CN102387311A - Device for synthesizing video images and method for synthesizing video images - Google Patents
Device for synthesizing video images and method for synthesizing video images Download PDFInfo
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- CN102387311A CN102387311A CN2010102723577A CN201010272357A CN102387311A CN 102387311 A CN102387311 A CN 102387311A CN 2010102723577 A CN2010102723577 A CN 2010102723577A CN 201010272357 A CN201010272357 A CN 201010272357A CN 102387311 A CN102387311 A CN 102387311A
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Abstract
The invention is applied to the technical field of video, provides a device for synthesizing video images and comprises an infrared detection device, an image pickup device, an outline extraction device, an image extraction device and a synthesizer. The infrared detection device performs infrared detection to video correspondents and the surrounding environment to obtain infrared images. The image pickup device performs camera shooting to the video correspondents, and the outline extraction device receives the infrared images sent by the infrared detection device to extract outlines of the video correspondents. The image extraction device receives the images shot by the image pickup device and the outlines of the video correspondents extracted by the outline extraction device. The outlines of the video correspondents are utilized to extract the images in the image pickup device corresponding to the outlines of the video correspondents, and the synthesizer enables the images extracted by the image extraction device to be synthesized with required backgrounds. The device for synthesizing the video images obtains the outlines of the video correspondents according to the infrared images, utilizes the outlines to extract the images of the video correspondents and then enables the images to be synthesized with the required backgrounds so as to change backgrounds of the video correspondents.
Description
Technical field
The invention belongs to the video technique field, relate in particular to a kind of method of device and composite video image of composite video image.
Background technology
At present, Internet video has obtained developing rapidly, particularly along with the development of IPTV technology, realizes that on Web TV Internet video becomes very general.But the ubiquitous problem of Internet video is that the user is when utilizing network video device to carry out Internet video; Tend to demonstrate the background of back; If the user is in friend's video, the next door has walking about of household or other family activity, influences video effect; In addition, a side of video does not often want to let the other side understand own residing environment.
Therefore, be necessary to provide a kind of video image synthesizer and video image synthetic method that can change video communication person's background.
Summary of the invention
The object of the present invention is to provide a kind of video image synthesizer and video image synthetic method, be intended to solve the problem that can't change video communication person's background that exists in the prior art.
The present invention is achieved in that a kind of device of composite video image, comprising: infrared detection device, camera head, contour extraction apparatus, image acquiring apparatus and synthesizer.Infrared detection device carries out infrared detection to video communication person and surrounding environment, obtains infrared image; Camera head is made a video recording to video communication person; Contour extraction apparatus receives the infrared image that infrared detection device sends, and extracts video communication person's profile; Image acquiring apparatus receives the image of camera shooting and video communication person's profile that contour extraction apparatus extracts; Utilize video communication person's profile, extract the pairing image of video communication person's profile in the camera image; Synthesizer synthesizes image and required background that image acquiring apparatus extracts.Wherein, contour extraction apparatus extracts video communication person's profile according to the essential characteristic of manikin; Image acquiring apparatus utilizes video communication person's profile to adopt the shade mode to extract the pairing image of video communication person's profile, and this image is video communication person's a image, and remainder is then cast out.
In addition, the device of this composite video image also comprises Background apparatus, the background that the output of this Background apparatus is required, and this background is dynamic background or static background, and the brightness of this background is identical with ambient brightness or in special brightness range.
The device of this composite video image also comprises synthesizer, and this synthesizer on background, synthesizes the pairing image overlay of video communication person's profile.
The present invention also discloses a kind of method of composite video image, and the method comprising the steps of: video communication person is carried out infrared acquisition and shooting; According to the result of infrared acquisition, extract video communication person's profile; According to video communication person's profile, extract video communication person's image; With video communication person's image and the stack of required background.
The present invention obtains infrared image through utilizing infrared detection device; Utilize the perfect profile that the temperature difference of human body and surrounding environment causes in the infrared image; Extract video communication person's image, then image and required background are merged, finally change video communication person's background.
Description of drawings
Fig. 1 is the structural representation of synthetic video device of the present invention;
Fig. 2 is the flow chart of image synthesizing method of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Seeing also Fig. 1, is the structural representation of synthetic video device of the present invention.This video synthesizer comprises infrared detection device 10, camera head 20, contour extraction apparatus 30, image acquiring apparatus 40, Background apparatus 50, synthesizer 60 and output device 70.
Camera head 20 couples of video communication persons make a video recording, and is convenient to carry out video communication, and this camera head 20 is camera normally.After 20 couples of video persons of camera head make a video recording, send captured image to image acquiring apparatus 40.
10 couples of video communication persons of infrared detection device and surrounding environment are carried out infrared detection, and detected infrared image is sent to contour extraction apparatus 30.Because human body temperature often has difference with ambient temperature, infrared detection device 10 can well detect the profile of human body according to the temperature difference of human body and environment.
Here, the background of Background apparatus 50 outputs can be that static background also can be arbitrarily dynamic background, and this background can be changed arbitrarily by video communication person; For ease; Background preferably Background apparatus 50 is carried out brightness processed according to the information of the brightness aspect of video communication person's environment of living in to user-selected background, makes selected background luminance identical with ambient brightness or in particular range; Like the scope that the user sets, the scope that industry is generally admitted etc.
