Data visual – Open Dice http://opendice.net/ Sat, 19 Nov 2022 05:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=5.9.3 https://opendice.net/wp-content/uploads/2021/10/icon-6-120x120.png Data visual – Open Dice http://opendice.net/ 32 32 Vermont Visual Arts | Vermont Arts https://opendice.net/vermont-visual-arts-vermont-arts-2/ Sat, 19 Nov 2022 05:00:00 +0000 https://opendice.net/vermont-visual-arts-vermont-arts-2/ Diffusion of exhibitions Closed off ARTE at 159 North Main: “Ancora: Ray Brown”, until February 25, a more in-depth investigation of the late artist’s series of Italian paintings, including his “Villa” paintings, presented by SPA and co-curated by NNEMoCA, 159 N. Main St. Barre, 802-479-7069, www.studioplacearts.com Espresso Bueno: Marcia Hill & Cindy Griffith, until Dec. […]]]>

Diffusion of exhibitions

Closed off

Bellows falls

benington

Berlin

Brandon

brattleboro

gton

Glens Falls, NY

Greensboro

Hannover, NH

Jeffersonville

Johnson

Manchester

Swamp

Middlebury

Montpellier

Poultney

While reading

Rutland

Saint Johnsbury

Springfield

Stowe

Waterbury

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Brands continue to balance the growing demand for compelling online visual experiences with the need to do more with less – all at lightning speed, according to new research https://opendice.net/brands-continue-to-balance-the-growing-demand-for-compelling-online-visual-experiences-with-the-need-to-do-more-with-less-all-at-lightning-speed-according-to-new-research/ Tue, 15 Nov 2022 14:03:00 +0000 https://opendice.net/brands-continue-to-balance-the-growing-demand-for-compelling-online-visual-experiences-with-the-need-to-do-more-with-less-all-at-lightning-speed-according-to-new-research/ SANTA CLARA, Calif.–(BUSINESS WIRE)–Cloudinary, the Media Experience Cloud that powers the digital experiences of many of the world’s leading brands, today launched its fourth annual report on the state of visual media. As the visual economy comes of age, this year’s report examines how more than 375 leading brands across 13 verticals are leveraging visual […]]]>

SANTA CLARA, Calif.–(BUSINESS WIRE)–Cloudinary, the Media Experience Cloud that powers the digital experiences of many of the world’s leading brands, today launched its fourth annual report on the state of visual media. As the visual economy comes of age, this year’s report examines how more than 375 leading brands across 13 verticals are leveraging visual media to deliver engaging online experiences at every digital touchpoint. The report also reveals that companies need to optimize visual media to achieve a wide range of ever-changing business goals, including faster time to market, improved productivity and cost savings, and new priorities such as accessibility. and durability.

The report offers insight into how brands continue to respond to an increasingly competitive and challenging business environment by going beyond simple scalability goals, emphasizing the need to react quickly to new trends and conditions in the market. The 2022 report offers data, use cases, and guidance on how to meet these demands and react to new trends so that visual media is an enabler of growth, not a bottleneck.

Key takeaways from the 2022 State of Visual Media report include:

