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Cordio and Rambam Hospital will trial AI that detects coronavirus cases from speech samples

April 1, 2020 Big Data

Cordio Medical today announced that it will begin a clinical trial at Haifa’s Rambam Hospital on an app-based AI system that analyzes speech to diagnose and remotely monitor COVID-19 patients. Assuming it passes scientific muster, the tech could be used to help treat self-quarantined patients who are likely to have COVID-19 but haven’t yet been hospitalized.

Cordio’s COVID-19 solution is built on its existing HearO product, which was developed to remotely monitor patients suffering from heart failure by collecting recordings via mobile devices. Engineers at Cordio adapted it to identify the bilateral pneumonia with edema in the lungs that is characteristic of COVID-19. And the company claims it can detect changes in lung fluids and the onset of inflammation even before patients do.

Cordio says HearO is a “patient-dependent” system, in that the company builds a recording baseline for COVID-19 patients when they’re in stable condition and later measures changes from the baseline using AI algorithms — while anonymizing and privatizing the data. It hopes to eventually detect COVID-19 deterioration within 10-48 hours.

HearO, which hasn’t yet obtained FDA approval, can sense fluid accumulation with a claimed accuracy of over 80%. It’s already in use at 10 medical institutions, including Rambam, Beilinson, Barzilai, Hagalil, and Clalit Health Services.

AI-powered voice diagnostics

Given the triaging that voice diagnostic technologies might be able to perform for health care institutions, the previously niche field is gaining attention.

Researchers from Carnegie Mellon and startup Voca.ai released an app they claim can determine whether someone has COVID-19 from a voice recording, and Vocalis Health says it’s working with Israel’s Health Ministry and Directorate for Defense Research and Development to collect “vocal biomarkers” from COVID-19 patients and healthy people to develop a screening technology.

These aren’t without caveats — Benjamin Striner, a graduate student who contributed to the Carnegie Mellon project, cautioned that the app’s accuracy can’t be tested because of a lack of verified data. But preliminary research suggests that AI-powered voice analysis can fairly accurately diagnose other conditions, including post-traumatic stress disorder and high blood pressure. To this end, a team at Mayo Clinic is exploring how AI might be used to detect vocal changes that could be predictive of an outcome, such as stroke, heart attack, concussion, and even Parkinson’s disease.

On the private sector side, Canary Speech has developed and completed clinical trials for vocal diagnostic models targeting Alzheimer’s, Parkinson’s, and depression. Another startup — Corti — sells a product that ingests and analyzes emergency call recordings to help dispatchers identify patients experiencing cardiac arrest. WinterLight Labs, whose platform measures hundreds of vocal biomarkers to determine cognitive impairment and mental health issues, is studying potential clinical applications for Alzheimer’s, dementia, aphasia, and depression.

Cordio Medical was founded in 2013 by Chaim Lotan, along with support from Peregrine Ventures, an Isreal-based venture capital fund for early-stage investments.

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Big Data – VentureBeat

COVID-19 (Coronavirus) Insights from the TIBCO Data Science Team

March 26, 2020 TIBCO Spotfire

Reading Time: 2 minutes

Tracking regional outbreaks and estimating the spread of COVID-19

We are all glued to the news and various online updates as we seek to better understand and appropriately respond to the COVID-19 pandemic. These unprecedented events have affected nearly every corner of the globe, causing us all to seek accurate information about what is happening and what’s still to come.

But what information is most helpful? Because this new disease has a long incubation period, a broad spectrum of symptoms ranging from mild to severe, and so many factors that can affect infection rates, there is much to consider. And looking at the raw data alone can create a sense of panic.

TIBCO’s Data Science team took on this challenge, applying their expertise along with visual and predictive analytics tools to crunch the numbers. Their goal was to understand the outbreaks in real time at the community level and to assess the effects of the non-pharmaceutical, social interventions. We hope their insights add value for those involved in the response to COVID-19 and provide greater awareness of the facts for the community overall.

Here are a few highlights of what they developed:

1. Daily updates and analyses of cases, fatality, and recovery trajectories for individual countries.

2. Spatial analyses and timelapse views showing outbreak progressions across regions.

3. Model updates estimating the reproduction number over time (Rt) for countries and states, and relating these models to non-pharmaceutical intervention methods.

