JP2003348596A5 - - Google Patents
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- JP2003348596A5 JP2003348596A5 JP2002154077A JP2002154077A JP2003348596A5 JP 2003348596 A5 JP2003348596 A5 JP 2003348596A5 JP 2002154077 A JP2002154077 A JP 2002154077A JP 2002154077 A JP2002154077 A JP 2002154077A JP 2003348596 A5 JP2003348596 A5 JP 2003348596A5
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- prediction compensation
- image data
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- processing apparatus
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Claims (9)
ＦＩＲフィルタを用いた処理または線型内挿を用いた処理により、予め設定されている小数画素精度の画像データを生成する生成手段と、
前記生成手段により生成された前記画像データを記憶する記憶手段と、
前記記憶手段に記憶されている前記画像データを用いて予測補償の処理を実行する予測補償手段と
を含むことを特徴とする画像処理装置。In an image processing apparatus that inputs image information of interlaced scanning or sequential operation, and performs motion prediction compensation by orthogonal transformation and block matching with decimal pixel precision,
Generating means for generating image data with decimal pixel precision set in advance by processing using an FIR filter or processing using linear interpolation;
Storage means for storing the image data generated by the generation means;
An image processing apparatus comprising: a prediction compensation unit that performs a prediction compensation process using the image data stored in the storage unit.
ことを特徴とする請求項１に記載の画像処理装置。The image processing apparatus according to claim 1, wherein the generation unit generates image data with M / N (M or N is an integer of 1 or more) pixel accuracy of the input image information.
ことを特徴とする請求項１に記載の画像処理装置。The image processing apparatus according to claim 1, wherein the storage unit includes a padding area for supporting motion compensation from outside the VOP boundary.
ことを特徴とする請求項１に記載の画像処理装置。The image processing apparatus according to claim 1, wherein the prediction compensation unit performs orthogonal transform by discrete cosine transform or Karhunen-Loeve transform and overlapped motion prediction compensation with decimal pixel accuracy.
ＦＩＲフィルタを用いた処理または線型内挿を用いた処理により、予め設定されている小数画素精度の画像データを生成する生成ステップと、
前記生成ステップの処理で生成された前記画像データの記憶を制御する記憶制御ステップと、
前記記憶制御ステップの処理で記憶が制御された前記画像データを用いて予測補償の処理を実行する予測補償ステップと
を含むことを特徴とする画像処理方法。In an image processing method of an image processing apparatus that inputs image information of interlaced scanning or sequential operation, and performs motion prediction compensation by orthogonal matching and decimal pixel precision block matching,
A generation step of generating image data with decimal pixel accuracy set in advance by processing using an FIR filter or processing using linear interpolation;
A storage control step for controlling storage of the image data generated by the processing of the generation step;
A prediction compensation step of performing a prediction compensation process using the image data whose storage is controlled in the process of the storage control step.
ＦＩＲフィルタを用いた処理または線型内挿を用いた処理により、予め設定されている小数画素精度の画像データを生成する生成ステップと、
前記生成ステップの処理で生成された前記画像データの記憶を制御する記憶制御ステップと、
前記記憶制御ステップの処理で記憶が制御された前記画像データを用いて予測補償の処理を実行する予測補償ステップと
を含むことを特徴とするコンピュータが読み取り可能なプログラムが記録されている記録媒体。A program of an image processing apparatus that inputs image information of interlaced scanning or sequential operation, and performs motion prediction compensation by block matching with orthogonal transformation and decimal pixel precision,
A generation step of generating image data with decimal pixel accuracy set in advance by processing using an FIR filter or processing using linear interpolation;
A storage control step for controlling storage of the image data generated by the processing of the generation step;
A prediction compensation step of performing a prediction compensation process using the image data whose storage is controlled by the process of the storage control step. A recording medium on which a computer-readable program is recorded.
ＦＩＲフィルタを用いた処理または線型内挿を用いた処理により、予め設定されている小数画素精度の画像データを生成する生成ステップと、
前記生成ステップの処理で生成された前記画像データの記憶を制御する記憶制御ステップと、
前記記憶制御ステップの処理で記憶が制御された前記画像データを用いて予測補償の処理を実行する予測補償ステップと
を実行させるプログラム。To the computer that controls the image processing apparatus that inputs the image information of the interlaced scanning or the sequential operation, and performs the motion prediction compensation by the orthogonal transformation and the block matching of the decimal pixel precision,
A generation step of generating image data with decimal pixel accuracy set in advance by processing using an FIR filter or processing using linear interpolation;
A storage control step for controlling storage of the image data generated by the processing of the generation step;
A prediction compensation step of executing a prediction compensation process using the image data whose storage is controlled by the process of the storage control step.
前記動き予測補償処理に係る演算が施された画素値を保持する保持手段を
含むことを特徴とする画像処理装置。In an image processing apparatus that performs motion prediction compensation with decimal pixel precision and converts an update frequency of an input image by inserting an interpolation image,
An image processing apparatus comprising: a holding unit that holds a pixel value that has been subjected to the calculation related to the motion prediction compensation process.
ことを特徴とする請求項８に記載の画像処理装置。The image processing apparatus according to claim 8 , wherein the update frequency is converted from 25 Hz to 50 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002154077A JP4318019B2 (en) | 2002-05-28 | 2002-05-28 | Image processing apparatus and method, recording medium, and program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002154077A JP4318019B2 (en) | 2002-05-28 | 2002-05-28 | Image processing apparatus and method, recording medium, and program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003348596A JP2003348596A (en) | 2003-12-05 |
| JP2003348596A5 true JP2003348596A5 (en) | 2005-10-06 |
| JP4318019B2 JP4318019B2 (en) | 2009-08-19 |
Family
ID=29770959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002154077A Expired - Fee Related JP4318019B2 (en) | 2002-05-28 | 2002-05-28 | Image processing apparatus and method, recording medium, and program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4318019B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO320114B1 (en) * | 2003-12-05 | 2005-10-24 | Tandberg Telecom As | Improved calculation of interpolated pixel values |
| JP2007536817A (en) | 2004-05-04 | 2007-12-13 | クゥアルコム・インコーポレイテッド | Method and apparatus for motion compensated frame rate upconversion |
| US20050286777A1 (en) * | 2004-06-27 | 2005-12-29 | Roger Kumar | Encoding and decoding images |
| BRPI0512816A (en) * | 2004-07-01 | 2008-04-08 | Qualcomm Inc | method and equipment for using frame rate upconversion techniques in scalable video encoding |
| CN101189882B (en) | 2004-07-20 | 2012-08-01 | 高通股份有限公司 | Method and apparatus for encoder assisted-frame rate up conversion (EA-FRUC) for video compression |
| US8553776B2 (en) | 2004-07-21 | 2013-10-08 | QUALCOMM Inorporated | Method and apparatus for motion vector assignment |
| US8750387B2 (en) | 2006-04-04 | 2014-06-10 | Qualcomm Incorporated | Adaptive encoder-assisted frame rate up conversion |
| US8634463B2 (en) | 2006-04-04 | 2014-01-21 | Qualcomm Incorporated | Apparatus and method of enhanced frame interpolation in video compression |
| JP4781301B2 (en) * | 2007-03-06 | 2011-09-28 | 日本放送協会 | Encoding side motion compensation device and decoding side motion compensation device |
-
2002
- 2002-05-28 JP JP2002154077A patent/JP4318019B2/en not_active Expired - Fee Related
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