Slashdot Mirror


Google Executive Warns of Face ID Bias (bbc.com)

Facial recognition technology does not yet have "the diversity it needs" and has "inherent biases," a top Google executive has warned. From a report: The remarks, from the firm's director of cloud computing, Diane Greene, came after rival Amazon's software wrongly identified 28 members of Congress, disproportionately people of colour, as police suspects. Google, which has not opened its facial recognition technology to public use, was working on gathering vast sums of data to improve reliability, Ms Greene said. However, she refused to discuss the company's controversial work with the military. "Bad things happen when I talk about Maven," Ms Greene said, referring to a soon-to-be abandoned project with the US military to develop artificial intelligence technology for drones. After considerable employee pressure, including resignations, Google said it would not renew its contract with the Pentagon after it lapses some time in 2019. The firm has not commented on the deal since, only to release a set of "AI principles" that stated it would not use artificial intelligence or machine learning to create weapons.

71 comments

  1. Wrong? by Chris+Mattern · · Score: 1, Insightful

    Amazon's software wrongly identified 28 members of Congress[,,,]as police suspects

    "There is no native criminal class except Congress." -- Mark Twain

    1. Re:Wrong? by harvey+the+nerd · · Score: 4, Funny

      That's really broken. It missed at least 500 more...

  2. How noble of them by Anonymous Coward · · Score: 1, Insightful

    But they'll happily allow it to be used to subjugate and oppress civilians.
    If those employees were so concerned about rights and liberties they'd have blocked the tech altogether.

  3. Face ID has no bias, training sets may by SuperKendall · · Score: 4, Insightful

    The technology behind FaceID has no bias. It works really well - if given the right training data. Now it could easily be that the training data you are feeding it is biased in some way, but that is why extensive testing of the resulting recognition engine you have built is key, so you can go back and correct training data...

    Because training neural networks is kind of a blackbox, it's sometimes hard to say what kind of bias you may have built in. the Amazon system recognizing a set of politicians as criminal might be down to the lighting used in the picture being a lot like mug shot lighting!

    Or who knows, maybe it's latched onto specific micro-expressions of criminals and the politicians it identified really are criminals, we just don't know it yet... :-)

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
    1. Re:Face ID has no bias, training sets may by harvey+the+nerd · · Score: 1

      Bias? Probably only got those with leg monitors already attached.

    2. Re:Face ID has no bias, training sets may by Anonymous Coward · · Score: 1

      Using unbiased training data doesn't necessarily lead to an unbiased system. If your task is to classify thumbnail pictures of cats, dogs, coins, and fake coins, then your system will have problems distinguishing the last two even though you were given 1000 training pictures of each type.

    3. Re:Face ID has no bias, training sets may by DCFusor · · Score: 2
      Burning mod points here but... The NN might indeed be unbiased. So what? All practical systems do some preprocessing to cut the data rate to something reasonable, not just raw pixels at random orientations - you've all see the pics of faces with polygons drawn over them, right?
      Guess where that comes from, and how it was tuned? Decisions about how to data reduce the input - create bias.
      What helps tell say, white faces apart and white from black (to vastly oversimplify, not trying to exclude any race etc) - might stink at telling black faces from one another. "They all look alike to me!"
      And this is where bias creeps in, alongside numerous easy to make statistical errors; See, for example Timothy Master's Practical Neural Network Recipes in C++ for extensive discussion of this and what I'm saying is beyond obvious.
      ?

      It's very easy even to bias training samples by accident. One classic failure was due to data preparation unconsciously cropping pictures in one class just a little differently than the other - and the network worked great for that, and stank for all else.
      Kendall's mistake is a common one from those who haven't actually done this or written the code from the ground up. Easy libraries will do that to ya. Yes, within limits, the net is unbiased. Now go make a perfect training set - goodluckwiththat. May Bayes work for you! Except when it doesn't.

      --
      Why guess when you can know? Measure!
    4. Re:Face ID has no bias, training sets may by Anonymous Coward · · Score: 0

      Because training neural networks is kind of a blackbox, it's sometimes hard to say what kind of bias you may have built in. the Amazon system recognizing a set of politicians as criminal might be down to the lighting used in the picture being a lot like mug shot lighting!

      Or who knows, maybe it's latched onto specific micro-expressions of criminals and the politicians it identified really are criminals, we just don't know it yet... :-)

      Or it could be that AI is somewhat better than voters as it can sometimes recognize psychopathic individuals even if only about 1% of the time.

