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<title>Facial recognition's 'dirty little secret': Millions of online photos scraped without consent (archive) — David Larlet</title>
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<h1>
  <span><a id="jumper" href="#jumpto" title="Un peu perdu ?">?</a></span>
  Facial recognition's 'dirty little secret': Millions of online photos scraped without consent (archive)
  <time>Pour la pérennité des contenus liés. Non-indexé, retrait sur simple email.</time>
</h1>
<section>
  <article>
    <h3><a href="https://www.nbcnews.com/tech/internet/facial-recognition-s-dirty-little-secret-millions-online-photos-scraped-n981921">Source originale du contenu</a></h3>
    <p class="">Facial recognition can log you into your iPhone, track criminals through crowds and identify loyal customers in stores.</p>

<p class="">The technology — which is imperfect but improving rapidly — is based on algorithms that learn how to recognize human faces and the hundreds of ways in which each one is unique.</p>

<p id="taboolaReadMoreBelow"/><p class="">To do this well, the algorithms must be fed hundreds of thousands of images of a diverse array of faces. Increasingly, those photos are coming from the internet, where they’re swept up by the millions without the knowledge of the people who posted them, categorized by age, gender, skin tone and dozens of other metrics, and shared with researchers at universities and companies.</p><p class="">As the algorithms get more advanced — meaning they are better able to identify women and people of color, a task they have historically struggled with — legal experts and civil rights advocates are sounding the alarm on researchers’ use of photos of ordinary people. These people’s faces are being used without their consent, in order to power technology that could eventually be used to surveil them.</p><p class="">That’s a particular concern for minorities who could be profiled and targeted, the experts and advocates say.</p><p class="">“This is the dirty little secret of AI training sets. Researchers often just grab whatever images are available in the wild,” said NYU School of Law professor Jason Schultz.</p><p class="">The latest company to enter this territory was IBM, which in January released a collection of nearly a million photos <a href="https://www.ibm.com/blogs/research/2019/01/diversity-in-faces/">that were taken from the photo hosting site Flickr</a> and coded to describe the subjects’ appearance. IBM promoted the collection to researchers as a progressive step toward reducing bias in facial recognition.</p><p class="">But some of the photographers whose images were included in IBM’s dataset were surprised and disconcerted when NBC News told them that their photographs had been annotated with details including facial geometry and skin tone and may be used to develop facial recognition algorithms. (NBC News obtained IBM’s dataset from a source after the company declined to share it, saying it could be used only by academic or corporate research groups.)</p><p class="">“None of the people I photographed had any idea their images were being used in this way,” said Greg Peverill-Conti, a Boston-based public relations executive who has more than 700 photos in IBM’s collection, known as a “training dataset.”</p><p class="">“It seems a little sketchy that IBM can use these pictures without saying anything to anybody,” he said.</p><p class="">John Smith, who oversees AI research at IBM, said that the company was committed to “protecting the privacy of individuals” and “will work with anyone who requests a URL to be removed from the dataset.”</p><p class="">Despite IBM’s assurances that Flickr users can opt out of the database, NBC News discovered that it’s almost impossible to get photos removed. IBM requires photographers to email links to photos they want removed, but the company has not publicly shared the list of Flickr users and photos included in the dataset, so there is no easy way of finding out whose photos are included. IBM did not respond to questions about this process.</p><p class="">To see if your Flickr photos are part of the dataset, enter your username in a tool NBC News created based on the IBM dataset:</p><p class="">IBM says that its dataset is designed to help academic researchers make facial recognition technology fairer. The company is not alone in using publicly available photos on the internet in this way. <a href="https://www.kairos.com/blog/60-facial-recognition-databases">Dozens of other research organizations</a> have collected photos for training facial recognition systems, and many of the larger, more recent collections have been scraped from the web.