Image compression algorithm and image compression control device for TFT-LCD driving IC
A technology for image compression and control devices, which is applied in image coding, image data processing, calculation, etc., and can solve the problems of reducing the display effect and failing to achieve
Inactive Publication Date: 2016-06-01
NEW VISION MICROELECTRONICS INC
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Problems solved by technology
Due to its advanced processing system and LCD display, smart phones have occupied most of the domestic market, and have gradually replaced old-fashioned mobile phones, becoming the mainstream of today's society. Further, in order to improve user experience, merchants pay attention to the display technology. Research is also more and more concerned. Specifically, a kind of image display technology based on TFT-LCD driver IC is more and more paid attention to by merchants. In order to improve the image display of the TFT-LCD driver IC, the TFT-LCD driver IC The configuration, performance and other factors should be improved accordingly. However, due to the pressure of cost and technology, we often cannot achieve the desired effect. Therefore, we can make the TFT- The smaller the SRAM inside the LCD driver IC chip, the better. Further, we can focus on how to make the SRAM as small as possible, or effectively compress the stored data
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[0036] figure 1 According to a specific embodiment of the present invention, the flow chart of compressing the display input data in the TFTLCD display driving circuit specifically includes the following steps:
[0037] First, enter step S101, construct a sub-image matrix unit for the display input data received by the drive circuit, the purpose of constructing a sub-image matrix unit for the display input data received by the drive circuit is to make the display input data It can enter the drive circuit in the form of a matrix to perform the compression process. Specifically, the sub-image matrix unit is a matrix unit composed of 4 bytes in the horizontal direction and 4 bytes in the vertical direction, that is, 4*4 matrix unit. Those skilled in the art understand that, as Figure 4 As shown, preferably, before the execution of step S101, the display input data can be placed in the first cache, and further, people execute commands such as calling, sending, and viewing throu...
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The invention provides an image compression algorithm for a TFT-LCD driving IC, wherein the image compression algorithm is used for compressing displaying data in a TFT-LCD display device driving circuit. The image compression algorithm is characterized by comprising the steps of a, establishing a subgraph matrix unit for displaying input data which are received by the driving circuit; b, selecting a first threshold and a second threshold from the displaying input data which are received by the driving circuit; c, calculating a reference value list which comprises sequence information according to the first threshold and the second threshold; d, comparing each displaying input data with the reference value list, thereby obtaining a reference value which is most approximate to the displaying input data; and e, coding the reference value according to the first threshold, the second threshold and the sequence information which corresponds with the reference value.
Description
technical field [0001] The present invention relates to an image compression algorithm, in particular to an image compression algorithm for a TFT-LCD driver IC, in particular to an image compression algorithm for a TFT-LCD driver IC and a corresponding control device. Background technique [0002] With the continuous progress of society and the continuous development of science and technology, the development speed of the optoelectronic industry has become faster and faster in recent years. People are paying more and more attention to the images they see, especially in the display of mobile communications such as mobile phones. High resolution, high resolution, fast running and processing applications have become the main focus of people's choice of mobile phones. Due to its advanced processing system and LCD display, smart phones have occupied most of the domestic market, and have gradually replaced old-fashioned mobile phones, becoming the mainstream of today's society. Fu...
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IPC IPC(8): G06T9/00G09G3/36
Inventor 焦继业
Owner NEW VISION MICROELECTRONICS INC