发明名称 |
Method and apparatus for providing a mechanism for gesture recognition |
摘要 |
A method for providing a mechanism for gesture recognition may include causing down-sampling of image data received to generate down-sampled image blocks for a plurality of image frames, causing extraction of a plurality of features from the down-sampled image blocks, determining a moving status of the down-sampled image blocks based on changes in values of respective features in consecutive frames, and determining a direction of motion of an object in the image data based on movement of a first border and a second border of a projection histogram determined based on the moving status of respective down-sampled image blocks. A corresponding apparatus and computer program product are also provided. |
申请公布号 |
US9196055(B2) |
申请公布日期 |
2015.11.24 |
申请号 |
US201013996751 |
申请日期 |
2010.12.31 |
申请人 |
Nokia Technologies Oy |
发明人 |
Wang Kongqiao;Xu Lei;Li Jiangwei;Liu Yingfei |
分类号 |
G06T7/20;G06K9/00;G06K9/46 |
主分类号 |
G06T7/20 |
代理机构 |
Alston & Bird LLP |
代理人 |
Alston & Bird LLP |
主权项 |
1. A method comprising:
causing down-sampling of image data received to generate down-sampled image blocks for a plurality of image frames; causing extraction of a plurality of features from the down-sampled image blocks; determining a moving status of the down-sampled image blocks based on changes in values of respective features in consecutive frames; determining, using a processor, a direction of motion of an object in the image data based on movement of a first border and a second border of a projection histogram determined based on the moving status of respective down-sampled image blocks, wherein determining the direction of motion comprises determining a non-moving block based on the moving status of connected neighbor blocks; and verifying a detection of movement of the object based on color histogram analysis, wherein the verification of the detection of movement comprises dividing one or more frames into a predetermined number of regions and sub-regions, determining a three dimensional histogram corresponding to each of the predetermined number of sub-regions, and down sampling one or more channels corresponding to the three dimensional histogram. |
地址 |
Espoo FI |