  • Scale and key management for new formats. Image consumption increased by 25% and video traffic continued to grow significantly across all industries, including retail, which saw video volume increase by 37%. From March to May 2022, lightweight WebP was the most popular image format, accounting for 59% of image requests but consuming only 35% of all bandwidth. In contrast, JPEG remained the most widely supported and still the biggest bandwidth consumer at 38%. However, it represented only 23% of all requests.
  • In e-commerce, epic scale has become the new normal. Beyond the huge increase in image traffic over the year, e-commerce brands saw massive growth around Black Friday. Large e-commerce brands saw image bandwidth increases of 186% over their average annual traffic, while small and medium brands saw spikes of up to 415%. For video, the trend reversed: video traffic remained fairly stable over the year for small brands, while the largest e-commerce brands saw their video volume increase during Black Friday. In one case, video traffic increased by more than 35%, from 20TB per week to 52TB during the peak holiday shopping season from Black Friday to Cyber ​​Monday.
  • Speed ​​and flexibility require a new composable computing architecture. Brands today must have technology stacks that support change, adaptability and flexibility. The travel industry, for example, has seen a more than 50% increase in video usage as part of the post-pandemic recovery. As a result, the study revealed a striking increase in the number of customers, including River Island, Paul Smith, Rapha and many others, adopting MACH (Microservices based, API-first, Cloud-native SaaS and Headless) architecture in during the same period last year. . According to a recent MACH Alliance survey, 47% of technology leaders aspire to move from monolithic deployments to cutting-edge composable software and 79% have strong intentions of adding more MACH components to their architecture in the future.
  • Social platforms like TikTok continue to rise, Facebook and Pinterest see declines. When posting images on social media, the data shows an ever-changing picture: a platform may peak one month and fall the next. Overall, Facebook remains the #1 social media channel (over 154 billion image requests), followed by Instagram (74 billion image requests) and Pinterest (51 billion requests). However, requests for Facebook and Pinterest are in continuous decline, while Instagram remains stable and TikTok increases. Comparing April 2021 to April 2022, Facebook requests decreased by 23% and Pinterest by 79% while Instagram gained 2% and TikTok jumped by 67%.
  • Optimization path for images and videos to achieve the Sustainable Development Goals. The report reveals growing interest from brands in using image optimization to reduce bandwidth, not only to improve their performance, but also to support their sustainability goals. Transferring 1 GB of data produces around 3 kg of CO2, so anything that reduces bandwidth reduces the CO2 footprint of a website or app. For example, a major international sportswear brand was able to reduce its bandwidth consumption by 40%, from 6.8 TB per day to 4.05 TB per day. On an annualized basis, the company saved 618TB of bandwidth, saving 1,890 tons of CO2, which is equivalent to taking more than 400 gas-powered cars off the road.

“Our detailed data illustrates how visual media, if managed well, serves brands as an enabler of growth, rather than a bottleneck,” said Tal Lev-Ami, co-founder and CTO, Cloudinary. “Brands today also need to be much more flexible and responsive than ever before. Whether it’s being able to launch new TikTok campaigns or enabling complex Direct-to-Avatar (D2A) commerce in the Metaverse. We also see more and more customers turning to open and composable platforms to meet their need for agility and a wide range of media use cases.”

You can access the full State of Visual Media 2022 report here.

* Methodology

Data analyzed for Cloudinary’s 2022 State of Visual Media Report includes engagement patterns from March 2021 through May 2022 and a representative sample of over 219 billion transactions per month, across more than 375 Cloudinary customers, covering 13 verticals including Education, Financial Services, Food & Beverage, Manufacturing & Automotive, Marketing & Advertising Technology, Media & Entertainment, Retail & eCommerce, Software & Technology, and Travel & Leisure.

About Cloudinary

Cloudinary’s mission is to empower businesses to deliver visual experiences that inspire and connect by unlocking the full potential of their media. With 60 billion assets under management and nearly 10,000 customers worldwide, Cloudinary is the industry standard for developers, creators and marketers looking to manage, transform and deliver images and video on line. As a result, leading brands like Atlassian, Bleacher Report, Bombas, Grubhub, Hinge, NBC, Mediavine, Minted, Peloton, and Petco see significant business value in using Cloudinary, including faster time to market. , higher user satisfaction, and increased engagement and conversions. . For more information, visit www.cloudinary.com.

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Vermont Visual Arts | Vermont Arts https://opendice.net/vermont-visual-arts-vermont-arts/ Sat, 12 Nov 2022 05:00:00 +0000 https://opendice.net/vermont-visual-arts-vermont-arts/ ARTE at 159 North Main: “Transformative Moves: Ray Brown”, until November 12, The Italian Painting Series, 159 N. Main St., Barre, 802-479-7069, www.studioplacearts.com Espresso Bueno: Marcia Hill & Cindy Griffith, Nov. 14-Dec. 28, art for sale for the holidays – vibrant pastels capturing the spirit, energy and inner intensity of the natural world, 248 N. […]]]>

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Make your viewing experience clearer and crisper https://opendice.net/make-your-viewing-experience-clearer-and-crisper/ Wed, 09 Nov 2022 12:03:07 +0000 https://opendice.net/make-your-viewing-experience-clearer-and-crisper/ Best OnePlus TV: If you’re also one of those looking to buy one television not just for fun, but to add a new interior element to your home decor. Then choosing a stylish design for smart TV can be quite difficult for you. Good! Don’t worry, we understand your concern, that’s why today we’ve compiled […]]]>

