Moving image encoding and decoding device

A moving picture decoding device that performs prediction decoding for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one reference picture of a plurality of reference pictures, the moving picture decoding device comprising:

• a processor;
• a decoder unit that is executable by the processor to decode, from input encoded data, information on a processing method to be performed on a reference picture to generate the prediction signal, a reference list number identifying the reference picture, and motion vector information of a target block;
• a prediction signal generation method controller unit that is executable by the processor to acquire information on a processing method to be performed on the reference picture corresponding to the reference list number, the information on the processing method acquired based on the reference list number of the target block decoded by the decoder unit;
• and
• a prediction signal generator unit that is executable by the processor to generate the prediction signal for the target block by processing the reference picture, using the processing method to be performed on the reference picture for the target block, the processing method acquired by the prediction signal generation method controller unit.

A moving picture encoding method performed by a moving picture encoding device for prediction coding in which an encoding target picture is divided into a plurality of target blocks, and a prediction signal is generated for the respective target blocks with reference to one reference picture included among a plurality of reference pictures, the moving picture encoding method comprising:

• combining a plurality of predetermined processes with a processor to determine, for the respective reference pictures, a processing method to be performed to generate a respective prediction signal, and performing motion prediction with the processor to determine a motion vector and a reference picture for the respective target blocks;
• processing the determined reference picture with the processor using the determined processing method to generate the respective prediction signal for the respective target blocks;
• and
• encoding, for the respective target blocks, information on the determined processing method together with a reference list number identifying the determined reference picture and motion vector information.

A moving picture decoding method performed by a moving picture decoding device for prediction decoding in which, for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one reference picture of a plurality of reference pictures, the moving picture decoding method comprising:

• decoding with a processor, from input encoded data, information on a processing method to be performed on a reference picture to generate the prediction signal, and a reference list number identifying the reference picture and motion vector information of a target block;
• acquiring with the processor, using the reference list number of the target block, information on a processing method to be performed on the reference picture corresponding to the reference list number;
• and
• generating the prediction signal for the target block with the processor by processing the reference picture using the processing method to be performed on the reference picture for the target block.

A non-transitory computer readable storage medium for a moving image encoding/decoding system, the computer readable storage medium comprising instructions executed by a computer for performing prediction coding in which an encoding target picture is divided into a plurality of target blocks, and for the respective target blocks, a prediction signal is generated with reference to one reference picture of a plurality of reference pictures, the instructions comprising:

• instructions to combine a plurality of predetermined processes to determine, for the respective reference pictures, a processing method to be performed to generate a prediction signal, and instructions to perform motion prediction to determine a motion vector and a reference picture for the respective target blocks;
• instructions to process the determined reference picture, using the determined processing method, to generate the prediction signal for the respective target blocks;
• and
• instructions to encode for the respective target blocks, information on the determined processing method together with a reference list number identifying the determined reference picture and motion vector information.

A non-transitory computer readable storage medium for an image encoding/decoding system, the computer readable storage medium comprising instructions executed by a computer for performing prediction decoding in which for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one reference picture of a plurality of reference pictures, the instructions comprising:

• instructions to decode, from input encoded data, information on a processing method to be performed on a reference picture to generate a prediction signal, a reference list number of a target block, and motion vector information, wherein the reference list number identifies the reference picture;
• instructions to acquire, using the reference list number of the target block, information on a processing method to be performed on the reference picture corresponding to the reference list number;
• and
• instructions to generate the prediction signal for the target block by processing the reference picture using the processing method to be performed on the reference picture for the decoding target block.

A moving picture encoding device that performs prediction coding in which an encoding target picture is divided into a plurality of target blocks, and a prediction signal is generated for the respective target blocks with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the moving picture encoding device comprising:

• a processor;
• a prediction signal generation method controller unit executable by the processor to combine a plurality of predetermined processes to determine a processing method to be performed on a reference picture of the group of reference pictures to generate the prediction signal from the reference picture of the plurality of sets of groups of reference pictures, and the prediction signal generation method controller unit is further executable by the processor to perform motion prediction to determine, for the respective target blocks, a motion vector and a group of reference pictures;
• a prediction signal generator unit that is executable by the processor to generate the prediction signal for the target block by processing the determined reference picture of the group of reference pictures using the determined processing method to be performed on the reference picture of the group of reference pictures for the target block;
• and
• an encoder unit that is executable by the processor to encode, for the respective target blocks, a group of information on the determined processing method together with a group of reference list numbers identifying a group of the determined reference pictures and motion vector information.