    5. Re:Face ID has no bias, training sets may by sjames · · Score: 1

      Are you sure it doesn't have problems caused by a different contrast between skin tone and background, for example? Perhaps the camera's automatic exposure and white balance adjustments are losing detail?

    6. Re: Face ID has no bias, training sets may by Anonymous Coward · · Score: 0

      If the training data was a random selection of mugshots, then black subjects will be compared to black people in the database more often because blacks are disproportionately arrested. More possible matches means more chances for a false match.

  4. Easy solution by Solandri · · Score: 3, Funny

    The problem is the amount of light the camera sensors receive. Darker faces reflect less light, and thus the camera sensor gets less data to work with making algorithms based on that data less accurate at identifying darker faces.

    This presents an obvious solution. To further the goal of eliminating racial bias, we need to turn off all the lights. That means all light bulbs need to be banned, and existing ones destroyed. NASA should launch a huge unfurling disk to block out the sun and leave the planet in perpetual darkness. Newborns should have their eyes surgically removed upon birth (they won't suffer because they won't know what they're missing). Only then can we be free of the evil racial bias being promulgated by light.

    1. Re:Easy solution by PPH · · Score: 1

      At least, get rid of outdoor lighting. So when you encounter someone at night, everyone is equal.

      --
      Have gnu, will travel.
    2. Re:Easy solution by Anonymous Coward · · Score: 0

      Google doesn't have a good track record with photo analysis. Everyone remembers when they labeled black people as gorillas. I don't trust them now and never will.

    3. Re:Easy solution by Anonymous Coward · · Score: 0

      The problem is the amount of light the camera sensors receive. Darker faces reflect less light, and thus the camera sensor gets less data to work with making algorithms based on that data less accurate at identifying darker faces.

      This is technically correct. It is purely a white balance issue with the camera. Lighter objects will always have more detail in photos.

    4. Re:Easy solution by Anonymous Coward · · Score: 0

      The AI is merely pointing out the same connection that every human who has ever lived has noticed, even if so many of them are now afraid to state it.
      Negros are literally much closer to gorillas than whites. All the protest to the contrary is irrelevant noise. Pluck the j00ish mind virus from your brain and you will know truth.

    5. Re:Easy solution by Anonymous Coward · · Score: 0

      Just a Juggalo
      Everywhere I go
      Google don't know shit about me

      I go on a crime spree
      I'm darker than whitey
      So they know jack shit about me

      When the end comes nigh
      The log files lie
      Am I human, gorilla, or tie?

    6. Re:Easy solution by Anonymous Coward · · Score: 0

      that, or the developers could just program the software to match some token white people in order to diversify the results.

    7. Re:Easy solution by Rick+Schumann · · Score: 1

      The solution is just to wait it out. Give our species another 10,000 years and we might just evolve past racial bias -- assuming we don't destroy the planet one way or another before then, or cause our own extinction-level event.

    8. Re:Easy solution by Anonymous Coward · · Score: 0

      The AI is merely pointing out the same connection that every human who has ever lived has noticed, even if so many of them are now afraid to state it.
      Negros are literally much closer to gorillas than whites. All the protest to the contrary is irrelevant noise. Pluck the j00ish mind virus from your brain and you will know truth.

      I can't believe you would say such cruel and heartless things!

      The gorilla is a gentle and noble creature compared to the negro. Gorillas don't murder each other at anything like the same rate.

    9. Re:Easy solution by cmdr_klarg · · Score: 1

      Oh sure, then we'll be doomed when the Triffids invade.

      --
      THE SOFTWARE, IT NO WORKY!!!
    10. Re:Easy solution by AmiMoJo · · Score: 1

      Just use IR cameras, or properly light areas where you are using the tech.

      Or just don't use facial recognition, that's better for everyone.

      --
      const int one = 65536; (Silvermoon, Texture.cs)
      SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
    11. Re:Easy solution by Anonymous Coward · · Score: 0

      Google doesn't have a good track record with photo analysis. Everyone remembers when they labeled black people as gorillas. I don't trust them now and never will.

      Why do you think Google is ripping on Amazon's product, AC? It's because Google's image recognition is still in the shit. Their solution to the problem of distinguishing between black people and chimpanzees and gorillas was to simply alter the algorithms to block identifying the apes. That was 3 years ago and they still haven't fixed the problem apparently.

    12. Re:Easy solution by btroy · · Score: 1

      Agreed - it would mean that cameras collect both visible and infrared pictures as signatures.

