WO2001033835A1 - Dispositif de production d'images, procede de production d'images et dispositif de communication dote du dispositif de production d'images - Google Patents
Dispositif de production d'images, procede de production d'images et dispositif de communication dote du dispositif de production d'images Download PDFInfo
- Publication number
- WO2001033835A1 WO2001033835A1 PCT/JP2000/007421 JP0007421W WO0133835A1 WO 2001033835 A1 WO2001033835 A1 WO 2001033835A1 JP 0007421 W JP0007421 W JP 0007421W WO 0133835 A1 WO0133835 A1 WO 0133835A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- picture
- priority
- screen
- images
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
Definitions
- the present invention relates to image generation applied to a communication device such as an image device in a video conference system, a stationary cable TV phone device, a mobile TV phone device or an information terminal device having a personal convenience function in a mobile communication system.
- the present invention relates to an apparatus and an image generation method, and particularly to an image generation apparatus and an image generation method for combining a plurality of moving images and still images on one screen.
- an image generating apparatus and an image generating method there is an image generating apparatus and an image generating method which are described in JP-A-6-33035. Further, as an image generation device mounted on a conventional communication device, for example, a picture-in-picture generation device in a TV conference system can be cited. This is a device that combines a self-portrait captured by a camera of the local station with a game image being received.
- FIG. 1 is a block diagram illustrating a configuration of a picture-r-n-picture generation device that is a conventional image generation device.
- the picture / picture generating apparatus 10 shown in FIG. 1 includes an image enlarging means 11, an image reducing means 12, and an image synthesizing means 13.
- the image enlarging means 11 enlarges a game image composed of, for example, 35 2 X 288 pixels to 704 X 480 pixels at a predetermined fixed magnification and outputs it.
- the image reducing means 12 reduces a self-portrait composed of, for example, 352 ⁇ 288 pixels to 1776 ⁇ 144 pixels at a predetermined fixed magnification and outputs the reduced image.
- the image synthesizing means 13 is provided at a specific position of the game image output from the image enlarging means 11.
- the self image output from the reduction means 12 is subjected to overlay processing and output.
- the video conference system 20 shown in FIG. 2 includes the image enlargement means 11, the image reduction means 12, and the image synthesis means 13 of the picture-in-picture generation apparatus 10 shown in FIG. I have. Furthermore, the TV conference system 20 includes a multiplexing unit 21, a video decoder 22, a video encoder 23, a camera 24, an AZD converter 25, an image reduction unit 26, and a 0-to-8 converter. 27 and a monitor 28.
- the multiplexing means 21 multiplexes a transmission signal to a line such as a telephone line or a dedicated line, and a reception signal from the line.
- the video decoder 22 decodes the moving image bit stream received from the line to reconstruct the game image.
- the video encoder 23 encodes its own image and transmits it to the line.
- Camera 24 captures a self-portrait.
- the converter 25 converts the analog self-portrait signal from the camera 24 into a digital self-portrait signal.
- the image reducing means 26 reduces a digital self-portrait signal composed of, for example, 704.times.480 pixels to 352.times.288 pixels at a predetermined fixed magnification and outputs it.
- the DZA converter 27 converts the combined digital image signal into an analog signal.
- the monitor 28 displays the synthesized analog image signal.
- the self-portrait photographed by the camera 24 is output as an analog signal, which is then converted into a digital signal by the AZD converter 25 and the image reduction means 26 Is input to
- the image reducing means 26 converts the digital self-image signal composed of, for example, 74 4 480 pixels into a 35 2 X 28 88 image in order to adjust the image size to the moving image encoding format of the moving image encoder 23. Reduce to pixels.
- the video encoder 23 encodes the reduced digitized self-portrait signal, Output to multiplexing means 21. Then, the multiplexing means 21 transmits the encoded self-portrait to the line.
- the digital self-portrait signal output from the image reduction means 26 is also input to the image reduction means 12 where it is further reduced.
- This reduction is, for example, conversion from 352 ⁇ 288 pixels to 176 ⁇ 144 pixels. This creates a child screen that overlays the parent screen.
- the moving image bit stream received from the game terminal via the line is input to the moving image decoder 22 via the multiplexing means 21.
- the video decoder 22 generates a game image by decoding the video bitstream.
- the video encoder 23 and the video decoder 22 perform encoding and decoding based on the same video encoding format, and the game image generated by the video decoder 22 is also used. It consists of 35 2 X 28 88 pixels.
- the game image output from the video decoder 22 is input to the image enlargement means 11 and enlarged.
