CN101763232B - Image signal processor, image signal processing system and image transmission cascade device - Google Patents
Image signal processor, image signal processing system and image transmission cascade device Download PDFInfo
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Abstract
The invention relates to an image signal processor, an image signal processing system cascaded by a plurality of image signal processors and an image transmission cascade device used for cascading a plurality of image signal processors, wherein an image signal switching unit of the image signal processor is also provided with a plurality of cascade input interfaces suitable for receiving a switching signal and a plurality of cascade output interfaces suitable for transmitting the switching signal, which are respectively connected with the outside of the image signal processor; the image signal switching unit of the image transmission cascade device is provided with a plurality of cascade input interfaces suitable for receiving the switching signal and a plurality of cascade output interfaces suitable for transmitting the switching signal, which are respectively connected with the outside of the image transmission cascade device; the image signal processors are used for cascading and forming the image signal processing system; and the image transmission cascade device can be used for cascading the image signal processors.
Description
Technical field
The present invention relates to image-signal processor, also relate to the image-signal processing system that is formed by a plurality of image-signal processor cascades, also relate to be used to the image transmission cascade device of realizing a plurality of image-signal processor cascades.
Background technology
Needing the occasion of large screen display image, a plurality of screen splicings can got up form a giant-screen, carrying out multi-screen splicing and show, each screen is called a concatenation unit screen.Image-signal processor is used for gathering the picture signal from image source, outputs on the concatenation unit screen to show.Existing image-signal processor comprises that picture signal crosspoint, image source input branch road and image show the output branch road, and image source input branch road and/or image show that the output branch road has many,
Image source input branch road passes through to be fit to the input end that transmission exchanges the interface connection layout image signal crosspoint of signal, and be used for collection from the image of image source and convert thereof into the exchange signal that is fit to exchange,
Image shows the output branch road by being fit to the interface connection layout image signal crosspoint output terminal of transmission exchange signal, is used for exchanging signal and converts to and be adapted at the demonstration output signal that shows on the concatenation unit screen.
Image source input branch road and image show the output branch road all have many image-signal processor as shown in Figure 1, the effect of picture signal crosspoint is that the image exchange from multiway images source input branch road is shown that to multiway images exporting branch road shows output.Because the image source that picture signal crosspoint can connect input branch road and image show that the quantity of output branch road is limited, so---for example the image of single image signal processor demonstration output branch road quantity is less than concatenation unit number of screen---needs to adopt a plurality of image-signal processors carry out cascade in some cases, to increase operational image source input branch road and image demonstration output branch road.
Example such as Fig. 2 of adopting the conventional images signal processor to carry out cascade, the image of image-signal processor X show that the output branch road connects the image source input branch road of image-signal processor Y.The image source of image-signal processor X is inputted branch road and is gathered image, and this image is exchanged to two images demonstration output branch roads, and wherein the image of top demonstration output branch road directly sends to this image on first concatenation unit screen and shows; And the image of below shows that the output branch road gathers the image source input branch road that same width image sends to image-signal processor Y again, is sent on second concatenation unit screen by the image source input branch road of image-signal processor Y to show.In practice, collection each time to image all can produce distortion because of loss, and after the image of image-signal processor Y show output branch road institute output display image ratio the preceding the image of image-signal processor X show that the same width image of output branch road institute output display has passed through more and once gather, distortion level is different, this just cause same width image on first concatenation unit screen and the color that shows on second concatenation unit screen inconsistent.In addition, even times of collection is the same, if but gather with different devices, even the model of device is the same, distortion level also can be different.
Summary of the invention
After the present invention was intended to solve the image-signal processor cascade, the same width image fault degree varies sample of the image displaying circuit output display of different images signal processor caused the inconsistent problem of same width image display color on different screen.
Provide image-signal processor for this reason, comprise that picture signal crosspoint, image source input branch road and image show the output branch road, image source input branch road and/or image show that the output branch road has many,
Image source input branch road passes through to be fit to the input end that transmission exchanges the interface connection layout image signal crosspoint of signal, and be used for collection from the image of image source and convert thereof into the exchange signal that is fit to exchange,
Image shows the output branch road by being fit to the interface connection layout image signal crosspoint output terminal of transmission exchange signal, is used for exchanging signal and converts to and be adapted at the demonstration output signal that shows on the concatenation unit screen,
It is characterized in that,
The picture signal crosspoint also is provided with the tandem incoming interface that is fit to reception exchange signal and is fit to send the directly link interface that exchanges signal and is connected to outside image-signal processor respectively.
