JP2011205602A5 - - Google Patents
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- JP2011205602A5 JP2011205602A5 JP2010086547A JP2010086547A JP2011205602A5 JP 2011205602 A5 JP2011205602 A5 JP 2011205602A5 JP 2010086547 A JP2010086547 A JP 2010086547A JP 2010086547 A JP2010086547 A JP 2010086547A JP 2011205602 A5 JP2011205602 A5 JP 2011205602A5
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- difference signal
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- integer conversion
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Claims (8)
前記輝度信号の差分信号の整数変換処理を行うとともに、前記色差信号の差分信号の整数変換処理を行う整数変換処理部を備え、
前記整数変換処理部は、
前記輝度信号の差分信号及び前記色差信号の差分信号のうち、一方の差分信号の整数変換処理として、第１整数変換処理を固定的に適用し、
前記輝度信号の差分信号及び前記色差信号の差分信号のうち、他方の差分信号の整数変換処理として、前記第１整数変換処理及び前記第１整数変換処理とは異なる第２整数変換処理の中から選択された整数変換処理を適用することを特徴とする符号化装置。 Based on a coding target block obtained by dividing a frame image and a predicted image generated for the coding target block, a difference signal of a luminance signal between the coding target block and the predicted image An encoding device that generates a difference signal of the color difference signal and encodes the difference signal of the luminance signal and the difference signal of the color difference signal ,
An integer conversion processing unit that performs integer conversion processing of the difference signal of the luminance signal and performs integer conversion processing of the difference signal of the color difference signal,
The integer conversion processing unit
Of the difference signal of the luminance signal and the difference signal of the color difference signal, the first integer conversion process is fixedly applied as an integer conversion process of one of the difference signals,
Of the difference signal of the luminance signal and the difference signal of the chrominance signal, as the integer conversion process of the other difference signal, the second integer conversion process is different from the first integer conversion process and the first integer conversion process. An encoding apparatus that applies a selected integer conversion process .
前記フレーム画像の符号化は、前記フレーム画像を分割することによって得られる符号化対象ブロックと前記符号化対象ブロックに対して生成される予測画像とに基づいて、前記符号化対象ブロックと前記予測画像との間における輝度信号の差分信号及び色差信号の差分信号を生成するとともに、前記輝度信号の差分信号及び前記色差信号の差分信号の符号化を行う手順を含み、 The encoding of the frame image is performed based on the encoding target block obtained by dividing the frame image and the prediction image generated for the encoding target block, and the prediction image. Generating a difference signal of a luminance signal and a difference signal of a chrominance signal, and encoding the difference signal of the luminance signal and the difference signal of the chrominance signal,
前記輝度信号の差分信号の逆整数変換処理を行うとともに、前記色差信号の差分信号の逆整数変換処理を行う逆整数変換処理部を備え、 An inverse integer conversion processing unit that performs an inverse integer conversion process of the difference signal of the luminance signal and an inverse integer conversion process of the difference signal of the color difference signal,
前記逆整数変換処理部は、 The inverse integer conversion processing unit
前記輝度信号の差分信号及び前記色差信号の差分信号のうち、一方の差分信号の逆整数変換処理として、第１逆整数変換処理を固定的に適用し、 Of the difference signal of the luminance signal and the difference signal of the color difference signal, as the inverse integer conversion process of one difference signal, the first inverse integer conversion process is fixedly applied,
前記輝度信号の差分信号及び前記色差信号の差分信号のうち、他方の差分信号の逆整数変換処理として、前記第１逆整数変換処理及び前記第１逆整数変換処理とは異なる第２逆整数変換処理の中から選択された逆整数変換処理を適用することを特徴とする復号装置。 Of the difference signal of the luminance signal and the difference signal of the chrominance signal, a second inverse integer transform different from the first inverse integer transform process and the first inverse integer transform process is performed as the inverse integer transform process of the other difference signal. A decoding apparatus characterized by applying an inverse integer conversion process selected from the processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010086547A JP5302256B2 (en) | 2010-03-05 | 2010-04-02 | Encoding device, decoding device, and program |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010049759 | 2010-03-05 | ||
| JP2010049759 | 2010-03-05 | ||
| JP2010086547A JP5302256B2 (en) | 2010-03-05 | 2010-04-02 | Encoding device, decoding device, and program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011205602A JP2011205602A (en) | 2011-10-13 |
| JP2011205602A5 true JP2011205602A5 (en) | 2013-05-23 |
| JP5302256B2 JP5302256B2 (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2010086547A Active JP5302256B2 (en) | 2010-03-05 | 2010-04-02 | Encoding device, decoding device, and program |
Country Status (1)
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| JP (1) | JP5302256B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6159139B2 (en) * | 2013-05-07 | 2017-07-05 | 日本放送協会 | Image processing apparatus, encoding apparatus, and program |
| WO2017030198A1 (en) * | 2015-08-20 | 2017-02-23 | 日本放送協会 | Image encoding device, image decoding device, and programs therefor |
| JP6613720B2 (en) * | 2015-08-26 | 2019-12-04 | 沖電気工業株式会社 | Image processing apparatus, program, and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02200082A (en) * | 1989-01-30 | 1990-08-08 | Hitachi Ltd | Image encoder |
| JPH0522715A (en) * | 1991-07-12 | 1993-01-29 | Sony Corp | Picture encoder |
| JPH10285595A (en) * | 1997-04-08 | 1998-10-23 | Matsushita Joho Syst Kk | Image data transmitter-receiver |
| JP2900998B2 (en) * | 1997-07-31 | 1999-06-02 | 日本ビクター株式会社 | Block interpolation predictive encoding apparatus, decoding apparatus, encoding method and decoding method |
| JP4825227B2 (en) * | 2008-02-04 | 2011-11-30 | 日本放送協会 | Image decoding apparatus and image processing program |
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2010
- 2010-04-02 JP JP2010086547A patent/JP5302256B2/en active Active
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