CN204948180U - A kind of image processing system based on linear transform circuit - Google Patents
A kind of image processing system based on linear transform circuit Download PDFInfo
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- CN204948180U CN204948180U CN201520578875.XU CN201520578875U CN204948180U CN 204948180 U CN204948180 U CN 204948180U CN 201520578875 U CN201520578875 U CN 201520578875U CN 204948180 U CN204948180 U CN 204948180U
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Abstract
The utility model discloses a kind of image processing system based on linear transform circuit, it is characterized in that: by image acquisition units (1), the graphics processing unit (2) be connected with image acquisition units (1), the output unit (3) be connected with graphics processing unit (2), and the logic control element (4) be simultaneously connected with image acquisition units (1), graphics processing unit (2) and output unit (3) forms; The utility model is high to linearity during picture signal process, avoids signal in the process of process, occur desultory situation and cause image display unintelligible.Meanwhile, the utility model adopts TLC555 integrated chip as conversion chip, and its conversion efficiency is high, and energy consumption is low.
Description
Technical field
The utility model relates to a kind of image processing system, specifically refers to a kind of image processing system based on linear transform circuit.
Background technology
The develop rapidly of digital image processing techniques makes the problem of a lot of image procossing can solve by the form of Digital Signal Processing, and this is that the application of realtime graphic provides wide space.And image processing techniques is applied to the field such as remote sensing, health care, space exploration of scientific research, industrial and agricultural production, resource widely at present.
But easily there is desultory situation in current image processing system, cause image to show therefrom clear not in the process of image procossing.How avoiding this situation, is then that current people are badly in need of solving.
Utility model content
It is low to linearity during picture signal process that the purpose of this utility model is to overcome existing image processing system, and cause image to show unsharp defect, provides a kind of image processing system based on linear transform circuit.
The purpose of this utility model is achieved through the following technical solutions: a kind of image processing system based on linear transform circuit, by image acquisition units, the graphics processing unit be connected with image acquisition units, the output unit be connected with graphics processing unit, and the logic control element be simultaneously connected with image acquisition units, graphics processing unit and output unit forms.
Further, described graphics processing unit is by dsp chip, the power control unit be connected with dsp chip, memory cell, clock system unit, export cell fifo, linear converting unit and interface unit, and the input cell fifo be connected with linear converting unit forms.
Described linear converting unit is by conversion chip U, triode VT1, negative pole is connected with the collector electrode of triode VT1 after resistance R2 through resistance R1 in turn, the electric capacity C1 of plus earth, the resistance R4 be in parallel with electric capacity C1, the resistance R3 that one end is connected with the OUT pin of conversion chip U, the other end is then connected with the collector electrode of triode VT1, and the diode D1 that N pole is connected with the emitter of triode VT1, P pole is then connected with the R pin of conversion chip U forms; The TR pin of described conversion chip U is as the input of this linear converting unit, its GND pin ground connection, CO pin is connected with positive pole with the negative pole of electric capacity C1 respectively with TH pin, UCC pin is then connected with the base stage of triode VT1, and its D pin is then connected with the tie point of resistance R2 with resistance R1; The collector electrode of described triode VT1 is then as the output of linear converting unit.
Described conversion chip U is TLC555 integrated chip.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model structure is simple, and operating cost is low.
(2) the utility model is high to linearity during picture signal process, avoids signal in the process of process, occur desultory situation and cause image display unintelligible.
(3) the utility model adopts TLC555 integrated chip as conversion chip, and its conversion efficiency is high, and energy consumption is low.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is graphics processing unit structural representation of the present utility model.
Fig. 3 is linear converting unit electrical block diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, image processing system based on linear transform circuit of the present utility model, it is by image acquisition units 1, the graphics processing unit 2 be connected with image acquisition units 1, the output unit 3 be connected with graphics processing unit 2, and the logic control element 4 be simultaneously connected with image acquisition units 1, graphics processing unit 2 and output unit 3 forms.
Wherein, image acquisition units 1 is for gathering continuous print analog picture signal and converting data image signal to, and it can adopt camera to realize.Graphics processing unit 2 is for carrying out calculation process to the data image signal after conversion; Output unit 3 is for carrying out computing output to the signal after calculation process; Logic control element 4 is for controlling the course of work of image acquisition units 1, graphics processing unit 2 and output unit 3.