</p><p class="">Some experts and activists argue that this is not just an infringement on the privacy of the millions of people whose images have been swept up — it also raises broader concerns about the improvement of facial recognition technology, and the fear that it will be used by law enforcement agencies to <a href="https://www.nbcnews.com/news/us-news/facial-recognition-gives-police-powerful-new-tracking-tool-it-s-n894936">disproportionately target minorities.</a></p><p class="">“People gave their consent to sharing their photos in a different internet ecosystem,” said Meredith Whittaker, co-director of the AI Now Institute, which studies the social implications of artificial intelligence. “Now they are being unwillingly or unknowingly cast in the training of systems that could potentially be used in oppressive ways against their communities.”</p><h3 class="">How facial recognition has evolved</h3><p class="">In the early days of building facial recognition tools, researchers paid people to come to their labs, sign consent forms and have their photo taken in different poses and lighting conditions. Because this was expensive and time consuming, early datasets were limited to a few hundred subjects.</p><p class="">With the rise of the web during the 2000s, researchers suddenly had access to millions of photos of people.</p><figure class="medium___16lj6"><p class="lazyload-placeholder"/><figcaption class="caption___fMPAB f3 lh-copy grey-100 publico-txt caption___1mNth mt4"><span class="mr3">Amazon Rekognition enables users to track people through a video even when their faces are not visible.</span><span class="f2 ls-tight gray-80 ws-tight founders-mono dib">Amazon</span></figcaption></figure><p class="">“They would go into a search engine, type in the name of a famous person and download all of the images,” said <a href="https://www.nist.gov/people/p-jonathon-phillips">P. Jonathon Phillips</a>, who collects datasets for measuring the performance of face recognition algorithms for the National Institute of Standards and Technology. “At the start these tended to be famous people, celebrities, actors and sports people.”</p><p class="">As social media and user-generated content took over, photos of regular people were increasingly available. Researchers treated this as a free-for-all, scraping faces from YouTube videos, Facebook, Google Images, Wikipedia and mugshot databases.</p><p class="">Academics often appeal to the noncommercial nature of their work to bypass questions of copyright. Flickr became an appealing resource for facial recognition researchers because many users published their images under “Creative Commons” licenses, which means that others can reuse their pictures without paying license fees. Some of these licenses allow commercial use.</p><p class="">To build its Diversity in Faces dataset, IBM says it drew upon a collection of <a href="https://webscope.sandbox.yahoo.com/catalog.php?datatype=i&amp;did=67">100 million images published with Creative Commons licenses that Flickr’s owner, Yahoo, released as a batch for researchers to download in 2014</a>. IBM narrowed that dataset down to about 1 million photos of faces that have each been annotated, using automated coding and human estimates, with almost 200 values for details such as measurements of facial features, pose, skin tone and estimated age and gender, according to the dataset obtained by NBC News.</p><figure class="medium___16lj6"><p class="lazyload-placeholder"/><figcaption class="caption___fMPAB f3 lh-copy grey-100 publico-txt caption___1mNth mt4"><span class="mr3">IBM calculated dozens of measurements for every face included in the dataset.</span><span class="f2 ls-tight gray-80 ws-tight founders-mono dib">IBM</span></figcaption></figure><p class="">It’s a single case study in a sea of datasets taken from the web. According to Google Scholar, hundreds of academic papers have been written on the back of these huge collections of photos — which have names like <a href="http://megaface.cs.washington.edu">MegaFace</a>, <a href="http://mmlab.ie.cuhk.edu.hk/projects/CelebA.html">CelebFaces</a> and <a href="http://tamaraberg.com/faceDataset/">Faces in the Wild</a> — contributing to major leaps in the accuracy of facial recognition and analysis tools. It was difficult to find academics who would speak on the record about the origins of their training datasets; many have advanced their research using collections of images scraped from the web without explicit licensing or informed consent.</p><p class="">The researchers who built those datasets did not respond to requests for comment.</p><h3 class="">How IBM is using the face database</h3><p class="">IBM released its collection of annotated images to other researchers so that it can be used to develop “fairer” facial recognition systems. That means systems can more accurately identify people of all races, ages and genders.