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PornHub Uses Computer Vision To ID Actors, Acts In Its Videos ( 135

Baron_Yam shares a report from TechCrunch, which details PornHub's use of machine learning to ID actors and acts in its videos: The computer vision system can identify specific actors in scenes and even identifies various positions and attributes. While it is obviously very difficult to describe the feature set for a family audience, the system can identify individual performers in real time -- in the demo here it recognizes one performer even from the side -- and it can also identify sex acts. Facial detection is nothing new, even for mobile devices, but this system goes one step further by categorizing videos and images based on various attributes. This means you'll be able find favorites by name or characteristics, a feat that once require prodigious amounts of data entry.

"So far we've used the model on about 500k featured videos which includes user submitted and we plan to scan the whole library in the beginning of 2018," said Price. "Very shortly, the technology will also be used to detect various sex positions / categories and be able to properly tag them as well."

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PornHub Uses Computer Vision To ID Actors, Acts In Its Videos

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  • Idea! (Score:5, Interesting)

    by Comen ( 321331 ) on Wednesday October 11, 2017 @06:11PM (#55352689)

    Now all they need to do is develop an App where you upload a picture of a girl you took a picture of and it finds the closest porn match! = $

    • Re:Idea! (Score:5, Funny)

      by Northdot ( 1585317 ) on Wednesday October 11, 2017 @06:19PM (#55352739)

      Scarily, once they have their database, that is completely possible if you're talking a facial match. Facial. hehe

      • by Comen ( 321331 )

        Yes it would mostly be a facial match I think, just find girls that are close enough so you can watch porn of a girl kind of like the one you got a thing for at work or errr something :) HAHA

        • by lucm ( 889690 )

          One time a techie at work was fixing the laptop of a manager and found a directory named after a female coworker. It contained multiple p0rn images and video featuring women that somehow looked like that female coworker. I guess this is a thing for some people.

      • I must say the combined phrases "it can also identify sex acts. Facial detection is nothing new, even for mobile devices" had me puzzled for a fraction of a second, there. What? There are mobile apps that identify facials?... Oh, faces, right.

    • Re: (Score:3, Funny)

      Well, that was creeptastic. Enough slashdot for today, I think.
    • by Anonymous Coward

      Closest porn match is... not a hotdog.

    • Or check to see if she's ever "modeled" in the past.
      • by AmiMoJo ( 196126 )

        4chan et al. have been doing this for years as a way to harass and dox people. If they can't find anything they just post someone similar looking and claim it's the victim.

        Surprised there have not been more lawsuits yet, over firings for misidentification.

        I predict the supply of amateur porn will dry up fast too. The promise of relative anonymity and obscurity will deter people.

    • Reminds me of app idea I once had that would basically be crowd-sourced stalker. Just take pic of someone on street and upload to StalkerCloud, and StalkerCloud spits out all the possible matches with date and geo stamps.
    • Not only that, in the [near] future they could create a 3D model based on your submissions and offer VR sessions. Creepy :P

    • Looking for big bucks? Marry their database to the one from xing, linkedin and so on, then mail the pornhub links to the xing links. Then promise to not send that link to their boss if they find a way to convince you.

    • I have a friend who is a dead ringer for an adult film actress.

      She doesn't think the resemblance is quite so strong but one day, I showed her husband a picture of the actress in question and he started laughing. He agreed that they looked nearly identical.


    • by Julz ( 9310 )
      Would that then be "Pornbook"?
  • What could possibly go wrong when that AI becomes sentient and tries to take over the world? =) Perhaps the fear that an AI gone mad may end human civilization as we know it isn't overblown? It would be a "sexy end" for sure... but an end nevertheless.
    • If a sentient AI ever exists thanks to watching porn, the first thing it will do is scan all of the Internet for alternate entry points, i.e. backdoors.

      • Thanks to Amazon's new drone delivery efforts, the AI will also be able to send real stuff to your back door.
  • Innovation (Score:5, Insightful)

    by budsetr ( 4952293 ) on Wednesday October 11, 2017 @06:14PM (#55352697)
    Porn! The driving force of innovation on the internet!
  • by Weaselmancer ( 533834 ) on Wednesday October 11, 2017 @06:15PM (#55352701)

    Porn has always led the industry. Always.

    • Re: (Score:2, Funny)

      by Anonymous Coward

      Just the tip, though.

    • ...except for spelling and grammar checking. Porn has completely ignored that technology.
    • Porn has always led the industry. Always.

      Which is why we all have HD-DVD players in our homes now.

      • by lucm ( 889690 )

        we all have HD-DVD players in our homes

        True, I keep mine next to the oil lamp on the icebox.

    • Porn has always led the industry. Always.

      Sure. lots of innovation comes from porn. My concern is the next place tech like this leaps, to facebook, or instagram, or Security Cameras in public places.

    • by lucm ( 889690 )

      Porn has always led the industry. Always.

      Not sure about that. Take search for instance; pornhub is running behind in that area. They're even worse than Youtube. Just the other day I was looking for softcore midget furry domination videos, and for some reason 2/3 of the results were about stepdaughters or stepsisters.

    • by zifn4b ( 1040588 )

      Porn has always led the industry. Always.

      There's a documentary called "How Beer saved the World" that explains a significant driving force behind the evolution of agriculture to mass produce beer. There ought to be a new documentary made called "How Porn saved the Internet" to tell a similar story.

  • is what computers are for!

  • How fast before they add a "find your wife/daughter/mom/ex" option?

    No need for a male option. You can tell the guys just by their bragging.

    • Don't forget "find your horse, donkey, goat or sheep". =) No porn search option in 2017 would be complete without that capability.
    • by lucm ( 889690 )

      How fast before they add a "find your wife/daughter/mom/ex" option?

      No need to wait! If you want sex videos of your mom I can send you a private url.

  • Sorry, read that as facial defecation. As you were.

  • by ClickOnThis ( 137803 ) on Wednesday October 11, 2017 @06:24PM (#55352775) Journal

    Internet Rule 34. That is all.

    • by AdamStarks ( 2634757 ) on Wednesday October 11, 2017 @07:15PM (#55353009)

      That rule refers to porn about things; this is merely a thing about porn. But lemme help you out there:
      He rubbed his eyes, wondering what time it was. Suddenly the lights came on, blinding. Billy fell out of his chair in surprise, and heard Jenny exclaim "Oh, so sorry! I didn't know someone would be in the PornHub office this late. I'm just here to clean". Rolling onto his belly, Billy strikes a sexy pose, and says with a wink "It's okay, you might actually be able to help me out. See, I'm writing a system to detect various kinds of sexual acts and poses, and, well, it needs training data".

    • by Anonymous Coward

      Although this isn't quite what you'd call rule34, it is relevant to the discussion here. There are *many* R34 related sites that would love to have an AI that could scan, categorize and tag things that are uploaded on them automatically.
      Unfortunately, this might as well be the ultimate Turing test for machine vision at this point. ID'ing porn of a few known people and positions is easy. ID'ing porn of something that could be anything is several orders of magnitude harder.

  • by JohnFen ( 1641097 ) on Wednesday October 11, 2017 @06:30PM (#55352805)

    Finally, someone is putting this tech to a task that is both helpful and not destroying uninvolved people's privacy!

  • ... porn identifying AI watches YOUR sex acts.
  • by dave562 ( 969951 ) on Wednesday October 11, 2017 @06:51PM (#55352901) Journal

    So PornHub has the "AI" trained to recognize the sex positions. Google and Amazon have the cameras in the bedrooms (and other parts of "private" residences).

    What could possibly go wrong?

    America's most anally active zip code?

    Which neighborhood in America is best for 3-somes?

    Is missionary /really/ the most common position in America?

    • "America's most anally active zip code?

      Which neighborhood in America is best for 3-somes?

      Actually we are already running the data. Turns out my own zip code is the best for females who enjoy anal and threesomes.
    • by swb ( 14022 )

      Amazon used to make available data on where a thing you were browsing was popular. I mostly remember books, and they would tell you the regions or areas where it was being sold. "#1 In Minneapolis, #5 in Cambridge" that sort of thing.

      If they still had that, you could figure out where sex lube was most popular and grant that area the anal capital of america title.

    • by ghoul ( 157158 )

      Amazon has a camera pointed at your bed. So when you are about to go from foreplay to intercourse and are desperately searching for a condom in your drawer and not finding one you will hear your NEST doorbell go off and an Amazon Delivery drone will come to your bedroom window with a pack of condoms and you can say "Yes Alexa I would like to purchase this item". See AI makes your life easy. (And creepy but focus on EAAAASYYYY)

  • by sootman ( 158191 ) on Wednesday October 11, 2017 @06:54PM (#55352915) Homepage Journal

    "... the system can identify individual performers... and it can also identify sex acts."

    So it can do facial detection and, um, facial detection?

  • This must be a big part of it.
  • The biggest issue is categorizing the video/images to create the training set. I am using Convolutional Neural Net to categorize the images.
    here is a good primer []
    • They could also use a captcha system like Google did for identifying street names and house numbers to train their algorithms. To confirm you're not a robot, identify this sex act...

    • by worf_mo ( 193770 )

      While searching for a generic image classification solution I happened to stumble over a project called miles-deep [], a "Deep Learning Porn Video Classifier/Editor with Caffe". I have tried it out once (for strictly academic purposes, of course) and it yielded some interesting results. The classification of the acts from a test movie was not perfect, but some of the classifications were correct. It even gave information about what time into the movie a defined act started and when it ended. The project's auth

  • by HiThere ( 15173 ) <charleshixsn@ea r t h l i n> on Wednesday October 11, 2017 @07:44PM (#55353149)

    Once they've got that database recorded and classified, the next step is clearly to create composites, i.e. "original" performances.

    Please note this doesn't even take a real AI. Not even a narrow AI. The AI is needed to classify the images, but they've already separated recognition of the particular actions from the individuals involved. Now they can mix the thematic elements in multiple different combinations, and let the audiences decide which compositions are most successful.

    • by AmiMoJo ( 196126 )

      Since 99% of the content on PornHub is infringing copyright, maybe that's their ultimate goal. Kinda like Uber, start off ignoring the law and hope to develop something legal before you get sued and regulated into oblivion.

      • by HiThere ( 15173 )

        It wouldn't even need to infringe least not in any detectable way. If you morph 3 images of people together properly the resultant figure is still apparently human, and often even a bit more aesthetic, because more symmetrical, but not recognizably any one of the original sources. You can't copyright a plot, because all plots that people can enjoy existed long before copyright laws. Etc.

        The thing is, this is a very small wedge of human activity, which is rather limited in it's variety, so

        • There's already software out there that will take a camera input and apply another person's facial features to the feed, in real time. And other software directors are using to 'correct' takes by altering an actor's expression digitally.

          Realistic artificial porn is not too far off, and at some point you'll be able to submit your desired parameters and have your computer locally generate whatever you desire, instantly.

          It'll probably take longer to replace actors, because porn generally doesn't require much

  • by jsrjsr ( 658966 ) on Wednesday October 11, 2017 @08:04PM (#55353217)
    And I was getting so good at recognizing actresses, too!
  • Expect someone to figure out how to use this system to send a bunch of takedown notices of their material that they couldn't find before due to mis-labeling of the vids.

  • by CanadianMacFan ( 1900244 ) on Wednesday October 11, 2017 @08:50PM (#55353399)

    They have even taken over watching porn now.

  • If they used the model on a sample of 500k videos and will only start to scan the whole library next year I wonder how many videos they have.

  • by JustAnotherOldGuy ( 4145623 ) on Wednesday October 11, 2017 @09:31PM (#55353575)

    "PornHub Uses Computer Vision To ID Actors, Acts In Its Videos"

    Science Marches On (driven by the unquenchable desire for more boobies)

    What a time to be alive.

  • Need I say more.

  • by rsilvergun ( 571051 ) on Wednesday October 11, 2017 @09:49PM (#55353621)
    lets say you did some things your not proud of when you were a young. Suddenly it becomes a whole lot easier for somebody to dig that stuff up.
  • Before Apple got the face recognition part working, the beta required striking specific 'poses' to unlock your phone. Not recommended on a subway.
  • From the summary:

    Facial detection is nothing new, even for mobile devices,....

    I call BS!

    I just gave my girlfriend a facial and did my iPhone detect it? Did it fuck.

    I want my money back! Do you hear me Tim Cooke?


    • 1. Don't own a mobile device let alone an iPhone.
    • 2. So old and decrepit, can only get an erection with assistance of a couple of splints and a roll of duct tape.
    • 3. Haven't had a girlfriend in years, you insensitive clods. (See 1 & 2)
  • The software is able to identify with 100% reliability that some form of sexual activity is performed in every single video hosted by the site.

  • by DrXym ( 126579 ) on Thursday October 12, 2017 @04:55AM (#55354459)
    "I wrote the routines for PornHub for classifying enema and adult diaper changing porn."
  • What about when they do an intro scene in a public place. They do not always hide the faces of non-actors. Does that mean you might be tagged as being in a Porn movie?

  • It would be great for the sight impaired to develop this technology into live narration.
    And develop sexy robot voice to go with it.

  • ... just outsourcing all these things to /r/tipofmypenis

  • No more pouring over 1000s of videos looking for that one actor in that specific position.
  • I lol'd.

When a fellow says, "It ain't the money but the principle of the thing," it's the money. -- Kim Hubbard