  5. No, training sets may by SuperKendall · · Score: 3, Interesting

    The technology reflects the biases of its inventors

    The "technology" behind this is neural networks. How do they reflect bias at al?

    They are nothing more than the ultimately transparent black box, reflecting whatever you choose to put into it...

    They are so non-biases in fact, the same technology is used to detect if something is a cat or a slice of pizza, or even if tumors are cancerous or not. Yet you could claim racial bias (you did not state that but it was implied).

    Like I said, care needs to be taken both in training and in testing, that is where bias may be introduced. But the technology itself is inherently unbiased and a great tool, if used correctly.

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
    1. Re:No, training sets may by Anonymous Coward · · Score: 0

      What you call a "black box" is, in fact, still a huge collection of code and data put together by human beings. I would be willing to bet that the vast majority of those human beings are of a specific demographic. I bet the friends and family of those coders are also predominantly of the same demographic. If you think that the inherent biases of that monoculture does not end up in code (yes even neural networks) than you are indeed as clueless about the subject as you sound.

    2. Re:No, training sets may by sexconker · · Score: 1

      It's okay. Not everyone has to understand the basics of machine learning.

  6. duh... by Anonymous Coward · · Score: 0

    duh... that's why you never do it in the first place!
    Just don't go there.
    For an executive to make a warning like this but not change her course personally (whether she's even going to stay with Google for pursuing such tech) shows that she really does *not* understand technology in the most fundamental sense and that lack of understanding will probably never change unless it's reflected in personal action on her part to abandon the technology and all ties to it personally.
    That applies to *any* Silicon Valley executive, perhaps with rare, Steve-Job-esque exception.

    1. Re:duh... by Anonymous Coward · · Score: 0

      Reality is that somebody will do it, either in google or out, either in our country or another. So yes, shame on them, but then what? Hopefully something more than clever protest signs.

  7. Re:Face ID Bias? by Anonymous Coward · · Score: 0, Troll

    Race ID Bias more like, hate facts be damned!

    Let's play a little game. Pick a news show, any news show that has a local crime section. When it's a violent crime like robbery, murder, rape, etc, BEFORE they show a pic of the suspect, guess what the race is. Yeah that's right, it'll be black almost all of the time. FACT.

  8. Who watches the watchmen? by sjbe · · Score: 2

    The technology behind FaceID has no bias. It works really well - if given the right training data.

    Given that clearly there isn't a set of "right training data" available that sounds like a hasty conclusion without evidence. Your argument is circular. You say the technology has no bias but proving that it has no bias requires feeding it an unbiased data set which hasn't happened. So neither of us knows if there is an inherent bias built into the system or not. Maybe there is and maybe there isn't but you don't have the data to say either way.

    Furthermore it's more complicated than just the training data set. There is code that determines the logic used to analyze the data and that code is subject to biases from the person programming it. They do not have to be conscious biases either. That's not to say it is an irreducible problem but it has to be considered.

    Now it could easily be that the training data you are feeding it is biased in some way, but that is why extensive testing of the resulting recognition engine you have built is key, so you can go back and correct training data...

    Who is watching the watchmen? The ones checking the data, providing the data, and analyzing the data, and revising the data are people and people have biases. Guarding against and when necessary removing those biases can prove rather tricky especially when the training data sets used are by and large positively loaded with biased data.

  9. Re:Face ID Bias? by Anonymous Coward · · Score: 0

    Race ID Bias more like, hate facts be damned!

    Let's play a little game. Pick a news show, any news show that has a local crime section. When it's a violent crime like robbery, murder, rape, etc, BEFORE they show a pic of the suspect, guess what the race is. Yeah that's right, it'll be black almost all of the time. FACT.

    I have a slightly different game. Pick the same news stories and when they don't mention the race of the suspect, then you can assume that it'll be a victim class (as defined by Progressives) almost all the time.

  10. Bugs are still a thing by sjbe · · Score: 2

    The "technology" behind this is neural networks. How do they reflect bias at al?

    Several ways but the two most straightforward are Bad training data and Bugs. Bugs are an issue in ANY software and neural networks are no different and bugs can result in biases. And of course train it with bad data and you'll get biased results. We've seen examples of both cases.

  11. Re:Standard techie mental disorder. by Anonymous Coward · · Score: 0

    >The technology reflects the biases of its inventors and the society it was invented in.

    You think so? I wonder how accurate a facial recognition program developed by a software development company located in a predominately black African populated country like Nigeria would compare to Amazon's. Would it have the same biases of its inventors and the society it was invented in? Would it be more accurate in detecting and distinguishing between black people's visages since the software was developed by African blacks? Or do you think it would produce about the same results that Amazon's version did? I think it would be the latter.

