Temporal multiresolution analysis for video segmentation
نویسندگان
چکیده
Video segmentation is an important step in many of the video applications We observe that the video shot boundary is a multi resolution edge phe nomenon in the feature space Based on this obser vation we have developed a novel temporal multi resolution analysis MRA based algorithm using Canny wavelets to perform temporal video seg mentation Information across multiple resolutions is used to help detect as well as locate abrupt and gradual transitions We present the theoretical basis of the algorithm followed by the implemen tation as well as the results In this paper the MRA technique has been implemented using color histogram as the feature space Experimental re sults shows that this method can detect as well as characterize both the abrupt and gradual shot boundaries The technique also shows good noise tolerance characteristics
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