JP3157384B2 - 3D image device - Google Patents
3D image deviceInfo
- Publication number
- JP3157384B2 JP3157384B2 JP13747894A JP13747894A JP3157384B2 JP 3157384 B2 JP3157384 B2 JP 3157384B2 JP 13747894 A JP13747894 A JP 13747894A JP 13747894 A JP13747894 A JP 13747894A JP 3157384 B2 JP3157384 B2 JP 3157384B2
- Authority
- JP
- Japan
- Prior art keywords
- right images
- stereoscopic
- parallax
- image
- image position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N2013/0074—Stereoscopic image analysis
- H04N2013/0081—Depth or disparity estimation from stereoscopic image signals
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】この発明は、左右画像に基づい
て、立体画像を再現する立体映像装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional video apparatus for reproducing a three-dimensional image based on left and right images.
【０００２】[0002]
【従来の技術】両眼視差をもって左右画像を撮像し、撮
像した左右画像を表示装置に表示することにより、立体
画像を再現する立体撮像装置が知られている。2. Description of the Related Art There has been known a stereoscopic imaging apparatus that reproduces a stereoscopic image by capturing left and right images with binocular parallax and displaying the captured left and right images on a display device.
【０００３】[0003]
【発明が解決しようとする課題】このような立体映像装
置においては、同じ撮像条件で撮像された左右画像であ
っても、表示装置の種類、大きさ等によって、立体視の
状態が変化する。このため、使用する表示装置によって
は良好な立体画像が得られないという問題がある。In such a stereoscopic video apparatus, the state of stereoscopic vision varies depending on the type and size of the display device, even if the right and left images are captured under the same imaging conditions. Therefore, there is a problem that a good stereoscopic image cannot be obtained depending on the display device used.
【０００４】この発明は、使用する表示装置の種類、大
きさ等にかかわらず、良好な立体画像が得られる立体映
像装置を提供することを目的とする。[0004] It is an object of the present invention to provide a three-dimensional video device capable of obtaining a good three-dimensional image regardless of the type and size of a display device to be used.
【０００５】[0005]
【課題を解決するための手段】この発明による第１の立
体映像装置は、左右画像の対応する各領域ごとの視差量
を算出する手段、および算出された視差量に基づいて、
左右画像の水平方向の表示位置を制御する手段を備えて
いることを特徴とする。According to a first aspect of the present invention, there is provided a stereoscopic video apparatus comprising: means for calculating a parallax amount for each corresponding region of a left and right image;
It is characterized by comprising means for controlling the horizontal display position of the left and right images.
【０００６】この発明による第２の立体映像装置は、左
右画像を撮像するための２つの撮像光学系を有する撮像
手段、撮像手段の制御パラメータを撮像された左右画像
とともに記録する手段、および再生時に撮像手段の制御
パラメータに基づいて、左右画像の水平方向の表示位置
を制御する手段を備えていることを特徴とする。A second stereoscopic video apparatus according to the present invention comprises: an image pickup means having two image pickup optical systems for picking up left and right images; a means for recording control parameters of the image pickup means together with the picked up left and right images; The image display device further includes means for controlling a horizontal display position of the left and right images based on a control parameter of the imaging means.
【０００７】撮像手段の制御パラメータは、たとえば、
フォーカス情報、ズーム情報、輻輳角および２つの撮像
光学系の間隔からなる。The control parameters of the imaging means are, for example,
The information includes focus information, zoom information, a convergence angle, and an interval between two imaging optical systems.
【０００８】[0008]
【作用】この発明による第１の立体映像装置では、左右
画像の対応する各領域ごとの視差量が算出される。そし
て、算出された視差量に基づいて、左右画像の水平方向
の表示位置が制御される。In the first stereoscopic video apparatus according to the present invention, the amount of parallax for each of the corresponding regions of the left and right images is calculated. Then, the horizontal display position of the left and right images is controlled based on the calculated amount of parallax.
【０００９】この発明による第２の立体映像装置では、
撮像手段の制御パラメータが撮像された左右画像ととも
に記録される。そして、再生時においては、撮像手段の
制御パラメータに基づいて、左右画像の水平方向の表示
位置が制御される。In the second stereoscopic video apparatus according to the present invention,
The control parameters of the imaging means are recorded together with the captured left and right images. Then, at the time of reproduction, the horizontal display position of the left and right images is controlled based on the control parameters of the imaging means.
