JP2006222942A5 - - Google Patents
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- JP2006222942A5 JP2006222942A5 JP2006008942A JP2006008942A JP2006222942A5 JP 2006222942 A5 JP2006222942 A5 JP 2006222942A5 JP 2006008942 A JP2006008942 A JP 2006008942A JP 2006008942 A JP2006008942 A JP 2006008942A JP 2006222942 A5 JP2006222942 A5 JP 2006222942A5
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Claims (18)
変倍された前記入力映像の書込み要求を受けて前記変倍された入力映像を前記書込み要求により指定された領域に一時的に記憶する映像記憶手段と、
各々前記映像変倍手段に対応し、前記映像変倍手段によって生成された前記複数の変倍された入力映像の各々を前記映像記憶手段における所定領域へ書き込むことを前記映像記憶手段に要求する、書込要求手段と、
J個の映像配置情報のそれぞれに基づいて入力映像の読出し要求を行う、各前記映像配置情報のそれぞれは合成映像上における各入力映像の配置を定めている、読出要求手段と、
前記読出し要求を受けて前記入力映像を前記映像記憶手段から読み出す読出制御手段と、
各々前記映像配置情報に対応し、前記読出制御手段によって読み出された入力映像から合成映像を生成する、J個の合成映像生成手段と、
を備えた映像合成装置。 I pieces of image scaling means each for receiving an input image, wherein each of the input images inputted to itself is scaled by a plurality of magnifications to generate a plurality of scaled input images. The image scaling means of
Video storage means for receiving a write request for the scaled input video and temporarily storing the scaled input video in an area designated by the write request;
Each of the plurality of scaled input videos generated by the video scaling unit corresponding to the video scaling unit is requested to be written to a predetermined area in the video storage unit . Write request means ;
Read request means for making a read request for an input video based on each of the J video layout information, each of the video layout information defining a layout of each input video on the composite video,
Read control means for receiving the read request and reading the input video from the video storage means;
J composite video generation means, each corresponding to the video arrangement information, for generating a composite video from the input video read by the read control means;
A video composition device.
前記映像変倍手段は、前記倍率指定手段によって指定された前記複数の倍率にしたがって前記入力映像を変倍して前記複数の変倍された入力映像を生成する、
ことを特徴とする請求項1に記載の映像合成装置。 A magnification designating unit for designating a plurality of magnifications for each of the video scaling units based on the J video layout information;
The image scaling unit generates the plurality of scaled input images by scaling the input image according to the plurality of magnifications designated by the magnification designation unit.
The video synthesizing apparatus according to claim 1.
前記読出要求手段は、前記要求情報の生成順序に合わせて前記要求情報生成部が少なくとも前記要求情報を生成するのに必要な時間ずつずれるように、前記読出制御手段に対する前記読出し要求を開始する、
ことを特徴とする請求項1に記載の映像合成装置。 Request information for sequentially generating information on the input video to be arranged in each coordinate area on the composite video as request information to be referred to when the read request unit makes the read request from each of the video arrangement information. A generation unit;
The read request unit starts the read request to the read control unit so that the request information generation unit shifts at least time necessary for generating the request information in accordance with the generation order of the request information.
The video synthesizing apparatus according to claim 1.
ことを特徴とする請求項1に記載の映像合成装置。 The magnification of the input video arranged according to the video arrangement information is expressed as a product of a magnification that can be scaled by the video scaling means and a complementary scaling factor. When the complementary scaling factor is less than 1, the scaling factor is changed. When the multiplied input image is used by being drawn for a time corresponding to the complementary scaling factor, and the complementary scaling factor is greater than 1, the scaled input video is overlapped by the amount corresponding to the complementary scaling factor. Further comprising a magnification division means for requesting the read request means to use
The video synthesizing apparatus according to claim 1.
ことを特徴とする請求項1に記載の映像合成装置。 The magnification of the input video arranged according to the video arrangement information is expressed as a product of a magnification that can be scaled by the video scaling means and a complementary enlargement factor having a value larger than 1, and the scaled input video Further comprising a magnification division means for requesting the read request means to use the same in accordance with the complementary enlargement ratio,
The video synthesizing apparatus according to claim 1.
