JPH0830806A - Three-dimensional image conversion method - Google Patents
Three-dimensional image conversion methodInfo
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- JPH0830806A JPH0830806A JP6162259A JP16225994A JPH0830806A JP H0830806 A JPH0830806 A JP H0830806A JP 6162259 A JP6162259 A JP 6162259A JP 16225994 A JP16225994 A JP 16225994A JP H0830806 A JPH0830806 A JP H0830806A
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- image
- dimensional image
- input
- motion vector
- dimensional
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Processing Or Creating Images (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、２次元画像に基づき視
差を有する３次元画像に変換する３次元画像変換方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional image conversion method for converting a two-dimensional image into a three-dimensional image having parallax.
【０００２】[0002]
【従来の技術】従来、左右の視差を有する３次元画像を
得るには、専用の立体撮像装置で撮像して得た２チャン
ネルの立体画像信号（３次元画像信号）を立体ＶＴＲ等
で記録し、これを再生して専用の３次元ディスプレイ等
で再生する必要があった。2. Description of the Related Art Conventionally, in order to obtain a three-dimensional image having left and right parallax, a two-channel stereoscopic image signal (three-dimensional image signal) obtained by imaging with a dedicated stereoscopic image pickup device is recorded by a stereoscopic VTR or the like. , It was necessary to reproduce this and reproduce it on a dedicated three-dimensional display or the like.
【０００３】従って、この方式によれば、既存の２次元
画像ソフトを使用することができず新たに３次元画像ソ
フトを製作する必要があったため立体画像再生システム
のコストアップの原因となっていた。Therefore, according to this method, the existing two-dimensional image software cannot be used, and it is necessary to newly produce three-dimensional image software, which causes an increase in the cost of the stereoscopic image reproducing system. .
【０００４】このため、本願出願人は、先に、特願平６
−１０５８３号にて、２次元画像を画像の動きに応じて
フ−ィルド単位で遅延させ、例えば、元の信号を右目用
画像、遅延画像を左目画像とすることにより、水平方向
に動きのある画像に対しては視差を有する３次元画像が
得られる方法を提案している。For this reason, the applicant of the present invention previously filed Japanese Patent Application No.
No. 10583, a two-dimensional image is delayed in a field unit according to the movement of the image, and for example, the original signal is the right-eye image and the delayed image is the left-eye image, so that there is a horizontal movement. We propose a method to obtain a three-dimensional image with parallax.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記方
法では、水平方向に動きのある動画に対しては有効であ
るが、静止画に対しては効果が無かった。However, the above method is effective for a moving image in the horizontal direction but not effective for a still image.
【０００６】本発明は、上記欠点を解消するものであ
り、静止画に対しても、動画と同様に２次元画像を疑似
的に３次元画像に変換することができる３次元画像変換
方法を提供するものである。The present invention solves the above-mentioned drawbacks, and provides a three-dimensional image conversion method that can convert a two-dimensional image into a three-dimensional image in a pseudo manner for a still image as well as a moving image. To do.
【０００７】[0007]
【課題を解決するための手段】本発明は、入力２次元画
像に基づき右目画像及び左目画像を有する３次元画像を
作成する３次元画像変換方法において、入力２次元画像
が動画の場合、前記入力２次元画像信号及びこの画像を
時間軸方向にずらした画像をそれぞれ右目画像及び左目
画像とし、入力２次元画像が静止画の場合、前記入力２
次元画像及びこの画像を水平方向に位相をずらした画像
をそれぞれ右目画像及び左目画像として３次元画像を作
成する３次元画像変換方法である。According to the present invention, in a three-dimensional image conversion method for creating a three-dimensional image having a right-eye image and a left-eye image based on an input two-dimensional image, when the input two-dimensional image is a moving image, the input is performed. The two-dimensional image signal and the images obtained by shifting the image in the time axis direction are the right-eye image and the left-eye image, respectively. When the input two-dimensional image is a still image, the input 2
It is a three-dimensional image conversion method for creating a three-dimensional image by using a three-dimensional image and an image obtained by horizontally shifting the phase of this image as a right-eye image and a left-eye image, respectively.
