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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それぞれ入力映像が入力されるI個の映像変倍手段であって、各々自身に入力された前記入力映像を複数の倍率によって変倍して複数の変倍された入力映像を生成する、I個の映像変倍手段と、
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J個の映像配置情報に基づいて前記映像変倍手段のそれぞれに複数の倍率を指定する倍率指定手段をさらに備え、
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.
前記映像変倍手段は、J個の可変変倍部を有することを特徴とする請求項2に記載の映像合成装置。   3. The video synthesizing apparatus according to claim 2, wherein the video scaling unit includes J variable scaling units. 前記映像変倍手段は、それぞれ相異なる一定の倍率をもつ複数の固定変倍手段を有することを特徴とする請求項1に記載の映像合成装置。   2. The video synthesizing apparatus according to claim 1, wherein the video scaling unit includes a plurality of fixed scaling units each having a different fixed magnification. 前記映像変倍手段は、自身に入力される入力映像に関して前記映像配置情報で指定可能な倍率の個数と同数の固定変倍手段を有することを特徴とする請求項1に記載の映像合成装置。   2. The video composition apparatus according to claim 1, wherein the video scaling unit includes fixed scaling units equal to the number of magnifications that can be specified by the video arrangement information with respect to an input video input to the video scaling unit. 各前記映像配置情報のそれぞれから、合成映像上の各座標領域に配置されるべき入力映像の情報を、前記読出要求手段が前記読み出し要求を行う際に参照する要求情報として順番に生成する要求情報生成部をさらに備え、
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.
前記要求情報生成部は前記映像配置情報に対応する合成映像の垂直ブランク期間内に前記映像配置情報に対応する要求情報の生成処理を終えることを特徴とする請求項6に記載の映像合成装置。   The video composition apparatus according to claim 6, wherein the request information generation unit finishes generation processing of request information corresponding to the video layout information within a vertical blank period of the composite video corresponding to the video layout information. 前記映像変倍手段は、自身に入力された前記入力映像を複数の縮小率によって縮小して複数の縮小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。   2. The video composition apparatus according to claim 1, wherein the video scaling unit generates a plurality of reduced input videos by reducing the input video input thereto by a plurality of reduction ratios. 前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、補完変倍率との積として表し、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変倍率に応じた分重複して利用することを前記読出要求手段に要求する、倍率分割手段をさらに備えた、
ことを特徴とする請求項1に記載の映像合成装置。
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.
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、1未満の値を有する補完縮小率との積として表し、前記変倍された入力映像を前記補完縮小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、倍率分割手段をさらに備えた、ことを特徴とする請求項1に記載の映像合成装置。   The magnification of the input video arranged according to the video arrangement information is represented as a product of a magnification that can be scaled by the video scaling means and a complementary reduction ratio having a value less than 1, and the scaled input video The video composition apparatus according to claim 1, further comprising a magnification division unit that requests the read request unit to draw and use for a period corresponding to the complementary reduction ratio. 前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、1より大きい値を有する補完拡大率との積として表し、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要求手段に要求する、倍率分割手段をさらに備えた、
ことを特徴とする請求項1に記載の映像合成装置。
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.
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、補完変倍率との積として表す倍率分割手段と、
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:
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、1未満の値を有する補完縮小率との積として表す倍率分割手段と、
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:
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、1より大きい値を有する補完拡大率との積として表す倍率分割手段と、
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:
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、補完変倍率との積として表す倍率分割手段と、
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.
前記映像配置情報に従って配置される前記入力映像の倍率を、前記映像変倍手段が変倍可能な倍率と、補完変倍率との積として表す倍率分割手段と、
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.
I個の入力映像の各々を複数の倍率によって変倍して、前記入力映像ごとに複数の変倍された入力映像を生成し、
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.
I個の入力映像の各々を複数の倍率によって変倍して、前記入力映像ごとに複数の変倍された入力映像を生成するステップと、
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.
JP2006008942A 2005-01-17 2006-01-17 Video composition apparatus, video composition method, and video composition program Expired - Fee Related JP4559976B2 (en)

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