To learn more about their methods and findings, visit our TIBCO Community site to read COVID-19: A Visual Data Science Analysis and Review, by TIBCO Chief Data Analytics Officer Michael O’Connell and the TIBCO Data Science team. Please forward this link to anyone who might be interested and bookmark it to stay abreast of the latest findings as the team continues their investigation.

We hope you stay safe and healthy as we move toward recovery.

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The TIBCO Blog

IBM’s AI generates new footage from video stills

March 25, 2020 Big Data

A paper coauthored by researchers at IBM describes an AI system — Navsynth — that generates videos seen during training as well as unseen videos. While this in and of itself isn’t novel — it’s an acute area of interest for Alphabet’s DeepMind and others — the researchers say the approach produces superior quality videos compared with existing methods. If the claim holds water, their system could be used to synthesize videos on which other AI systems train, supplementing real-world data sets that are incomplete or marred by corrupted samples.

As the researchers explain, the bulk of work in the video synthesis domain leverages GANs, or two-part neural networks consisting of generators that produce samples and discriminators that attempt to distinguish between the generated samples and real-world samples. They’re highly capable but suffer from a phenomenon called mode collapse, where the generator generates a limited diversity of samples (or even the same sample) regardless of the input.

By contrast, IBM’s system consists of a variable representing video content features, a frame-specific transient variable (more on that later), a generator, and a recurrent machine learning model. It breaks videos down into a static constituent that captures the constant portion of the video common for all frames and a transient constituent that represents the temporal dynamics (i.e., periodic regularity driven by time-based events) between all the frames in the video. Effectively, the system jointly learns the static and transient constituents, which it uses to generate videos at inference time.

IBM’s AI generates new footage from video stills

Above: Videos trained by IBM’s Navsynth system.

To capture equally from the static portion of the video, the researchers’ system randomly chooses a frame and compares its corresponding generated frame during training. This ensures that the generated frame remains close to the ground truth frame.

In experiments, the research team trained, validated, and tested the system on three publicly available data sets: Chair-CAD, which consists of 1,393 3D models of chairs (out of which 820 were chosen with the first 16 frames); Weizmann Human Action, which provides 10 different actions performed by 9 people, amounting to 90 videos; and the Golf scene data set, which contains 20,268 golf videos (out of which 500 videos were chosen).

The researchers say that, compared with the videos generated by several baseline models, their system produced “visually more appealing” videos that “maintained consistency” with sharper frames. Moreover, it reportedly demonstrated a knack for frame interpolation, or a form of video processing in which the intermediate frames are generated between the existing on in an attempt to make animation more fluid.

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Big Data – VentureBeat

How To Successfully Enable “Work From Home” In Retail And Consumer Businesses

March 25, 2020 BI News and Info

As we all continue to adapt to the COVID-19 pandemic, daily life has changed dramatically for many workers in retail and consumer-facing businesses. Brands everywhere are having to make difficult decisions on how they will support compliance with local regulations and closures, continue to serve the business, and strategize on how to emerge stronger after this is over.

For many, this means that large populations of employees – including those who work in headquarters and store support centers, store associates, and distribution workers – are faced with new types of working, including working from home.

Adapting to the pandemic

The technical challenges in quickly enabling large populations to work from home can be arduous, as can the accompanying cultural and people challenges – but both can be overcome.

At SAP, while we have long had a productive virtual component to our own operations (including very flexible remote and work from home components), we have also had to adapt to this new way of working and make changes in response to new variables across local, state, and federal governments.

Here are a few suggestions to help improve your own journey based on our own experiences and our work with many of the most valuable and innovative brands in the world.

People and culture

If you can effectively reinforce your culture while supporting these changes, you will emerge stronger than before.

Listen and be empathetic. Your teams will react differently based on their own situations. It is key for each individual manager to have open discussions with their teams – both in group settings and in 1:1’s. No topic should be off-limits.

Empower your leaders. Give your managers enough authority to approve equipment that is needed to boost productivity. Determine loosely what your policy will be – and then let the managers put it in action. Better yet – push rational decision making down to the individual.

Recognize both formal and informal networks. As your leaders communicate along the “official” lines, recognize that there is tremendous power in having this same message reinforced by “informal” networks as well. People often seek reassurance from leaders outside their reporting line or others they respect in the company. Each one of these discussions can advance or hamper the effectiveness of your overall communication, so make sure that leadership is calmly reinforcing the same message.