Through this device; Utilize infrared detection device to obtain infrared image, utilize the perfect profile that the temperature difference of human body and surrounding environment causes in the infrared image, extract video communication person's image; Then image and required background are merged, finally change video communication person's background.
Seeing also Fig. 2, is the flow chart of image synthesizing method of the present invention.This method comprises the steps:
S1 carries out infrared acquisition and shooting to video communication person;
S2 according to the result of infrared acquisition, extracts video communication person's profile;
S3 according to video communication person's profile, extracts video communication person's image;
S4 is with video communication person's image and the stack of required background.
Through this method; Utilize infrared detection device to obtain infrared image, utilize the perfect profile that the temperature difference of human body and surrounding environment causes in the infrared image, extract video communication person's image; Then image and required background are merged, finally change the background that video is believed all.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the device of a composite video image comprises:
Infrared detection device carries out infrared detection to video communication person and surrounding environment, obtains infrared image;
Camera head is made a video recording to video communication person;
Contour extraction apparatus receives the infrared image that infrared detection device sends, and extracts video communication person's profile;
Image acquiring apparatus receives the image of camera shooting and video communication person's profile that contour extraction apparatus extracts; Utilize video communication person's profile, extract the pairing image of video communication person's profile in the camera image;
Synthesizer synthesizes image and required background that image acquiring apparatus extracts.
2. the device of composite video image according to claim 1 is characterized in that, contour extraction apparatus extracts video communication person's profile according to the essential characteristic of manikin.
3. the device of composite video image according to claim 1 is characterized in that, image acquiring apparatus utilizes video communication person's profile to adopt the shade mode to extract the pairing image of video communication person's profile.
4. the device of composite video image according to claim 3 is characterized in that, the image that image acquiring apparatus extracts is video communication person's a image, and remainder is then cast out.
5. the device of composite video image according to claim 1 is characterized in that, the device of this composite video image also comprises Background apparatus, the required background of this Background apparatus output.
6. the device of composite video image according to claim 5 is characterized in that, this background is dynamic background or static background.
7. the device of composite video image according to claim 5 is characterized in that, the brightness of this background is identical with ambient brightness or in special brightness range.
8. the device of composite video image according to claim 1 is characterized in that, the device of this composite video image also comprises synthesizer, and this synthesizer on background, synthesizes the pairing image overlay of video communication person's profile.
9. the method for a composite video image, the method comprising the steps of:
S1 carries out infrared acquisition and shooting to video communication person;
S2 according to the result of infrared acquisition, extracts video communication person's profile;
S3 according to video communication person's profile, extracts video communication person's image;
S4 is with video communication person's image and the stack of required background.
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| CN2010102723577A CN102387311A (en) | 2010-09-02 | 2010-09-02 | Device for synthesizing video images and method for synthesizing video images |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013104327A1 (en) * | 2012-01-12 | 2013-07-18 | 杭州美盛红外光电技术有限公司 | Thermal image device and thermal image photographing method |
| WO2013104328A1 (en) * | 2012-01-12 | 2013-07-18 | 杭州美盛红外光电技术有限公司 | Thermal imagery device and normalized thermal imagery shooting method |
| CN103297704A (en) * | 2013-06-21 | 2013-09-11 | 苏州鼎富软件科技有限公司 | Video shooting method and video dimension automatic adjusting method |
| CN103312944A (en) * | 2013-06-21 | 2013-09-18 | 苏州鼎富软件科技有限公司 | Videoing unit |
| CN105357215A (en) * | 2015-12-01 | 2016-02-24 | 中国农业科学院农业信息研究所 | Low-traffic video communication transmission system and method |
| CN105704420A (en) * | 2014-11-28 | 2016-06-22 | 富泰华工业（深圳）有限公司 | Somatosensory visual communication system and method |
| CN106898167A (en) * | 2016-11-14 | 2017-06-27 | 上海仪电鑫森科技发展有限公司 | Virtual background teaching demonstration system |
| WO2017206456A1 (en) * | 2016-05-31 | 2017-12-07 | 宇龙计算机通信科技(深圳)有限公司 | Method and apparatus for presenting video image in video call |
| CN107610076A (en) * | 2017-09-11 | 2018-01-19 | 广东欧珀移动通信有限公司 | Image processing method and device, electronic installation and computer-readable recording medium |
| CN107908106A (en) * | 2017-11-01 | 2018-04-13 | 东南大学 | Double reheat power generation sets reheat steam temperature concentrates Prediction Control system from depression of order multiloop |
| CN111050074A (en) * | 2019-12-26 | 2020-04-21 | Tcl 移动通信科技(宁波)有限公司 | Dynamic photographing processing method based on terminal, terminal and readable storage medium |
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| CN107610076A (en) * | 2017-09-11 | 2018-01-19 | 广东欧珀移动通信有限公司 | Image processing method and device, electronic installation and computer-readable recording medium |
| CN107908106A (en) * | 2017-11-01 | 2018-04-13 | 东南大学 | Double reheat power generation sets reheat steam temperature concentrates Prediction Control system from depression of order multiloop |
| CN111050074A (en) * | 2019-12-26 | 2020-04-21 | Tcl 移动通信科技(宁波)有限公司 | Dynamic photographing processing method based on terminal, terminal and readable storage medium |
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Application publication date: 20120321 |