CN101945259B - Device and method for superimposing and keeping out video images - Google Patents
Device and method for superimposing and keeping out video images Download PDFInfo
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Abstract
The invention discloses a device and a method for superimposing and keeping out video images. The device comprises a controller, a storing device, a region information resolver and a superimposer, wherein the controller is used for generating information and content data required to be superimposed and kept out in each image region, organizing the information and the data of each region, writing the information and the data into the storing device, and sending a starting address notice to the superimposer; the storing device is used for storing the information and the content data which are organized by the controller and are required to be superimposed and kept out in the image regions; the region information resolver is started according to a command of the superimposer and is used for reading the information and the content data required to be superimposed and kept out from the storing device, resolving the obtained information on superimposition and keeping out, and transmitting the information and the content data to the superimposer; and the superimposer is used for superimposing and keeping out the image regions according to the information and the content data which are transmitted by the region information resolver and are required to be superimposed and kept out. The device and the method have high convenience and robustness.
Description
Technical field
The present invention relates to the vedio data processing technology field, particularly relate to a kind of video and graph compound and the apparatus and method of blocking.
Background technology
In the image data processing technology field of video monitoring and coding, then the Word messages such as date, time, title that often will at first superpose at the video image that collects just transmit or encode.Sometimes also need some specific privacy areas are blocked.No matter be stack or block that its essence all is to mix or cover other content at original video content.
Chinese patent application 200610008233.1 discloses a kind of surveillance be used to sheltering privacy area and sets up the method for masking regional.Described surveillance comprises takes unit, region division unit, display unit and image-signal processor.Described shooting unit photographs monitor area.The masking regional of sheltering privacy area is set up in described region division unit, and described privacy area is included in the described monitor area at least in part.Described display unit shows the summit and the process that is connected these summits of masking regional according to masking regional setting.Described image-signal processor pair is with the corresponding picture signal of monitor area and carry out signal with the corresponding mask image signal of masking regional and process.
But in the prior art, slower with existence inconvenience and the processing speed of regional occlusion to the content stack of image, the problem that content stack and regional occlusion number are restricted.
Summary of the invention
The object of the present invention is to provide a kind of video and graph compound and the apparatus and method of blocking, it has good convenience and robustness so that the speed of quickening configuration information further, does not also have the restriction of occlusion area number.
For realizing a kind of video and graph compound that the object of the invention provides and the device that blocks, comprise controller, memory, area information resolver and superimposer, wherein: described controller be used for to generate the required stack of each image-region and the information of blocking and content-data, and the required stack of each image-region and the information of blocking and content-data is organized, in the write memory, and initial address sent to superimposer;
Described memory is used for storing described controller and has organized the required stack of each image-region and the information of blocking and the content-data that obtains;
Described area information resolver, be used for starting according to the enabling signal of superimposer, from memory, read the information and the content-data that need stack and block, parsing obtains instruction, data and the described content-data corresponding with the described information that needs stack and block, and then described instruction, data and content-data is passed to superimposer together;
Described superimposer is used for the described instruction, data and the content-data that send according to the area information resolver together, and image-region is superposeed and blocks.
More preferably, the described image-region that needs stack and block is a zone or plural a plurality of zone.
More preferably, described controller comprises indexing unit, is used for when the zone that needs stack and block is a plurality of zone, and in the mode of chained list needs being superposeed and block a plurality of image-regions links.
More preferably, described stack and the information of blocking comprise processing mode, the position of the image-region that each need to superpose and block, the storage address information of content-data.
More preferably, described memory is SDRAM or SRAM.
For realizing that the object of the invention also provides a kind of video and graph compound and the method for blocking, and comprises the following steps:
Step S100 generates the required stack of each image-region and the information of blocking and content-data, and the required stack of each image-region and the information of blocking and content-data are organized, and in the write memory, and initial address is sent to superimposer;
Step S200, the area information resolver reads information and the content-data that needs stack and block from memory, parsing obtains instruction, data and the described content-data corresponding with the described information that needs stack and block, and then described instruction, data and content-data is passed to superimposer together;
Described instruction, data and content-data that step S300, superimposer send according to the area information resolver superpose and block image-region together.
