Image display method, device, system and video controller
A video controller and image display technology, applied in image communication, TV system components, TV, etc., can solve the problems of inconvenient use for users and increase of user cost
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no. 1 example
[0045] see figure 2 , the first embodiment of the present invention provides a video controller. Such as figure 2 As shown, the video controller 10 includes, for example, a microcontroller 11 , a programmable logic device 12 and a video processing chip 13 . The microcontroller 11 is respectively connected to a programmable logic device 12 and a video processing chip 13 , and the video processing chip 13 is also connected to the programmable logic device 12 .
[0046] Wherein, the microcontroller 11 is used for sending the first scaling factor to the video processing chip 13 and sending the second scaling factor to the programmable logic device 12 . The video processing chip 13 is used to obtain the target video source, perform scaling processing on the target video source in the first direction according to the first scaling factor to obtain a first scaled video source, and send the first scaled video source to the programmable logic device 12 . The programmable logic de...
no. 2 example
[0063] see Figure 4 , the second embodiment of the present invention proposes an image display method. Such as Figure 4 As shown, the image display method includes, for example, steps S11 to S15.
[0064] Step S11: Acquiring the target video source;
[0065] Step S13: performing scaling processing on the target video source in the first direction according to the first scaling factor to obtain a first scaled video source;
[0066] Step S15: Send the first scaled video source to the programmable logic device, so that the programmable logic device performs a second scaling operation perpendicular to the first direction on the first scaled video source according to a second scaling factor. The second zoomed video source is obtained through the two-direction scaling process, and the second zoomed video source is output to the target display screen for display, wherein the length of the target display screen in the second direction is at least the target three times the lengt...
no. 3 example
[0075] see Figure 5 , the third embodiment of the present invention provides an image display device. Such as Figure 5 As shown, the image display device 20 includes, for example, a video source acquisition module 21 , a scaling processing module 22 and a video source sending module 23 .
[0076] Wherein, the video source obtaining module 21 is used for obtaining a target video source. The scaling processing module 22 is configured to perform scaling processing on the target video source in a first direction according to the first scaling factor to obtain a first scaled video source. The video source sending module 23 is configured to send the first scaled video source to the programmable logic device, so that the programmable logic device performs vertically the first scaled video source on the first scaled video source according to the second scaling factor. A second zooming process in one direction obtains a second zoomed video source, and outputs the second zoomed vid...
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