Best OnePlus TV: If you’re also one of those looking to buy one television not just for fun, but to add a new interior element to your home decor. Then choosing a stylish design for smart TV can be quite difficult for you. Good! Don’t worry, we understand your concern, that’s why today we’ve compiled some of the best OnePlus TVs that give you stylish TV designs. OnePlus TVs are lightweight, won’t add clutter to your living room, and feature a slim profile to match any aesthetic. With its innovative features such as a sliding soundbar and Gamma Color Magic chip, it gives you the most visually appealing TV experience.

Moreover, OnePlus smart TVs come in different sizes such as 32 inch, 43 inch, 50 inch, 55 inch and 65 inch to fill your sweet spots and make your family time more entertaining.

Read also : Best OnePlus TV in India: Ensure a smart viewing experience because change is better.

Best OnePlus TVs: Popular picks

Here we have picked out some of the best smart TVs from OnePlus TVs to give you the best buying options for your happy family time.

OnePlus 32″ Y Series HD Ready LED Android Smart TV – 25% off

Buy now

Immerse yourself in a new experience with OnePlus’ bezel-less design. It has a captivating image quality that will make you feel like you’re in every scene. Inherited from the Q1 series, now you can control your TV just by using your phone. From Type Sync to Quick App Switch, you can do it all through the OnePlus Connect app. OnePlus 32-inch TV Price: Rs 14,999.

OnePlus 55″ U Series 4K LED Android Smart TV – 28% off

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OnePlus TV gives you multi-connectivity features such as 3 HDMI ports for connecting set-top box, Blu-Ray players, game console and 2 USB ports for connecting hard drives and other USB devices. Along with other smart features, you’ll enjoy Android TV 10, hands-free voice control, Google Assistant, OnePlus connect 2.0, OxygenPlay 2.0, data saver plus, kids mode and of game mode. OnePlus 55-inch TV price: Rs 42,999.

OnePlus 65″ U Series 4K LED Android Smart TV – 11% off

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Enjoy immersive viewing with the OnePlus TV’s frameless screen that makes it sleek, stylish and stunning. With their Dolby and Dobly Audio vision, enjoy a full cinematic experience as the OnePlus TV delivers booming stereo, a well-balanced sound profile and an expansive sound field. OnePlus 65-inch LED TV Price: Rs 61,999.

Read more: 10 best bedroom TVs in 2022: Make your cozy time more entertaining.

OnePlus 43″ Y Series 4K Ultra HD Android Smart LED TV – 33% off

Buy now

The OnePlus frameless design smart TV comes with the support of Alexa and Google to operate smart and this smart TV has more outstanding features such as OnePlus connection ecosystem, Chromecast, miracast, DLNA and streaming mode. automatic low latency. Moreover, you will get supported apps like Netflix, Youtube, Prime Video, Hotstar, SonyLiv, Hungama, JioCinema, Zee5, Eros Now and Oxygen Play to enhance your home entertainment. OnePlus 43-inch TV Price: Rs 26,999.

OnePlus 50″ U Series 4K LED Android Smart TV – 26% off

Buy now

OnePlus smart TV has great features such as Android TV 10, hands-free voice control, Google assistant, OnePlus connect 2.0, OxygenPlay 2.0, data saver plus, kids mode and game mode. OnePlus TV offers booming stereo and a well-balanced sound profile for a cinematic sound experience. This TV can easily connect to set-top box, Blu-Ray players and game console with 3 HDMI ports, and hard drives and other USB devices can connect with 2 USB ports. OnePlus 50-inch LED TV Price: Rs 36,999.

Check out more OnePlus TVs here:

Disclaimer: Jagran journalists were not involved in the production of this article. The prices mentioned here are subject to change from Amazon.