【００１０】[0010]
【実施例】図１は、立体映像装置の構成を示している。FIG. 1 shows the configuration of a stereoscopic video apparatus.
【００１１】この立体画像装置は、左画像を撮像するた
めの左画像用ビデオカメラ１と、右画像を撮像するため
の右画像用ビデオカメラ２を備えている。各ビデオカメ
ラ１、２は、レンズおよびＣＣＤの他、フォーカス調整
機構、アイリス調整機構等を備えている。The three-dimensional image device includes a left image video camera 1 for capturing a left image and a right image video camera 2 for capturing a right image. Each of the video cameras 1 and 2 includes a focus adjustment mechanism, an iris adjustment mechanism, and the like, in addition to a lens and a CCD.
【００１２】ここでフォーカスとは焦点である。アイリ
スとは絞りであり、焦点深度（焦点が合う距離の幅）と
関係している。アイリスが大きくなると焦点深度が浅く
なり、アイリスが小さくなると焦点深度が深くなる。２
台のビデオカメラ１、２の光軸のなす角度θは、輻輳角
である。この例では、輻輳角θは、固定されているもの
とする。Here, the focus is a focus. The iris is an iris, and is related to the depth of focus (the width of the focusing distance). As the iris increases, the depth of focus decreases. As the iris decreases, the depth of focus increases. 2
The angle θ between the optical axes of the video cameras 1 and 2 is the convergence angle. In this example, it is assumed that the convergence angle θ is fixed.
【００１３】各ビデオカメラ１、２の出力は、それぞれ
信号処理回路３、４に送られる。各信号処理回路３、４
は、入力信号から所定の映像信号を生成して出力すると
ともに、入力信号に基づいてフォーカス情報およびアイ
リス情報を生成して出力する。フォーカス情報およびア
イリス情報は、ＣＰＵ６に送られる。ＣＰＵ６は、フォ
ーカス情報およびアイリス情報に基づいて、各ビデオカ
メラ１、２のフォーカス調整機構およびアイリス調整機
構を制御する。The outputs of the video cameras 1 and 2 are sent to signal processing circuits 3 and 4, respectively. Each signal processing circuit 3, 4
Generates and outputs a predetermined video signal from an input signal, and generates and outputs focus information and iris information based on the input signal. The focus information and the iris information are sent to the CPU 6. The CPU 6 controls the focus adjustment mechanism and the iris adjustment mechanism of each of the video cameras 1 and 2 based on the focus information and the iris information.
【００１４】各ビデオカメラ１、２の出力は、視差量算
出回路５にも送られる。視差量算出回路５は、左右両画
面の対応する領域ごとの視差量を算出する。たとえば、
左右の各画面を６４の領域に分割し、対応する各領域ご
とに視差量が算出される。算出された各領域ごとの視差
量は、ＣＰＵ６に送られる。ＣＰＵ６には、さらに、各
ビデオカメラ１、２から現在のズーム情報等が送られて
いる。また、ＣＰＵ６は、図示しない記憶手段を備えて
おり、この記憶手段には、輻輳角θおよび２台のビデオ
カメラ１、２の間隔の情報が記憶されている。The outputs of the video cameras 1 and 2 are also sent to a parallax amount calculation circuit 5. The parallax amount calculation circuit 5 calculates a parallax amount for each of the corresponding regions on both the left and right screens. For example,
The left and right screens are divided into 64 regions, and the amount of parallax is calculated for each corresponding region. The calculated parallax amount for each area is sent to the CPU 6. The current zoom information and the like are sent from the video cameras 1 and 2 to the CPU 6. The CPU 6 includes a storage unit (not shown), and stores information on the convergence angle θ and the interval between the two video cameras 1 and 2.
【００１５】各信号処理回路３、４から出力される映像
信号は、多重回路７に送られる。また、ＣＰＵ６から
は、分割領域ごとの視差量、フォーカス情報、現在のズ
ーム情報、輻輳角および２台のビデオカメラの間隔から
なる制御情報が、多重回路７に送られる。The video signals output from the signal processing circuits 3 and 4 are sent to a multiplexing circuit 7. In addition, the CPU 6 sends control information including the amount of parallax for each divided area, focus information, current zoom information, a convergence angle, and an interval between two video cameras to the multiplexing circuit 7.
