Method and apparatus for detecting dynamic vector

Abstract

Abstract PURPOSE:To detect a dynamic vector by real time processing by applying a correlation operation between picture information of representative points extracted from the picture information of a preceding frame through interleaving and the picture information of the present frame with respect to the operation to detect a dynamic vector to reduce remarkably the amount of operation. CONSTITUTION:A representative point A is extracted from a representative point extracting area 2. In taking correlation between the picture information at the point A at the preceding frame and the picture information of the present frame at a point B parted from the point A longitudinally and laterally, the result is a correlation of the point B by a shift (epsilon, eta) with respect to the point A, and whether or not the shift (epsilon, eta) is detected as the dynamic vector depends on the quantity of the correlation (e.g., whether or not a minimum value or a maximum value). The position B is changed in each correlation detecting area 1 and the dynamic vector is detected based on the result of correlation. The correlation in the picture information of each point in the correlation detection area corresponding to the present frame and the picture information at a representative point C of the preceding frame is obtained.

Inventors

• 👤 Hiroshi Kasa
• 👤 比呂志 嵩
• 👤 Fumio Sugiyama
• 👤 文夫 杉山

Bibliographic Details