A moving picture decoding device that performs prediction decoding in which for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the moving picture decoding device comprising:

• a processor;
• a decoder unit that is executable by the processor to decode, from input encoded data of a decoding target block, a group of information on a processing method of the decoding target block, the processing method to be performed on a reference picture of a group of reference pictures of each set to generate the prediction signal, and a group of reference list numbers identifying a group of reference pictures and motion vector information of the decoding target block;
• a prediction signal generation method controller unit that is executable by the processor to acquire, using the group of reference list numbers of the decoding target block, a group of information on a processing method to be performed on a reference picture of a group of reference pictures corresponding to the group of reference list numbers target block;
• and
• a prediction signal generator unit executable by the processor to generate the prediction signal for the decoding target block by performing processing on each reference picture of the group of reference pictures based on the processing method to be performed on each reference picture of the group of reference pictures for the decoding target block.

A moving picture encoding method performed by a moving picture encoding device for prediction encoding in which an encoding target picture is divided into a plurality of target blocks, and a prediction signal is generated for the respective target blocks with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the moving picture encoding method comprising:

• a processor combining a plurality of predetermined processes to determine a processing method, the processing method to be performed to generate a prediction signal from a reference picture of the plurality of sets of groups of reference pictures, and the processor performing motion prediction to determine a motion vector and a group of reference pictures for the respective target blocks;
• processing the determined reference picture of the group of reference pictures with the processor using the determined processing method to generate the prediction signal for the respective target blocks;
• and
• encoding with the processor, for the respective target blocks, a group of information on the determined processing method on the group of reference pictures of each set, together with motion vector information and a group of reference list numbers identifying the group of reference pictures.

A moving picture decoding method performed by a moving picture decoding device for prediction decoding in which for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the moving picture decoding method comprising:

• a processor decoding, from input encoded data, a group of information on a processing method to be performed on each reference picture of a group of reference pictures of each set to generate the prediction signal, a group of reference list numbers identifying the group of reference pictures, and motion vector information of the target block;
• acquiring with the processor the group of reference list numbers of a respective target block obtained in the decoding step, and a group of information on a processing method to be performed on a determined reference picture of the group of reference pictures corresponding to the group of reference list numbers target block;
• and
• generating the prediction signal for the respective target block by processing on the determined reference picture using the determined processing method target block.

A non-transitory computer readable storage medium for a moving image encoding/decoding system, the computer readable storage medium comprising instructions executed by a computer for performing prediction encoding in which an encoding target picture is divided into a plurality of target blocks, and for the respective target blocks, a prediction signal is generated with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the instructions comprising:

• instructions to combine a plurality of predetermined processes to determine a processing method, the processing method to be performed on a reference picture of the group of reference pictures to generate the prediction signal from the reference picture of the plurality of sets of groups of reference pictures, and instructions to perform motion prediction to determine, for the respective target blocks, a motion vector and a group of reference pictures;
• instructions to process the reference picture of the group of reference pictures to generate the prediction signal for the respective target blocks using the determined processing method to be performed on the reference picture of the group of reference pictures for the respective target blocks;
• and
• instructions to encode, for the respective target blocks, a group of information on the determined processing method on the determined group of reference pictures of each set, together with a group of reference list numbers identifying the group of reference pictures and motion vector information.

A non-transitory computer readable storage medium for an image encoding/decoding system, the computer readable storage medium comprising instructions executed by a computer for performing prediction decoding in which for respective target blocks obtained from dividing a decoding target picture, a prediction signal is generated with reference to one set of a group of reference pictures among a plurality of sets of groups of reference pictures, the instructions comprising:

• instructions to decode, from input encoded data of a decoding target block, a group of information on a processing method to be performed on each reference picture of a group of reference pictures of each set to generate the prediction signal, a group of reference list numbers identifying a group of reference pictures, and motion vector information of every decoding target block;
• instructions to acquire, using the group of reference list numbers of the target block obtained by the decoder, a group of information on a processing method to be performed on each reference picture of the group of reference pictures corresponding to the group of reference list numbers target block;
• and
• a prediction signal generator that generates the prediction signal for the decoding target block by processing the reference picture of the group of reference pictures, using the processing method to be performed on each reference picture of the group of reference pictures for the decoding target block.