MOVING VECTOR DETECTING METHOD

摘要

A method for detecting a moving vector in moving-picture compression so as to make motion compensation while maintaining the quality of picture and reducing the operation load. A vector storage memory (101) holds an already found moving vector. A prediction moving vector calculating section (102) predicts a moving vector of a block to be predicted using a moving vector of a block adjacent to the block to be predicted. A search range determining section (103) determines a search range using the moving vector predicted. A moving vector detecting section (105) performs block matching within the search range.