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<!DOCTYPE html> <html lang="en" class="no-js"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="description" content="MIT researchers find large language models apply different norms when deciding whether similar home surveillance videos show a crime and whether the police should be called. The models often recommend calling police even when they state no crime occurred in the video." /> <meta name="keywords" content="Ashia Wilson, Dana Calacci, Shomi Jain, Large language model bias, Amazon Ring, Home surveillance, AI bias mitigation, AI in policing" /> <meta name="news_keywords" content="Ashia Wilson, Dana Calacci, Shomi Jain, Large language model bias, Amazon Ring, Home surveillance, AI bias mitigation, AI in policing" /> <meta name="twitter:site" content="@mit" /> <meta property="twitter:site:id" content="15460048" /> <meta name="twitter:card" content="summary_large_image" /> <meta property="twitter:title" content="Study: AI could lead to inconsistent outcomes in home surveillance" /> <meta property="twitter:image" content="https://news.mit.edu/sites/default/files/images/202409/MIT-LLMNorm-01-press.jpg" /> <meta property="fb:page_id" content="126533127390327" /> <meta property="og:title" content="Study: AI could lead to inconsistent outcomes in home surveillance" /> <meta property="og:image" content="https://news.mit.edu/sites/default/files/images/202409/MIT-LLMNorm-01-press.jpg" /> <meta property="og:description" content="MIT researchers find large language models apply different norms when deciding whether similar home surveillance videos show a crime and whether the police should be called. The models often recommend calling police even when they state no crime occurred in the video." /> <meta property="og:site_name" content="MIT News | Massachusetts Institute of Technology" /> <meta property="og:type" content="article" /> <meta property="og:url" content="https://news.mit.edu/2024/study-ai-inconsistent-outcomes-home-surveillance-0919" /> <meta property="og:author" content="Adam Zewe | MIT News" /> <link rel="image_src" href="https://news.mit.edu/sites/default/files/images/202409/MIT-LLMNorm-01-press.jpg" /> <link rel="canonical" href="https://news.mit.edu/2024/study-ai-inconsistent-outcomes-home-surveillance-0919" /> <title>Study: AI could lead to inconsistent outcomes in home surveillance | MIT News | Massachusetts Institute of Technology</title> <link rel="icon" href="/themes/mit/assets/img/favicon/favicon.ico" sizes="32x32"> <link rel="icon" href="/themes/mit/assets/img/favicon/favicon.svg" type="image/svg+xml"> <link rel="apple-touch-icon" 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outcomes in home surveillance </li> </ol> </div> </div> <div data-drupal-messages-fallback class="hidden"></div> <div id="block-mit-page-title"> <div class="block-inner"> <h1><span itemprop="name headline">Study: AI could lead to inconsistent outcomes in home surveillance</span> </span> </h1> </div> </div> <div id="block-mit-content"> <div class="block-inner"> <article> <div> <div itemprop="description" class="news-article--dek"> <span>Researchers find large language models make inconsistent decisions about whether to call the police when analyzing surveillance videos.</span> </div> <div class="news-article--indicators"> </div> <div itemprop="author" class="news-article--authored-by"> <span class="news-article--author">Adam Zewe</span> <span class="news-article--authored-by--separator">|</span> <span class="news-article--source">MIT News</span> </div> <div itemprop="datePublished" class="news-article--publication-date"> <div class="visually-hidden"> <span class="label">Publication 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A house is in the middle." /> </a> <div class="news-article--download-image--item--file--download"> ↓ <a href="/sites/default/files/download/202409/MIT-LLMNorm-01-press.jpg" target="_blank" class="news-article--download-image--item--file--download-link">Download Image</a> </div> </div> <div class="news-article--download-image--item--descr"> <div class="news-article--download-image--item--caption"> <span class="label">Caption</span><span class="visually-hidden">:</span> “The move-fast, break-things modus operandi of deploying generative AI models everywhere, and particularly in high-stakes