Reinforce your culture – virtually. Most who choose to work in retail are friendly people who are focused and thrive on daily interactions to power their day. Find ways to facilitate similar interactions virtually. Some nimble retailers (large and small) are providing “video selling” capabilities to allow their people to continue to interact with their customers, even virtually. Celebrate your people and highlight examples of success or incredible service. Make it fun and do a “home fashion show” where you award the best dressed/most creative/best office space virtually.

Allow flexibility in timing, productivity, and pace. Recognize that broad closures mean that many are scrambling to care for their children, elders, and other loved ones. Enhance your sick leave policies – even if just temporarily. Allow flex-time arrangements to enable workers to get their work done on alternate schedules. You hired each person for their professionalism, so trust them to adapt to their own situation and stay productive.

Customer relationships

Make sure your customers know how you are managing through this and what you are doing for them.

Consider offering “video personal shopping.” If your store is closed, make phone appointments available so your talented people can provide the next best thing to “being there.”

Provide in-person experiences to select customers. Use this to reinforce relationships with your best customers – whether this is virtual, in their own home, or in-store during special hours (or pop-ups). As long as safety precautions are met, this can go a long way in maintaining your bond with customers.

Accelerate your digital experience. Overcommunicate on all aspects – store closures, hours, special programs, promotional offers, and overall customer experience – so that customers don’t forget your brand and also continue to experience the brand the same way they always knew and loved.

Individual employees

Recognize that this is new ground for your employees also. Encourage your individual employees who are working remotely to:

Follow a daily routine. For those who are energized by exercise, given broad gym closures, encourage home workouts or other activities they can do to stay focused.

Understand the impact of sleep and the value of a calm mind. Science has shown that humans are suboptimal if they get less than 8 hours of sleep. Invest in remote mindfulness training to help each person understand their own stress triggers – and how to control their response.

If possible, find a consistent place to work. While not everyone has a home office, using the same space daily sends important signals to the brain along the lines of “this is where I do work.”

Plan their day – and then follow the plan. Offices, stores, or distribution centers inherently have structure. Our own teams tell us that they are more productive when they have a structured day while working from home. This doesn’t mean, of course, that everyone working remotely has the same daily plan. Within the confines of “flexibility” above, give each person the ability to follow their own structure.

Dress as if they were going to the office or attending an in-person meeting. This is one of the most important points we have found – dress for success. All of us that are privileged to work in fashion and retail know the power of self-confidence that can come from feeling good about clothing. Wearing pajamas, while comfortable, will not provide the best self-worth and productivity.

Technical infrastructure

Transitioning from remote stores, distribution centers, or headquarters environments to purely virtual can be challenging from a support and bandwidth perspective. As Mike Golz, CIO Americas at SAP, says: “We need to be prepared for an extended period of working virtually and will most likely keep many of the new processes, best practices, and experiences in place when we emerge from the current situation.”

Evaluate your infrastructure and secure additional capacity if needed. Try to model what is needed now, in the short term, and in the long term – and ensure the availability of proper technologies and capacity.

Choose remote solutions and communicate regularly. Allow employees to use one or several pre-approved technologies for collaboration. We have found that providing a few choices helps us better serve our people and get valuable insight into what features and experiences provide the most impactful help to our teams.

Identify system redundancy and contingency plans. Even after planning and securing capacity, there is always a possibility that a remote solution could be bandwidth-constrained on the provider side. Make sure your teams know what to do if certain systems are down or infrastructure is overloaded.

There is no substitute for seeing your counterparts. Research shows that the vast majority of a message is lost if communication is purely verbal. Provide or allow employees to purchase higher-quality webcams with front-lighting and train your team on best practices for video calls (positioning, background, lighting, body language).

Challenge your teams to learn new systems quickly. Make it competitive – and provide awards and recognition as a result. Use this as a way to catch up on required training.

Your customers and your employees will remember the way your brand responds to this challenge. Many successful and well-known sports coaches have been known to say, “every day, you are either getting better, or getting worse.” Make sure you are headed in the right direction.

Most importantly, make this experience your own and do it in a way that is consistent with how you operate your company. If you do, you will not only manage through these times – but come out ahead, stronger together, and better prepared for the future.

