Shinya Kadono

TL;DR: A moving picture coding apparatus for inter-picture predictive coding for pictures constituting a moving picture is provided in this article, where a coding unit for performing predictive error coding for image data, a decoding unit for decoding for an output from the coding unit, a reference picture memory for holding output data from the decoding unit, and a motion vector detection unit for detecting motion vectors on the basis of the decoded image data stored in the memory.

TL;DR: In this article, the number of coefficients having a value other than 0 for each block from the coefficients generated, a coefficient number storage unit (110) was provided to store the coefficients detected, and an encoder was used to select a variable length encoding table according to the coefficients of the encoded block positioned around the block.

TL;DR: A picture encoding method is a method of predictively encoding an input picture with reference to pictures stored in a picture buffer, decoding the encoded input picture, judging whether or not the decoded picture is a picture for reference as discussed by the authors.

TL;DR: In this paper, a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24 which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging or selecting one of the plurality of the motion vectors.

TL;DR: In this article, a motion vector coding unit 117 executes processing including a neighboring block specification step (S100), a judgment step (Steps S102, S104) of judging whether or not the neighboring block has been coded using a motion vectors of another block, and a prediction step(S106, S108) of deriving a predictive motion vector of the current block using the motion vector calculated from the other block as a motionvector of the neighbor block.