Noise Sensitivity Analysis for Shape from Focus Methods

Jenn-Kwei Tyan

Shape from focus (SFF) methods provide a useful technique for passive autofocusing and three-dimensional (3D) shape recovery of objects. In these methods, focus measures are used to extract 3D information from a sequence of images taken with different camera parameters such as lens/object position or focal length. The accuracy of autofocusing and 3D shape measurement using the image focus analysis technique depends on the particular focus measure that is used.


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