- This enlargement is, for example, a conversion from 35 2 X 28 88 pixels to 74 4 X 48 0 pixels, thereby generating a parent screen.
- the image synthesizing means 13 overlays a specific position of the game image, which is the parent screen, for example, a self-image, which is a child screen, at the lower right and outputs it.
- a part of the game image composed of 704 ⁇ 480 pixels is synthesized and concealed by a self-image composed of 176 ⁇ 144 pixels, and then output.
- the output from the image synthesizing means 13 is converted to an analog signal via a D / A converter 27 and then displayed on a monitor 28.
- the conventional image generation device has a display object other than the game image and the self image. There is a problem in that it is difficult to add images and display them effectively in combination.
- the effective display area of the main screen becomes narrower when simply displaying all the images to be displayed as a picture-in-picture, especially when the resolution of the monitor 28 is low or the display of the monitor 28 This is particularly problematic when the surface is physically small.
- the conventional image generating apparatus has a problem that the child screen covers an important image portion of the parent screen. Disclosure of the invention
- An object of the present invention is to effectively display a composite image even when a display target image is added in addition to the game image and the self image, and to flexibly cope with a change in the resolution of the display device. It is an object of the present invention to provide an image generating apparatus and an image generating method which can prevent an important image portion of a parent screen from being covered. The purpose is to select images to be displayed according to a predetermined priority, control the enlargement / reduction ratio of the images to be displayed, and the compositing position. Overlay each image in a part that is not significant spatially and temporally. It is achieved by doing. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a block diagram showing the configuration of a picture 'in' picture generation device, which is a conventional image generation device.
- Figure 2 shows a video conferencing system using a conventional picture-in-picture generator. Block diagram showing the configuration of the stem,
- FIG. 3 is a block diagram illustrating a configuration of an image generation device according to Embodiment 1 of the present invention.
- FIG. 4 is a block diagram showing a configuration of a communication device using the image generation device according to Embodiment 2 of the present invention.
- FIG. 3 is a block diagram showing a configuration of the image generating device according to Embodiment 1 of the present invention.
- the image generating apparatus 100 shown in FIG. 3 includes image selecting means 101, a plurality of (first to M-th) image processing means 102, motion detecting means 103, and frequency analyzing means 100. 4, adaptive image synthesizing means 105, and screen control means 106.
- the image selecting means 101 selects and outputs an image from a plurality of input images 1 to N according to a predetermined priority.
- the image processing means 102 enlarges or reduces each image output from the image selecting means 101 according to the enlargement and reduction ratios given by the screen control means 106.
- the motion detecting means 103 detects a portion of the image processed by the image processing means 102 where there is no motion, and instructs the adaptive image synthesizing means 105 on the image synthesizing position.
- the frequency analysis means 104 detects a part having no feature of the image processed by the image processing means 102 and indicates the image synthesis position to the adaptive image synthesis means 105.
- the adaptive image synthesizing unit 105 synthesizes the image processed by the image processing unit 102 at an image synthesizing position indicated by the motion detecting unit 103 and the frequency analyzing unit 104.
- the screen control means 106 instructs the image selection means 101 of the priority of the image, and It instructs the image processing means 102 to enlarge or reduce the image according to the shape and resolution of the display device, not shown, and synthesizes the image to the adaptive image combining means 105 according to the shape and resolution of the display device. Indicate the position.
- the image selection unit 101 selects a predetermined number of images from the input images having the highest priority in accordance with the priority given by the screen control unit 106. Output.
- the number of images to be output is determined by the screen control means 106 according to the resolution and shape of the display device.
- the image processing means 102 enlarges or reduces each image according to the enlargement and reduction ratios given by the screen control means 106.
- the screen control means 106 determines the enlargement and reduction ratio of each image from at least the following two factors. One is the resolution and shape of the display device, and the other is the type of parent screen and child screen based on the priority of the image.
- the image processing means 102 by providing the image processing means 102 with functions of trimming, mapping, rotation, and inversion in addition to the enlargement or reduction processing, more flexible image generation can be realized.
- each image enlarged or reduced by the image processing means 102 is input to the adaptive image synthesizing means 105.
- the adaptive image synthesizing unit 105 synthesizes each input image according to information provided from any or all of the screen control unit 106, the motion detecting unit 103, and the frequency analyzing unit 104. Determine location and hierarchical structure. From the screen control means 106, synthesis position information of each image according to the resolution and shape of the display device and hierarchical structure information based on the priority of each image are provided to the adaptive image synthesis means 105.
- the motion detecting means 103 detects the motion of each image, and gives the synthesized position information of each image to the adaptive image synthesizing means 105 so that a portion where there is no motion is overlaid.