各々前記合成映像生成手段に対応配置され、前記読出制御手段から読み出された前記変倍された入力映像を、前記補完変倍率によって変倍し、変倍後の入力映像を前記合成映像生成手段に出力する映像補完変倍手段と、
をさらに備えたことを特徴とする請求項1に記載の映像合成装置。 Magnification dividing means for expressing the magnification of the input video arranged according to the video arrangement information as a product of a magnification that can be scaled by the video scaling means and a complementary scaling ratio;
Each scaled input video read from the readout control unit is scaled by the complementary scaling factor, and the scaled input video is converted to the synthesized video generation unit. Video complementary scaling means to output to
The video composition apparatus according to claim 1, further comprising:
各々前記合成映像生成手段に対応配置され、前記読出制御手段から読み出された前記変倍された入力映像を、前記補完縮小率によって縮小し、縮小後の入力映像を前記合成映像生成手段に出力する映像補完縮小手段と、
をさらに備えたことを特徴とする請求項1に記載の映像合成装置。 A magnification dividing means for expressing the magnification of the input video arranged according to the video arrangement information as a product of a magnification that the video scaling means can scale and a complementary reduction ratio having a value less than 1;
Each scaled input video read from the readout control means is arranged corresponding to the synthesized video generation means, and reduced by the complementary reduction ratio, and the reduced input video is output to the synthesized video generation means Video complement reduction means to
The video composition apparatus according to claim 1, further comprising:
各々前記合成映像生成手段に対応配置され、前記読出制御手段から読み出された前記変倍された入力映像を、前記補完拡大率によって拡大し、拡大後の入力映像を前記合成映像生成手段に出力する映像補完拡大手段と、
をさらに備えたことを特徴とする請求項1に記載の映像合成装置。 A magnification dividing means for expressing the magnification of the input video arranged according to the video arrangement information as a product of a magnification that can be changed by the video scaling means and a complementary enlargement ratio having a value larger than 1.
Each of the scaled input videos that are arranged corresponding to the synthesized video generation means and read from the readout control means are enlarged by the complementary enlargement ratio, and the enlarged input video is output to the synthesized video generation means Video supplement enlargement means,
The video composition apparatus according to claim 1, further comprising:
各々前記合成映像生成手段に対応配置され、前記補完変倍率が1より大きい場合は、前記読出制御手段から読み出された前記変倍された入力映像を、前記補完変倍率によって拡大し、拡大後の入力映像を前記合成映像生成手段に出力する映像補完拡大手段と、をさらに備え、
前記倍率分割手段は、前記補完変倍率が1未満の場合は、前記変倍された入力映像を前記補完変倍率に応じた分間引いて利用することを前記読出要求手段に要求する、
ことを特徴とする請求項1に記載の映像合成装置。 Magnification dividing means for expressing the magnification of the input video arranged according to the video arrangement information as a product of a magnification that can be scaled by the video scaling means and a complementary scaling ratio;
When each of the composite video generation means is arranged correspondingly and the complementary scaling factor is larger than 1, the scaled input video read from the readout control means is enlarged by the complementary scaling factor, Video supplement expansion means for outputting the input video to the composite video generation means,
The magnification dividing unit requests the read request unit to draw and use the scaled input video for a time corresponding to the complementary scaling factor when the complementary scaling factor is less than 1.
The video synthesizing apparatus according to claim 1.
各々前記合成映像生成手段に対応配置され、前記補完変倍率が1未満の場合は、前記読出制御手段から読み出された前記変倍された入力映像を、前記補完変倍率によって縮小して、縮小後の入力映像を前記合成映像生成手段に出力する映像補完縮小手段と、をさらに備え、
前記倍率分割手段は、前記補完変倍率が1より大きい場合は、前記変倍された入力映像を前記補完拡大率に応じた分重複して利用することを前記読出制御手段に要求する、
ことを特徴とする請求項1に記載の映像合成装置。 Magnification dividing means for expressing the magnification of the input video arranged according to the video arrangement information as a product of a magnification that can be scaled by the video scaling means and a complementary scaling ratio;
When each of the composite video generation means is arranged correspondingly and the complementary scaling ratio is less than 1, the scaled input video read from the readout control means is reduced by the complementary scaling ratio and reduced. Video supplement reduction means for outputting a later input video to the synthesized video generation means, and
The magnification dividing unit requests the read control unit to use the scaled input video in an overlapping manner according to the complementary magnification when the complementary scaling factor is greater than 1.