【００１６】多重回路７では、左右画像の映像信号およ
び制御情報が多重される。制御情報は、たとえば、映像
信号の垂直ブランキング期間に挿入される。The multiplexing circuit 7 multiplexes video signals of left and right images and control information. The control information is inserted, for example, in a vertical blanking period of the video signal.
【００１７】多重回路７から出力される多重信号は、記
録回路８によってビデオテープ等の記録媒体９に記録さ
れる。記録媒体９に記録された多重信号は、再生回路１
０によって読み出された後、分離回路１１によって、左
右画像の映像信号および制御信号に分離される。The multiplexed signal output from the multiplexing circuit 7 is recorded by a recording circuit 8 on a recording medium 9 such as a video tape. The multiplex signal recorded on the recording medium 9 is output to the reproduction circuit 1
After being read by 0, the image data is separated by the separation circuit 11 into video signals and control signals of left and right images.
【００１８】各映像信号は、水平方向の画像表示位置を
制御するための水平シフト回路１３、１４にそれぞれ送
られる。制御信号は、両水平シフト回路１３、１４を制
御するＣＰＵ１２に送られる。Each video signal is sent to horizontal shift circuits 13 and 14 for controlling the image display position in the horizontal direction. The control signal is sent to the CPU 12 that controls the horizontal shift circuits 13 and 14.
【００１９】ＣＰＵ１２は、立体表示装置１５に適した
立体視を実現できるように、制御信号に基づいて、各水
平シフト回路１３、１４によるシフト方向（右方向また
は左方向）およびシフト量を制御する。各水平シフト回
路１３、１４から出力される映像信号は、立体表示装置
１５に送られて、表示される。The CPU 12 controls a shift direction (rightward or leftward) and a shift amount by each of the horizontal shift circuits 13 and 14 based on a control signal so that stereoscopic vision suitable for the stereoscopic display device 15 can be realized. . Video signals output from the horizontal shift circuits 13 and 14 are sent to the stereoscopic display device 15 and displayed.
【００２０】制御信号に含まれている各領域の視差量に
基づいて、各水平シフト回路１３、１４を制御する場合
について、説明する。The case where the horizontal shift circuits 13 and 14 are controlled based on the parallax amount of each area included in the control signal will be described.
【００２１】図２は、立体表示装置１５のモニタ面Ｓ上
に表示される左画像および右画像ならびにそれらの画像
の立体像位置を示している。FIG. 2 shows the left image and the right image displayed on the monitor surface S of the three-dimensional display device 15 and the three-dimensional image positions of those images.
【００２２】立体表示装置１５のモニタ面Ｓと、観察者
の目２１、２２との好適な間隔を適視距離Ａとする。ま
た、モニタ面Ｓ上での注視物体の右画像Ｒと左画像Ｌと
の間隔を視差Ｂとする。また、観察者の眼間距離をＣと
する。適視距離Ａは、立体表示装置１５の種類、大きさ
等によって決定される。また、映像信号が同じであって
も注視物体の視差Ｂは、立体表示装置１５の種類、大き
さ等によって異なる。A suitable distance between the monitor surface S of the stereoscopic display device 15 and the eyes 21 and 22 of the observer is defined as an appropriate viewing distance A. The distance between the right image R and the left image L of the gazing object on the monitor surface S is defined as a parallax B. The distance between the eyes of the observer is represented by C. The suitable viewing distance A is determined depending on the type, size, and the like of the stereoscopic display device 15. Further, even if the video signal is the same, the parallax B of the watched object differs depending on the type, size, and the like of the stereoscopic display device 15.
【００２３】適視距離Ａと、視差Ｂと、眼間距離Ｃによ
り、注視物体の立体像位置Ｐは決まる。眼間距離Ｃは、
ほぼ一定であるとすると、注視物体の立体像位置Ｐは適
視距離Ａと視差Ｂとによって決まる。The three-dimensional image position P of the gazing object is determined by the suitable viewing distance A, the parallax B, and the interocular distance C. The interocular distance C is
Assuming that it is substantially constant, the stereoscopic image position P of the gazing object is determined by the suitable viewing distance A and the parallax B.