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Visual Project Management Solutions Market Explores Massive Growth Ahead | Wrike, Monday.com, Project Manager https://opendice.net/visual-project-management-solutions-market-explores-massive-growth-ahead-wrike-monday-com-project-manager/ Sat, 05 Nov 2022 09:11:58 +0000 https://opendice.net/visual-project-management-solutions-market-explores-massive-growth-ahead-wrike-monday-com-project-manager/ New Jersey (USA) – The Visual Project Management Solution market research report provides all the insights related to the industry. It gives the outlook of the market by giving authentic data to its client which helps in making essential decisions. It provides an overview of the market, which includes its definition, applications and developments, and […]]]>

New Jersey (USA) – The Visual Project Management Solution market research report provides all the insights related to the industry. It gives the outlook of the market by giving authentic data to its client which helps in making essential decisions. It provides an overview of the market, which includes its definition, applications and developments, and manufacturing technology. This Visual Project Management Solution market research report tracks all the recent developments and innovations in the market. It gives the data regarding the hurdles while establishing the business and guides to overcome the upcoming challenges and hurdles.

Get the sample PDF copy (including full TOC, graphs and tables) of this report @:

https://a2zmarketresearch.com/sample-request

Some of the major companies influencing this market include:Wrike, Monday.com, ProjectManager, Zoho, Workamajig Platinum, Asana, Smartsheet, MeisterTask, Taskworld, Jira, Gantter, Ornavi

Market scenario:

Firstly, this Visual Project Management Solution research report introduces the market by providing an overview including definitions, applications, product launches, developments, challenges, and regions. The market is expected to show strong growth thanks to boosted consumption in various markets. An analysis of current market designs and other basic characteristics is provided in the Visual Project Management Solution report.

A comprehensive discussion of several market analysis strategies, such as SWOT analysis and five-point analysis, is provided in the market study. Additionally, the market study also contains an in-depth study on numerous growth strategies and plans to expand the business frontiers regionally and globally. It provides the readers with a detailed breakdown of all the development opportunities and market challenges associated with the Visual Project Management Solution market. The risk analysis provided by the Visual Project Management Solution market research helps market players reduce or eliminate risk.

Global Visual Project Management Solutions Market Segmentation:

Market Segmentation: By Type

Cloud-based
On the site

Market Segmentation: By Application

Big business
SME

Regional coverage:

The regional coverage of the market is mentioned in the report, mainly focusing on the regions:

  • North America
  • South America
  • Asia and Pacific Region
  • Middle East and Africa
  • Europe

Get up to 30% off the first purchase of this report @:

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The global Visual Project Management Solutions market study aims to provide a comprehensive understanding of current and past market situation, along with future forecast and evidence-based market estimation provided by marketers . This dataset contains market size and volume of the Global Visual Project Management Solutions Market regarding current market dynamics and predicted company size during the forecast. The essential data regarding cost structure, supply chain, and revenue are presented collectively and with granular classification categorizing the global Visual Project Management Solutions market at trade level, industry level and regional level describing the business growth of global visual project management. Market for solutions in the future.

Global Objectives of the market research on the visual project management solution:

  • Provide an in-depth understanding of the visual project management solutions industry.
  • To highlight the critical data of each segment at an extended level.
  • Determine the key success factors in different segments of the visual project management solutions industry.
  • To highlight trends in specific sectors.
  • Provide an overview of key segments.
  • To perform economic analysis, construct quantitative and financial models of the global Visual Project Management Solutions industry and individual segments.
  • To project the future performance of the worldwide Visual Project Management Solutions industry and identify imperatives.
  • Identify the risks of investing in particular segments and suggest appropriate strategies to mitigate the risks.
  • Investigate what has held the visual project management solutions industry back during the pandemic and the forces driving the global visual project management solutions market higher post-pandemic.

Contents

Global Visual Project Management Solutions Market Research Report 2022-2029

Chapter 1 Visual Project Management Solutions Market Overview

Chapter 2 Global Economic Impact on Industry

Chapter 3 Global Market Competition by Manufacturers

Chapter 4 Global Production, Revenue (Value) by Region

Chapter 5 Global Supply (Production), Consumption, Export, Import by Regions

Chapter 6 Global Production, Revenue (Value), Price Trend by Type

Chapter 7 Global Market Analysis by Application

Chapter 8 Manufacturing Cost Analysis

Chapter 9 Industrial Chain, Sourcing Strategy and Downstream Buyers

Chapter 10 Marketing Strategy Analysis, Distributors/Traders

Chapter 11 Market Effect Factors Analysis

Chapter 12 Global Visual Project Management Solution Market Forecast

Buy an exclusive report @:

https://www.a2zmarketresearch.com/checkout

Contact us:

Roger Smith

1887 WHITNEY MESA DR HENDERSON, NV 89014

sales@a2zmarketresearch.com

+1 775 237 4157

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Most detailed atlas of octopus visual system ever made shows differences and similarities to humans https://opendice.net/most-detailed-atlas-of-octopus-visual-system-ever-made-shows-differences-and-similarities-to-humans/ Wed, 02 Nov 2022 21:26:51 +0000 https://opendice.net/most-detailed-atlas-of-octopus-visual-system-ever-made-shows-differences-and-similarities-to-humans/ The researchers painstakingly mapped the octopus’ optic lobe cell by cell to understand how these animals see – and the data shows remarkable similarities, as well as important differences. Image via Pixabay. Octopuses… really don’t look much like humans. But the optic lobes in their brains look a bit like ours, according to new research. […]]]>

The researchers painstakingly mapped the octopus’ optic lobe cell by cell to understand how these animals see – and the data shows remarkable similarities, as well as important differences.

Image via Pixabay.

Octopuses… really don’t look much like humans. But the optic lobes in their brains look a bit like ours, according to new research. Such findings show how similar very different animals or parts of their bodies can become through the seemingly coincident process of convergent evolution.

To give some perspective on the similarities described by the team, humans and octopuses come from lineages that diverged more than 500 million years ago. That being said, our sight and that of octopuses have evolved to solve the same problem in incredibly similar ways, despite our different environments, general body structure, and lifestyle.

Big brains in the big ocean

Soft-bodied cephalopods such as squid, octopus, and cuttlefish have the largest brains of any invertebrate. About two-thirds of its volume is reserved for the treatment of vision. This gives them excellent eyesight even in low light conditions. Octopuses even use their skin to feed data to their optic lobes. This tissue contains the same pigmented cells as the retinas. They perceive the animal’s environment and help it blend in better with its active camouflage.

This paper is the first to map the octopus’ visual system in detail. This was an analysis of over 26,000 cells. Data for the study was collected during the dissection of two juvenile two-spotted California octopuses (bimaculoid octopus). Although the brains of these animals are healthy and fully functional, they also appear to have developed further. Almost a third of the neurons in the octopus’ visual lobes appeared immature, the team said.

Yet the team identified four main populations of cells in these brains, each producing and releasing a chemical signal: these included dopamine, acetylcholine, glutamine, or a mixture of dopamine and glutamine. These compounds also play a role in the vertebrate brain. However, a smaller population of cells that formed clusters in cephalopod brains also secreted unique chemicals.

For example, a group of cells forming a ring around the optic lobe was found to produce octopamine, which is similar in structure to the hormone norepinephrine in our bodies. The exact function of octopamine is still unknown. That being said, it has been noted to be active in the brains of fruit flies as they fly, and in the bodies of other invertebrates, it plays a key role in preparing their bodies and system nervous during periods of activity.

Beyond this, the team identified several genetic transcription factors and signaling compounds that have so far only been observed in octopuses. The team believe these elements have a role to play in cephalopod brain development; However, more research will be needed before we can say for sure what function they serve.

“The atlas we present here provides a roadmap for such studies, and more generally a way forward to break the functional, developmental, and evolutionary logic of the cephalopod visual system,” the authors write.

The octopus’ visual system is structured in layers, the team explains. While ours are also layered, the octopus’ visual system uses a fundamentally different architecture and a diversity of different cell types. Although the neurons here are arranged in different ways and use different neurotransmitters than ours, it is likely that they perform the same kinds of calculations as neurons in the human visual system.

The article “Cell types and molecular architecture of the visual system of Octopus bimaculoides” was published in the journal Current biology.