【０００８】また、動きベクトルの水平成分が一定値を
越えるとき、動画と判断し、これが、一定値以下のと
き、静止画と判断する。When the horizontal component of the motion vector exceeds a certain value, it is determined to be a moving image, and when it is less than the certain value, it is determined to be a still image.
【０００９】[0009]
【作用】本発明は、上記方法により、動画に対しては、
前記入力２次元画像信号及びこの画像を時間軸方向にず
らした画像をそれぞれ右目画像及び左目画像とすること
により、３次元画像を作成する。また、上記方法では立
体感が得られない、静止画や垂直方向の動きはあるが、
水平方向の動きが少ない動画に対しては、前記入力２次
元画像及びこの画像を水平方向に位相をずらした画像を
それぞれ右目画像及び左目画像として３次元画像を作成
することにより、入力２次元画像がいかなる場合であっ
ても、これを３次元画像に変換することができる。According to the present invention, by the above method,
A three-dimensional image is created by using the input two-dimensional image signal and the image obtained by shifting the image in the time axis direction as the right-eye image and the left-eye image, respectively. Also, although there are still images and vertical movement that cannot be obtained with the above method,
For a moving image with little horizontal movement, an input two-dimensional image is created by creating a three-dimensional image using the input two-dimensional image and the image obtained by horizontally shifting the phase of the image as a right-eye image and a left-eye image, respectively. In any case, it can be converted into a three-dimensional image.
【００１０】[0010]
【実施例】まず、本発明における動画の立体視の原理に
ついて説明する。図１Ａのように背景は変化せず被写体
が左から右へ移動する画像シ−ンにおいて、同図Ｂのよ
うに再生された右目画像と左目画像との間にフィールド
遅延により一定の時間差を設けた場合、被写体の動きの
分だけ位置が異なり、これが同図Ｃのように視差となり
被写体が飛び出して見えるため立体視が可能となる。
尚、図１Ｂ及びＣの数字はフィールド番号を表してい
る。First, the principle of stereoscopic viewing of moving images in the present invention will be described. In the image scene in which the background does not change and the subject moves from left to right as shown in FIG. 1A, a constant time difference is provided between the reproduced right eye image and left eye image due to field delay as shown in FIG. 1B. In this case, the position differs by the amount of movement of the subject, and this results in parallax as shown in FIG. 7C, and the subject appears to pop out, enabling stereoscopic viewing.
The numbers in FIGS. 1B and 1C represent field numbers.
【００１１】上述の原理においては、静止画や垂直方向
の動きはあるが、水平方向の動きが少ない動画について
は、上述の原理では３次元画像信号に変換することがで
きない。According to the above-mentioned principle, a still picture or a moving picture in the vertical direction, but a moving picture with little horizontal movement cannot be converted into a three-dimensional image signal by the above-mentioned principle.
【００１２】そこで、本発明では、静止画の場合でも次
の原理で立体視を可能とする。即ち、図２のように左右
の目に入射する画像を水平方向に所定量だけずれるよう
位相制御することにより行う。具体的には、画面全体を
右目用画像は右に、左目用画像は左にずらすことにより
スクリーン面に対して対象物を奥に見せることができ
る。また、画面全体を右目用画像は左に、左目用画像は
右にずらすことによりスクリーン面に対して対象物を奥
に見せることができる。Therefore, according to the present invention, even in the case of a still image, stereoscopic viewing is possible by the following principle. That is, as shown in FIG. 2, the phase is controlled so that the images incident on the left and right eyes are displaced in the horizontal direction by a predetermined amount. Specifically, by shifting the entire screen to the right-eye image to the right and the left-eye image to the left, the object can be seen deeper than the screen surface. Further, by shifting the entire screen to the left for the right-eye image and to the right for the left-eye image, it is possible to make the object appear to the back of the screen surface.