- the motion may be detected by using a motion vector detection process of moving image coding, or by another method.
- the frequency analysis means 104 performs the frequency analysis of each image, and adaptively synthesizes the synthesized position information of each image so that the spatial activity of the image is low and a portion that is not determined as a feature point is subjected to overlay processing.
- the frequency analysis may use the discrete cosine transform of video coding, the wavelet transform, or any other means.
- the display target images are selected according to the predetermined priority, so that a plurality of display target images can be effectively displayed in a combined manner. it can.
- the number of selected images is minimized (for example, two), so that the composite display can be effectively performed. Can be done.
- each image is configured to be overlaid in a part that is not significant in space and time, an important part of the image is not obscured by another image.
- FIG. 4 is a block diagram showing a configuration of a communication device using the image generation device 100 shown in FIG.
- the input to the image selection means 101 is three systems (file image, game image, own image), and the output from the image selection means 101 is two systems (parent screen, child screen). I do.
- the communication device 200 shown in FIG. 4 includes, in addition to the components of the image generation device 100 described in the first embodiment, a D / A converter 200, a file control unit 208, and multiplexing.
- the multiplexing means 209 multiplexes a transmission signal to a line such as a telephone line or a dedicated line and a reception signal from the line.
- the moving image decoder 210 decodes the moving image bit stream received from the line via the multiplexing means 209 to reconstruct a game image.
- the moving image encoder 211 encodes its own image and transmits it to the line.
- Camera 2 1 2 captures a self-portrait.
- the AZD converter 2 13 converts an analog self-portrait signal from the camera 2 12 into a digital self-portrait signal.
- the image reducing means 214 reduces the digital self-portrait signal from the AZD Comparator 213 in accordance with the moving picture coding format.
- the file control unit 208 outputs the moving image and the still image recorded in the file to the image selection unit 101.
- the DZA converter 2007 converts the digital image signal synthesized by the adaptive image synthesis means 105 into an analog signal.
- the monitor 215 displays the synthesized image signal from the AZD converter 207.
- the image selection means 101 outputs the two input images as they are.
- the image processing means 102 according to the enlargement and reduction ratios of the image from the screen control means 106, to make the high-priority game image the main screen, go to 704 X 480.
- a self-portrait having a low priority is set as a child screen, so that a reduction process to 176 ⁇ 144 is performed.
- the adaptive image synthesizing means 205 divides the game image into seven based on the priority information. The processing of arranging at the center of the 0 4 X 480 pixel is performed. Therefore, the game image is displayed on the entire surface of the monitor 215 as a parent image.
- the adaptive image synthesizing means 205 based on the priority information, the self image composed of 176 ⁇ 144 pixels is arranged as a child image in the lower right part of the 704 ⁇ 480 pixel. At the same time, a process of overlaying on the game image is performed.
- the image selecting means 101 selects and outputs a file image and a game image according to the priority.
- enlargement processing to 704 ⁇ 480 is performed in order to use a high-priority file image as a parent image, while a low-priority game image is processed.
- a reduction process to 176 x 144 is performed.
- the adaptive image synthesizing means 105 performs a process of arranging the file image at the center of the 704 ⁇ 480 pixels based on the priority information.
- the file image is displayed on the entire surface of the monitor 215 as a parent image.
- the adaptive image synthesizing means 105 converts a game image composed of 176 ⁇ 144 pixels into a lower right part of a 74 ⁇ 480 pixel as a child image. , And a process of overlaying on the file image is performed. As described above, when a file image is input to the image selecting means 101 during communication, a composite image is displayed as if a small game image was fitted in the lower right portion of the file image.
- the plurality of display target images are selected by the image selection means 101 in accordance with the predetermined priority, and are output. And the effect of adding a display target image other than the self-portrait Can be synthesized and displayed.
- the image processing means 102 and the adaptive image synthesizing means 105 correspond to the shape, resolution, etc. of the monitor 215, the screen control means 106 controls them. It is possible to flexibly respond to a change in the resolution of the monitor 215.
- the child screen is arranged in the insignificant part of the parent screen by the motion detection means 103 and the frequency analysis means 104, the child screen covers the important image part of the parent screen. Can be prevented.
- the image generation device 100 is used as the communication device 200 .
- the present invention is not limited to this, and the image generation device 100 may be used in a TV conference system.
- the present invention can also be applied to an image device, a stationary cable videophone device, a mobile videophone device in a mobile communication system, and an information terminal device having a personal computer function.