【００２４】すなわち、観察者の左目２１とモニタ面Ｓ
上に表示される注視物体の左画像Ｌとを結ぶ線を２３と
し、観察者の右目２２とモニタ面Ｓ上に表示される注視
物体の右画像Ｒとを結ぶ線を２４とすると、線２３と２
４との交点が立体像位置Ｐとなる。That is, the left eye 21 of the observer and the monitor surface S
Assuming that a line connecting the left image L of the gazing object displayed above is 23 and a line connecting the right eye 22 of the observer and the right image R of the gazing object displayed on the monitor surface S is 24, a line 23 And 2
The intersection with 4 is the stereoscopic image position P.
【００２５】観察者の眼間距離Ｃおよび観察者の融合の
度合には個人差があるが、適視距離Ａが決まると、立体
視できる限界立体像位置に対する限界視差が決定され
る。Although there is an individual difference in the distance C between the eyes of the observer and the degree of fusion of the observers, when the suitable viewing distance A is determined, the limit parallax for the limit stereoscopic image position capable of stereoscopic viewing is determined.
【００２６】たとえば、図３（ａ）に示すように、所定
の適視距離Ａにおいて、モニタ面Ｓから前方向の限界立
体像位置までの範囲をＷｆとすると、前方向の限界立体
像位置に対する視差（前方向限界視差）Ｂｆが決定され
る。For example, as shown in FIG. 3 (a), when a range from the monitor surface S to the front limit three-dimensional image position at a predetermined suitable viewing distance A is Wf, the range from the front limit three-dimensional image position to the front limit three-dimensional image position is determined. The disparity (forward limit disparity) Bf is determined.
【００２７】また、図３（ｂ）に示すように、所定の適
視距離Ａにおいて、モニタ面Ｓから後方向の限界立体像
位置までの範囲をＷｒとすると、後方向の限界立体像位
置に対する視差（後方向限界視差）Ｂｒが決定される。As shown in FIG. 3 (b), when the range from the monitor surface S to the rearward limit three-dimensional image position is Wr at a predetermined suitable viewing distance A, the rearward limit three-dimensional image position is determined. The disparity (backward limit disparity) Br is determined.
【００２８】図１の分離回路１１によって分離された左
右画像の両映像信号をそのまま立体表示装置１５に表示
した場合に、図４に示すように、２つの対象物体が左画
像Ｌ１、Ｌ２および右画像Ｒ１、Ｒ２として表示される
とする。左画像Ｌ１と右画像Ｒ１とは同じ対象物体に対
する画像であり、左画像Ｌ２と右画像Ｒ２とは同じ対象
物体に対する画像である。When both video signals of the left and right images separated by the separation circuit 11 of FIG. 1 are displayed on the stereoscopic display device 15 as they are, as shown in FIG. 4, the two target objects are left images L1, L2 and right It is assumed that the images are displayed as images R1 and R2. The left image L1 and the right image R1 are images for the same target object, and the left image L2 and the right image R2 are images for the same target object.
【００２９】この場合には、図５に示すように、両対象
物体の立体像位置範囲はＷとなり、その一部が限界立体
像位置範囲ＷＭの前端から前側にはみ出でしまう。そう
すると、正常な立体視ができなくなる。ここで、限界立
体像位置範囲ＷＭとは、モニタ面Ｓから前方向の限界立
体像位置までの範囲Ｗｆ（図３（ａ）参照）と、モニタ
面Ｓから後方向の限界立体像位置までの範囲Ｗｒ（図３
（ｂ）参照）とを合わせた範囲である。In this case, as shown in FIG. 5, the stereoscopic image position range of both target objects is W, and a part thereof protrudes from the front end of the limit stereoscopic image position range WM to the front side. Then, normal stereoscopic vision cannot be obtained. Here, the limit stereoscopic image position range WM includes a range Wf from the monitor surface S to the front limit stereoscopic image position (see FIG. 3A) and a range Wf from the monitor surface S to the rearward limit stereoscopic image position. Range Wr (FIG. 3
(See (b)).