</p><p class="">“For the facial recognition systems to perform as desired, and the outcomes to become increasingly accurate, training data must be diverse and offer a breadth of coverage,” said <a href="https://researcher.watson.ibm.com/researcher/view.php?person=us-jsmith">IBM’s John Smith</a>, in a <a href="https://web.archive.org/web/20190201133121/https://www.ibm.com/blogs/research/2019/01/diversity-in-faces/">blog post announcing the release of the data</a>.</p><p class="">The dataset does not link the photos of people’s faces to their names, which means any system trained to use the photos would not be able to identify named individuals. But civil liberty advocates and tech ethics researchers have still questioned the motives of IBM, which has a history of selling surveillance tools that have been criticized for infringing on civil liberties.</p><p class="">For example, in the wake of the 9/11 attacks, the company <a href="https://theintercept.com/2018/09/06/nypd-surveillance-camera-skin-tone-search/">sold technology to the New York City police department that allowed it to search CCTV feeds for people with particular skin tones or hair color</a>. IBM has also released an <a href="https://www.ibm.com/us-en/marketplace/video-analytics-for-security/details">“intelligent video analytics” product</a> that uses body camera surveillance to detect people by “ethnicity” tags, such as Asian, black or white.</p><p class="">IBM said in an email that the systems are “not inherently discriminatory,” but added: “We believe that both the developers of these systems and the organizations deploying them have a responsibility to work actively to mitigate bias. It’s the only way to ensure that AI systems will earn the trust of their users and the public. IBM fully accepts this responsibility and would not participate in work involving racial profiling.”</p><p class="">Today, the company sells a system called IBM Watson Visual Recognition, which IBM says can estimate the age and gender of people depicted in images and, with the right training data, can be used by clients to <a href="https://www.youtube.com/watch?v=BqoLkuQ6zvQ">identify specific people from photos or videos</a>.</p><p class="">NBC News asked IBM what training data IBM Watson used for its commercial facial recognition abilities, pointing to a company <a href="https://www.ibm.com/blogs/watson/2018/07/trust-in-the-age-of-ai-build-fairness-into-machine-learning-models/">blog post that stated that Watson</a> is “transparent about who trains our AI systems, what data was used to train those systems.” The company responded that it uses data “acquired from various sources” to train its AI models but does not disclose this data publicly to “protect our insights and intellectual property.”</p><p class="">IBM said both in public statements and directly to NBC News that the Diversity in Faces dataset is purely for academic research and won’t be used to improve the company’s commercial facial recognition tools. This seems to conflict with the company’s assertion in January in promotional materials that the release of the dataset is a direct response to research by MIT’s Joy Buolamwini that showed that <a href="http://news.mit.edu/2018/study-finds-gender-skin-type-bias-artificial-intelligence-systems-0212">IBM’s commercial facial recognition technology was much worse at accurately identifying darker-skinned women than lighter-skinned men</a>.</p><p class="">When asked about this conflict, and particularly about how the Diversity in Faces dataset might have a real-world impact on reducing bias if IBM is not using it in commercial facial recognition products, Smith said in an email that the “scientific learnings on facial diversity will advance our understanding and allow us to create more fair and accurate systems in practice.”</p><p class="">“We recognize that societal bias is not necessarily something we can fully tackle with science, but our aim is to address mathematical and algorithmic bias,” Smith said.</p><p class="">Experts note that the distinction between the research wings and commercial operations of corporations such as IBM and Facebook is a blurry one. Ultimately, IBM owns any intellectual property developed by its research unit.</p><p class="">Even when algorithms are developed by academic researchers using noncommercial datasets, those algorithms are often later used by businesses, said Brian Brackeen, former CEO of the facial recognition company Kairos.</p><p class="">As an analogy, he said, “think of it as the money laundering of facial recognition. You are laundering the IP and privacy rights out of the faces.”