- the file control means 208 includes a moving picture decoder or a still picture decoder, and decodes the moving picture bit stream or the still picture bit stream recorded in the file, and then inputs the decoded picture bit stream or the still picture bit stream to the image selecting means 101. It may be configured as follows.
- the display image can be effectively combined and displayed, and when the resolution of the display device is changed.
- the present invention is suitable for use in communication devices such as an image device in a TV conference system, a stationary cable TV phone device, a mobile TV phone device in a mobile communication system, and an information terminal device having a personal convenience function. is there.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Studio Circuits (AREA)
- Image Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU79553/00A AU7955300A (en) | 1999-10-29 | 2000-10-24 | Picture generating device, picture generating method and communication device with picture generating device |
EP00970028A EP1158788A4 (en) | 1999-10-29 | 2000-10-24 | IMAGE PRODUCTION DEVICE, IMAGE PRODUCTION METHOD, AND COMMUNICATION DEVICE WITH IMAGE PRODUCTION DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/309555 | 1999-10-29 | ||
JP30955599A JP2001128062A (ja) | 1999-10-29 | 1999-10-29 | 画像生成装置及び画像生成方法 |
Publications (1)
Publication Number | Publication Date |
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WO2001033835A1 true WO2001033835A1 (fr) | 2001-05-10 |
Family
ID=17994435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/007421 WO2001033835A1 (fr) | 1999-10-29 | 2000-10-24 | Dispositif de production d'images, procede de production d'images et dispositif de communication dote du dispositif de production d'images |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1158788A4 (ja) |
JP (1) | JP2001128062A (ja) |
CN (1) | CN1327676A (ja) |
AU (1) | AU7955300A (ja) |
WO (1) | WO2001033835A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7280158B2 (en) | 2001-11-09 | 2007-10-09 | Matsushita Electric Industrial Co., Ltd. | Video synthesizing apparatus |
WO2011054261A1 (zh) * | 2009-11-09 | 2011-05-12 | 中兴通讯股份有限公司 | 一种会议电视系统中的多画面合成方法及装置 |
JP2015039216A (ja) * | 2005-07-18 | 2015-02-26 | トムソン ライセンシングThomson Licensing | メタデータを用いて複数の映像ストリームを処理する方法及び装置 |
CN113129344A (zh) * | 2019-12-31 | 2021-07-16 | 无锡祥生医疗科技股份有限公司 | 分辨率自适应方法、超声设备及存储介质 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6697124B2 (en) | 2001-03-30 | 2004-02-24 | Koninklijke Philips Electronics N.V. | Smart picture-in-picture |
JP4178949B2 (ja) * | 2002-12-27 | 2008-11-12 | 富士ゼロックス株式会社 | 画像処理装置、画像処理方法、およびそのプログラム |
EP1679689B1 (en) * | 2003-10-28 | 2014-01-01 | Panasonic Corporation | Image display device and image display method |
US20050097620A1 (en) | 2003-10-30 | 2005-05-05 | Honeywell International Inc. | Architecture for multi-channel video processing |
JP2005215375A (ja) * | 2004-01-30 | 2005-08-11 | Pioneer Plasma Display Corp | 表示装置及び表示方法 |
CN1663646B (zh) * | 2004-03-01 | 2010-06-09 | 阿鲁策株式会社 | 游戏机 |
CN1327690C (zh) * | 2004-03-19 | 2007-07-18 | 华亚微电子(上海)有限公司 | 一种视频图像缩放过程中的清晰度补偿方法 |
JP4720321B2 (ja) * | 2005-07-04 | 2011-07-13 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
TWI384870B (zh) * | 2006-01-03 | 2013-02-01 | Mstar Semiconductor Inc | 自動偵測影音訊號的影音切換方法及其相關裝置 |
JP4267036B2 (ja) | 2007-01-10 | 2009-05-27 | キヤノン株式会社 | 表示制御装置及び表示制御方法 |
US8988609B2 (en) | 2007-03-22 | 2015-03-24 | Sony Computer Entertainment America Llc | Scheme for determining the locations and timing of advertisements and other insertions in media |