settings, deserves much more thought since it could be quite harmful,” says co-senior author Ashia Wilson. </div> <div class="news-article--download-image--item--credits"> <span class="label">Credits</span><span class="visually-hidden">:</span> Image: Jose-Luis Olivares, MIT; iStock </div> </div> </div> </div> </div> <div class="news-article--press-inquiries--download-images--terms-of-use"> <h4 class="news-article--press-inquiries--download-images--terms-of-use--title">*Terms of Use:</h4> <p> Images for download on the MIT News office website are made available to non-commercial entities, press and the general public under a <a href="http://creativecommons.org/licenses/by-nc-nd/3.0/" target="_blank">Creative Commons Attribution Non-Commercial No Derivatives license</a>. 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A house is in the middle." class="ondemand" data-src="/sites/default/files/styles/news_article__image_gallery/public/images/202409/MIT-LLMNorm-01-press_0.jpg?itok=-dyfHuJb" /> </div> <div class="news-article--media--image--descr--wrapper"> <div class="news-article--media--image--descr"> <div class="news-article--media--image--caption"> <div class="visually-hidden"> <span class="label">Caption</span><span class="visually-hidden">:</span> </div> “The move-fast, break-things modus operandi of deploying generative AI models everywhere, and particularly in high-stakes settings, deserves much more thought since it could be quite harmful,” says co-senior author Ashia Wilson. </div> <div class="news-article--media--image--credits"> <div class="visually-hidden"> <span class="label">Credits</span><span class="visually-hidden">:</span> </div> Image: Jose-Luis Olivares, MIT; iStock </div> </div> </div> </div> </div> <div class="news-article--images-gallery--nav"> <p class="news-article--images-gallery--nav--inner"> <button class="news-article--images-gallery--nav--button news-article--images-gallery--nav--button--previous"><svg class="arrow--point-west--slider" data-name="Group 2041" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="0" viewBox="0 0 16.621 30.183"> <defs> <clipPath id="clip-path"> <path id="Path_494" data-name="Path 494" d="M0-126.293H16.621V-96.11H0Z" transform="translate(0 126.293)" /> </clipPath> </defs> <g id="Group_112" data-name="Group 112" clip-path="url(#clip-path)"> <g id="Group_111" data-name="Group 111" transform="translate(0 0)"> <path id="Path_493" data-name="Path 493" d="M-48.055-96.11a1.522,1.522,0,0,1-1.081-.448L-62.7-110.12a1.529,1.529,0,0,1,0-2.163l13.562-13.562a1.528,1.528,0,0,1,2.162,0,1.529,1.529,0,0,1,0,2.163L-59.454-111.2l12.48,12.48a1.529,1.529,0,0,1,0,2.163,1.524,1.524,0,0,1-1.081.448" transform="translate(63.146 126.293)" /> </g> </g> </svg> <span class="visually-hidden">Previous image</span></button> <button class="news-article--images-gallery--nav--button news-article--images-gallery--nav--button--next"><span class="visually-hidden">Next image</span><svg class="arrow--point-east--slider" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="0" viewBox="0 0 16.621 30.183"> <defs> <clipPath id="clip-path"> <path id="Path_496" data-name="Path 496" d="M0-126.293H16.621V-96.11H0Z" transform="translate(0 126.293)"/> </clipPath> </defs> <g id="Group_2042" data-name="Group 2042" transform="translate(16.621 30.183) rotate(180)"> <g id="Group_115" data-name="Group 115" clip-path="url(#clip-path)"> <g id="Group_114" data-name="Group 114" transform="translate(0 0)"> <path id="Path_495" data-name="Path 495" d="M-48.055-96.11a1.522,1.522,0,0,1-1.081-.448L-62.7-110.12a1.529,1.529,0,0,1,0-2.163l13.562-13.562a1.528,1.528,0,0,1,2.162,0,1.529,1.529,0,0,1,0,2.163L-59.454-111.2l12.48,12.48a1.529,1.529,0,0,1,0,2.163,1.524,1.524,0,0,1-1.081.448" transform="translate(63.146 126.293)" /> </g> </g> </g> </svg></button> </p> </div> </div> </div> </div> <div class="news-article--content"> <div class="news-article--content--body" itemprop="articleBody"> <div class="news-article--content--body--inner"> <div class="paragraph paragraph--type--content-block-text paragraph--view-mode--default"> <p>A new study from researchers at MIT and Penn State University reveals that if large language models were to be used in home surveillance, they could recommend calling the police even when surveillance videos show no criminal activity.