WO2004100562A1 - 立体映像信号変換方法及び装置 - Google Patents
立体映像信号変換方法及び装置 Download PDFInfo
- Publication number
- WO2004100562A1 WO2004100562A1 PCT/JP2003/005712 JP0305712W WO2004100562A1 WO 2004100562 A1 WO2004100562 A1 WO 2004100562A1 JP 0305712 W JP0305712 W JP 0305712W WO 2004100562 A1 WO2004100562 A1 WO 2004100562A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video
- image
- video signal
- synthesizing
- stereoscopic video
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/139—Format conversion, e.g. of frame-rate or size
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
Definitions
- the present invention relates to a stereoscopic video signal conversion method and apparatus, and more particularly to a stereoscopic video signal conversion method and apparatus that can use an existing recording apparatus and a recording apparatus with a compression / decompression function.
- the first method is to record the images captured by the two cameras using independent recording and playback devices, or to transmit each image over independent lines.
- the left and right video signals are divided into horizontal scanning lines, In some cases, the left and right scanning lines are alternately mixed in one field or frame.
- the present invention provides a stereoscopic video signal conversion method and apparatus capable of accurately synchronizing the left and right videos and compressing / expanding the video using existing compression / expansion technology. Aim. Disclosure of the invention
- a stereoscopic video signal stereoscopic video signal conversion method comprising:
- the composite boundary of the video is such that the inverted video and the other video are continuous on the same side of the video, they are arranged at the same location in the video of the same region and in the same direction.
- the fluctuation of the image at the boundary line is reduced.
- it can be processed as one image there is no time delay between the left and right images. Furthermore, even if the video feed is stopped or skipped due to line conditions, the left and right video can be accurately distinguished.
- a step of thinning out the video signal so that the synthesized video is stored in one frame is provided. It is assumed that.
- the recording transmission technology and the compression / expansion technology that have been used conventionally can be used as they are.
- the step of synthesizing the video includes synthesizing the video and scanning one frame. It is characterized in that it is performed by touching one side parallel to the line.
- ADVANTAGE OF THE INVENTION when a horizontally continuous image such as the ground or the sky is included in the upper and lower sides, the degree of discontinuity is small, and a good image is maintained during compression and expansion.
- the step of synthesizing the video includes the steps of synthesizing the video and scanning one frame. It is characterized in that one side perpendicular to the line is touched.
- ADVANTAGE OF THE INVENTION in the case of an image in which a vertically continuous image such as a wall is included on the left and right sides, the degree of discontinuity is small, and a good image is maintained during compression and expansion.
- the present invention described in claim 5 is a stereoscopic video signal conversion device for converting a stereoscopic video signal created by shooting with two cameras on the left and right into a format for recording and transmitting, wherein: Stereoscopic video signal conversion, comprising: video inverting means for inverting one video to a mirror image; and video synthesizing means for synthesizing the inverted video and the other video so as to be continuous on the same side of the video. Device.
- the composite boundary of the video is the same side of the video as the inverted video and the other video, the same region is arranged in the same place and further in the same direction of the video taken at a viewing angle. Therefore, the fluctuation of the image at the boundary line is reduced. For this reason, it is possible to easily perform compression / expansion of the video as one screen, and the compression / expansion processing reduces the deterioration of the video. Also, since it can be processed as one image, there is no time delay between the left and right images. In addition, video transmission may stop or skip due to line conditions. Even if you do, the left and right images can be accurately distinguished.
- a video thinning means for thinning out a video signal so that the synthesized video is stored in one frame. It is characterized by the following. According to the present invention, the recording transmission technology and the compression / expansion technology used conventionally can be used as they are.
- the image synthesizing unit is configured such that one frame extends one side parallel to the scanning line. It is characterized in that it is performed in contact.
- ADVANTAGE OF THE INVENTION when a horizontally continuous image such as the ground or the sky is included in the upper and lower sides, the degree of discontinuity is small, and a good image is maintained during compression and expansion.
- the video synthesizing unit is configured to connect one frame to one side perpendicular to a scanning line. It is characterized in that
- FIG. 1 is a block diagram showing a stereoscopic video signal conversion method and apparatus according to the present invention.
- FIG. 2 is a diagram showing a state of video conversion of the stereoscopic video signal conversion method and apparatus shown in FIG.
- FIG. 1 is a block diagram showing a stereoscopic video signal conversion method and apparatus according to the present invention together with a state of the signal conversion
- FIG. FIG. 1 is a block diagram showing a stereoscopic video signal conversion method and apparatus according to the present invention together with a state of the signal conversion
- the three-dimensional video signal conversion device includes two imaging means, CCD cameras 1 L and 1 R, separated by a predetermined distance d, video thinning means 3, and It comprises: video reversing means 4 and video synthesizing means 5.
