Logic protection emitter coupling reverse current source graphic processing system
A technology of emitter coupling and reverse current, which is applied in the field of image processing, can solve problems such as recognition speed, low precision, and unstable performance, and achieve the effects of improving processing efficiency and recognition efficiency, ensuring stability, and stable performance
Inactive Publication Date: 2015-03-25
CHENGDU CHUANGTU TECH
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of low recognition speed, low precision and unstable performance in the current image recognition system, and provide a logic protection emitter coupled reverse current source graphics processing system
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[0019] The present invention will be described in further detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0020] Such as figure 1 As shown, the present invention mainly consists of an image sensor, a driving circuit connected to the image sensor, a processing circuit connected to the driving circuit, an emitter-coupled asymmetric trigger circuit connected to the processing circuit, and connected in series between the driving circuit and the The precision reverse current source circuit between the processing circuits, the beam-excited logic amplifier circuit connected in series between the emitter-coupled asymmetric trigger circuit and the drive circuit, and the beam-excited logic amplifier circuit connected in series between the drive circuit Between the logical protection emitter coupled amplifier circuit.
[0021] Among them, the precision reverse current source circuit i...
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The invention discloses a logic protection emitter coupling reverse current source graphic processing system which is mainly composed of an image sensor, a drive circuit connected with the image sensor, a processing circuit connected with the drive circuit, an emitter coupling asymmetric trigger circuit connected with the processing circuit and a precise reverse current source circuit connected between the drive circuit and the processing circuit in series. The system is characterized in that a light beam excitation type logic amplifying circuit is connected between the emitter coupling asymmetric trigger circuit and the drive circuit in series and a logic protection emitter coupling amplifying circuit is further connected between the light beam excitation type logic amplifying circuit and the drive circuit in series. The logic protection emitter coupling reverse current source graphic processing system is quite simple in overall structure, and combined with the emitter coupling asymmetric trigger circuit, the system has the advantages that the processing speed is greatly increased compared with the traditional speed, an image with 1028 pixel *1028 pixel is processed only within 0.3 s, and the processing speed is more than 20 times of the traditional processing speed.
Description
technical field [0001] The invention belongs to the technical field of image processing, and specifically refers to a logic protection emitter coupled reverse current source graphics processing system. Background technique [0002] At present, image recognition products represented by scanners emerge in an endless stream, which greatly enrich people's lives. However, the current image recognition capabilities of these image recognition products have certain limitations, that is, their image recognition speed and accuracy are still not high, and in the recognition process, there will be situations where the image or paper does not fit tightly with the scanning sensor. This results in a distorted area that cannot truly reflect the actual effect. At the same time, since the drive circuits of these image recognition products are also susceptible to electromagnetic interference from the external environment, they cannot effectively remove current pulses, so their performance is ...
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Login to View More IPC IPC(8): H04N1/00H04N1/04H04N1/40
CPCH04N1/02805
Inventor 谢静周鹏程
Owner CHENGDU CHUANGTU TECH