US8451380B2 (en) | 2007-03-22 | 2013-05-28 | Sony Computer Entertainment America Llc | Scheme for determining the locations and timing of advertisements and other insertions in media |
CN101521004B (zh) * | 2008-02-29 | 2011-12-14 | 鹏智科技(深圳)有限公司 | 具有图片处理功能的电子装置及其图片处理方法 |
JP2009278373A (ja) * | 2008-05-14 | 2009-11-26 | Sharp Corp | 画像処理装置、画像形成装置及びコンピュータプログラム |
JP5525201B2 (ja) * | 2009-07-28 | 2014-06-18 | パナソニック株式会社 | 画像合成装置、画像符号化装置、コンピュータプログラム、記録媒体 |
JP6719104B2 (ja) * | 2015-08-28 | 2020-07-08 | パナソニックIpマネジメント株式会社 | 画像出力装置、画像送信装置、画像受信装置、画像出力方法および記録媒体 |
CN117857723A (zh) * | 2020-12-21 | 2024-04-09 | 维沃移动通信有限公司 | 画面处理方法及装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715730A (ja) * | 1993-06-24 | 1995-01-17 | Nec Corp | 映像信号切り替え回路 |
JPH0787392A (ja) * | 1993-09-09 | 1995-03-31 | Sony Corp | 子画像の表示制御装置 |
JPH07154687A (ja) * | 1993-11-29 | 1995-06-16 | Olympus Optical Co Ltd | 画像合成装置 |
JPH07162831A (ja) * | 1993-12-10 | 1995-06-23 | Ricoh Co Ltd | テレビ会議通信装置の制御方法 |
JPH10200873A (ja) * | 1997-01-16 | 1998-07-31 | Sharp Corp | テレビ電話装置 |
JPH10308896A (ja) * | 1997-05-07 | 1998-11-17 | Olympus Optical Co Ltd | 画像合成表示装置 |
JPH11308495A (ja) * | 1998-04-20 | 1999-11-05 | Canon Inc | 画像表示装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54130830A (en) * | 1978-03-21 | 1979-10-11 | Vital Ind | Special television effect device |
JPH05173530A (ja) * | 1991-12-24 | 1993-07-13 | Fujitsu General Ltd | 多入力映像信号表示装置 |
JPH06113297A (ja) * | 1992-09-25 | 1994-04-22 | A W New Hard:Kk | テレビ電話のモニタ装置 |
JPH10191307A (ja) * | 1996-12-26 | 1998-07-21 | Matsushita Electric Ind Co Ltd | 画像監視システム |
-
1999
- 1999-10-29 JP JP30955599A patent/JP2001128062A/ja active Pending
-
2000
- 2000-10-24 EP EP00970028A patent/EP1158788A4/en not_active Withdrawn
- 2000-10-24 CN CN00802364A patent/CN1327676A/zh active Pending
- 2000-10-24 AU AU79553/00A patent/AU7955300A/en not_active Abandoned
- 2000-10-24 WO PCT/JP2000/007421 patent/WO2001033835A1/ja not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715730A (ja) * | 1993-06-24 | 1995-01-17 | Nec Corp | 映像信号切り替え回路 |
JPH0787392A (ja) * | 1993-09-09 | 1995-03-31 | Sony Corp | 子画像の表示制御装置 |
JPH07154687A (ja) * | 1993-11-29 | 1995-06-16 | Olympus Optical Co Ltd | 画像合成装置 |
JPH07162831A (ja) * | 1993-12-10 | 1995-06-23 | Ricoh Co Ltd | テレビ会議通信装置の制御方法 |
JPH10200873A (ja) * | 1997-01-16 | 1998-07-31 | Sharp Corp | テレビ電話装置 |
JPH10308896A (ja) * | 1997-05-07 | 1998-11-17 | Olympus Optical Co Ltd | 画像合成表示装置 |
JPH11308495A (ja) * | 1998-04-20 | 1999-11-05 | Canon Inc | 画像表示装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1158788A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7280158B2 (en) | 2001-11-09 | 2007-10-09 | Matsushita Electric Industrial Co., Ltd. | Video synthesizing apparatus |
JP2015039216A (ja) * | 2005-07-18 | 2015-02-26 | トムソン ライセンシングThomson Licensing | メタデータを用いて複数の映像ストリームを処理する方法及び装置 |
WO2011054261A1 (zh) * | 2009-11-09 | 2011-05-12 | 中兴通讯股份有限公司 | 一种会议电视系统中的多画面合成方法及装置 |
US8878892B2 (en) | 2009-11-09 | 2014-11-04 | Zte Corporation | Multi-picture synthesizing method and apparatus in conference television system |
CN113129344A (zh) * | 2019-12-31 | 2021-07-16 | 无锡祥生医疗科技股份有限公司 | 分辨率自适应方法、超声设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
AU7955300A (en) | 2001-05-14 |
EP1158788A1 (en) | 2001-11-28 |
CN1327676A (zh) | 2001-12-19 |
JP2001128062A (ja) | 2001-05-11 |
EP1158788A4 (en) | 2005-10-05 |
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