- the CCD cameras 1 L and 1 R capture the landscape 10, and the landscape 10 includes the person 11, the ground 12, the sky 13, and the building 14.
- Each image is composed of, for example, an interlaced image of 512 scanning lines, and includes a person 21 L, 21, a ground 22 21 ⁇ , 22 R, a sky 23 L, 23 R, and a building. 24 L, 24 R are displayed.
- the image thinning means 3 thins out the image signal so that the images of both images 2L and 2R are stored in one frame. This is realized by, for example, a method of thinning out the scanning lines constituting an image every line or every other pixel in each line. In the case of an interlaced signal, only the first field (odd lines 1, 3, 5, and 125th scanning lines) of the left first image 2L consisting of 512 scanning lines is acquired. Then, the interval between the scanning lines is narrowed, and an image 2 LC of 256 lines in total is obtained.
- the even-numbered Select an even line, and select an even-numbered line on the right screen to narrow the interval between scanning lines.
- the image inverting means 4 inverts the image of one of the two left and right images, the right image 2RC in this example, into a mirror image based on a line parallel to the scanning line. As a result, an inverted image 2 RCM is obtained. This inversion may be performed for the left image 2LC.
- the image synthesizing means 5 synthesizes one image in which the lower side 2LD of the left side image 2LC and the upper side 2RMCU of the inverted image 2RCM are connected. As a result, as shown in FIG. 1 and FIG. 2 (1), in the combined image, the ground and buildings of both images are continuous, and the discontinuity of the image is reduced.
- the final image 6 is obtained.
- the upper 6L of one image 6 contains 6 1L of people, 6 2L of ground, 6 3L of sky, 6 4L of buildings, and 6R of lower 6R. , Person 6 1 R, ground 6 2
- compression and decompression of the video can be easily performed as one screen, and the degradation of the video is reduced even if the compression and decompression processing is performed. Also, since it can be processed as one image, there is no time delay between the left and right images. Furthermore, even if the video feed is stopped or skipped due to line conditions, the left and right video can be accurately distinguished. Furthermore, in this example, the synthesized video is stored in one frame, so the recording and transmission technologies (NTSC, PAL, HDTV, etc.) and compression / expansion technologies (MP EG etc.) can be used as it is.
- the image combining means combined one screen with the left image on the upper side and the right image on the lower side. However, as shown in FIG. And compose one screen with the left image on the bottom. May be performed.
- the video thinning means 3 is arranged at the upper stage of the video inverting means 4, but this is arranged at the lower stage of the video inverting means 4 or between the video inverting means and the video synthesizing means. May be arranged at any position.
- FIG. 3 shows another embodiment of the present invention.
- the image thinning means forms a thinned image by thinning every other pixel arranged in one scanning line.
- the image inverting means 4 inverts one of the two left and right images, in this example, the image of the right image 2R into a mirror image based on a line perpendicular to the scanning line.
- the image synthesizing means 5 synthesizes such that the right side of the left image 2L and the left side 2RMU of the inverted image 2RM become one continuous image.
- the left 7L of one image 7 includes the person 71L, the ground 72L, the sky 73L, the building 74L, and the right side.
- 7R includes people 71R, ground 72R, sky 73R, and building 74R.
- the sky 73 L and the sky 73 R of both images and the building 74 L and the building 74 R are continuous with each other, and the discontinuity of the image is small as in the above example. .
- the image synthesizing unit 5 synthesizes one screen with the left image on the left side and the right image on the right side.
- One screen may be configured so that the left image is on the left and the left image is on the right.
- the video can be easily compressed and decompressed as one screen, as in the above example, and the degradation of the video is reduced even if the compression and decompression processing is performed. Also, since it can be processed as one image, there is no time delay between the left and right images. Furthermore, even if the video feed is stopped or skipped due to line conditions, the left and right video can be accurately distinguished.
- the synthesized video is stored in one frame, so that the conventional recording and transmission technology and compression / expansion technology can be used as they are.
- a video signal with an aspect ratio of 3: 4 was synthesized by arranging two images side by side without thinning, and recorded directly in a format based on the 16: 9 wide image standard. be able to.
- the recording device and the medium can be used as they are.
- one of the two images is inverted to a mirror image. And a step of synthesizing the inverted video and the other video so as to be continuous on the same side of the video.
- the composite boundary of the video is the same side of the video as the inverted video and the other video, the same area is arranged at the same location and in the same direction of the video taken with the viewing angle.
- the fluctuation of the image at the boundary line is reduced.
- video compression / expansion can be easily performed as one screen, and even if compression / expansion processing is performed, video degradation is reduced.
- it can be processed as one image there is no time delay between the left and right images.
- the left and right video can be accurately distinguished.
- a step of thinning out a video signal so that the synthesized video is stored in one frame is provided. It is assumed that.
- the recording transmission technology and the compression / expansion technology used conventionally can be used as they are.