Learn more about “COVID-19: A Wake-Up Call For The Global Village.”

This article originally appeared on The Robin Report.

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Digitalist Magazine

Creating and Sending an Email from Dynamics 365 using Power Automate

March 25, 2020 Microsoft Dynamics CRM

Earlier, we looked at building out a dynamics recipient list for a new Email and how you can use that in the Outlook connector vs the challenges with doing the same thing in the Common Data Service (Current Environment) connector. You can see that post here.

If we know the entity type and number of recipients at the time of building the Flow, we can use the bound actions to actually send the email using Power Automate. This will only be possible in the Common Data Service (Current Environment) connector. If you use the standard Common Data Service connector, you will only be able to create an Email Message in Draft state.

Choose whichever trigger is necessary to create and send the email. In this case, I am simply using a Recurrence trigger for testing.

2555.pastedimage1585054531559v1 Creating and Sending an Email from Dynamics 365 using Power Automate

Below, I return the top 5 Contacts that have an email address for demonstration purposes. This is using the Common Data Service (Current Environment) connector.

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We need to loop through each Contact returned, using the Apply to each action

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When building the Email Message, the format is /entitylogicalname(recordid). Below, I populate the /contacts() and input the Contact GUID from the list returned from above

8233.pastedimage1585054531583v4 Creating and Sending an Email from Dynamics 365 using Power Automate

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Once the recipient is populated, I click on Show Advanced Options. You will need to, at minimum, specify the following fields.

Description
Direction (Yes=outgoing, No=incoming)

4478.pastedimage1585054613563v6 Creating and Sending an Email from Dynamics 365 using Power Automate

One thing you will notice with the Description field (body), is that is currently does not support Rich Text formatting. There is a product suggestion here, that I would recommend voting on: Allow Rich Text Editor for email message entity

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Status Reason- Select Draft
Subject

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Once you have completed populating the data here, you need to actually send the Email, as it currently sits in Draft state.

Select Perform a bound action

8508.pastedimage1585054628602v10 Creating and Sending an Email from Dynamics 365 using Power Automate

When you specify the entity type, it will display a list of actions that are bound to the entity type. In this case, we select SendEmail

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Next, specify the unique ID of the Email Message created in the prior step

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Finally, specify the IssueSend as Yes

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Click Test

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Select I’ll perform the trigger action, Test and Run Flow

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Once complete, you will see the emails as Sent in Dynamics:

8512.pastedimage1585054777781v17 Creating and Sending an Email from Dynamics 365 using Power Automate

Thanks for reading!

Aaron Richards

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Dynamics 365 Customer Engagement in the Field

Working from home

March 19, 2020 Humor

Posted by Krisgo

Working from home

Thanks Denise

About Krisgo

I’m a mom, that has worn many different hats in this life; from scout leader, camp craft teacher, parents group president, colorguard coach, member of the community band, stay-at-home-mom to full time worker, I’ve done it all– almost! I still love learning new things, especially creating and cooking. Most of all I love to laugh! Thanks for visiting – come back soon

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Deep Fried Bits

enCloud9’s Best Tips for Surviving Working From Home

March 17, 2020 CRM News and Info

Working from home may become more common as the COVID-19 virus continues to spread, but at enCloud9, we have been working from home since our founding in 2008. In fact, you might say – we are experts at it. Because we are experts at working from home, we would like to offer 10 of our best tips to help you keep your productivity (and spirits) high.

enCloud9’s tips for working from home

1. Have a desk/specific area designated for your workspace. If at all possible, this workspace should be separate from your living space. This might include:

- A good work chair. Check local resources for a good used one. (Some prefer sitting on an exercise ball or having a standing desk). Most of us use Herman Miller Aeron chairs – and you can find them on Facebook Marketplace or Craigslist for around $ 300. Trust us your back will thank you!
- A desk. (Again, there are all kinds of great deals for used desks online). Get one large enough for you to spread out a bit

2. Have all materials needed for you to do your job. Some of the things might need are a good headset, a sufficient computer (possibly a second monitor), pens, pencils, highlighters, paper, Post-its, or index cards.

3. Keep a regular routine. This includes

- Having a set number of hours you work. Cut off work at the end of the day. When you are done, you are done (although particular instances might change this).
- Getting up at the same time you always do. Do the same things you always do in preparation for work (ie, exercise, shower, get dressed, drink coffee).
- Having a regular time set for lunch. Either meet some friends for lunch if possible or just take some time off to read, sit outside, etc… Do something relaxing that you enjoy during this time.

