WHY PRE PROCESSING??

by barkkathulla 2012-09-21 14:23:23

<font color=#00334D>pre-processing faces</font>
We identify distinct face features such as the eyes, nose etc. A warp is performed by triangulating the image based On these features, and mapping the vertices of the triangle to the standard shape. The color of each pixel at given barycentric coordinates remains the same after this warp (see figure 4).We aim to find 20 distinct points on the face. These include the corners of the eyes, tip of the nose, nostrils, corners of the mouth etc. In profile faces where these features are occluded only the visible features are sought.
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