- the step of synthesizing the video includes synthesizing the video and scanning one frame. One side parallel to the line It is characterized in that it is performed in contact. '
- the step of synthesizing the video includes the steps of synthesizing the video and scanning one frame. It is characterized in that one side perpendicular to the line is touched.
- the present invention described in claim 5 is a stereoscopic video signal conversion device that converts a stereoscopic video signal created by photographing with two cameras on the left and right into a format for recording and transmitting, wherein one of the two videos is Stereoscopic video, comprising: video inverting means for inverting the video of the image to a mirror image; and video synthesizing means for synthesizing the inverted video and the other video so as to be continuous on the same side of the video. It is a signal conversion device.
- the composite border of the video is the same side of the video as the inverted video and the other video, the same area is located at the same location and in the same direction of the video taken with a viewing angle.
- the fluctuation of the image at the boundary line is reduced.
- video compression / expansion can be easily performed as one screen, and even if compression / expansion processing is performed, video degradation is reduced.
- it can be processed as one image there is no time delay between the left and right images.
- the left and right video can be accurately distinguished.
- the stereoscopic video signal converter according to the fifth aspect, wherein the synthesized video is stored in one frame.
- a thinning means for thinning out an image signal is provided.
- the recording transmission technology and the compression / expansion technology used conventionally can be used as they are.
- the image synthesizing unit is configured to connect one frame to one side parallel to the scanning line. It is characterized by performing
- the present invention described in claim 8 is a stereoscopic video signal conversion device according to any one of claim 5 and claim 6, wherein the video synthesizing unit includes one frame perpendicular to one side of the scanning line. Is performed in contact with .
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004571560A JPWO2004100562A1 (ja) | 2003-05-07 | 2003-05-07 | 立体映像信号変換方法及び装置 |
PCT/JP2003/005712 WO2004100562A1 (ja) | 2003-05-07 | 2003-05-07 | 立体映像信号変換方法及び装置 |
AU2003234906A AU2003234906A1 (en) | 2003-05-07 | 2003-05-07 | Method and system for converting stereoscopic video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/005712 WO2004100562A1 (ja) | 2003-05-07 | 2003-05-07 | 立体映像信号変換方法及び装置 |
Publications (1)
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WO2004100562A1 true WO2004100562A1 (ja) | 2004-11-18 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/005712 WO2004100562A1 (ja) | 2003-05-07 | 2003-05-07 | 立体映像信号変換方法及び装置 |
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JP (1) | JPWO2004100562A1 (ja) |
AU (1) | AU2003234906A1 (ja) |
WO (1) | WO2004100562A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2764696A4 (en) * | 2011-10-05 | 2015-05-06 | Bitanimate Inc | ENHANCED RESOLUTION 3D VIDEO RENDERING SYSTEMS AND METHODS |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09331549A (ja) * | 1996-06-11 | 1997-12-22 | Sony Corp | 立体映像信号伝送方法及び立体映像信号処理装置 |
JPH10257526A (ja) * | 1997-03-10 | 1998-09-25 | Sanyo Electric Co Ltd | ディジタル放送受信機 |
JPH11355803A (ja) * | 1998-06-03 | 1999-12-24 | Sanyo Electric Co Ltd | 立体映像再生方法 |
-
2003
- 2003-05-07 AU AU2003234906A patent/AU2003234906A1/en not_active Abandoned
- 2003-05-07 JP JP2004571560A patent/JPWO2004100562A1/ja active Pending
- 2003-05-07 WO PCT/JP2003/005712 patent/WO2004100562A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09331549A (ja) * | 1996-06-11 | 1997-12-22 | Sony Corp | 立体映像信号伝送方法及び立体映像信号処理装置 |
JPH10257526A (ja) * | 1997-03-10 | 1998-09-25 | Sanyo Electric Co Ltd | ディジタル放送受信機 |
JPH11355803A (ja) * | 1998-06-03 | 1999-12-24 | Sanyo Electric Co Ltd | 立体映像再生方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2764696A4 (en) * | 2011-10-05 | 2015-05-06 | Bitanimate Inc | ENHANCED RESOLUTION 3D VIDEO RENDERING SYSTEMS AND METHODS |
US9495791B2 (en) | 2011-10-05 | 2016-11-15 | Bitanimate, Inc. | Resolution enhanced 3D rendering systems and methods |
US10102667B2 (en) | 2011-10-05 | 2018-10-16 | Bitanimate, Inc. | Resolution enhanced 3D rendering systems and methods |
US10600237B2 (en) | 2011-10-05 | 2020-03-24 | Bitanimate, Inc. | Resolution enhanced 3D rendering systems and methods |
Also Published As
Publication number | Publication date |
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AU2003234906A1 (en) | 2004-11-26 |
JPWO2004100562A1 (ja) | 2006-07-13 |
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