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Jonathan Clark
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The following demo uses cvHaarDetectObjects to find a face in a video frame, then nearby SURF features are selected to track across subsequent frames. By limiting the area to of the frame to calculate SURF features and by using SURFGPU to accelerate the algoirthm, the total time per frame is... Continue reading
Posted Jan 15, 2012 at InnerScene Blog
Recently I have been researching various head tracking methods. OpenCV offers a few options includingCamshift and HaarDetectObjects. A good explanation of Camshift can be found here. While Camshift has low CPU overhead it is sensitive to lighting conditions and skin color. HaarDetectObjects on the other hand is relatively expensive to... Continue reading
Posted Nov 7, 2010 at InnerScene Blog
InnerScene is a non-profit R&D organization which aims to create realistic virtual scenery for building interiors. InnerScene is combining new graphics technologies to achieve animated virtual views that automatically update perspective information based on the user's head position. A few of the technologies being studied for integration into this project... Continue reading
Posted Sep 13, 2010 at InnerScene Blog
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Sep 13, 2010