【００１３】以下、図面に従って本発明の一実施例を説
明する。図３は３次元画像変換システムの要部概略ブロ
ック図であり、入力端子１には２次元画像信号が入力さ
れる。この２次元画像信号の一つはフィールドメモリ２
及びラインメモリ３に供給される。このフィールドメモ
リ２はメモリ制御回路４により遅延量０から最大６０フ
ィールド（ＮＴＳＣ方式で約１秒）までの範囲でフィー
ルド単位で可変制御される。また、前記ラインメモリ３
は１水平走査期間内の任意の時間、入力信号を遅延させ
ることにより入力画像の水平方向の位相調整を行うこと
ができる。この位相調整はＣＰＵ６を介して行われる。An embodiment of the present invention will be described below with reference to the drawings. FIG. 3 is a schematic block diagram of a main part of the three-dimensional image conversion system, and a two-dimensional image signal is input to the input terminal 1. One of the two-dimensional image signals is the field memory 2
And the line memory 3. The field memory 2 is variably controlled by the memory control circuit 4 on a field-by-field basis within a delay amount of 0 to a maximum of 60 fields (about 1 second in the NTSC system). In addition, the line memory 3
Can delay the input signal for an arbitrary time within one horizontal scanning period to adjust the phase of the input image in the horizontal direction. This phase adjustment is performed via the CPU 6.
【００１４】そして、前記フィールドメモリ２出力及び
ラインメモリ３出力は第１選択回路７へ供給され、後述
する静止画判定信号により、いずれか一方が選ばれて出
力される。The output of the field memory 2 and the output of the line memory 3 are supplied to the first selection circuit 7, and one of them is selected and output by a still image determination signal described later.
【００１５】一方、２次元画像信号の他方は、動きベク
トル検出回路５に供給され、フィールド間の動きに応じ
た動きベクトルが検出された後、ＣＰＵ６に供給され
る。このＣＰＵ６は前記動きベクトルのうち水平成分を
抽出しこれに応じてメモリ制御回路４を制御する。即
ち、被写体の動きが大きく動きベクトルが大きい場合、
フィールドメモリ２の遅延量が少なくなるよう制御し、
被写体の動きが小さいか、あるいはスローモション再生
時のように動きベクトルが小さい場合、遅延量が多くな
るように制御される。尚、フィールドメモリの遅延フィ
ールド数は最大６０フィールドであり、これはＮＴＳＣ
方式の１秒間に相当し、通常の画像シーンにほぼ対応で
きる時間であるが、より低速のスローモション再生に使
用する場合は６０フィールド以上の大容量のメモリを使
用すればよい。On the other hand, the other of the two-dimensional image signals is supplied to the motion vector detecting circuit 5 and, after detecting a motion vector corresponding to the motion between fields, is supplied to the CPU 6. The CPU 6 extracts a horizontal component from the motion vector and controls the memory control circuit 4 in response to the horizontal component. That is, when the motion of the subject is large and the motion vector is large,
Control so that the delay amount of the field memory 2 is reduced,
When the motion of the subject is small, or when the motion vector is small as in slow motion reproduction, the delay amount is controlled to increase. The maximum number of delay fields in the field memory is 60, which is the NTSC
This is a time corresponding to 1 second of the method, which is almost a time corresponding to a normal image scene, but when used for slow motion reproduction at a slower speed, a large-capacity memory of 60 fields or more may be used.
【００１６】更に、このＣＰＵ６は、動きベクトルによ
り、静止画か動画かを判定する。即ち、動きベクトルの
水平成分が一定値以下のとき、”１”、一定値を越えた
とき”０”の静止画判定信号を作成し、前記第１選択回
路７へ供給する。そして、第１選択回路７は、静止画判
定信号”１”が入力されると、ラインメモリ３出力を選
択し、”０”が入力されると、フィールドメモリ４出力
を選択して、第２選択回路７へ出力する。この第２選択
回路７は入力２次元画像信号及び前記第１選択回路７出
力が入力され、前記ＣＰＵ６からの制御信号により制御
される。即ち、動きベクトルの方向が左から右の場合は
入力２次元画像信号を左目画像信号、第１選択回路７出
力を右目画像信号とし、動きベクトルの方向が右から左
の場合は、入力２次元画像信号を右目画像信号とするよ
うに制御される。Further, the CPU 6 determines whether it is a still image or a moving image based on the motion vector. That is, when the horizontal component of the motion vector is equal to or less than a certain value, a still image determination signal of "1" is generated when the horizontal component exceeds a certain value, and the still image determination signal is supplied to the first selection circuit 7. Then, the first selection circuit 7 selects the line memory 3 output when the still image determination signal “1” is input, and selects the field memory 4 output when “0” is input, and the second selection Output to the selection circuit 7. The second selection circuit 7 receives the input two-dimensional image signal and the output of the first selection circuit 7, and is controlled by a control signal from the CPU 6. That is, when the direction of the motion vector is from left to right, the input two-dimensional image signal is the left-eye image signal, and the output of the first selection circuit 7 is the right-eye image signal. When the direction of the motion vector is from right to left, the input two-dimensional image signal is input. The image signal is controlled to be the right-eye image signal.
