TECHNIQUES FOR WAVELET-BASED IMAGE DISPARITY ESTIMATION

摘要

Various embodiments are generally directed to repeated use of wavelet filters with different directional orientations each time to detect distances to edges in different directions in deriving a disparity map from multiple image bitmaps. A method includes subjecting an image bitmap to a first-order wavelet filter a selected number of times, an orientation of the first-order wavelet filter altered each time to create a first set of intermediate maps; and subjecting the first image bitmap to a second-order wavelet filter the selected number of times, an orientation of the second-order wavelet filter altered each time to create a second set of intermediate maps; the first-order and second-order wavelet filters, as well as their orientations, selected to be mathematically related such that the first-order wavelet filter approximates a sine function and the second-order wavelet filter approximates a related cosine function, both masked by a Gaussian. Other embodiments are described and claimed.