【００３０】このような場合には、左画像を左方向にシ
フトさせ、右画像を右方向にシフトさせる。そうする
と、左画像Ｌ１、Ｌ２および右画像Ｒ１、Ｒ２は、図６
のように表示される。この場合には、図７に示すよう
に、両対象物体の立体像位置範囲Ｗは後方にシフトさ
れ、限界立体像位置範囲ＷＭ内に収まるようになる。In such a case, the left image is shifted to the left and the right image is shifted to the right. Then, the left images L1, L2 and the right images R1, R2 are as shown in FIG.
Is displayed as follows. In this case, as shown in FIG. 7, the three-dimensional image position range W of both target objects is shifted backward, and falls within the limit three-dimensional image position range WM.
【００３１】分離回路１１によって分離された左右画像
をそのまま立体表示装置１５に表示した場合に、立体像
位置範囲Ｗが限界立体像位置範囲ＷＭを前方向または後
方向に越えるか否かは、各領域ごとの視差量と予め決定
された限界視差Ｂｆ、Ｂｒ（図３参照）とに基づいて判
定される。When the left and right images separated by the separation circuit 11 are displayed on the stereoscopic display device 15 as they are, it is determined whether the stereoscopic image position range W exceeds the limit stereoscopic image position range WM in the forward or rearward direction. The determination is made based on the parallax amount for each area and the predetermined limit parallaxes Bf and Br (see FIG. 3).
【００３２】また、分離回路１１によって分離された左
右画像をそのまま立体表示装置１５に表示した場合に、
図８に示すように、立体像位置範囲Ｗが限界立体像位置
範囲ＷＭ内に収まっていても、立体像位置範囲Ｗがモニ
タ面Ｓの近傍付近にあり、立体感がさほどでない場合が
ある。このような場合には、図９に示すように、限界立
体像位置範囲ＷＭ内において、立体像位置範囲Ｗを前方
にシフトさせるように左右画像をシフト制御することに
より、立体感を増加させることができる。When the left and right images separated by the separation circuit 11 are displayed on the three-dimensional display device 15 as they are,
As illustrated in FIG. 8, even when the stereoscopic image position range W falls within the limit stereoscopic image position range WM, the stereoscopic image position range W is near the monitor surface S, and the stereoscopic effect may not be so large. In such a case, as shown in FIG. 9, the stereoscopic effect is increased by performing shift control on the left and right images so as to shift the stereoscopic image position range W forward within the limit stereoscopic image position range WM. Can be.
【００３３】分離回路１１によって分離された左右画像
をそのまま立体表示装置１５に表示した場合に、立体像
位置範囲Ｗがモニタ面Ｓの近傍付近に位置するか否か
は、各領域ごとの視差量と予め決定された限界視差Ｂ
ｆ、Ｂｒ（図３参照）とに基づいて判定される。When the left and right images separated by the separation circuit 11 are displayed on the stereoscopic display device 15 as they are, whether or not the stereoscopic image position range W is located near the monitor surface S is determined by the parallax amount for each region. And predetermined limit disparity B
The determination is made based on f and Br (see FIG. 3).
【００３４】次に、制御信号に含まれているフォーカス
情報、ズーム情報、輻輳角および２台のビデオカメラ
１、２の間隔（光軸間距離）といった撮像手段（ビデオ
カメラ１、２）の制御パラメータに基づいて、各水平シ
フト回路１３、１４を制御する場合について説明する。Next, control of the image pickup means (video cameras 1 and 2) such as focus information, zoom information, convergence angle, and the distance between the two video cameras 1 and 2 (distance between optical axes) included in the control signal. A case where each of the horizontal shift circuits 13 and 14 is controlled based on a parameter will be described.