【００１７】次に、上記回路の動作について詳述する。
まず、入力２次元画像信号が動画の場合、動きベクトル
検出回路５で動きベクトルが検出される。ＣＰＵ６は、
メモリ制御回路４を介して、動きベクトルが大きけれ
ば、フィールドメモリの遅延フィールド数を少なく、動
きベクトルが大きければ遅延フィールド数を多くするよ
うに制御する。Next, the operation of the above circuit will be described in detail.
First, when the input two-dimensional image signal is a moving image, the motion vector detection circuit 5 detects a motion vector. CPU6
If the motion vector is large, the memory control circuit 4 controls so that the number of delay fields in the field memory is reduced, and if the motion vector is large, the number of delay fields is increased.
【００１８】更に、一定値以上の動きベクトルが検出さ
れると、ＣＰＵ６は、動画と見做し、”０”の静止画判
定信号を第１選択回路７へ供給する。従って、第１選択
回路７はフィールドメモリ出力を選択して第２選択回路
８へ供給する。第２選択回路８は、前記ＣＰＵ６からの
制御信号により、動きベクトルの方向が左から右の場合
は入力２次元画像信号を左目画像信号、第１選択回路７
出力を右目画像信号とし、動きベクトルの方向が右から
左の場合は、入力２次元画像信号を右目画像信号とする
ように制御され、出力端子９、１０にそれぞれ右目画像
信号及び左目画像信号が出力される。Further, when a motion vector of a certain value or more is detected, the CPU 6 regards it as a moving image and supplies a still image determination signal of "0" to the first selection circuit 7. Therefore, the first selection circuit 7 selects the field memory output and supplies it to the second selection circuit 8. When the direction of the motion vector is from left to right, the second selection circuit 8 receives the input two-dimensional image signal as the left eye image signal and the first selection circuit 7 according to the control signal from the CPU 6.
When the output is the right-eye image signal and the direction of the motion vector is from right to left, the input two-dimensional image signal is controlled to be the right-eye image signal, and the output terminals 9 and 10 receive the right-eye image signal and the left-eye image signal, respectively. Is output.
【００１９】よって、動画の場合は、図１の原理により
被写体が水平方向に移動するようなシーンについては、
動きの速さに応じた視差が左右の画像信号に発生する。
そして、この出力端子９、１０からの左右画像信号を例
えば、レンチキュラー方式のメガネ無しディスプレイに
供給すれば、２次元画像信号であっても部分的に立体感
のある立体画像が疑似的に再現できる。Therefore, in the case of a moving image, a scene in which the subject moves in the horizontal direction according to the principle of FIG.
Parallax corresponding to the speed of movement occurs in the left and right image signals.
If the left and right image signals from the output terminals 9 and 10 are supplied to, for example, a lenticular-type display without glasses, a stereoscopic image having a partially stereoscopic effect can be reproduced in a pseudo manner even with a two-dimensional image signal. .
【００２０】次に、静止画の場合について説明する。動
きベクトル検出回路５で検出される動きベクトルは０ま
たは一定値以下であり、このとき、ＣＰＵ６は、静止画
と見做し、”１”の静止画判定信号を第１選択回路７へ
供給する。従って、第１選択回路７はラインメモリ３出
力を選択して第２選択回路８へ供給する。第２選択回路
８は動きベクトルが０の場合、前の状態が保持される。Next, the case of a still image will be described. The motion vector detected by the motion vector detection circuit 5 is 0 or less than a certain value. At this time, the CPU 6 regards it as a still image and supplies a still image determination signal of "1" to the first selection circuit 7. . Therefore, the first selection circuit 7 selects the output of the line memory 3 and supplies it to the second selection circuit 8. When the motion vector is 0, the second selection circuit 8 holds the previous state.