  12. Non-thinking AI imitates life (in this case) by Rick+Schumann · · Score: 1

    Our species has not evolved past bullshit like racial bias therefore the shitty excuse for AI we have, that has zero capability to think for itself, only reflects who we are like a perfect mirror: humans are racist, therefore the shitty AI is racist, too, and there's no fixing it, any attempt to make it unbiased will just be scoffed at and devalued by the assholes among our species that has embraced racism; they'll dismiss it as 'liberal bias'.

    1. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0

      >Our species has not evolved past bullshit like racial bias

      LOL, "our species" being white people? Or are you implying blacks are unable to distinguish differences between the faces of black people as well because of racial bias? Or maybe you mean to blacks all white people look alike?

    2. Re:Non-thinking AI imitates life (in this case) by Rick+Schumann · · Score: 1
      SO MUCH projecting!

      'Our species' == homo sapiens. Prove me wrong; I see clear evidence of it every single day in the news.

      ..but Rick, not all humans are racist!

      Sure. But it's far from being stamped out now isn't it?

    3. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0

      u is racist, just admit.

    4. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0

      Weak bait

      Lurk moar.

    5. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0

      Nah, must expose racists.

    6. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0
    7. Re:Non-thinking AI imitates life (in this case) by Anonymous Coward · · Score: 0

      Hey, nice link. /b/ was a little too wild and unfocused, but that "board" /pol/ seems pretty interesting. Thanks for the link, anon. I can certainly incorporate some of the stuff on 4chan into my posts here on /. You have my gratitude, babe.

  13. Why this? by OneHundredAndTen · · Score: 1

    Another step toward a tyrannical, Big Brother-like society, and all preceded, as usual, with the excuse of fighting crime. Google, please stick your Face ID system you know where.

  14. Re:Standard techie mental disorder. by Anonymous Coward · · Score: 0

    Crime statistics such as black people being falsely arrested at SIGNIFICANTLY higher rates than white people for the same crimes, those statistics?

  15. That is not right by SuperKendall · · Score: 3, Interesting

    the two most straightforward are Bad training data

    Which is not inherent in the technology as I've pointed out in every post.

    and Bugs. Bugs are an issue in ANY software and neural networks are no different and bugs can result in biases.

    That reflects a lack of understanding of how neural networks work. They actually are not buggy themselves as they are very simple; all bugs are entirely represented in training data and testing, not in the software itself. You put something in the black box and it classifies it in some desired way, the way the box works is all about the training data.

    Furthermore it's a bit odd to claim bugs are a kind of "bias" as usually they are more about failure than bias...

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
    1. Re:That is not right by Anonymous Coward · · Score: 1

      I would suggest that dark skinned people are harder for cameras to pick up clean details, without great lighting many details are lost in the noise leading to much porer results.

    2. Re:That is not right by liquid_schwartz · · Score: 2
      You're wasting your time arguing with idiots. How do you know an idiot? Look for those who jump to an -ism, especially racism, as the cause of something bad. Indeed those idiots are arguing that math itself is racist. They will never be satisfied and cannot be reasoned with as logic is also racist being a form of math.

      Citation:

      https://www.independent.co.uk/...

  16. Physics is racist by argStyopa · · Score: 4, Insightful

    It's harder to see the contours of a dark-colored shape (ie a face) than a white one.

    Seriously, people, how are we going to get around that?

    --
    -Styopa
    1. Re:Physics is racist by Anonymous Coward · · Score: 0

      Black Shapes Matter (BSM). They'll block the intertubes much like they do the highways with their misdirected protests.

      Seriously though, as already mentioned, using IR and other non-visible wavelengths may be the solution.

    2. Re:Physics is racist by PolygamousRanchKid+ · · Score: 1

      Seriously, people, how are we going to get around that?

      New makeup requirements for everyone:

      https://en.wikipedia.org/wiki/...

      --
      Schroedinger's Brexit: The UK is both in and out of the EU at the same time!
    3. Re:Physics is racist by Anonymous Coward · · Score: 0

      If you're building a Face ID system, then you need to split your R&D budget 1% on white faces, and 99% on black faces, so that the accuracy in both cases is comparable.

      The problem is companies that already spent $10M on white face identification. Now they're confronted with the prospect of having to spend $990M on black face identification to fix bias. They don't know what to do.