Given image-signal processor has been arranged, just can provide image-signal processing system, comprise at least two given image-signal processor cascades, this cascade realizes by the tandem incoming interface of the image-signal processor after the directly link interface of image-signal processor is connected to the preceding.Like this only need to gather image at the most front image-signal processor, because by this cascade with the image that gathers be dealt into after image-signal processor, after image-signal processor just need not same width image is carried out repeated acquisition, so the same width image of the image displaying circuit output display of different images signal processor all by getting with once gathering, has guaranteed the consistance of image color.
Give image transmission cascade device, comprise the picture signal crosspoint, it is characterized in that, the picture signal crosspoint is provided with the tandem incoming interface that is fit to reception exchange signal and is fit to send the directly link interface that exchanges signal and is connected to respectively outside image transmission cascade device, and described tandem incoming interface and/or directly link interface have a plurality of.The connection of the tandem incoming interface of the image-signal processor after this image transmission cascade device can be used in and realizes in above-mentioned image-signal processing system the directly link interface of image-signal processor the preceding and be connected.
Description of drawings
Fig. 1 is the structured flowchart of conventional images signal processor.
Fig. 2 is the structured flowchart that adopts the conventional images signal processor to carry out cascade.
Fig. 3 is the structured flowchart of image-signal processor of the present invention.
Fig. 4 is the structured flowchart that adopts image-signal processor of the present invention to carry out cascade.
Fig. 5 is the structured flowchart of image-signal processing system of the present invention.
Fig. 6 is the structured flowchart of image-signal processing system of the present invention, wherein comprises a plurality of image transmission cascade devices.
Embodiment
Image-signal processor such as Fig. 3 have the picture signal crosspoint; Multiple bar chart image source input branch road is connected on the input end of picture signal crosspoint, is used for collection from the image of image source and converts thereof into the exchange signal that is fit to exchange; The multiple bar chart picture shows that the output branch road is connected on the output terminal of picture signal crosspoint, is used for exchanging signal and converts to and be adapted at the demonstration output signal that shows on the concatenation unit screen; The picture signal crosspoint also is provided with the tandem incoming interface that is fit to reception exchange signal and is fit to send the directly link interface that exchanges signal and is connected to outside image-signal processor respectively.
By image-signal processing system such as Fig. 4 that two image-signal processor cascades form, this cascade realizes by the tandem incoming interface of the directly link interface connection layout image signal processor B of image-signal processor A.Piece image is gathered in the image source input branch road of image-signal processor A, is switched to directly link interface and image demonstration output branch road of image-signal processor A through the picture signal crosspoint of image-signal processor A, wherein
(1) be switched to image that image shows the output branch road and can directly send on first concatenation unit screen and show,
(2) image that is switched to the directly link interface enters the tandem incoming interface of image-signal processor B, an image that is switched to image-signal processor B through the picture signal crosspoint of image-signal processor B shows output branch road (the directly link interface that also can be switched to simultaneously image-signal processor B sends to next stage image-signal processor again), then sends on second concatenation unit screen to show.
image-signal processing system as Fig. 5, image transmission cascade device wherein has the picture signal crosspoint, the picture signal crosspoint is provided with the tandem incoming interface of a plurality of suitable reception exchange signals and the directly link interface of a plurality of suitable transmission exchange signals is connected to respectively outside image transmission cascade device, the directly link interface that is used for realizing above-mentioned image-signal processor A is connected the connection of tandem incoming interface with image-signal processor B: the directly link interface of image-signal processor A connects the tandem incoming interface of image transmission cascade device, the tandem incoming interface of image-signal processor B connects the directly link interface of image transmission cascade device.