【００２１】よって、静止画及び動きの少ない動画の場
合は、左右の目には所定量水平方向にずれた画像が入射
されることになり、図２の原理によって、立体感を得る
ことができる。Therefore, in the case of a still image and a moving image with a small amount of motion, an image shifted in the horizontal direction by a predetermined amount is incident on the left and right eyes, and a stereoscopic effect can be obtained by the principle of FIG. .
【００２２】[0022]
【発明の効果】上述の如く本発明によれば、動画に対し
ては、フィールド遅延方式により、疑似的に３次元画像
を得ることができるとともに、上記方法では立体感が得
られない、静止画や垂直方向の動きはあるが水平方向の
動きが少ない動画に対しては、水平位相ずらし方式によ
り立体感を得ることができ、入力２次元画像がいかなる
場合であっても、これを３次元画像に変換することがで
きる。As described above, according to the present invention, it is possible to obtain a pseudo three-dimensional image for a moving image by the field delay method, and a stereoscopic image cannot be obtained by the above method. For moving images with vertical or vertical motion but little horizontal motion, a horizontal phase shift method can be used to obtain a three-dimensional effect. Can be converted to.
【図１】本発明の動画に対する原理を示す図である。FIG. 1 is a diagram showing a principle of a moving image according to the present invention.
【図２】本発明の静止画に対する原理を示す図である。FIG. 2 is a diagram showing a principle of a still image according to the present invention.
【図３】本発明の一実施例における３次元画像変換シス
テムの概略ブロック図である。FIG. 3 is a schematic block diagram of a three-dimensional image conversion system according to an embodiment of the present invention.
２ フィールドメモリ ３ ラインメモリ ４ メモリ制御回路 ５ 動きベクトル検出回路 ６ ＣＰＵ ７ 第１選択回路 ８ 第２選択回路 2 field memory 3 line memory 4 memory control circuit 5 motion vector detection circuit 6 CPU 7 first selection circuit 8 second selection circuit
Claims (3)
目画像を有する３次元画像を作成する３次元画像変換方
法において、 入力２次元画像が動画の場合、前記入力２次元画像信号
及びこの画像を時間軸方向にずらした画像をそれぞれ右
目画像及び左目画像とし、入力２次元画像が静止画の場
合、前記入力２次元画像及びこの画像を水平方向に位相
をずらした画像をそれぞれ右目画像及び左目画像として
３次元画像を作成する３次元画像変換方法。1. A three-dimensional image conversion method for creating a three-dimensional image having a right-eye image and a left-eye image based on an input two-dimensional image, wherein when the input two-dimensional image is a moving image, the input two-dimensional image signal and this image are The images shifted in the time axis direction are the right-eye image and the left-eye image, respectively, and when the input two-dimensional image is a still image, the input two-dimensional image and the image obtained by horizontally shifting the phase of the image are the right-eye image and the left-eye image, respectively. A three-dimensional image conversion method for creating a three-dimensional image.
出して、動画か静止画かを判定してなる請求項１記載の
３次元画像変換方法。2. The three-dimensional image conversion method according to claim 1, wherein a motion vector of the input two-dimensional image is detected to determine whether it is a moving image or a still image.
