Patent ID: 8525935
Filing Date: 2013-09-03
Classification: G06K,G06T,G11B,H04N

Abstract:
1. A control method executed by a processor of an apparatus, wherein the apparatus detects a flash portion in an input moving image, said method comprising: a detection step of detecting a bright frame having a brightness value not less than a threshold value from the moving image formed by a plurality of frames; a first search step of searching, within a first predetermined frame range consisting of a plurality of frames before the bright frame detected in the detection step, for a first frame having a lowest brightness value among the frames in the first predetermined frame range; a second search step of searching, within a second predetermined frame range consisting of a plurality of frames after the bright frame detected in the detection step, for a second frame having a lowest brightness value among the frames in the second predetermined frame range; a calculation step of calculating a similarity between the first frame found in the first search step and the second frame found in the second search step; and a determination step of determining the presence/absence of a flash portion in the moving image on the basis of the similarity calculated in the calculation step, wherein said determination step determines the bright frame detected by said detection step as the flash portion, if the first frame, which is searched within the first predetermined frame range before the bright frame detected by said detection step, and the second frame, which is searched within the second predetermined frame range after the bright frame detected by said detection step, are similar according to the similarity.