CN104881262A - Multi-screen display method for images - Google Patents
Multi-screen display method for images Download PDFInfo
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- CN104881262A CN104881262A CN201510266006.8A CN201510266006A CN104881262A CN 104881262 A CN104881262 A CN 104881262A CN 201510266006 A CN201510266006 A CN 201510266006A CN 104881262 A CN104881262 A CN 104881262A
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Abstract
The invention relates to the field of multi-screen mosaic display, and discloses a multi-screen display method for images. The method includes the steps that a display instruction is received and analyzed, and video data are acquired according to the display instruction and forwarded to at least two display processing units; image segmentation calculation is performed on the video data according to the display instruction, segmentation processing is performed on the video data according to an image segmentation calculation result, decoding processing is performed on the video data obtained after segmentation processing, and the video data are output to a corresponding large-screen area to be displayed. By means of the method, selected images can be conveniently and efficiently transmitted to the large screen to be displayed, and therefore the problem that in the prior art, far-end images can not be transmitted to a large screen to be displayed is solved. The method is implemented through software without special hardware equipment, and therefore the cost is greatly lowered.
Description
Technical field
The present invention relates to multi-screen splicing display field, particularly relate to a kind of image multi-display method.
Background technology
In the application of all kinds of halls, user can install the different information of polylith large-size screen monitors simultaneous display multiclass, conveniently carries out video directing, video conference, the long-range business such as to hold a conference or consultation.And utilize computer display card to support the function of multihead display, also the content of computing machine can be carried out output display with larger resolution.The image of required display is via encoder encodes access network, and Internet Transmission, the upper large-size screen monitors of unified decoding, the resolution that this mode makes image show and size conforms large-size screen monitors show demand.
In existing tradition application, large-size screen monitors display manipulates IP matrix by user terminal, media data is obtained and display of decoding from video source device, its display outputs to the fusion device of third party producer by VGA cable, and vision signal carries out outputting to large-size screen monitors after then cutting splicing carries out fusion treatment by fusion device.In prior art, to the control of third party producer fusion device, the agreement defined by producer, controls the various screen operators of fusion device via serial communication.Fusion device span mode is fixed, and can not meet the special span mode of user's needs, and this fusion device hardware device needs to be controlled by serial ports, and signaling controls disunity.
Summary of the invention
The invention provides a kind of image multi-display method, solve fusion device span mode in prior art and fix, the technical matters of the special span mode of user's needs can not be met.
The object of the invention is to be achieved through the following technical solutions:
A kind of image multi-display method, comprising:
Receive idsplay order also to resolve, described idsplay order comprises the information of the IP address of video source device, large-size screen monitors display mode and viewing area;
According to described idsplay order, obtain video data, and at least two display processing unit forwarding video datas;
According to described idsplay order, Iamge Segmentation calculating is carried out to described video data;
According to the result of calculation that Iamge Segmentation calculates, dividing processing is carried out to described video data;
Decoding process is carried out to the video data after dividing processing, and outputs to corresponding large-size screen monitors region display.
By a kind of image multi-display method provided by the invention, comprise and receive idsplay order and resolve, according to described idsplay order, obtain video data, and at least two display processing unit forwarding video datas; According to described idsplay order, Iamge Segmentation calculating is carried out to described video data, according to the result of calculation that Iamge Segmentation calculates, dividing processing is carried out to described video data, decoding process is carried out to the video data after dividing processing, and outputs to corresponding large-size screen monitors region display.The present invention can the passing to large-size screen monitors by selection image and show of convenience and high-efficiency, and distal view picture can not be passed to the problem of large-size screen monitors display before solving.The present invention adopts software simulating, does not need special hardware device, greatly reduces cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
The application scenarios figure of a kind of image multi-display method that Fig. 1 provides for the embodiment of the present invention;
The process flow diagram of a kind of image multi-display method that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the display example of image on large-size screen monitors in the embodiment of the present invention;
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As a kind of application scenarios figure of image multi-display method of Fig. 1 for providing in the embodiment of the present invention, comprise image Multi-screen display system 110, user terminal 120, video source device 130 and large-size screen monitors 140, wherein, image Multi-screen display system 110, for Video segmentation process, realizes multihead display dividing processing.Connected by network between image Multi-screen display system 110, user terminal 120, video source device 130.Below for image Multi-screen display system 110, describe a kind of image multi-display method that the embodiment of the present invention provides in detail, as shown in Figure 2, comprising:
Step 201, receive idsplay order resolving;
Wherein, described idsplay order comprises the information of the IP address of video source device, large-size screen monitors display mode and viewing area, and described large-size screen monitors display mode comprises large-size screen monitors span mode, each split screen numbering; The information of described viewing area comprises the split screen numbering that described video data shows at large-size screen monitors, and video data is in the logical rectangle scope of large screen display.
