Dynamic image encoding device, dynamic image decoding device, dynamic image encoding method, dynamic image decoding method, dynamic image encoding program, and dynamic image decoding program

A moving image encoding device, comprising:

• input means for inputting an input image as an encoding target;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• encoding means for modifying the reference image and the reference image accompanying information in accordance with the input image, generating a predictive signal for the input image, and encoding the input image;
• and
• output means for outputting, as encoded data, compressed data obtained by encoding by the encoding means together with modification method information indicating a modification method for the reference image.

A moving image encoding device, comprising:

• input means for inputting an input image as an encoding target;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• image modification means for modifying the input image and the reference image;
• reference image accompanying information modification means for modifying the reference image accompanying information in accordance with the input image and the reference image;
• encoding means for generating a predictive signal for the input image with using the modified reference image and the modified reference image accompanying information, and encoding the input image;
• and
• output means for outputting, as encoded data, compressed data obtained by encoding by the encoding means together with modification method information indicating a modification method for the reference image.

A moving image decoding device, comprising:

• division means for dividing encoded data that have been input into compressed data and modification method information;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• and
• decoding means for modifying the reference image and the reference image accompanying information with using the modification method information, generating a predictive signal for the decoded image, and decoding a decoded image.

A moving image decoding device, comprising:

• division means for dividing encoded data that have been input into compressed data and modification method information;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• image modification means for modifying the reference image in accordance with the modification method information;
• reference image accompanying information modification means for modifying the reference image accompanying information in accordance with the modification method information;
• and
• decoding means for generating a predictive signal for the decoded image with using the modified reference image and the modified reference image accompanying information, and decoding a decoded image.

A moving image encoding method, comprising:

• inputting an input image as an encoding target;
• accumulating a reference image;
• accumulating reference image accompanying information that accompanies the reference image;
• modifying the reference image and the reference image accompanying information in accordance with the input image, generating a predictive signal for the input image, and encoding the input image;
• and
• outputting, as encoded data, compressed data obtained by encoding in the encoding together with modification method information indicating a modification method for the reference image.

A moving image encoding method, comprising:

• inputting input an image as an encoding target;
• accumulating a reference image;
• accumulating reference image accompanying information that accompanies the reference image;
• modifying the input image and the reference image;
• modifying the reference image accompanying information in accordance with the input image and the reference image;
• generating a predictive signal for the input image with using the modified reference image and the modified reference image accompanying information, and encoding the input image;
• and
• outputting, as encoded data, compressed data obtained by encoding in the encoding together with modification method information indicating a modification method for the reference image.

A moving image decoding method, comprising:

• dividing encoded data that have been input into compressed data and modification method information;
• accumulating a reference image;
• accumulating reference image accompanying information that accompanies the reference image;
• and
• modifying the reference image and the reference image accompanying information with using the modification method information, generating a predictive signal for the decoded image, and decoding a decoding image.

A moving image decoding method, comprising:

• dividing encoded data that have been input into compressed data and modification method information;
• accumulating a reference image;
• accumulating reference image accompanying information that accompanies the reference image;
• modifying the reference image in accordance with the modification method information;
• modifying the reference image accompanying information in accordance with the modification method information;
• and
• generating a predictive signal for the decoded image with using the modified reference image and the modified reference image accompanying information, and decoding a decoded image.

A moving image encoding program that causes a computer to function as:

• input means for inputting an input image as an encoding target;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• encoding means for modifying the reference image and the reference image accompanying information in accordance with the input image, generating a predictive signal for the input image, and encoding the input image;
• and
• output means for outputting, as encoded data, compressed data obtained by encoding by the encoding means together with modification method information indicating a modification method for the reference image.

A moving image decoding program that causes a computer to function as:

• division means for dividing encoded data that have been input into compressed data and modification method information;
• reference image accumulation means for accumulating a reference image;
• reference image accompanying information accumulation means for accumulating reference image accompanying information that accompanies the reference image;
• and
• decoding means for modifying the reference image and the reference image accompanying information with using the modification method information, generating a predictive signal for the decoded image, and decoding a decoded image.