A comparison of some predictors of stereoscopic match correctness

Val Petran; Frank Merat

doi:10.1117/12.918893

7 May 2012 A comparison of some predictors of stereoscopic match correctness

Val Petran, Frank Merat

Proceedings Volume 8399, Visual Information Processing XXI; 83990S (2012) https://doi.org/10.1117/12.918893
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Previously we introduced the concept of continuous quantification of uniqueness, as a general purpose technique designed to be applicable to any situation in which there is a need to decide which of several equally effective objects to choose for a task, that requires recognition of the chosen object, in a variety of contexts, by comparing attributes which contain a non trivial amount of context dependent variability. We defined that uniqueness assessment as an algorithm that computes a fuzzy set membership function that measures some but not all aspects of the probability that the sought after object will not be confused with other objects in the space being searched. We evaluated the usefulness of that concept by experimentally assessing the extent to which the uniqueness of the SAD global minimum of locally computed image subset dissimilarity was both a predictor of bidirectional match compliance with the Epipolar Constraint, and a predictor of bidirectional match disparity correctness, for the classical stereoscopic correspondence problem of computer vision, and in that context found the uniqueness of the aforementioned global minimum to be a useful but imperfect predictor of success. In this paper we compare the usefulness of the uniqueness of the aforementioned global minimum to that of, the magnitude of that same global minimum, the magnitude of variability across contributors to that global minimum, uniqueness of that variability, and co-occurrence of the global minimum of local image subset dissimilarity and global minimum of variability across contributors to local image subset dissimilarity.

Citation Download Citation

Val Petran and Frank Merat "A comparison of some predictors of stereoscopic match correctness", Proc. SPIE 8399, Visual Information Processing XXI, 83990S (7 May 2012); https://doi.org/10.1117/12.918893

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KEYWORDS

Stereo holograms

Ultraviolet radiation

Computer vision technology

Machine vision

Mathematics

Calcium

Cameras

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