      I guess they could artificially reduce white face ID accuracy. "Undoing work" is not unheard of. Some nuclear enrichment plants produced too much weapons-grade uranium, and they had to dilute it for civilian use.

    4. Re: Physics is racist by Anonymous Coward · · Score: 0

      Black Dark Shapes Matter (BDSM)

  17. Bugs by sjbe · · Score: 1

    Which is not inherent in the technology as I've pointed out in every post.

    It most certainly is. Go ahead and try to make a useful neural network without any data to train it on. What you'll have without the training data is a good approximation of a boat anchor. And making sure you have an unbiased data set is FAR from trivial.

    They actually are not buggy themselves as they are very simple;

    Being simple does not equal being bug free. Even simple devices and simple programs can and do have bugs.

    You put something in the black box and it classifies it in some desired way, the way the box works is all about the training data.

    That is only true if there are no flaws in the design and implementation of the box.

    Furthermore it's a bit odd to claim bugs are a kind of "bias" as usually they are more about failure than bias...

    Bias is favoritism against one thing, person, or group compared with another. It does not have to be intentional nor does it have to reflect any negative attitudes. You can introduce a bias into a device (including a neural network) or a bit of software via a bug. This is not a question.

    1. Re:Bugs by sjames · · Score: 1

      To enlarge on that, even trying to create an unbiased data set can accidentally bias the data set. For example, should the racial mix of the training set be similar to the distribution in the population? You could accidentally undertrain it for some races resulting in the technological version of "they all look alike to me" BECAUSE you tried to make the training set unbiased.

      It is thought that the same thing happens to the neural net between our ears for people who live in a more homoginous population. No problem distinguishing between people in that population, everyone else all looks alike.

  18. Re: Standard techie mental disorder. by Anonymous Coward · · Score: 0

    Literal non issue, coding takes far more effort than that which can be supplied by the race at the left end of the IQ bell curve.

  19. Tha's a pretty bad argument by SuperKendall · · Score: 2

    Given that clearly there isn't a set of "right training data" available>

    Apple got this right, but you are right that generally there is not a "right training set" for facial recognition.

    There cannot be though because it all depends on what you are trying to do. What is right for one purpose would be wrong for another.

    Your argument is circular. You say the technology has no bias but proving that it has no bias requires feeding it an unbiased data set

    That reflects a total lack of understanding of neural networks and facial recognition. It provably has no bias because it can and is applied to anything, it's simply to general in nature to have any bias. It's like claiming electrons have a bias as to the humans they prefer... it makes no sense.

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
  20. Re: Standard techie mental disorder. by Anonymous Coward · · Score: 0

    yeah, yeah race realist, but I'm talking about a thought experiment that would show that the problem with the software doesn't have anything to do with racial bias, but everything to do with the physics of light, shadow, color and shape.

  21. Match Confidence Levels by SmaryJerry · · Score: 2

    They are reporting this as if the false positives are either matches or not match. In reality, there are associated levels of confidence, and a match is likely anything more than 95% confidence. Less light means there is more similar data in a photo. What they really need to do is run a different confidence level on faces that reflect less light. Maybe even run a completely separate facial recognition algorithm so the accuracy of the better data is not muddying the confidence levels of the worse data.

  22. What's the problem? by Anonymous Coward · · Score: 0

    If you look at crime statistics, blacks account for a proportion of crime that is far in excess of their proportion of the general population.

    Maybe if they start behaving more like whites and asians then they'd start getting ahead more.

    Also interesting to note that black migrants from Africa are far and away outperforming "native" blacks.

  23. Face ID by Anonymous Coward · · Score: 0

    Star you ID card. The number of the beast at least now there is no doubt who the beast is.

  24. It likely never will by Anonymous Coward · · Score: 0

    It will never be fool-proof enough to be autonomous, neither will any other form of 'AI'. The sooner engineers accept this reality, the sooner tools could actually be tailored to be useful.

  25. Re: Standard techie mental disorder. by Anonymous Coward · · Score: 0

    I heard there is this new search engine called google. Give it a shot. Or, you know, step outside your bubble, the. You would realize cops have been beating and arresting black people for no reason since the 60s.

  26. Re: Standard techie mental disorder. by Anonymous Coward · · Score: 0

    That'd be a big fat NO then...

  27. Re: Standard techie mental disorder. by sexconker · · Score: 1

    I looked, I couldn't find any actual data corroborating the claim.

    The actual FBI crime stats are easy to get to.

  28. What the hell by Anonymous Coward · · Score: 0

    is a "people of colour"