4. Take frequent short breaks. It is a scientific fact that “regular, short breaks can help people to focus, increase their productivity, and reduce their stress.” We know this is true of children, but it also applies to adults. These breaks might include activities such as:

- - taking a short walk and getting some fresh air (fresh air is important for the brain to function).
  - throwing in a load of laundry
  - emptying the dishwasher
  - playing with your kids or pets. Take them out to the park or for a short walk.

Use the Pomidoro Technique to get more done. This is a productivity technique that uses a timer to break down work into focused intervals, referred to as Pomidoros. The word Pomidoro comes from the Italian word for tomato, so you’ll also hear this referred to as the tomato technique. There are many apps and websites devoted to this technique. Here is one of our favorites.

5. Drink water and eat healthy foods. Not only will this help you feel better and keep your spirits up, but it will be easier for your brain to focus. Make sure you are getting fresh air and exercise as well. There has been extensive brain research proving the benefits.

6. Think about what time you are most productive. Do your most challenging work during your peak productivity time. I work best at night so home based work suits me well.

7. Also consider what type of work environment lets you focus the most. For some, this may be total quiet. For others, it might be with light music or TV going in the background.

8. Make checklists or have a place to write down the tasks you need to complete.

9. Keep in regular contact with your co-workers. Here at enCloud9, we use Microsoft Teams. Microsoft Teams allows us to chat, meet, collaborate, or call from anywhere. There are many other tools that enable businesses to take their operations off site. Zoom, GoToMeeting and Slack all offer options for teleworkers as well.

Many companies, such as Microsoft have been allowing and encouraging employees to work from home during this pandemic. In order to promote working from home, 5 different tech companies have recently announced that for a limited time the premium fees on their productivity tools will be waived in light of the ongoing COVID-19 outbreak. These companies include Microsoft, Google, Cisco, Zoom, and LogMeIn.

Microsoft will be granting access to the premium E1 tier of Microsoft Teams, which allows for meetings of up to 10,000 participants and normally costs $ 8 per user. This 6-month trial will roll out globally.

10. Above all, relax and remember this situation is only temporary. It is nice that we have the option of working from home. 30 years ago, it would have been impossible for this many people to work from home. While not every job can be performed from home, it is a luxury that so many jobs can be done at home. Here at enCloud9, we have been successfully working from home and supporting clients all over the world for a long time.

About enCloud9

enCloud9 uses its unique approach to help small and medium- sized businesses to increase efficiency and boost productivity through Microsoft’s powerful range of cloud-based software. Since we are experts at working from home, feel free to contact us if you need help implementing any of the programs or ideas mentioned above. We hold a monthly webinar with the purpose of helping you to increase your productivity. Visit our YouTube channel to view past topics and recordings. Join us this Friday, March 20 as we highlight the best productivity updates to Power Apps and Dynamics 365.

Other helpful resources

Bing has launched a COVID-19 tracker that displays the number of confirmed cases worldwide. The data is broken down into active, recovered and fatal cases, and can be filtered by geographic region. To learn more about this great interactive resource click here. This is updated daily.
As the spread of the COVID-19 virus becomes more prevalent, many companies might begin to experience a reduction in workers. To compensate for a reduction, business owners should consider preparing their workplaces just in case. In order to properly prepare your business for the COVID-19 virus, we have included this article from KimKomando.

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CRM Software Blog | Dynamics 365

GEMS FROM GAFFE-TASTIC JOE BITE-ME

March 15, 2020 Humor

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ANTZ-IN-PANTZ ……

Hello Products Grew From 19,000 to 45,000 Stores in 18 Months. Here’s How.

March 13, 2020 NetSuite

Posted by Kendall Fisher, Executive Producer and Host of The NetSuite Podcast

Walking down the oral care aisle in a New York City drugstore, Craig Dubitsky—a founder of Eos Products and an early investor in Method cleaning products—noticed nothing but images of extracted teeth, unappealing packaging and shame-based marketing tactics with phrases like, “If you’re not whitening, you’re frightening!” and, “The dentist is going to drill, fill and bill you!” Not to mention, he realized these products were made using unnatural chemicals and ingredients, some of which had been banned by the FDA.

