Processing Face Features

The detectFacesTouched: method in ICFViewController will iterate over the found faces, and will visually highlight them in the source image, as shown in Figure 19.7. The method will also log detailed information about each face feature to a text view in the display.

Image

Figure 19.7 Sample app: detect faces.

For each face, the method first gets a rectangle to position the red square around the face.

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CGRect faceRect =[self adjustCoordinateSpaceForMarker:face.bounds                           andHeight:detectImage.extent.size.height];

To determine where to draw the rectangle for a face, the method ...

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