</p><p class="">IBM said it would not use the Diversity in Faces dataset in this way.</p><h3 class="">Photographers divided on IBM’s dataset</h3><p class="">An Austrian photographer and entrepreneur, Georg Holzer, uploaded his photos to Flickr to remember great moments with his family and friends, and he used Creative Commons licenses to allow nonprofits and artists to use his photos for free. He did not expect more than 700 of his images to be swept up to study facial recognition technology.</p><p class="">“I know about the harm such a technology can cause,” he said over Skype, after NBC News told him his photos were in IBM’s dataset. “Of course, you can never forget about the good uses of image recognition such as finding family pictures faster, but it can also be used to restrict fundamental rights and privacy. I can never approve or accept the widespread use of such a technology.”</p><figure class="medium___16lj6"><p class="lazyload-placeholder"/><figcaption class="caption___fMPAB f3 lh-copy grey-100 publico-txt caption___1mNth mt4"><span class="mr3">A Flickr photo by Georg Holzer included in IBM's dataset. </span><span class="f2 ls-tight gray-80 ws-tight founders-mono dib">Georg Holzer / Flickr</span></figcaption></figure><p class="">Holzer was concerned that a company like IBM — even its research division — had used photos he published under a noncommercial license.</p><p class="">“Since I assume that IBM is not a charitable organization and at the end of the day wants to make money with this technology, this is clearly a commercial use,” he said.</p><p class="">Dolan Halbrook, who is based in Portland, Oregon, and has 452 photos in the dataset, agreed that IBM should have asked his permission.</p><p class="">“I'm annoyed at them being used without prior notification and a chance to review which ones would be included,” Halbrook said. “I'm ambivalent about improving the technology itself.”</p><figure class="medium___16lj6"><p class="lazyload-placeholder"/><figcaption class="caption___fMPAB f3 lh-copy grey-100 publico-txt caption___1mNth mt4"><span class="mr3">A Flickr photo by Greg Peverill-Conti included in IBM's dataset. </span><span class="f2 ls-tight gray-80 ws-tight founders-mono dib">Greg Peverill-Conti / Flickr</span></figcaption></figure><p class="">Other photographers were glad to hear that their images may be used to advance the field of facial recognition.</p><p class="">“Facial recognition is one of those things we can’t uninvent, so having a reliable system is better than one that generates errors and false identifications,” said Neil Moralee, a food consultant and photographer based in the U.K. who specializes in portraits.</p><figure class="portrait___DEdHw small___bhq_V"><p class="lazyload-placeholder"/><figcaption class="caption___fMPAB f3 lh-copy grey-100 publico-txt caption___1mNth mt4"><span class="mr3">A Flickr photo by Sebastian Gambolati included in IBM's dataset. </span><span class="f2 ls-tight gray-80 ws-tight founders-mono dib">Sebastian Gambolati / Flickr</span></figcaption></figure><p class="">Guillaume Boppe from Switzerland agreed. “If the pictures of faces I shot are helping AI to improve, reducing false detection and ultimately improving global safety, I’m fine with it,” he said.</p><p class="">Sebastian Gambolati, from Argentina, was happy to contribute to more accurate technology for finding missing people or tracking criminals, but he said it would have been “nice if they asked.”</p><p class="">“In my Flickr account there are a lot of photos I took from people in events that aren’t close to me,” he said, “and I don't know what they think about the company using their photos without their consent.”</p><h3 class="">Few options for opting out</h3><p class="">IBM does offer an opt-out model of sorts: People can contact IBM with individual links to photographs they want removed from the dataset — either ones they have taken or ones they are featured in — and IBM says it will remove them, <a href="https://www.research.ibm.com/artificial-intelligence/trusted-ai/diversity-in-faces/documents/privacy-notice.html">according to its privacy notice</a>.“ However, there’s no easy way to know if you are featured in the dataset, and even if you find out that you are, IBM said it will not remove photos on the basis of your Flickr user ID unless you also have links to each of the photographs.</p><p class="">When NBC News alerted one photographer, who asked not to be named for privacy reasons, that more than 1,000 of his photos were included in IBM’s dataset, he tried to opt out by sending IBM his Flickr user ID. IBM told him that none of his photos were in the dataset, according to an email viewed by NBC News. When NBC News shared specific links to some of his photos in IBM’s dataset, the company blamed an “indexing bug” for its initial inability to confirm that his images were included.After more than a week, IBM confirmed it had removed the four photos he had provided links to. According to NBC News’ analysis, he still has 1,001 photos in the dataset.