More preferably, described step S100 also comprises the following steps: step S110, when needs stacks and the zone of blocking are a plurality of zone, in the mode of chained list to the needs stack with block a plurality of image-regions and link.
More preferably, described step S110 comprises the following steps:
Step S111, when mark was carried out in first zone in a plurality of image-regions, the linked list head mark is zone headed by it, and stores first regional storage address;
Step S112 when mark is carried out in the next zone in a plurality of image-regions, judges at first whether it is last zone;
Step S113, if not last zone, the sequence number that then mark should the zone in the chained list of indexing unit, and memory address that should the zone correspondence; If last zone, then mark should the zone be final area in the chained list of indexing unit.
The invention has the beneficial effects as follows: video and graph compound of the present invention and the apparatus and method of blocking, by utilizing area information resolver and superimposer to carry out information analysis and content stack, alleviate the computation burden of controller, can greatly accelerate the speed that superposes, thereby reach real-time requirement.Further, by the mode that adopts regional chain area information is organized, so that as long as really need the zone of stack just can enter regional chain, reduce access and computation burden, simultaneously convenient increase and minimizing overlap-add region, and to the number in zone without limits, accelerate the processing of view data.
Description of drawings
Fig. 1 is video and graph compound of the present invention and the apparatus structure schematic diagram that blocks;
Fig. 2 be video and graph compound of the present invention with the device that blocks in the list structure schematic diagram of indexing unit;
Fig. 3 is video and graph compound of the present invention and the method flow diagram that blocks.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, video and graph compound of the present invention and the apparatus and method of blocking are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, as a kind of embodiment, the video and graph compound of the embodiment of the invention and the device that blocks comprise controller 1, memory 2, and area information resolver 3 and superimposer 4, wherein:
Described controller 1 be used for to generate the required stack of each image-region and the information of blocking and content-data, and the information and date that each is regional organizes, and in the write memory 2, and the initial address notice is sent to superimposer 4;
Needing the definite and generation of the information of stack and occlusion area, is a kind of prior art, not within the scope of the invention, therefore describes in detail no longer one by one in embodiments of the present invention.
Described memory 2 is used for storing described controller 1 and has organized the required stack of the image-region that obtains and the information of blocking and content-data;
Described content-data is original video data or the video data revised, and the video content data that needs stack or block.
Original video data can also can be to be collected in advance to leave in the memory from the external signal Real-time Collection, and the present invention is not limited this.
Described area information resolver 3 is used for reading information and the content-data that needs stack and block from memory 2, resolves the information that obtains the image stack and block, and then these information and content-data is passed to superimposer 4 together;
Described area information resolver 3 starts according to the instruction of superimposer 4, reads the information and the content-data that need stack and block from memory 2, resolves the information that obtains the image stack and block, and then these information and content-data is passed to superimposer 4 together;
Described parsing is read the information and content-data that needs stack and block from memory 2 after, and information and content-data are decomposed and explain the picture material that obtains superimposer 4 needed instructions, data and needs are superposeed and block.
Described superimposer 4 is used for the image stack that sends according to the area information resolver and the information of blocking with content-data, and image-region is superposeed and blocks.
After described superimposer 4 started according to the instruction of controller 1, control area information parser 3 started, and the image stack that sends according to area information resolver 3 and the information of blocking is with content-data, and image-region is superposeed and blocks.
The present invention is used for the zone stack and the device that blocks of video content, and as shown in Figure 1, controller 1 generally is microprocessor, and it will need to superpose and the information of occlusion area, and the picture material data that need stack and block, and leave in after the generation in the memory 2.It generates information and the content-data in required stack and shielded image zone, and information and content-data are organized, and in the write memory 2, and the address notification that will store this information and date content sends to superimposer 4.
The information of the described image-region that needs stack and block comprises processing mode, the position of the image-region that each need to superpose and block, the information such as storage address of content-data.