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Review: Invisible Demons – “Surreal visual images that are beautiful, epic and disturbing all at once” https://opendice.net/review-invisible-demons-surreal-visual-images-that-are-beautiful-epic-and-disturbing-all-at-once/ Sun, 30 Oct 2022 09:16:24 +0000 https://opendice.net/review-invisible-demons-surreal-visual-images-that-are-beautiful-epic-and-disturbing-all-at-once/ Filmmaker Rahul Jain explores the consequences of India’s economic growth on the people of Delhi and the environmental impact. Observing the trials and tribulations of everyday life in Delhi as well as speaking to the residents of the city of 32 million, the filmmaker Rahul Jain and its team of filmmakers made up of Saumyananda […]]]>

Filmmaker Rahul Jain explores the consequences of India’s economic growth on the people of Delhi and the environmental impact.

Observing the trials and tribulations of everyday life in Delhi as well as speaking to the residents of the city of 32 million, the filmmaker Rahul Jain and its team of filmmakers made up of Saumyananda “Somo” Sahi and Tuomo Hutri. There was no storyline or particular individuals followed to provide a story arc for the storytelling. Context is provided by interspersed segments of voice-overs and NDTV newscasts, as well as the presentation of the presenter on assignment. The scope is wide as the documentary highlights the vast ramifications of the air and water used by people in relation to the health of the environment and people.

What has the most dramatic impact are not the interviews with the people of Delhi but the surreal visual images that are at once beautiful, epic and disturbing. Editor Yael Bitton does a great job of letting the shots linger and starts things off with an individual spreading a cloud of pesticide that slowly engulfs a street he’s walking and threatens to outrun the locked camera. Then there is the case of the monkey peeling a banana almost right next to the narrator as he overlooks Delhi from his apartment balcony. It’s an interesting juxtaposition of nature and humans trying to share the same space with each other. An aerial view shows a bustling market of slums, ant-sized vendors and shoppers, and toy-sized vehicles. And let’s not forget the apartment building that is decorated with portable air conditioners or the block of ice that melts in the streets.

Less effective are the time-lapse, voice-over, and newscast segments that take you away from the surrealism that powerfully promotes the call to action, though no suggestions are made as to how things can actually be fixed. . Placing blame is fine, but what is the economically viable alternative? Finding those alternatives where people can still make a living while being environmentally friendly is where the real movement for change can happen. A nice touch is with the sound design and music which enhance rather than dominate the images. The leisurely pace works because it allows time for the viewer to absorb what is seen. There is no doubt that Rahul Jain has a great future as a visual storyteller as he understands the importance and power of framing, composition and lighting.

Trevor Hogg is a freelance video editor and writer currently residing in Canada. he can be found on LinkedIn.

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Cybord Showcases First Online Visual Electronic Component Analysis Platform at “Electronica 2022” in Munich https://opendice.net/cybord-showcases-first-online-visual-electronic-component-analysis-platform-at-electronica-2022-in-munich/ Fri, 28 Oct 2022 04:44:31 +0000 https://opendice.net/cybord-showcases-first-online-visual-electronic-component-analysis-platform-at-electronica-2022-in-munich/ Cybord is disrupting the industry with its unique solution for comprehensive analysis of electronic components at the early stages of production. Cybord uses top and bottom component inspection, visual AI and big data. Cybord, a leader in online visual AI electronic component analysis software that implements AI and big data technology, is on a mission […]]]>

Cybord is disrupting the industry with its unique solution for comprehensive analysis of electronic components at the early stages of production. Cybord uses top and bottom component inspection, visual AI and big data.

Cybord, a leader in online visual AI electronic component analysis software that implements AI and big data technology, is on a mission to eliminate counterfeit and defective components
production lines, to significantly increase the reliability, authenticity and quality of products, and provide equipment manufacturers with the highest level of traceability.

Cybord will showcase the visual AI platform and perform live demonstrations at the world’s leading electronics industry trade show “Electronica 2022”, taking place November 15-18, 2022 in Munich. Visitors to the stand will be able to see how electronic components are inspected and analyzed within milliseconds. The Cybord Visual-AI platform aggregates and analyzes images and data from 100% of components at different stages of production:
● Cybord Kingfisher – Allows you to securely purchase electronic components from any source
● Cybord Aquila – Ensures high yields of a product from its earliest stages of assembly
● Cybord Osprey – Verifies visual traceability of marked components assembled on each PCBA

The Cybord platform combines and analyzes existing unused visual data and production metadata, ensuring authenticity, product quality and traceability.