The video synthesizing apparatus according to claim 1.
前記入力映像ごとに生成された前記複数の変倍された入力映像の各々を映像記憶手段における所定領域に書き込み、
J個の映像配置情報のそれぞれに基づいて、前記映像記憶手段から入力映像の読み出しを行い、前記映像配置情報は、合成映像上における各入力映像の配置を定めたものであり、
前記映像配置情報ごとに読み出された入力映像から合成映像を生成する、
ことを特徴とする映像合成方法。 Each of the I input videos is scaled by a plurality of magnifications to generate a plurality of scaled input videos for each of the input videos,
Writing each of the plurality of scaled input videos generated for each of the input videos into a predetermined area in the video storage means;
Based on each of the J video arrangement information, the input video is read from the video storage means, and the video arrangement information defines the arrangement of each input video on the composite video,
Generating a composite video from the input video read for each video layout information;
A video composition method characterized by the above.
前記入力映像ごとに生成された前記複数の変倍された入力映像の各々を映像記憶手段における所定領域に書き込むステップと、
J個の映像配置情報のそれぞれに基づいて、前記映像記憶手段から入力映像の読み出しを行う、前記映像配置情報は、合成映像上における各入力映像の配置を定めたものである、ステップと、
前記映像配置情報ごとに読み出された入力映像から合成映像を生成するステップと、
をコンピュータに実行させるための映像合成プログラム。 Scaling each of the I input videos by a plurality of magnifications to generate a plurality of scaled input videos for each of the input videos;
Writing each of the plurality of scaled input videos generated for each of the input videos into a predetermined area in the video storage means;
Reading the input video from the video storage means based on each of the J video layout information, wherein the video layout information defines the layout of each input video on the composite video; and
Generating a composite video from the input video read for each video layout information;
Is a video composition program that causes a computer to execute.
Priority Applications (1)
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JP2006008942A JP4559976B2 (en) | 2005-01-17 | 2006-01-17 | Video composition apparatus, video composition method, and video composition program |
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JP2005009133 | 2005-01-17 | ||
JP2006008942A JP4559976B2 (en) | 2005-01-17 | 2006-01-17 | Video composition apparatus, video composition method, and video composition program |
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JP2006222942A JP2006222942A (en) | 2006-08-24 |
JP2006222942A5 true JP2006222942A5 (en) | 2006-10-19 |
JP4559976B2 JP4559976B2 (en) | 2010-10-13 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008085677A (en) * | 2006-09-27 | 2008-04-10 | Toshiba Corp | Information control device, information synthesizer and program |
JP4256421B2 (en) | 2006-11-21 | 2009-04-22 | 株式会社東芝 | Video composition apparatus, video composition method, and video composition processing program |
JP2008262102A (en) * | 2007-04-13 | 2008-10-30 | Mitsubishi Electric Corp | Overlay image synthesizer |
JP5216303B2 (en) | 2007-11-01 | 2013-06-19 | 株式会社東芝 | Composite video distribution apparatus and method and program thereof |
KR101367458B1 (en) * | 2009-10-05 | 2014-02-26 | 한국전자통신연구원 | System for providing multi-angle broardcasting service |
JP5404453B2 (en) * | 2010-01-28 | 2014-01-29 | 株式会社日立製作所 | Vehicle monitoring device |
US20140028788A1 (en) * | 2012-07-30 | 2014-01-30 | Polycom, Inc. | Method and system for conducting video conferences of diverse participating devices |
JPWO2023013072A1 (en) * | 2021-08-06 | 2023-02-09 |
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JPS6464482A (en) * | 1987-09-04 | 1989-03-10 | Nippon Telegraph & Telephone | Television conference controller among multispots |
JPH09149396A (en) * | 1995-11-27 | 1997-06-06 | Fujitsu Ltd | Multi-spot television conference system |
JP4173647B2 (en) * | 2001-03-29 | 2008-10-29 | 富士フイルム株式会社 | Image data generation method and apparatus, image processing method and apparatus, and recording medium |
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