After receiving superimposer 4 enabling signals, area information resolver 3 is the read area domain information from memory 2, resolve the information such as storage address of wherein position, mode, content-data, then with these information with need the content-data of stack to pass to together superimposer 4 to superpose.
After the All Ranges stack was finished, the video of superimposer 4 outputs can be as subsequent treatment such as transmission or codings.
In the embodiment of the invention, area information resolver 3 is independent of controller 1 with superimposer 4, not only alleviates the computation burden of controller 1, and can greatly accelerate the speed that superposes, thereby reaches real-time requirement.
Preferably, the described image-region that needs stack and block is a zone or plural a plurality of zone.
Described a plurality of image-region can be the set of a plurality of image-regions in the piece image, also can be the set of each image-region in the above multiple image of two width of cloth, also can be the set of a plurality of image-regions in the above multiple image of two width of cloth.
Wherein, described controller 1 comprises indexing unit 11, is used for when the zone that needs stack and block is a plurality of zone, and in the mode of chained list needs being superposeed and block a plurality of image-regions links.
Described indexing unit 11 is when carrying out mark to first zone in a plurality of image-regions, and the linked list head mark of indexing unit is zone headed by it, and stores first regional storage address; When mark is carried out in the next zone in a plurality of image-regions, judge at first whether it is last zone; If not last zone, the sequence number that then mark should the zone in the chained list of indexing unit 11, and memory address that should the zone correspondence; If last zone, then mark should the zone be final area in the chained list of indexing unit.The chained list of described indexing unit is as shown in table 1.
The list structure of table 1 indexing unit
As shown in Figure 2, label information between a plurality of image-regions is organized in the mode of chained list, what controller 1 offered superimposer 4 is the storage address of the information in first zone (area 0), the information such as storage address of first regional position, mode, interior perhaps content are not only deposited in this address, also deposit the whether sign in last zone of current region.If current region is not last zone, also need to deposit the storage address in next area information (zone 1), by that analogy, until finish in last zone.This mode with chained list is organized the zone, and not only regional number can also be carried out increase and the minimizing in zone without limits easily.
Preferably, described memory 2 is SDRAM or SRAM.
Correspondingly, the present invention also provides a kind of embodiment video and graph compound and the method for blocking, and as shown in Figure 3, comprises the steps:
Step S100 generates the required stack of each image-region and the information of blocking and content-data, and the information and date that each is regional organizes, and in the write memory 2, and the initial address notice is sent to superimposer 4;
Preferably, described step S100 also comprises the following steps:
Step S110, when needs stacks and the zone of blocking are a plurality of zone, in the mode of chained list to the needs stack with block a plurality of image-regions and link.
Described step S110 comprises the following steps:
Step S111, when mark was carried out in first zone in a plurality of image-regions, the linked list head mark is zone headed by it, and stores first regional storage address;
Step S112 when mark is carried out in the next zone in a plurality of image-regions, judges at first whether it is last zone;
Step S113, if not last zone, the sequence number that then mark should the zone in the chained list of indexing unit, and memory address that should the zone correspondence;
If last zone, then mark should the zone be final area in the chained list of indexing unit.
Adopt the mode of chained list that area information is organized, its beneficial effect shows: 1, only have the real zone of stack that needs just can enter regional chain, reduce access and computation burden; 2, convenient increasing and the minimizing overlap-add region; 3, regional number without limits.
Step S200, area information resolver 3 read information and the content-data that needs stack and block from memory 2, resolve the information that obtains the image stack and block, and then these information and content-data are passed to superimposer 4 together;
The image stack that step S300, superimposer 4 send according to area information resolver 3 and the information of blocking is with content-data, and image-region is superposeed and blocks.
Video and graph compound of the present invention and the apparatus and method of blocking are carried out information analysis and content stack by utilizing area information resolver 3 and superimposer 4, alleviate the computation burden of controller 1, can greatly accelerate the speed that superposes, thereby reach real-time requirement.Further, by the mode that adopts regional chain area information is organized, so that as long as really need the zone of stack just can enter regional chain, reduce access and computation burden, simultaneously convenient increase and minimizing overlap-add region, and to the number in zone without limits, accelerate the processing of view data.
Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these revise and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification.
Claims (8)
1. a video and graph compound and the device that blocks is characterized in that, comprise controller, memory, and area information resolver and superimposer, wherein:
Described controller, be used for generating the required stack of each image-region and the information of blocking and content-data, and the required stack of each image-region and the information of blocking and content-data organized, in the write memory, and initial address sent to superimposer;
Described memory is used for storing described controller and has organized the required stack of each image-region and the information of blocking and the content-data that obtains;
Described area information resolver, be used for starting according to the enabling signal of superimposer, from memory, read the information and the content-data that need stack and block, parsing obtains instruction, data and the described content-data corresponding with the described information that needs stack and block, and then described instruction, data and content-data is passed to superimposer together;
Described superimposer is used for the described instruction, data and the content-data that send according to the area information resolver together, and image-region is superposeed and blocks.
2. video and graph compound according to claim 1 and the device that blocks is characterized in that, the described image-region that needs stack and block is a zone or plural a plurality of zone.
3. video and graph compound according to claim 2 and the device that blocks, it is characterized in that, described controller comprises indexing unit, is used for when the zone that needs stack and block is a plurality of zone, and in the mode of chained list needs being superposeed and block a plurality of image-regions links.
4. according to claim 1 to 3 each described video and graph compounds and the device that blocks, it is characterized in that described stack and the information of blocking comprise processing mode, the position of the image-region that each need to superpose and block, the storage address information of content-data.
5. video and graph compound according to claim 1 and the device that blocks is characterized in that described memory is SDRAM or SRAM.
6. a video and graph compound and the method for blocking is characterized in that, comprise the following steps:
Step S100 generates the required stack of each image-region and the information of blocking and content-data, and the required stack of each image-region and the information of blocking and content-data are organized, and in the write memory, and initial address is sent to superimposer;
Step S200, the area information resolver reads information and the content-data that needs stack and block from memory, parsing obtains instruction, data and the described content-data corresponding with the described information that needs stack and block, and then described instruction, data and content-data is passed to superimposer together;
Described instruction, data and content-data that step S300, superimposer send according to the area information resolver superpose and block image-region together.
7. video and graph compound according to claim 6 and the method for blocking is characterized in that described step S100 also comprises the following steps:
Step S110, when needs stacks and the zone of blocking are a plurality of zone, in the mode of chained list to the needs stack with block a plurality of image-regions and link.
8. video and graph compound according to claim 7 and the method for blocking is characterized in that described step S110 comprises the following steps:
Step S111, when mark was carried out in first zone in a plurality of image-regions, the linked list head mark is zone headed by it, and stores first regional storage address;
Step S112 when mark is carried out in the next zone in a plurality of image-regions, judges at first whether it is last zone;
Step S113, if not last zone, the sequence number that then mark should the zone in the chained list of indexing unit, and memory address that should the zone correspondence; If last zone, then mark should the zone be final area in the chained list of indexing unit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103179378A (en) * | 2011-12-26 | 2013-06-26 | 天津市亚安科技股份有限公司 | Video monitoring device with privacy sheltering function and privacy sheltering method |
| CN102984518B (en) * | 2012-11-30 | 2015-09-30 | 河北电信设计咨询有限公司 | A kind of VNC image transmission data processing method |
| CN104320700A (en) * | 2014-10-27 | 2015-01-28 | 无锡天脉聚源传媒科技有限公司 | Method and device for marking regions in video |
| CN108668161A (en) * | 2018-05-30 | 2018-10-16 | 珠海全志科技股份有限公司 | Method of video image processing, computer installation and computer readable storage medium |
| CN114419720B (en) * | 2022-03-30 | 2022-10-18 | 浙江大华技术股份有限公司 | Image occlusion method and system and computer readable storage medium |
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