</p><p class="">Smith, of IBM, said in a statement that all URL removal requests had been completed.</p><p class="">Even once an image is removed from the IBM dataset, it won’t be removed from the versions of the dataset already shared with research partners (about 250 organizations have requested access so far), IBM said. Nor will it be removed from the underlying Flickr dataset.</p><p class="">For those caught up in IBM’s dataset or others like it, this makes the notion of opting out seem hopeless.</p><p class="">There may, however, be legal recourse in some jurisdictions thanks to the rise of privacy laws acknowledging the unique value of photos of people’s faces. Under Europe’s General Data Protection Regulation, photos are considered “sensitive personal information” if they are used to confirm an individual’s identity. Residents of Europe who don’t want their data included can ask IBM to delete it. If IBM doesn’t comply, they can complain to their country’s data protection authority, which, if the particular photos fall under the definition of “sensitive personal information,” can levy fines against companies that violate the law.</p><p class="">In the U.S., some states have laws that could be relevant. Under the Illinois Biometric Information Privacy Act, for example, it can be a violation to capture, store and share biometric information without a person’s written consent. According to the act, biometric information includes fingerprints, iris scans and face geometry.</p><p class="">"This is the type of mass collection and use of biometric data that can be easily abused, and appears to be taking place without the knowledge of those in the photos,” said Jay Edelson, a Chicago-based class-action lawyer currently <a href="http://fortune.com/2019/01/04/google-face-scanning-illinois/">suing Facebook for its use of facial recognition tools</a>.</p><p class="">So far neither of these laws has been rigorously tested.</p><p class="">IBM declined to comment on the laws.</p><h3 class="">‘Incredibly oppressive the more accurate it gets’</h3><p class="">Aside from the privacy issues, a bigger question remains: Are more accurate facial recognition systems actually “fairer”? And is it possible for facial recognition to be fair at all?</p><p class="">“You’ve really got a rock-and-a-hard-place situation happening here,” said <a href="https://www.northeastern.edu/law/faculty/directory/hartzog.html">Woody Hartzog</a>, a professor of law and computer science at Northeastern University. “Facial recognition can be incredibly harmful when it’s inaccurate and incredibly oppressive the more accurate it gets.”</p><p class="">While there are benign uses for facial recognition, it can also be used to <a href="https://www.eff.org/press/releases/law-enforcement-use-face-recognition-systems-threatens-civil-liberties">surveil and target people of color</a> and other <a href="https://www.thedailybeast.com/amazon-pushes-ice-to-buy-its-face-recognition-surveillance-tech">vulnerable and minority communities</a>. Facial recognition databases of mugshots are more likely to include African-Americans, Latinos and immigrants, since those groups are targeted by biased policing practices, civil rights groups say. This means that those <a href="https://www.perpetuallineup.org/findings/racial-bias">people are far more “findable” by facial recognition technology</a>, even if they were wrongly arrested when their mugshot was taken.</p><p class="">The use of facial recognition surveillance systems by law enforcement is so controversial that a coalition of more than <a href="https://www.aclunc.org/news/pressure-mounts-amazon-microsoft-and-google-against-selling-facial-recognition-government">85 racial justice and civil rights groups have called for tech companies</a> to refuse to sell the technology to governments. These groups argue that the technology exacerbates “historical and existing bias” that harms communities that are already “over-policed and over-surveilled.”</p><p class="">“These systems are being deployed in oppressive contexts, often by law enforcement,” said Whittaker, of the AI Now Institute, “and the goal of making them better able to surveil anyone is one we should look at very skeptically.”</p><p class="lastMarkupItem"><strong>CORRECTION</strong> (March 12, 2019, 8:18 p.m. ET): An earlier version of this article incorrectly described Brian Brackeen’s position at Kairos. He is the former CEO, not the current one.</p>
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