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James Y. Wilson's avatar

Using the Kinect Sensor to Calculate Body Segment Angles


In December of last year I heard that Microsoft was providing a Kinect sensor for use in the FIRST Robotics Competition’s “Kit of Parts”. For those of you who are not familiar with this competition, it is an annual event for high school students to build a robot capable of solving a problem which varies from year to year. Back in 2008, I volunteered as a judge in a FIRST Tech Challenge and I never forgot the experience of seeing so many young people so excited about an engineering and scientific event. As an inveterate software engineer and amateur robot researcher who uses many different Microsoft technologies, I decided to investigate the Kinect sensor and the SDK Microsoft provided to exploit its capabilities. My thought was that I might learn something myself, while creating an example of how to use the SDK for the basic function of determining the angle between body segments of the person being tracked by the Kinect sensor. Since the Kinect sensor is designed to perform “skeletal tracking,” this is well ...

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  1. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Hi Mr.James Thank you for this useful information. I just have problems in downloading the code. I...

    -- Senior Student

  2. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    i´m new in this kind of project with the kinect and i´d like to check your program, because i want to...

    -- sandra

  3. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Thanks Mr. james for the reply, I'm very grateful with it. Do you mean that I should create a virtual...

    -- Sundae

  4. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    You could just initialize the vector vectorJoint1ToJoint2 with a static value the describes the dimensions...

    -- James Y. Wilson

  5. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    You could just initialize the vector vectorJoint1ToJoint2 with a static value the describes the dimensions...

    -- James Y. Wilson

  6. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Hi all, I understand that this work fine if we can have 2 vectors from the 3 joints position. But what...

    -- Sundae

  7. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Hello Browniee, Yes, ankle and knee segments are included in the skeleton. You can actually see these...

    -- James Y. Wilson

  8. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Hi Jim, Love to see more posting like this from you :)

    -- Sam

  9. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    is this possible with SDK v1.5.0 and can i also manipulate this to get angles for the knee and ankle...

    -- Browniee

  10. Re: Using the Kinect Sensor to Calculate Body Segment Angles

    Hello Sriram, You should download the complete SkeletonAnalyzer project file and build it to verify...

    -- James Y. Wilson

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