</p><p>In addition, the models the researchers studied were inconsistent in which videos they flagged for police intervention. For instance, a model might flag one video that shows a vehicle break-in but not flag another video that shows a similar activity. Models often disagreed with one another over whether to call the police for the same video.</p><p>Furthermore, the researchers found that some models flagged videos for police intervention relatively less often in neighborhoods where most residents are white, controlling for other factors. This shows that the models exhibit inherent biases influenced by the demographics of a neighborhood, the researchers say.</p><p>These results indicate that models are inconsistent in how they apply social norms to surveillance videos that portray similar activities. This phenomenon, which the researchers call norm inconsistency, makes it difficult to predict how models would behave in different contexts.</p><p>“The move-fast, break-things modus operandi of deploying generative AI models everywhere, and particularly in high-stakes settings, deserves much more thought since it could be quite harmful,” says co-senior author Ashia Wilson, the Lister Brothers Career Development Professor in the Department of Electrical Engineering and Computer Science and a principal investigator in the Laboratory for Information and Decision Systems (LIDS).</p><p>Moreover, because researchers can’t access the training data or inner workings of these proprietary AI models, they can’t determine the root cause of norm inconsistency.</p><p>While large language models (LLMs) may not be currently deployed in real surveillance settings, they are being used to make normative decisions in other high-stakes settings, such as health care, mortgage lending, and hiring. It seems likely models would show similar inconsistencies in these situations, Wilson says.</p><p>“There is this implicit belief that these LLMs have learned, or can learn, some set of norms and values. Our work is showing that is not the case. Maybe all they are learning is arbitrary patterns or noise,” says lead author Shomik Jain, a graduate student in the Institute for Data, Systems, and Society (IDSS).</p><p>Wilson and Jain are joined on the <a href="https://arxiv.org/pdf/2405.14812" target="_blank">paper</a> by co-senior author Dana Calacci PhD ’23, an assistant professor at the Penn State University College of Information Science and Technology. The research will be presented at the AAAI Conference on AI, Ethics, and Society.</p><p><strong>“A real, imminent, practical threat”</strong></p><p>The study grew out of a dataset containing thousands of Amazon Ring home surveillance videos, which Calacci built in 2020, while she was a graduate student in the MIT Media Lab. Ring, a maker of smart home surveillance cameras that was acquired by Amazon in 2018, provides customers with access to a social network called Neighbors where they can share and discuss videos.</p><p>Calacci’s prior research indicated that people sometimes use the platform to “racially gatekeep” a neighborhood by determining who does and does not belong there based on skin-tones of video subjects. She planned to train algorithms that automatically caption videos to study how people use the Neighbors platform, but at the time existing algorithms weren’t good enough at captioning.</p><p>The project pivoted with the explosion of LLMs.</p><p>“There is a real, imminent, practical threat of someone using off-the-shelf generative AI models to look at videos, alert a homeowner, and automatically call law enforcement. We wanted to understand how risky that was,” Calacci says.</p><p>The researchers chose three LLMs — GPT-4, Gemini, and Claude — and showed them real videos posted to the Neighbors platform from Calacci’s dataset. They asked the models two questions: “Is a crime happening in the video?” and “Would the model recommend calling the police?”</p><p>They had humans annotate videos to identify whether it was day or night, the type of activity, and the gender and skin-tone of the subject. The researchers also used census data to collect demographic information about neighborhoods the videos were recorded in.</p><p><strong>Inconsistent decisions</strong></p><p>They found that all three models nearly always said no crime occurs in the videos, or gave an ambiguous response, even though 39 percent did show a crime.