Matching techniques to compute image motion Export

@article{citeulike:1958537, abstract = {This paper describes a thorough analysis of the pattern matching techniques used to compute image motion from a sequence of two or more images. Several correlation/distance measures are tested, and problems in displacement estimation are investigated. As a byproduct of this analysis, several novel techniques are presented which improve the accuracy of flow vector estimation and reduce the computational cost by using filters, multi-scale approach and mask sub-sampling. Further, new algorithms to obtain a sub-pixel accuracy of the flow are proposed. A large amount of experimental tests have been performed to compare all the techniques proposed, in order to understand which are the most useful for practical applications, and the results obtained are very accurate, showing that correlation-based flow computation is suitable for practical and real-time applications.}, author = {Giachetti, A.}, citeulike-article-id = {1958537}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0262-8856(99)00018-9}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6V09-3YBBJNP-6/2/a92629a5040c67881bbb5dab5aeedcc5}, doi = {10.1016/S0262-8856(99)00018-9}, journal = {Image and Vision Computing}, keywords = {correlation, correspondence, estimation, matching, motion}, month = {February}, number = {3}, pages = {247--260}, posted-at = {2007-11-22 11:55:20}, priority = {5}, title = {Matching techniques to compute image motion}, url = {http://dx.doi.org/10.1016/S0262-8856(99)00018-9}, volume = {18}, year = {2000} }

TY - JOUR ID - citeulike:1958537 L3 - citeulike-article-id:1958537 N2 - This paper describes a thorough analysis of the pattern matching techniques used to compute image motion from a sequence of two or more images. Several correlation/distance measures are tested, and problems in displacement estimation are investigated. As a byproduct of this analysis, several novel techniques are presented which improve the accuracy of flow vector estimation and reduce the computational cost by using filters, multi-scale approach and mask sub-sampling. Further, new algorithms to obtain a sub-pixel accuracy of the flow are proposed. A large amount of experimental tests have been performed to compare all the techniques proposed, in order to understand which are the most useful for practical applications, and the results obtained are very accurate, showing that correlation-based flow computation is suitable for practical and real-time applications. IS - 3 JF - Image and Vision Computing EP - 260 TI - Matching techniques to compute image motion VL - 18 SP - 247 KW - correlation KW - correspondence KW - estimation KW - matching KW - motion AU - Giachetti, A PY - 2000/02// UR - http://dx.doi.org/10.1016/S0262-8856(99)00018-9 ER -