Patent ID: 8774271
Filing Date: 2014-07-08
Classification: H04N

Abstract:
1. A scalable encoding apparatus that determines a motion mode of an enhanced layer using motion information of a base layer in a scalable video coding having the base layer and the enhanced layer, comprising: an image detector that detects a current image frame from images input to the enhanced layer; a motion detector that assigns weight to motion modes of a macro block and macro blocks adjacent to the macro block of the current image frame based on motion mode information and motion vector information obtained from the current image frame of the base layer, determines motion modes for the current image frame of the enhanced layer by applying the weight and comparing a sum of calculated mode values of the base layer and a plurality of thresholds of the base layer, and detects the corresponding motions of the enhanced layer; and a motion compensator that compensates the motions detected in the motion detector to compress the current image frame, wherein the motion mode includes at least one of a first mode, a second mode, a third mode, and a fourth mode according a size of each macro block for the current image frame of the enhanced layer, wherein the plurality of thresholds include a first threshold, a second threshold, and a third threshold and the motion detector determines the motion modes for the current image frame of the enhanced layer according to the comparison result of the sum of the mode values with the first threshold, the second threshold, and the third threshold.