【００３５】図１０に示すように、フォーカス情報およ
びズーム情報により、両ビデオカメラ１、２の間の中心
点から主要被写体Ｘまでの距離（主要被写体距離）Ｅが
求まる。また、輻輳角θ、光軸間距離Ｄに基づいて、両
ビデオカメラ１、２の光軸の交点Ｙまでの距離（輻輳交
点距離）Ｆが求まる。そして、主要被写体距離Ｅ、輻輳
交点距離Ｆおよび光軸間距離Ｄに基づいて、各ビデオカ
メラ１、２と主要被写体Ｘとを結ぶ線と、各ビデオカメ
ラ１、２の光軸とのなす角αが求まる。As shown in FIG. 10, a distance (main subject distance) E from the center point between the two video cameras 1 and 2 to the main subject X is obtained from the focus information and the zoom information. Further, based on the convergence angle θ and the optical axis distance D, a distance (convergence intersection distance) F to the intersection Y of the optical axes of the video cameras 1 and 2 is obtained. Then, based on the main subject distance E, the convergence intersection distance F, and the optical axis distance D, the angle between the line connecting each of the video cameras 1, 2 and the main subject X and the optical axis of each of the video cameras 1, 2 α is found.
【００３６】両ビデオカメラ１、２の光軸の交点Ｙと主
要被写体Ｘとの間隔（Ｆ−Ｅ）は、主要被写体Ｘの左右
画像間距離（視差）に比例する。そして、交点Ｙと主要
被写体Ｘとの間隔（Ｆ−Ｅ）は角度αに比例するので、
角度αの大きさは主要被写体Ｘの左右画像間距離（視
差）に比例する。The distance (FE) between the intersection Y of the optical axes of the video cameras 1 and 2 and the main subject X is proportional to the distance (parallax) between the left and right images of the main subject X. Since the interval (FE) between the intersection Y and the main subject X is proportional to the angle α,
The size of the angle α is proportional to the distance (parallax) between the left and right images of the main subject X.
【００３７】ビデオカメラ１、２のカメラ画角は予めわ
かっているため、角度αがモニタ上の何画素に相当する
かを計算することができる。つまり、制御信号に含まれ
ているフォーカス情報、ズーム情報、輻輳角、２台のビ
デオカメラ１、２の間隔（光軸間距離）に基づいて、主
要被写体Ｘのモニタ面上での視差を求めることができ
る。Since the camera angles of view of the video cameras 1 and 2 are known in advance, it is possible to calculate how many pixels the angle α corresponds to on the monitor. That is, the parallax of the main subject X on the monitor surface is obtained based on the focus information, the zoom information, the convergence angle, and the distance between the two video cameras 1 and 2 (the distance between the optical axes) included in the control signal. be able to.
【００３８】そして、求められた主要被写体Ｘの視差
と、立体表示装置１５の限界視差とに基づいて、主要被
写体Ｘの立体像位置範囲が限界立体像位置範囲を前方向
または後方向に越えるか否か、主要被写体Ｘの立体像位
置範囲がモニタ面の近傍付近に位置するか否かを判別す
ることができる。Then, based on the obtained parallax of the main subject X and the limit parallax of the stereoscopic display device 15, it is determined whether the stereoscopic image position range of the main subject X exceeds the limit stereoscopic image position range in the forward or rearward direction. It is possible to determine whether or not the stereoscopic image position range of the main subject X is located near the vicinity of the monitor surface.
【００３９】主要被写体Ｘの立体像位置が限界立体像範
囲内にないと判別されたときには、主要被写体の立体像
位置を限界立体像範囲内に収まるように、左右画像が水
平シフトせしめられる。また、求められた主要被写体の
立体像位置がモニタ面の近傍付近にあると判別された場
合には、限界立体像位置範囲内において、主要被写体の
立体像位置を前方にシフトさせるように左右画像をシフ
ト制御することにより、立体感を増加させることができ
る。When it is determined that the stereoscopic image position of the main subject X is not within the limit stereoscopic image range, the left and right images are horizontally shifted so that the stereoscopic image position of the main subject X falls within the limit stereoscopic image range. If it is determined that the obtained stereoscopic image position of the main subject is near the monitor surface, the left and right images are shifted so that the stereoscopic image position of the main subject is shifted forward within the limit stereoscopic image position range. By performing the shift control on, the stereoscopic effect can be increased.
【００４０】左右画像の水平シフト制御は、視差量に基
づいて行ってもよいし、フォーカス情報、ズーム情報、
輻輳角および２台のビデオカメラ１、２の間隔といった
撮像手段（ビデオカメラ１、２）の制御パラメータに基
づいて行ってもよい。また、視差量および撮像手段の制
御パラメータの両方に基づいて左右画像の水平シフト制
御を行ってもよい。The horizontal shift control of the left and right images may be performed based on the amount of parallax, or focus information, zoom information,
This may be performed based on control parameters of the imaging means (video cameras 1 and 2) such as a convergence angle and an interval between the two video cameras 1 and 2. Further, the horizontal shift control of the left and right images may be performed based on both the amount of parallax and the control parameter of the imaging unit.
