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  • Fun Fun Fun

    Fun after doing serious recording
    • https://players.brightcove.net/1362235890001/default_default/index.html?videoId=4516776630001
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  • Raise Your Hands !

    Problem Statement Goal of this project is to detect raised hands of the students in the classroom in real-time. It would not only assist Teachers to find what doubts do the students have but also help fellow students to get more clarity of the material…

  • Blog #8: Fun Time

    Obviously no project is complete without having fun, here is the video of our "Raising Hands Dance Move" We should be awarded just for doing this Thanks to all the participants (from front left to back right): Myself, Atul, True, Hyo Jin, Jared and Akash…

  • Blog #7: Results and Observations

    I've not done full analysis of the results, but the current results are quite promising. I was able to detect almost everyone (except when someone blocks his/her face by hand). Raised hands are also detected properly as long as the student doesn't use…

  • Blog #6: Hand Detection Module

    From the previous module, we know where the students are sitting. So we have rough estimate of the hand location of each student. Challenges: 1. Students sitting in front of the classroom appear bigger than the students at the back, so the size of the…

  • Blog #5: Face Detection

    Motivation : Next step is to detect the number of students in the class. This step is important to reduce the reduce the domain of looking for raised hands as only the students can raise their hands and if we know the face location of each student it…

  • Blog #4: Pre-Processing Stage

    An Image frame contains a lot of information ; color for each pixel , edges of every object, objects inside the field of view. Sequence of these images (which is a video) gives a temporal information of all the above characteristics which is also very…

  • Blog #3: Image Acquisition

    In any Computer Vision project, 'Image Acquisition' is considered as a very important stage. To many it sounds like a step which is the easiest, but if you don't give good attention to the details it can create lot of troubles later. Some important aspects…

  • Blog #2: Flow Diagram

    To detect the raised hands, I need to go through a sequence of steps which is shown the the following flow diagram. I'll go over each of them in detail in next blogs. Overall, the steps are in following order 1. Image Acquisition 2. Pre-processing of…