As part of the live demo at Electronica 2022, Cybord will showcase the Cybord Kingfisher solution that inspects incoming spools.

Come visit us and meet the Cybord team! Booth C3.368

We will be happy to arrange individual appointments with you in advance.

About Cybord
Cybord’s innovative online AI component analysis software solution for electronics manufacturing.
The Cybord platform allows 100% analysis of all components placed on PCBA. The solution
implements AI and Big Data technology to ensure productivity, quality, counterfeiting and a unique visual
evidence-based traceability, visit https://www.cybord.ai or follow us on LinkedIn and Twitter.

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New machine learning score may better predict FFR-defined ischemia than visual stenosis https://opendice.net/new-machine-learning-score-may-better-predict-ffr-defined-ischemia-than-visual-stenosis/ Tue, 25 Oct 2022 18:15:00 +0000 https://opendice.net/new-machine-learning-score-may-better-predict-ffr-defined-ischemia-than-visual-stenosis/ The tool predicted ischemia as well as FFR-CT, with information similar to invasive FFR and impaired blood flow on PET. A score derived from plaque characteristics on coronary angiography (CCTA) using machine learning can predict ischemia as well as CT-derived estimates of fractional flow reserve (FFR-CT), with the advantage of being noninvasive and calculated in […]]]>

The tool predicted ischemia as well as FFR-CT, with information similar to invasive FFR and impaired blood flow on PET.

A score derived from plaque characteristics on coronary angiography (CCTA) using machine learning can predict ischemia as well as CT-derived estimates of fractional flow reserve (FFR-CT), with the advantage of being noninvasive and calculated in real time, investigators say, without the need for an adenosine infusion.

According to the researchers, the score outperforms the standard CCTA assessment in predicting future risk while matching information about ischemia and altered myocardial blood flow (MBF) provided by invasive FFR and positron emission tomography (PET) scans. , respectively. As such, they say, the score could be integrated into clinical workflow to streamline the identification of high-risk patients before they undergo invasive coronary angiography.

“Our results are very positive,” lead author Damini Dey, PhD (Cedars-Sinai Medical Center, Los Angeles, CA), told TCTMD. “This externally validated score could very well predict the functional significance of lesions.”

The tool, as described in an article published this month in Circulation: Cardiovascular imaging, is currently used only for research purposes at their institution. But after regulatory approval, Dey said, “it could be applied on-site immediately after plaque analysis.”

This offers advantages over the currently available FFR-CT, which involves sending data off-site for analysis involving turnaround times that limit its clinical use.

She sees their score eventually being used as “a clinical decision support tool” by referring doctors before invasive coronary angiography to determine whether the patient has a high probability of impaired FFR or a high risk of ischemia. “At the same time, it may also be a postponement of downstream testing in people at low risk of ischemia,” she said. “It would really help the efficiency and accuracy of referral for invasive coronary angiography.”

External validation

To “train” the score, lead author Andrew Lin, MBBS, PhD (Cedars-Sinai Medical Center, Los Angeles, CA), Dey and colleagues used data from 254 patients who, in the trial NXT, underwent invasive FFR in 484 vessels. The machine learning score was then tested in 601 vessels from 208 suspected CAD patients who had undergone CCTA, H2O Invasive PET and FFR imaging in the PACIFIC Study. Five patients and 23 vessels were excluded from the population tested due to non-evaluable CCTA analyses.

In the test cohort, 23.9% of vessels had ischemia defined by FFR and 33.6% had impaired hyperemic MBF on PET. Total plaque volumes and loads, as well as individual plaque components, were higher in vessels with FFR-defined ischemia compared to vessels without (all P < 0.001). The machine learning score was better able to predict this outcome (AUC 0.92) than a grade of visual stenosis (AUC 0.84; P < 0.001) and on par with FFR CT (AUC 0.93; P = 0.34). Moreover, it had an accuracy, sensitivity and specificity of 84%, 87% and 82%, respectively, for the discrimination of ischemia. Additionally, adding the score to the grade of visual stenosis resulted in a substantial net improvement in reclassification for ischemia defined by FFR (1.16; P < 0.001), mainly due to reclassification of non-events (82%).

