JP2007049545A5 - - Google Patents
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- JP2007049545A5 JP2007049545A5 JP2005233373A JP2005233373A JP2007049545A5 JP 2007049545 A5 JP2007049545 A5 JP 2007049545A5 JP 2005233373 A JP2005233373 A JP 2005233373A JP 2005233373 A JP2005233373 A JP 2005233373A JP 2007049545 A5 JP2007049545 A5 JP 2007049545A5
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- image
- feature point
- tracking
- motion
- feature
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- 230000002194 synthesizing Effects 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001308 synthesis method Methods 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
Claims (4)
元画像の所定縮小サイズを最上位のレイヤとして、前記第１および第２の画像を段階的に縮小してピラミッド階層を構成するピラミッド化手段と、
このピラミッド化手段による最下位のレイヤから順番に最上位のレイヤに向けて前記特徴点を追跡する特徴点追跡手段と、
この特徴点追跡手段によって得られる前記特徴点の動きを示すベクトルに、前記特徴点の追跡の繰り返し回数に応じて段階的に収束する係数を乗じて前記特徴点の動きを収束させる収束手段と
を具備したことを特徴とする画像合成装置。 An image synthesis device that tracks a feature point extracted from a first image with a second image, aligns the first image with the second image from the coordinate position of the feature point, and synthesizes the image,
Pyramidizing means for forming a pyramid hierarchy by reducing the first and second images in stages with a predetermined reduced size of the original image as the top layer;
Feature point tracking means for tracking the feature points in order from the lowest layer by the pyramidal means toward the highest layer;
Converging means for converging the motion of the feature points by multiplying a vector indicating the motion of the feature points obtained by the feature point tracking means by a coefficient that converges stepwise according to the number of times the feature points are tracked. An image synthesizing apparatus comprising:
元画像の所定縮小サイズを最上位のレイヤとして、前記第１および第２の画像を段階的に縮小してピラミッド階層を構成する第１のステップと、
この第１のステップによる最下位のレイヤから順番に最上位のレイヤに向けて前記特徴点を追跡する第２のステップと、
この第２のステップによって得られる前記特徴点の動きを示すベクトルに、前記特徴点の追跡の繰り返し回数に応じて段階的に収束する係数を乗じて前記特徴点の動きを収束させる第３のステップと
を備えたことを特徴とする画像合成方法。 An image synthesis method for tracking a feature point extracted from a first image with a second image and aligning and synthesizing the first image and the second image from a coordinate position of the feature point,
A first step of forming a pyramid hierarchy by gradually reducing the first and second images with a predetermined reduced size of the original image as the top layer;
A second step of tracking the feature points from the lowest layer to the highest layer in order from the first step;
A third step of converging the motion of the feature point by multiplying a vector indicating the motion of the feature point obtained by the second step by a coefficient that converges in a stepwise manner according to the number of times the tracking of the feature point is repeated. An image composition method comprising: and.
コンピュータに、
元画像の所定縮小サイズを最上位のレイヤとして、前記第１および第２の画像を段階的に縮小してピラミッド階層を構成する第１の機能と、
この第１の機能による最下位のレイヤから順番に最上位のレイヤに向けて前記特徴点を追跡する第２の機能と、
この第２の機能によって得られる前記特徴点の動きを示すベクトルに、前記特徴点の追跡の繰り返し回数に応じて段階的に収束する係数を乗じて前記特徴点の動きを収束させる第３の機能と
を実行させることを特徴とするプログラム。 A feature point extracted from the first image is tracked by the second image, and the first image and the second image are aligned and synthesized from the coordinate position of the feature point,
On the computer,
A first function that configures a pyramid hierarchy by reducing the first and second images in stages with a predetermined reduced size of the original image as the top layer;
A second function for tracking the feature points from the lowest layer to the highest layer in order from the first function;
A third function for converging the motion of the feature point by multiplying a vector indicating the motion of the feature point obtained by the second function by a coefficient that converges stepwise according to the number of times the tracking of the feature point is repeated. A program characterized by causing and to be executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005233373A JP4640032B2 (en) | 2005-08-11 | 2005-08-11 | Image composition apparatus, image composition method, and program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005233373A JP4640032B2 (en) | 2005-08-11 | 2005-08-11 | Image composition apparatus, image composition method, and program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007049545A JP2007049545A (en) | 2007-02-22 |
| JP2007049545A5 true JP2007049545A5 (en) | 2008-09-18 |
| JP4640032B2 JP4640032B2 (en) | 2011-03-02 |
Family
ID=37851998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005233373A Expired - Fee Related JP4640032B2 (en) | 2005-08-11 | 2005-08-11 | Image composition apparatus, image composition method, and program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4640032B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5046004B2 (en) * | 2007-03-20 | 2012-10-10 | 東京電力株式会社 | Non-contact vibration measurement system, non-contact vibration measurement method, and computer program |
| JP4936222B2 (en) * | 2007-06-14 | 2012-05-23 | カシオ計算機株式会社 | Motion vector collation device, image composition device, and program |
| KR101411639B1 (en) * | 2007-09-11 | 2014-06-24 | 삼성전기주식회사 | Method and apparatus for image registration |
| JP4955616B2 (en) * | 2008-06-27 | 2012-06-20 | 富士フイルム株式会社 | Image processing apparatus, image processing method, and image processing program |
| JP4720859B2 (en) * | 2008-07-09 | 2011-07-13 | カシオ計算機株式会社 | Image processing apparatus, image processing method, and program |
| US8896715B2 (en) | 2010-02-11 | 2014-11-25 | Microsoft Corporation | Generic platform video image stabilization |
| JP5750884B2 (en) * | 2010-12-24 | 2015-07-22 | 株式会社ニコン | Image processing apparatus, imaging apparatus, and program |
| US9824426B2 (en) | 2011-08-01 | 2017-11-21 | Microsoft Technology Licensing, Llc | Reduced latency video stabilization |
| US11100652B2 (en) * | 2017-01-24 | 2021-08-24 | SZ DJI Technology Co., Ltd. | Method and system for feature tracking using image pyramids |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2989325B2 (en) * | 1991-06-12 | 1999-12-13 | 日本放送協会 | Motion vector reliability determination device |
| JP3067275B2 (en) * | 1991-05-23 | 2000-07-17 | 日本放送協会 | Scene change detection device |
| JPH07115583A (en) * | 1993-10-20 | 1995-05-02 | Sanyo Electric Co Ltd | Video camera with hand-shake correction device |
| JP3724653B2 (en) * | 1995-03-20 | 2005-12-07 | ソニー株式会社 | Motion amount detection method and motion amount detection device |
| JPH09224249A (en) * | 1996-02-15 | 1997-08-26 | Nippon Hoso Kyokai <Nhk> | Motion vector detector |
| JP3540696B2 (en) * | 1999-12-06 | 2004-07-07 | 三洋電機株式会社 | Image synthesizing method, image synthesizing device, recording medium storing image synthesizing program |
| JP3948616B2 (en) * | 2002-08-02 | 2007-07-25 | Ｋｄｄｉ株式会社 | Image matching device |
| JP2004343483A (en) * | 2003-05-16 | 2004-12-02 | Acutelogic Corp | Device and method for correcting camera-shake and device for detecting camera shake |
| JP2005204075A (en) * | 2004-01-15 | 2005-07-28 | Sony Corp | Device and method for detecting motion vector, frame interpolation apparatus using the same, frame interpolation method using the method, program, and recording medium |
-
2005
- 2005-08-11 JP JP2005233373A patent/JP4640032B2/en not_active Expired - Fee Related
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