Visual Hand Tracking Using Occlusion Compensated Message Passing

4:43 am 立體追蹤 (3D Motion Tracker)

透過手部運動關係.進而尋找其手部的關聯性graspinghand.jpg

結構上,手部機近16個物件組合: 3個連接手指與拇指如手掌。這個 CASE手部模型簡化了二次曲面(橢面圓錐形圓柱面)去修正手部的尺寸。上方圖片先尋找手部初略輪廓Edges,右下圖片再經過原來的影像,右下2圖垂直軸旋轉35-70度之後輪廓。handgraphs.jpg

透過手部慣性,手部結構狀態與動態的系統參數執行:左圖為Hand運動的系統參數由各個關節點連接部同部位的手部物件,再根據手部結構上的系統參數對應手掌面()。最後將手部運動的系統參數與相關的手部姿勢關係連接,再與後面出現影像的Frames上,便可擷取影像上的模型參數。

作者:

Erik B. Sudderth, Michael I. Mandel, William T. Freeman & Alan S. Willsky

http://publications.csail.mit.edu/abstracts/abstracts05/sudderth/sudderth.html

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戲偶的操作模式的手部追蹤. 透過相類似概念進行手部運動的系統參數建立.有機會可以進行及時追蹤.但目前靈敏度還是有待觀察

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