【００４１】左右画像の水平シフト制御を視差量に基づ
いて行う場合には、撮像された左右画像の映像信号と視
差量とを多重して記録すればよい。また、左右画像の水
平シフト制御を撮像手段の制御パラメータに基づいて行
う場合には、撮像された左右画像の映像信号と撮像手段
の制御パラメータとを多重して記録すればよい。When the horizontal shift control of the left and right images is performed based on the amount of parallax, the video signals of the captured left and right images and the amount of parallax may be multiplexed and recorded. When the horizontal shift control of the left and right images is performed based on the control parameters of the imaging unit, the video signals of the captured left and right images and the control parameters of the imaging unit may be multiplexed and recorded.
【００４２】また、左右画像の水平シフト制御を視差量
に基づいて行う場合には、再生側で、左右画像の映像信
号から対応する領域ごとの視差量を算出するようにして
もよい。この場合には、撮像側で視差量を算出しなくて
済む。When the horizontal shift control of the left and right images is performed based on the amount of parallax, the reproducing side may calculate the amount of parallax for each corresponding region from the video signals of the right and left images. In this case, it is not necessary to calculate the amount of parallax on the imaging side.
【００４３】上記実施例では、２台のビデオカメラ１、
２により、左右画像が撮像されているが、左右画像を撮
像する撮像手段としては、１つの撮像デバイスに左画像
と右画像とを時分割して交互に結像させるもの、１つの
撮像デバイスの受光面を２分割して、一方に左画像を結
像させ、他方に右画像を結像させるもの等を用いること
ができる。In the above embodiment, two video cameras 1,
2, the left and right images are captured. The imaging unit that captures the left and right images is a single imaging device that forms the left image and the right image alternately in a time-sharing manner and alternately forms one imaging device. A light-receiving surface may be divided into two parts, and one may be used to form a left image on one side and a right image on the other side.
【００４４】図１では、左右画像を撮像する撮像部か
ら、左右画像を表示する表示部へのデータの伝達は、記
録回路８、記録媒体９および再生回路１０を介して行わ
れているが、撮像部から表示部へのデータの伝達を有線
伝送または無線伝送によって行うようにしてもよい。In FIG. 1, the transmission of data from the imaging unit for capturing the left and right images to the display unit for displaying the left and right images is performed via the recording circuit 8, the recording medium 9, and the reproduction circuit 10. The transmission of data from the imaging unit to the display unit may be performed by wired transmission or wireless transmission.
【００４５】[0045]
【発明の効果】この発明によれば、使用する表示装置の
種類、大きさ等にかかわらず、良好な立体画像が得られ
る。According to the present invention, a good stereoscopic image can be obtained regardless of the type and size of the display device used.
【図１】立体映像装置の構成を示すブロック図である。FIG. 1 is a block diagram illustrating a configuration of a stereoscopic video device.
【図２】立体表示装置の適視距離、左右画像間距離（視
差）および眼間距離と、立体像位置との関係を示す図で
ある。FIG. 2 is a diagram illustrating a relationship between an appropriate viewing distance, a distance between left and right images (parallax) and an interocular distance of a stereoscopic display device, and a stereoscopic image position.
【図３】立体表示装置の限界視差を説明するための説明
図である。FIG. 3 is an explanatory diagram for explaining a limit parallax of the stereoscopic display device.
【図４】左画像と右画像の一例を示す模式図である。FIG. 4 is a schematic diagram illustrating an example of a left image and a right image.
【図５】図４の画像の立体像位置範囲が限界立体像位置
範囲を越えていることを示す図である。5 is a diagram showing that the stereoscopic image position range of the image in FIG. 4 exceeds the limit stereoscopic image position range.
【図６】図４の左右画像が水平シフトされた後の左画像
および右画像を示す模式図である。6 is a schematic diagram showing a left image and a right image after the left and right images of FIG. 4 have been horizontally shifted.