[embedded content]

And a lightbulb went off in his head.

Despite being a $ 40 billion industry, few dare to break into oral care, which has been dominated by the same three behemoths for decades. But in 2010, Dubitsky decided it was time to change that.

He created Hello Products, the “friendly” oral care brand dedicated to delivering natural and effective products like toothpaste, mouthwash, floss and toothbrushes. The cool, minimalist packaging made for an added bonus.

Dubitsky hit the nail on the head with the concept and watched as Hello made its way into big-box retailers like Target, Walmart, Whole Foods and Dollar General as well as a slew of ecommerce merchants like Amazon and Thrive, making it accessible to everyone.

In just 18 months, Hello grew from 19,000 stores to 45,000, while simultaneously launching its own ecommerce website. It was tremendous growth for a company of less than 30 people—growth that can often cripple an unprepared business.

The volume of sales did, in fact, challenge the company’s ecommerce site and legacy systems, causing bottlenecks in processes and ultimately order delays. And that’s when Dubitsky, and Hello’s VP of Finance, Adam Levison, realized it was time to make a change to the company’s business management solution.

After doing some research about what other fast-growing startups were doing, they decided to implement Oracle NetSuite—a “seamless” transition, as Dubitsky describes it. The company re-platformed its ecommerce site onto NetSuite and through the unified platform, tied together its business operations and financial management.

“It allowed our really talented people to spend more time thinking about how to improve our business and our brand—not on entering inputs—and now they get better outputs,” Dubitsky says. “Now they can analyze that with greater certainty and clarity, and that helps us make much better business decisions.”

Watch the video above to hear more about how Oracle NetSuite helped Hello Products continue to grow successfully and where the company plans to grow with NetSuite in the future.

Posted on Thu, March 12, 2020
by NetSuite filed under

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Amazon’s AI predicts product quality from customer feedback

March 10, 2020 Big Data

Amazon scientists are prototyping algorithms that use crowdsourcing to identify product data, the company reports in a blog post. The researchers believe these algorithms could be used to predict human judgments of product quality on Amazon, which might improve people’s shopping experience by matching only high-quality products to search queries.

The work is something of a follow-up to a study Amazon published in early January that examined why Amazon customers buy seemingly irrelevant products while shopping for specific items. In an analysis, a team of Amazon researchers found that customers are partial to products that are broadly popular or cheaper than products relevant to a given search query. Additionally, their results suggested people are more likely to buy or engage with irrelevant products in categories like toys and digital goods than in categories like beauty and groceries.

In this latest study, which is scheduled to be presented next week at the ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR) in Vancouver, the researchers presented crowd workers with images of pairs of related products, along with product information supplied by both sellers and customers. The researchers then asked the crowd workers which products were of higher quality and which terms extracted from the product information best explained their judgments.

Each product pair in the study included one product that was actually purchased and one that was clicked on but not purchased during the same customer search query. Products also shared the most fine-grained classification available in the Amazon.com product classification hierarchy (e.g., Electronics, Home, Kitchen, Beauty, Office Products), and the terms presented to the crowd workers were chosen based on how frequently they appeared in texts associated with these categories.

The team found that while perceived quality wasn’t a good predictor of customers’ purchase decisions, it was highly correlated with price, such that customers generally chose lower-quality products if the items were correspondingly priced. Furthermore, the terms that best described the crowd workers’ judgment criteria came from the public customer-supplied information — that is, customer reviews and question-and-answer sequences in which customers answered other shoppers’ product-related questions — as opposed to the seller information.

“Existing research on product recommendation has mainly focused on modeling purchases directly, without attempting to find the reasons behind customer decisions. We believe that understanding the processes that underlie customers’ purchasing decisions will help us make better product recommendations,” wrote study coauthors Jie Yang, Rongting Zhang, and Vanessa Murdock. “This work represents one of several steps we’re taking in that direction.”

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Big Data – VentureBeat

Tag Archives: from

Cordio and Rambam Hospital will trial AI that detects coronavirus cases from speech samples

AI-powered voice diagnostics

COVID-19 (Coronavirus) Insights from the TIBCO Data Science Team

Tracking regional outbreaks and estimating the spread of COVID-19

IBM’s AI generates new footage from video stills