A plurality of image transmission cascade devices can be connected into the image transmission cascade device group in Fig. 6, this series connection realizes by the tandem incoming interface of the image transmission cascade device after the directly link interface of image transmission cascade device is connected to the preceding, the tandem incoming interface of the most front image transmission cascade device is as the tandem incoming interface of image transmission cascade device group, and the directly link interface of last image transmission cascade device is as the directly link interface of image transmission cascade device group.The directly link interface that also can be used for realizing above-mentioned image-signal processor A be connected the connection of tandem incoming interface of an image-signal processor: the directly link interface of first image-signal processor connects the tandem incoming interface of image transmission cascade device group, the tandem incoming interface of second image-signal processor connects the directly link interface of image transmission cascade device group, forms the image-signal processing system as Fig. 6.
In Fig. 5,6, the remaining image source input branch road of image transmission cascade device can be used for connecting the directly link interface of more image-signal processors or image transmission cascade device, the remaining image of image transmission cascade device shows that the output branch road can be used for connecting the image source input branch road of more image-signal processors or image transmission cascade device, realize a plurality of image-signal processors the preceding and a plurality of after the cascade of image-signal processor.
Claims (5)
1. image-signal processor, comprise that picture signal crosspoint, image source input branch road and image show the output branch road, and image source input branch road and/or image show that the output branch road has many,
Image source input branch road passes through to be fit to the input end that transmission exchanges the interface connection layout image signal crosspoint of signal, and be used for collection from the image of image source and convert thereof into the exchange signal that is fit to exchange,
Image shows the output branch road by being fit to the interface connection layout image signal crosspoint output terminal of transmission exchange signal, is used for exchanging signal and converts to and be adapted at the demonstration output signal that shows on the concatenation unit screen,
The picture signal crosspoint is used for and will shows that to multiway images the output branch road shows output from the image exchange of multiway images source input branch road;
It is characterized in that,
The picture signal crosspoint also is provided with the tandem incoming interface that is fit to reception exchange signal and is fit to send the directly link interface that exchanges signal and is connected to outside image-signal processor respectively.
2. image transmission cascade device, comprise the picture signal crosspoint, it is characterized in that, the picture signal crosspoint is provided with the tandem incoming interface that is fit to reception exchange signal and is fit to send the directly link interface that exchanges signal and is connected to respectively outside image transmission cascade device, and described tandem incoming interface and/or directly link interface have a plurality of; The directly link interface that this image transmission cascade device is used for realizing image-signal processor the preceding be connected after the connection of tandem incoming interface of image-signal processor.
3. image-signal processing system, comprise at least two image-signal processor cascades as claimed in claim 1, and this cascade realizes by the tandem incoming interface of the image-signal processor after the directly link interface of image-signal processor is connected to the preceding.
4. according to claim 3 image-signal processing system, described connection realizes by an image transmission cascade device as claimed in claim 2: the directly link interface of first image-signal processor connects the tandem incoming interface of image transmission cascade device, and the tandem incoming interface of second image-signal processor connects the directly link interface of image transmission cascade device.
5. according to claim 3 image-signal processing system, comprise the image transmission cascade device group that is in series by at least two image transmission cascade devices as claimed in claim 2, this series connection realizes by the tandem incoming interface of the image transmission cascade device after the directly link interface of image transmission cascade device is connected to the preceding, the tandem incoming interface of the most front image transmission cascade device is as the tandem incoming interface of image transmission cascade device group, and the directly link interface of last image transmission cascade device is as the directly link interface of image transmission cascade device group;
The directly link interface of described first image-signal processor be connected the connection of tandem incoming interface of an image-signal processor and realize by above-mentioned image transmission cascade device group: the directly link interface of first image-signal processor connects the tandem incoming interface of image transmission cascade device group, and the tandem incoming interface of second image-signal processor connects the directly link interface of image transmission cascade device group.
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| CN102509542A (en) * | 2011-10-21 | 2012-06-20 | 深圳市创凯电子有限公司 | Cascade display control method among multiple large-screen spliced image controllers |
| CN109274901A (en) * | 2018-11-07 | 2019-01-25 | 深圳市灵星雨科技开发有限公司 | A kind of video processor and video display control system |
| CN112925491A (en) * | 2019-12-06 | 2021-06-08 | 杭州海康威视数字技术股份有限公司 | Splicing controller and splicing control system |
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