越えるとき動画とし、一定値以下のとき静止画とする請
求項２記載の３次元画像変換方法。3. The three-dimensional image conversion method according to claim 2, wherein when the horizontal component of the motion vector exceeds a certain value, it is a moving image, and when it is less than the certain value, it is a still image.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6162259A JP2983844B2 (en) | 1994-07-14 | 1994-07-14 | 3D image conversion method |
| US09/008,806 US6553184B1 (en) | 1994-03-14 | 1998-01-20 | Method of converting two dimensional images into three-dimensional images |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6162259A JP2983844B2 (en) | 1994-07-14 | 1994-07-14 | 3D image conversion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0830806A true JPH0830806A (en) | 1996-02-02 |
| JP2983844B2 JP2983844B2 (en) | 1999-11-29 |
Family
ID=15751045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6162259A Expired - Fee Related JP2983844B2 (en) | 1994-03-14 | 1994-07-14 | 3D image conversion method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2983844B2 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0735784A2 (en) * | 1995-03-29 | 1996-10-02 | Sanyo Electric Co. Ltd | Three-dimensional image display device |
| WO1998012879A1 (en) * | 1996-09-17 | 1998-03-26 | Imard Kabushikigaisha | Image signal processor |
| JP2001202532A (en) * | 1999-11-17 | 2001-07-27 | Korea Advanced Inst Of Sci Technol | Method for generating stereoscopic picture by using z buffer |
| US6641092B1 (en) * | 1999-10-15 | 2003-11-04 | Legrand | Support for devices, in particular for electrical devices, to be attached to the base section of trunking |
| EP2152011A2 (en) | 2008-08-06 | 2010-02-10 | Sony Corporation | Image processing apparatus, image processing method, and program |
| JP2010259017A (en) * | 2009-04-28 | 2010-11-11 | Nikon Corp | Display device, display method and display program |
| EP2461594A2 (en) | 2010-12-02 | 2012-06-06 | Sony Corporation | Image processing device, image processing method, and program |
| EP2469870A2 (en) | 2010-12-27 | 2012-06-27 | Sony Corporation | Image processing device, image processing method, and program |
| US8345086B2 (en) | 2008-09-09 | 2013-01-01 | Sony Corporation | Apparatus, method, and computer program for analyzing image data |
| US8405709B2 (en) | 2008-09-02 | 2013-03-26 | Sony Corporation | Image processing apparatus, image processing method, and program |
| US8866884B2 (en) | 2009-12-14 | 2014-10-21 | Sony Corporation | Image processing apparatus, image processing method and program |
| US8885922B2 (en) | 2011-06-17 | 2014-11-11 | Sony Corporation | Image processing apparatus, image processing method, and program |
| US10313660B2 (en) | 2009-10-28 | 2019-06-04 | Sony Corporation | Image processing apparatus, image processing method, and program |
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1994
- 1994-07-14 JP JP6162259A patent/JP2983844B2/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0735784A2 (en) * | 1995-03-29 | 1996-10-02 | Sanyo Electric Co. Ltd | Three-dimensional image display device |
| EP0735784A3 (en) * | 1995-03-29 | 1997-01-22 | Sanyo Electric Co | Three-dimensional image display device |
| US5784097A (en) * | 1995-03-29 | 1998-07-21 | Sanyo Electric Co., Ltd. | Three-dimensional image display device |
| WO1998012879A1 (en) * | 1996-09-17 | 1998-03-26 | Imard Kabushikigaisha | Image signal processor |
| US6641092B1 (en) * | 1999-10-15 | 2003-11-04 | Legrand | Support for devices, in particular for electrical devices, to be attached to the base section of trunking |
| JP2001202532A (en) * | 1999-11-17 | 2001-07-27 | Korea Advanced Inst Of Sci Technol | Method for generating stereoscopic picture by using z buffer |
| US8860784B2 (en) | 2008-08-06 | 2014-10-14 | Sony Corporation | Image processing apparatus, image processing method, and program |
| EP2152011A2 (en) | 2008-08-06 | 2010-02-10 | Sony Corporation | Image processing apparatus, image processing method, and program |
| US8405709B2 (en) | 2008-09-02 | 2013-03-26 | Sony Corporation | Image processing apparatus, image processing method, and program |
| US8345086B2 (en) | 2008-09-09 | 2013-01-01 | Sony Corporation | Apparatus, method, and computer program for analyzing image data |
| JP2010259017A (en) * | 2009-04-28 | 2010-11-11 | Nikon Corp | Display device, display method and display program |
| US10313660B2 (en) | 2009-10-28 | 2019-06-04 | Sony Corporation | Image processing apparatus, image processing method, and program |
| US8866884B2 (en) | 2009-12-14 | 2014-10-21 | Sony Corporation | Image processing apparatus, image processing method and program |
| EP2461594A2 (en) | 2010-12-02 | 2012-06-06 | Sony Corporation | Image processing device, image processing method, and program |
| EP2469870A2 (en) | 2010-12-27 | 2012-06-27 | Sony Corporation | Image processing device, image processing method, and program |
| US8885922B2 (en) | 2011-06-17 | 2014-11-11 | Sony Corporation | Image processing apparatus, image processing method, and program |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2983844B2 (en) | 1999-11-29 |
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