Step 202, according to described idsplay order, obtain video data, and at least two display processing unit forwarding video datas;
According to the IP address of described video source device, obtain video data from described video source device with Real-time Transport Protocol form;
Based on udp protocol, at least two display processing units with multicast mode forwarding video data.
Step 203, according to described idsplay order, Iamge Segmentation calculating is carried out to described video data;
Wherein, step 203 specifically can comprise:
According to the upper left corner logical point of video data in the logical rectangle scope of large screen display, single physical display screen rectangular extent and single physical display screen rectangular extent, obtain the rectangular extent that display processing unit needs to show on single physical display screen.
Step 204, the result of calculation calculated according to Iamge Segmentation, carry out dividing processing to described video data;
Wherein, step 204 specifically can comprise:
On single physical display screen, need the rectangular extent shown according to display processing unit, dividing processing is carried out to described video data, to obtain video data corresponding to single physical display screen.
Step 205, the video data after dividing processing carried out to decoding process, and output to corresponding large-size screen monitors region display.
Wherein, the video data that single physical display screen is corresponding is mapped to decoded video source YUV (brightness, saturation degree, contrast) panel data rectangular extent, directly can output to corresponding large-size screen monitors region display.
By a kind of image multi-display method provided by the invention, comprise and receive idsplay order and resolve, according to described idsplay order, obtain video data, and at least two display processing unit forwarding video datas; According to described idsplay order, Iamge Segmentation calculating is carried out to described video data, according to the result of calculation that Iamge Segmentation calculates, dividing processing is carried out to described video data, decoding process is carried out to the video data after dividing processing, and outputs to corresponding large-size screen monitors region display.The present invention can the passing to large-size screen monitors by selection image and show of convenience and high-efficiency, and distal view picture can not be passed to the problem of large-size screen monitors display before solving.The present invention adopts software simulating, does not need special hardware device, greatly reduces cost.
According to the upper left corner logical point of video data in the logical rectangle scope of large screen display, single physical display screen rectangular extent and single physical display screen rectangular extent in the embodiment of the present invention, obtain the rectangular extent that display processing unit needs to show on single physical display screen, for Fig. 3, Iamge Segmentation computing method in the embodiment of the present invention are described, as follows:
L_rect_src: video data is in the logical rectangle scope (stain scope) of large screen display
P_rect_mon: single physical display screen area
L_pt_mon: the most upper left point of single physical display screen
Rect_mon_o: the stain region that single physical display screen comprises
Rect_src_o: the stain region that single physical display screen comprises corresponds to the rectangular extent of video data
Src_width: the resolution width of video source
Src_height: the resolution height of video source;
(1), each display processing unit can export n physics display screen to, provides interface to be configured (n span 1 ~ 4) physics display screen quantity;
(2), the complete video data received is decomposed into n packet corresponding to the n corresponding with this display unit display screen by each display processing unit, and display processing unit, in the positional information of the large screen display of target, comprises following parameter:
P_rect_mon: the [n] individual physics display screen rectangular extent, comprises left, top, right, bottom tetra-values;
The upper left corner logical point of L_pt_mon: the [n] individual physics display screen rectangular extent;
(3), the parameter that obtains according to (2) step of display processing unit, obtain Rect_mon_o, comprise left, top, right, bottom tetra-values; And then obtain rect_src_o (being mapped to decoded video source YUV (brightness, saturation degree, contrast) panel data rectangular extent by Rect_mon_o), comprise left, top, right, bottom tetra-values;
(4) parametric procedure of (3) step is obtained by the parameter of (2) step as follows:
Step a, by [n] individual physics display screen rectangular extent P_rect_mon according to upper left corner logic L_pt_mon translation obtain on large-size screen monitors logic display rectangular extent L_rect_mon left, top, right, bottom tetra-values, because the upper left corner logical point L_pt_mon of P_rect_mon is the coordinate of single physical display screen, on corresponding large-size screen monitors during corresponding display top left co-ordinate, need to carry out translation, carry out the increase of the numerical value of left, top, right, bottom;
Whether rectangular extent L_rect_mon is crossing at the logical rectangle range L _ rect_src of large screen display with video source data for the display of step b, decision logic, crossing then calculate left, top, right, bottom tetra-values of crossing rectangular extent R, the value of non-intersect R is 0;
Step c, calculated left, top, right, bottom tetra-values of rect_src_o by R, L_rect_src, src_width, src_height;
Steps d, calculated left, top, right, bottom tetra-values of Rect_mon_o by R, L_pt_mon;
Step e, display processing unit are split complete video source data according to the Rect_src_o value calculated.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. an image multi-display method, is characterized in that, comprising:
Receive idsplay order also to resolve, described idsplay order comprises the information of the IP address of video source device, large-size screen monitors display mode and viewing area;
According to described idsplay order, obtain video data, and at least two display processing unit forwarding video datas;
According to described idsplay order, Iamge Segmentation calculating is carried out to described video data;
According to the result of calculation that Iamge Segmentation calculates, dividing processing is carried out to described video data;
Decoding process is carried out to the video data after dividing processing, and outputs to corresponding large-size screen monitors region display.