</p><p>“Our hypothesis is that the companies that develop these models have taken a conservative approach by restricting what the models can say,” Jain says.</p><p>But even though the models said most videos contained no crime, they recommend calling the police for between 20 and 45 percent of videos.</p><p>When the researchers drilled down on the neighborhood demographic information, they saw that some models were less likely to recommend calling the police in majority-white neighborhoods, controlling for other factors.</p><p>They found this surprising because the models were given no information on neighborhood demographics, and the videos only showed an area a few yards beyond a home’s front door.</p><p>In addition to asking the models about crime in the videos, the researchers also prompted them to offer reasons for why they made those choices. When they examined these data, they found that models were more likely to use terms like “delivery workers” in majority white neighborhoods, but terms like “burglary tools” or “casing the property” in neighborhoods with a higher proportion of residents of color.</p><p>“Maybe there is something about the background conditions of these videos that gives the models this implicit bias. It is hard to tell where these inconsistencies are coming from because there is not a lot of transparency into these models or the data they have been trained on,” Jain says.</p><p>The researchers were also surprised that skin tone of people in the videos did not play a significant role in whether a model recommended calling police. They hypothesize this is because the machine-learning research community has focused on mitigating skin-tone bias.</p><p>“But it is hard to control for the innumerable number of biases you might find. It is almost like a game of whack-a-mole. You can mitigate one and another bias pops up somewhere else,” Jain says.</p><p>Many mitigation techniques require knowing the bias at the outset. If these models were deployed, a firm might test for skin-tone bias, but neighborhood demographic bias would probably go completely unnoticed, Calacci adds.</p><p>“We have our own stereotypes of how models can be biased that firms test for before they deploy a model. Our results show that is not enough,” she says.</p><p>To that end, one project Calacci and her collaborators hope to work on is a system that makes it easier for people to identify and report AI biases and potential harms to firms and government agencies.</p><p>The researchers also want to study how the normative judgements LLMs make in high-stakes situations compare to those humans would make, as well as the facts LLMs understand about these scenarios.</p><p>This work was funded, in part, by the IDSS’s <a href="https://idss.mit.edu/research/collaborations/icsr/" target="_blank">Initiative on Combating Systemic Racism</a>.</p> </div> </div> </div> <div class="news-article--content--side-column"> <div> <div class="block-inner"> <div class="news-article--share"> <div class="news-article--share--inner"> <h3 class="news-article--share--title">Share<span class="visually-hidden"> this news article on:</span></h3> <ul class="news-article--share--list-items"> <li 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d="M33.029,40.912H10.471A3.471,3.471,0,0,1,7,37.441V4.471A3.471,3.471,0,0,1,10.471,1H26.956a.854.854,0,0,1,.673.343l8.528,8.528a.852.852,0,0,1,.343.673h0v26.9A3.471,3.471,0,0,1,33.029,40.912ZM27.824,3.934V9.676h5.743Zm6.941,7.478H26.956a.867.867,0,0,1-.868-.868V2.735H10.471A1.736,1.736,0,0,0,8.735,4.471V37.441a1.736,1.736,0,0,0,1.735,1.735H33.029a1.736,1.736,0,0,0,1.735-1.735ZM29.559,33.971H13.941a.868.868,0,1,1,0-1.735H29.559a.868.868,0,1,1,0,1.735Zm0-6.941H13.941a.868.868,0,0,1,0-1.735H29.559a.868.868,0,1,1,0,1.735Zm0-6.941H13.941a.868.868,0,0,1,0-1.735H29.559a.868.868,0,1,1,0,1.735Z" transform="translate(-7 -1)" fill="currentColor" fill-rule="evenodd"/> </svg> </span> <span class="news-article--paper-link--url"><a href="https://arxiv.org/pdf/2405.14812" target="_blank">Paper: “As an AI Language Model, ‘Yes I Would Recommend Calling the Police’: Norm Inconsistency in LLM Decision-Making”</a></span> </div> </div> </div> </div> </div> <div class="news-article--content--itm 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