The two most important characteristics for predicting FFR-defined ischemia with the machine learning score were quantitative stenosis as a percentage of diameter and low-density non-calcified plaque volume. Characteristics of the calcified plaque contributed the least to the prediction of ischemia.

Predicting impaired MBF only, the score performed significantly better than visual stenosis grade (AUC 0.80 vs 0.74; P = 0.02) and was similar to FFR CT (AUC 0.77; P = 0.16). The accuracy, sensitivity, and specificity of the score for predicting impaired MBF were 77%, 73%, and 80%, respectively.

“Functional tools that complement CCTA without requiring additional image acquisition or drug administration have been developed to improve the detection of lesion-specific ischemia,” the authors write, citing computational fluid dynamics as a tool to be applied with currently available software. “However, this process is time-consuming and computationally expensive, requiring off-site processing by a main lab.” On-site FFR CT, on the other hand, is “highly dependent on physician interaction,” they note.

“Unlike all of these techniques, our proposed machine learning score relies solely on anatomical information from the CCTA without the addition of physiological parameters, uses semi-automated plaque analysis, which is highly reproducible by trained clinicians or technicians. , and can be computed in < 30 minutes on a standard workstation,” the authors point out.

Over time, new plate features and CCTA measurements can be added to the algorithm to improve the score and its predictive ability, Lin and colleagues add. “In this era of personalized medicine, there is a growing demand for more accurate, patient-tailored risk prediction,” they conclude. A score like this “allows the interrogation of individualized predictive models by clinicians or researchers unfamiliar with machine learning techniques.”

Assuming the tool withstands further validation studies and eventually gets the required regulatory approval, Dey said she can see the score used on all patients who undergo CCTA. “We also tested it in patients with first degree coronary stenosis, so 1-25%, and the risk of ischemia is generally low,” she said.

Dey said she felt confident in the score given the external validation they had done, but acknowledged that “any additional validation in other cohorts is always welcome before entering clinical practice” .

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Edward Ester: Category and choice cues in the human visual cortex | Undergraduate Research https://opendice.net/edward-ester-category-and-choice-cues-in-the-human-visual-cortex-undergraduate-research/ Fri, 21 Oct 2022 19:30:46 +0000 https://opendice.net/edward-ester-category-and-choice-cues-in-the-human-visual-cortex-undergraduate-research/ Title Category and choice cues in the human visual cortex department Psychology Biosketch I received my PhD from the University of Oregon in 2011 and joined the faculty at UNR in 2020. I believe that undergraduate research experience is an essential part of a university education full, and my lab typically hosts 2-3 undergraduate volunteers […]]]>

Title

Category and choice cues in the human visual cortex

department

Psychology

Biosketch

I received my PhD from the University of Oregon in 2011 and joined the faculty at UNR in 2020. I believe that undergraduate research experience is an essential part of a university education full, and my lab typically hosts 2-3 undergraduate volunteers each semester. Many of these students have won awards and recognition for their work and have completed internationally recognized graduate, medical and professional programs. I want the students working in my lab to play an important role in all parts of the scientific process, from project conceptualization, to data collection and analysis, to dissemination of results at scientific conferences, and to through scientific articles. Many current and former undergraduate researchers in the lab have presented their findings at national conferences and have co-authored peer-reviewed publications.

Project overview

Categorization refers to the process of assigning meaning to stimuli. Categorization allows us to learn new skills, to distinguish physically similar but conceptually different objects, and to apply our existing knowledge of the world to new objects we have never seen before. Our lab studies how the brain assigns category labels to visual stimuli, and we have developed a theory that predicts that these labels are generated and represented by motor systems that control how we interact with objects in the environment. To test this hypothesis, we will use noninvasive measurements of human brain activity – including electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) – to measure brain responses in brain areas associated with treatment. sensory and motor planning as participants learn arbitrary new categories. Students working on this project will have the opportunity to gain hands-on experience with EEG and fMRI and analyze their own data. This project will involve a lot of computer programming, and while no prior experience is required, a willingness to try new things and help solve difficult technical problems is a must! Students will also be required to present preliminary data at a university-sponsored undergraduate research symposium and may also have the opportunity to attend and/or present results at a scientific conference.

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