The structure of described graphics processing unit 2 then as shown in Figure 2, it is by dsp chip 21, the power control unit 22 be connected with dsp chip 21, memory cell 23, clock system unit 24, export cell fifo 28, linear converting unit 27 and interface unit 25, and the input cell fifo 26 be connected with linear converting unit 27 forms.
This dsp chip 21 is for carrying out calculation process to the data image signal after conversion, it preferentially selects TM320C6201 chip to realize, it can meet better to requiring that higher image carries out tracking union, and can improve function and the performance of whole image processing system.
Power control unit 22 provides operating voltage for giving the unit of graphics processing unit 2, memory cell 23 is for storing image data signal, clock system unit 24 is then for providing system clock to dsp chip, and interface unit 25 docks for andlogic control unit 4; Input cell fifo 26 and export cell fifo 28 and then dock with image acquisition units 1 and output unit 3 respectively, for carrying data.Linear converting unit 27 is for being converted to digital signal picture signal.
As shown in Figure 3, it is by conversion chip U, triode VT1, resistance R1, resistance R2, resistance R3, resistance R4 for the structure of this linear converting unit 27, and electric capacity C1 and diode D1 forms.
During connection, the negative pole of this electric capacity C1 is connected with the collector electrode of triode VT1 after resistance R2 through resistance R1 in turn, its plus earth, resistance R4 is then in parallel with electric capacity C1, one end of resistance R3 is connected with the OUT pin of conversion chip U, its other end is then connected with the collector electrode of triode VT1, and the N pole of diode D1 is connected with the emitter of triode VT1, its P pole is then connected with the R pin of conversion chip U.
Simultaneously, the TR pin of described conversion chip U is as the input of this linear converting unit 27, its GND pin ground connection, CO pin is connected with positive pole with the negative pole of electric capacity C1 respectively with TH pin, UCC pin is then connected with the base stage of triode VT1, and its D pin is then connected with the tie point of resistance R2 with resistance R1; The collector electrode of described triode VT1 is then as the output of linear converting unit 27.In order to reach better conversion efficiency, described conversion chip U preferentially adopts TLC555 integrated chip to realize.As mentioned above, just the utility model can well be realized.
Claims (3)
1. the image processing system based on linear transform circuit, it is characterized in that: by image acquisition units (1), the graphics processing unit (2) be connected with image acquisition units (1), the output unit (3) be connected with graphics processing unit (2), and the logic control element (4) be simultaneously connected with image acquisition units (1), graphics processing unit (2) and output unit (3) forms; Described graphics processing unit (2) is by dsp chip (21), the power control unit (22) be connected with dsp chip (21), memory cell (23), clock system unit (24), export cell fifo (28), linear converting unit (27) and interface unit (25), and the input cell fifo (26) be connected with linear converting unit (27) forms.
2. a kind of image processing system based on linear transform circuit according to claim 1, it is characterized in that: described linear converting unit (27) is by conversion chip U, triode VT1, negative pole is connected with the collector electrode of triode VT1 after resistance R2 through resistance R1 in turn, the electric capacity C1 of plus earth, the resistance R4 be in parallel with electric capacity C1, one end is connected with the OUT pin of conversion chip U, the resistance R3 that the other end is then connected with the collector electrode of triode VT1, and N pole is connected with the emitter of triode VT1, the diode D1 that P pole is then connected with the R pin of conversion chip U forms, the TR pin of described conversion chip U is as the input of this linear converting unit (27), its GND pin ground connection, CO pin is connected with positive pole with the negative pole of electric capacity C1 respectively with TH pin, UCC pin is then connected with the base stage of triode VT1, and its D pin is then connected with the tie point of resistance R2 with resistance R1, the collector electrode of described triode VT1 is then as the output of linear converting unit (27).
3. a kind of image processing system based on linear transform circuit according to claim 2, is characterized in that: described conversion chip U is TLC555 integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578875.XU CN204948180U (en) | 2015-08-04 | 2015-08-04 | A kind of image processing system based on linear transform circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578875.XU CN204948180U (en) | 2015-08-04 | 2015-08-04 | A kind of image processing system based on linear transform circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948180U true CN204948180U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578875.XU Expired - Fee Related CN204948180U (en) | 2015-08-04 | 2015-08-04 | A kind of image processing system based on linear transform circuit |
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| CN (1) | CN204948180U (en) |
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2015
- 2015-08-04 CN CN201520578875.XU patent/CN204948180U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |