How the Kinect Depth Sensor Works in 2 Minutes

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  • Опубліковано 14 жов 2024
  • The kinect uses a clever combination of cheap infrared projector and camera to sense depth.
    References:
    • Video
    www.google.com/...
    campar.in.tum.d... (p. 33)
    en.wikipedia.or... (Stereo triangulation)

КОМЕНТАРІ • 46

  • @zhang28155
    @zhang28155 11 років тому +25

    I can hardly find a word to express how much you have helped in my research study using kinect.
    Thank you!

  • @CuriousInventor
    @CuriousInventor  11 років тому +14

    Glad it helped! The best thanks is a link to this video from a website or forum.

  • @CuriousInventor
    @CuriousInventor  11 років тому +8

    I believe the important thing about the pattern is that it's random, so that the camera can differentiate between groups of specs. The broader term for this is "structured lighting". Google Structured-light_3D_scanner

  • @Bezeoner
    @Bezeoner 11 років тому +3

    I've checked your channel and can confirm, you're a genius.

  • @CuriousInventor
    @CuriousInventor  11 років тому +6

    Good clarification. Should have said irregular pattern instead of random. I wonder if the dot pattern is the same on each one, or they're all calibrated to their own pattern.

  • @AndersGustafsson87
    @AndersGustafsson87 10 років тому +6

    incredibly well explained and simple video.

  • @CuriousInventor
    @CuriousInventor  11 років тому +2

    SketchUp, Bamboo Tablet, Serif DrawPlus, CamStudio. All the drawing scenes are usually sped up during the editing process.

  • @DilipLilaramani
    @DilipLilaramani 9 років тому +7

    Thanks, you're a good presenter. Simple & Concise :)

  • @CuriousInventor
    @CuriousInventor  11 років тому +2

    Totally guessing here, but I suspect there's some variance in the manufacturing, and that each unit gets calibrated at the factory.

  • @tanajikamble13
    @tanajikamble13 9 років тому +7

    Please let me know how kinect comes to know the angle of speckle pattern pattern..?

  • @exnol
    @exnol 11 років тому +1

    Good one. Can you tell me what software you are using for the drawings?

  • @alaaabd2598
    @alaaabd2598 10 років тому +1

    Good! Easy to understand the theory.....can you tell me how can i used it with matlab?

  • @carlandj
    @carlandj 11 років тому +1

    One way to use 2 Kinects is to have one Kinect shaking side to side while the other one is still. The dots of the moving camera will look stationary to that camera while the other camera's dots are blurred and vice versa. V Motion Project did this. They also used one computer for each camera.

  • @poltergeistish
    @poltergeistish 10 років тому +1

    Very clear and concise. Great ! Thanks !

  • @iAnimationProduction
    @iAnimationProduction 10 років тому

    hows does an IR sensor help to calculate the depth better compared to a secondary camera? Can you please explain that part again?

  • @Grazfather
    @Grazfather 11 років тому

    So you're saying somehow the lights are randomized (the leds are moved somehow), then that it's recalibrated? No. The pattern is predetermined. It might have been random at some point, but I doubt it.

  • @jayeshkurdekar126
    @jayeshkurdekar126 3 роки тому

    Thanks for your knowledge

  • @sd4dfg2
    @sd4dfg2 11 років тому

    Do all units have the same fixed speckle pattern, or is it learned after it's created?

  • @OptimusPrimeTime
    @OptimusPrimeTime 11 років тому

    Do you know if the Asus Xtion series of depth sensors work the same way? Would they have the same limitation of a single sensor in a room?

  • @bluemeat8299
    @bluemeat8299 10 років тому

    so does the camera recognise each part, ie the sectors in the red grid example, via unique speckle clusters?

  • @fknrdcls
    @fknrdcls 11 років тому +1

    Fantastic! I knew there was a reason I subscribed!

  • @steamcastle
    @steamcastle 11 років тому

    you can use multiple kinect, main problem is that the usb bandwidth is to high for two kinects, on one computer

  • @WerewolfSlayer91
    @WerewolfSlayer91 9 років тому

    But lets say i was to take out the cameras from the kinect and make a diffrent distance between the cameras that will affect the andgle right? so it won't be able to recreate the image?

  • @MaestroMinito
    @MaestroMinito 11 років тому

    Good! Easy to understand the theory!!

  • @ma888u
    @ma888u 8 років тому

    Thank you very much! This was a very helpful video!!! ;-)

  • @Grazfather
    @Grazfather 11 років тому

    It's not random. It appears random but the device has to be aware of the pattern it is casting.

  • @tsw_hussen3635
    @tsw_hussen3635 9 років тому

    wonderful thank you for explain

  • @andresleon8893
    @andresleon8893 10 років тому

    Thank you!

  • @Heavenlydreamer
    @Heavenlydreamer 8 років тому

    Thank you

  • @magicbuskey
    @magicbuskey 11 років тому

    thank you! that was great!

  • @marbleshark6
    @marbleshark6 11 років тому

    There is no such limitation with either...

  • @RandomDigits
    @RandomDigits 11 років тому

    Cool

  • @naitB
    @naitB 11 років тому

    subbed!

  • @qinggengzhuang5950
    @qinggengzhuang5950 8 років тому +1

    I thought it was a time-of-flight lidar.

    • @CuriousInventor
      @CuriousInventor  8 років тому +4

      +Qinggeng Zhuang new one is ToF, old uses triangulation.

  • @VoltzLiveYT
    @VoltzLiveYT 10 років тому

    ***** That doesn't work, just like before the two kinects would confuse each other and wouldn't be able to triangulate points

  • @diamony123
    @diamony123 10 років тому

    What if i told you, you don't need depth-sensor or any software.....well i just did...but will i tell you how...that's a billion dollar answer..but i'll take a couple hundred million. my name is not 4D for no reason

  • @tanajikamble13
    @tanajikamble13 9 років тому

    Please let me know how kinect comes to know the angle of speckle pattern..?

  • @robstorms
    @robstorms 11 років тому

    Very clear and concise. Great ! Thanks !