【図７】図６の画像の立体像位置範囲が限界立体像位置
範囲内に収められていることを示す図である。FIG. 7 is a diagram showing that the stereoscopic image position range of the image in FIG. 6 is within the limit stereoscopic image position range.
【図８】立体像位置範囲がモニタ面近傍にある場合を示
す図である。FIG. 8 is a diagram illustrating a case where a stereoscopic image position range is near a monitor surface.
【図９】図８の左右画像を水平シフトすることにより、
立体像位置範囲を前方に移動させた場合の立体像位置範
囲を示す図である。FIG. 9 shows a horizontal shift of the left and right images of FIG.
FIG. 4 is a diagram illustrating a stereoscopic image position range when the stereoscopic image position range is moved forward.
【図１０】撮像手段の制御パラメータに基づいて、主要
被写体の視差を求める方法を説明するための説明図であ
る。FIG. 10 is an explanatory diagram for describing a method of obtaining a parallax of a main subject based on control parameters of an imaging unit.
１、２ ビデオカメラ ３、４ 信号処理回路 ５ 視差量算出回路 ６ ＣＰＵ ７ 多重回路 ８ 記録回路 ９ 記録媒体 １０ 再生回路 １１ 分離回路 １２ ＣＰＵ １３、１４ 水平シフト回路 １５ 立体表示装置 1, 2 Video camera 3, 4 Signal processing circuit 5 Parallax amount calculation circuit 6 CPU 7 Multiplex circuit 8 Recording circuit 9 Recording medium 10 Reproduction circuit 11 Separation circuit 12 CPU 13, 14 Horizontal shift circuit 15 Stereoscopic display device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 松平 盛夫 大阪府守口市京阪本通２丁目５番５号 三洋電機株式会社内 (72)発明者 金山 秀行 大阪府守口市京阪本通２丁目５番５号 三洋電機株式会社内 (56)参考文献 特開 昭62−115989（ＪＰ，Ａ) 特開 平１−93980（ＪＰ，Ａ) 特開 平１−212976（ＪＰ，Ａ) 特開 昭58−53707（ＪＰ，Ａ) 特開 昭64−73469（ＪＰ，Ａ) 特開 昭64−37468（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H04N 13/00 - 15/00 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Morio Matsudaira 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Hideyuki Kanayama 2-5-2 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (56) References JP-A-62-115989 (JP, A) JP-A-1-93980 (JP, A) JP-A-1-12976 (JP, A) JP-A-58-1983 53707 (JP, A) JP-A-64-73469 (JP, A) JP-A-64-37468 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H04N 13/00-15 / 00
Claims (3)
を算出する手段、および算出された視差量に基づいて、
左右画像の水平方向の表示位置を制御する手段を備えて
いる立体映像装置。1. A means for calculating the amount of parallax for each corresponding region of the left and right images, and based on the calculated amount of parallax,
A stereoscopic video device comprising means for controlling a horizontal display position of left and right images.
学系を有する撮像手段、撮像手段の制御パラメータを撮
像された左右画像とともに記録する手段、および再生時
に撮像手段の制御パラメータに基づいて、左右画像の水
平方向の表示位置を制御する手段を備えている立体映像
装置。2. An imaging unit having two imaging optical systems for imaging left and right images, a unit for recording control parameters of the imaging unit together with the captured left and right images, and a control parameter of the imaging unit during reproduction. A stereoscopic video device comprising means for controlling a horizontal display position of left and right images.
ーカス情報、ズーム情報、輻輳角および２つの撮像光学
系の間隔である請求項２記載の立体映像装置。3. The stereoscopic video apparatus according to claim 2, wherein the control parameters of the imaging means are focus information, zoom information, a convergence angle, and an interval between the two imaging optical systems.
Priority Applications (1)
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|---|---|---|---|
| JP13747894A JP3157384B2 (en) | 1994-06-20 | 1994-06-20 | 3D image device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13747894A JP3157384B2 (en) | 1994-06-20 | 1994-06-20 | 3D image device |
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| Publication Number | Publication Date |
|---|---|
| JPH089421A JPH089421A (en) | 1996-01-12 |
| JP3157384B2 true JP3157384B2 (en) | 2001-04-16 |
Family
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