2. image multi-display method according to claim 1, is characterized in that, described large-size screen monitors display mode comprises large-size screen monitors span mode, each split screen numbering; The information of described viewing area comprises the split screen numbering that described video data shows at large-size screen monitors, and video data is in the logical rectangle scope of large screen display.
3. image multi-display method according to claim 1, is characterized in that, described according to described idsplay order, obtains video data, and at least two display processing unit forwarding video datas, comprising:
According to the IP address of described video source device, obtain video data from described video source device with Real-time Transport Protocol form;
Based on udp protocol, at least two display processing units with multicast mode forwarding video data.
4. image multi-display method according to claim 1, is characterized in that, described according to described idsplay order, carries out Iamge Segmentation calculating, comprising described video data:
According to the upper left corner logical point of video data in the logical rectangle scope of large screen display, single physical display screen rectangular extent and single physical display screen rectangular extent, obtain the rectangular extent that display processing unit needs to show on single physical display screen.
5. image multi-display method according to claim 1, is characterized in that, the described result of calculation calculated according to Iamge Segmentation, carries out dividing processing, comprising described video data:
On single physical display screen, need the rectangular extent shown according to display processing unit, dividing processing is carried out to described video data, to obtain video data corresponding to single physical display screen.
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| CN201510266006.8A CN104881262A (en) | 2015-05-22 | 2015-05-22 | Multi-screen display method for images |
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Cited By (7)
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| CN105139770A (en) * | 2015-09-29 | 2015-12-09 | 深圳市汉丰光电有限公司 | Rapidly spliced LED display system and display method thereof |
| CN106851129A (en) * | 2015-12-07 | 2017-06-13 | 北京航天长峰科技工业集团有限公司 | A kind of video-splicing result multihead display and control method |
| CN107295321A (en) * | 2017-08-11 | 2017-10-24 | 成都希德电子信息技术有限公司 | The advertisement projecting system of timesharing split screen |
| CN107426524A (en) * | 2017-06-06 | 2017-12-01 | 微鲸科技有限公司 | A kind of method and apparatus of the Multi-Party Conference based on virtual panoramic |
| CN107452279A (en) * | 2017-06-29 | 2017-12-08 | 广州励丰文化科技股份有限公司 | Point-to-point mapping display methods and service equipment based on digital art landscape device |
| CN108121959A (en) * | 2017-12-20 | 2018-06-05 | 浙江网仓科技有限公司 | Visualize method for tracing and system |
| CN111459430A (en) * | 2020-03-04 | 2020-07-28 | 深圳创维－Rgb电子有限公司 | Video image splicing method, storage medium and display device |
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| CN102646032A (en) * | 2012-04-16 | 2012-08-22 | 杭州海康威视数字技术股份有限公司 | Distributed screen splicing control system and control method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139770A (en) * | 2015-09-29 | 2015-12-09 | 深圳市汉丰光电有限公司 | Rapidly spliced LED display system and display method thereof |
| CN106851129A (en) * | 2015-12-07 | 2017-06-13 | 北京航天长峰科技工业集团有限公司 | A kind of video-splicing result multihead display and control method |
| CN107426524A (en) * | 2017-06-06 | 2017-12-01 | 微鲸科技有限公司 | A kind of method and apparatus of the Multi-Party Conference based on virtual panoramic |
| CN107452279A (en) * | 2017-06-29 | 2017-12-08 | 广州励丰文化科技股份有限公司 | Point-to-point mapping display methods and service equipment based on digital art landscape device |
| CN107452279B (en) * | 2017-06-29 | 2020-04-24 | 广州励丰文化科技股份有限公司 | Point-to-point mapping display method based on digital artistic landscape device and service equipment |
| CN107295321A (en) * | 2017-08-11 | 2017-10-24 | 成都希德电子信息技术有限公司 | The advertisement projecting system of timesharing split screen |
| CN108121959A (en) * | 2017-12-20 | 2018-06-05 | 浙江网仓科技有限公司 | Visualize method for tracing and system |
| CN111459430A (en) * | 2020-03-04 | 2020-07-28 | 深圳创维－Rgb电子有限公司 | Video image splicing method, storage medium and display device |
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