CN103634536A - Preparation method and control method of digital-to-analog output system of 300000-pixel digital image sensor - Google Patents
Preparation method and control method of digital-to-analog output system of 300000-pixel digital image sensor Download PDFInfo
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- CN103634536A CN103634536A CN201310563937.5A CN201310563937A CN103634536A CN 103634536 A CN103634536 A CN 103634536A CN 201310563937 A CN201310563937 A CN 201310563937A CN 103634536 A CN103634536 A CN 103634536A
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Abstract
The invention relates to a preparation method and a control method of an image output system of an industrial endoscope, in particular to a preparation method of a digital-to-analog output system of a 300000-pixel digital image sensor. The technical scheme for the preparation method is that the preparation method of the digital-to-analog output system of the 300000-pixel digital image sensor comprises the steps of 1) sequentially setting a chip and a digital video encoder of the 300000-pixel digital image sensor to enable the chip and the digital video encoder of the 300000-pixel digital image sensor to work according to a standard working time sequence; 2) setting a power supply module to respectively supply power to the chip and the digital video encoder of the 300000-pixel digital image sensor; 3) setting a microcontroller to be responsible for completing the initialization of the chip and the digital video encoder of the 300000-pixel digital image sensor and respectively controlling the chip and the digital video encoder of the 300000-pixel digital image sensor. The invention additionally discloses a control method of the digital-to-analog output system of the 300000-pixel digital image sensor.
Description
Technical field
The present invention relates to a kind of preparation and control method of image output system of industrial endoscope, relate in particular to preparation and control method that a kind of 300,000 pixel digital image sensor revolving dies are intended output system.
Background technology
The small spaces such as pipeline need the industrial endoscope of reduced size.Institute's image taking sensor revolving die is intended output system also will accomplish that volume is as far as possible little on basis clearly.
Existing 300,000 pixel digital image sensor revolving dies are intended in export techniques, and Digital Image Processing chip exists functional module redundancy, chip area excessive, has caused and cannot design small-sized module.
On market, digital image sensor converts simulation output to, what major part adopted is Digital Image Processing chip, this chip is system level chip, has comprised micro controller module, Digital Image Processor module, digital video code etc. in digital input processor module, sheet.Greatly enhance * wide=6mm * the 6mm that caused chip area to cross, cannot design small footprint modular, and the multifunction module simultaneously increasing in sheet causes high cost.
On market, also exist a kind of length * wide=2.1mm * 2.3 directly integrated analog output module function digit imageing sensor, but there is the undersized problem of digital pixel in this scheme, is about 70,000 pixels.
Summary of the invention
For solving imageing sensor revolving die, intend output system and on basis clearly, also will accomplish the volume little problem of trying one's best, the invention provides preparation and control method that a kind of 300,000 pixel digital image sensor revolving dies are intended output systems.
The technical scheme of its preparation method is:
300000 pixel digital image sensor revolving dies are intended the preparation method of output system,
1) set gradually 300,000 pixel numeral image sensor chip and digital video codes, from 300,000 pixels numerals image sensor chips to digital video code with standard operation sequential working, 300000 pixel numeral image sensor chips adopt 300,000 digital pixel matrixes, be responsible for opto-electronic conversion, convert shooting environmental to digital electric signal, by digital video code, 300,000 pixel numeral image sensor chips are passed to the signal of telecommunication of coming and convert analog signal output to, output analog video;
2) power module being set is that 300,000 pixel numeral image sensor chips and digital video code are powered respectively;
3) microcontroller is set and has been responsible for 300,000 pixel numeral image sensor chip and the work of digital video code chip initiation, and control respectively 300,000 pixel numeral image sensor chip and digital video codes.
In the present invention, described chip area is set to length * wide=2.5mm * 2.76mm or length * wide <2.5mm * 2.76mm.
The invention also discloses 300,000 pixel digital image sensor revolving dies and intend the control method of output system.
The technical scheme of its control method is:
1) microcontroller initialization, comprising,
A) IO initialization,
B) SCCB initialization,
C) chip reset;
2) digital image sensor initialization, comprising,
A) image effect setting,
B) work schedule setting;
3) digital video code initialization, comprising,
A) work schedule setting,
B) internal digital revolving die is intended conversion parameter setting;
4) analog video output.
Method of the present invention directly adopts and extracts in the conventional digital picture processing chip in market digital video code module as application design architecture, guaranteeing under the prerequisite of simulation output quality, all the other modules in Digital Image Processing chip have been given up, thereby can realize lower cost, miniaturization modular design and the application of high pixel, selecting chip area is length * wide=2.5mm * 2.76mm or length * wide <2.5mm * 2.76mm.
Its operation principle is:
The work schedule that is met rear end digital video code chip by the output of microprocessor controls digital image sensor, control figure video encoder completes initialization simultaneously, receives the signal of telecommunication of digital image sensor according to same work schedule.Then digital video code internal digital revolving die plan coding module is responsible for converting digital electric signal to analog signal output.
Because existing 300,000 pixel digital image sensor revolving dies are intended in export techniques, Digital Image Processing chip has existed functional module redundancy, chip area excessive, has caused and cannot design small-sized module.The present invention is the shortcoming that overcomes above-mentioned existence, guaranteeing, under the prerequisite of simulation output quality, to have given up all the other modules in Digital Image Processing chip, selects suitable chip digital video code, according to certain software timing work, reaches the function of simulation output.Thereby realize high pixel, small size design.
Therefore, the invention has the beneficial effects as follows: under the prerequisite of high pixel that guarantees to try one's best, dwindle the volume that 300,000 pixel digital image sensor revolving dies are intended output systems as far as possible, thereby correspondingly for industrial endoscope volume-diminished provides technology prerequisite.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Fig. 1 is the composition module frame chart that 300,000 pixel digital image sensor revolving dies are intended output system;
Fig. 2 is the control flow module frame chart that 300,000 pixel digital image sensor revolving dies are intended output system.
Embodiment
As shown in Figure 1, this figure is the composition module frame chart that 300,000 pixel digital image sensor revolving dies are intended output system.
300000 pixel digital image sensor revolving dies are intended output system and are comprised of digital image sensor chip, digital video code, microcontroller, power module etc.
Digital image sensor chip, adopts 300,000 digital pixel matrixes, is responsible for opto-electronic conversion, converts shooting environmental to digital electric signal.
Digital video code chip is responsible for that digital image sensor chip is passed to the signal of telecommunication of coming and is converted analog signal output to.
Microcontroller chip has been responsible for digital image sensor chip and the work of digital video code chip initiation.
Power module is responsible for modules power supply.
Because the present invention is guaranteeing under the prerequisite of simulation output quality, all the other modules in Digital Image Processing chip have been given up, thereby can realize lower cost, miniaturization modular design and the application of high pixel, selecting chip area is length * wide=2.5mm * 2.76mm or length * wide <2.5mm * 2.76mm.Therefore, the technical method that this system provides of take is support, and the volume of the industrial endoscope of producing can be tried one's best under high prerequisite in picture quality, and volume is as far as possible little.
As shown in Figure 2, this figure is the control flow module frame chart that 300,000 pixel digital image sensor revolving dies are intended output system.
The present invention presses
1) microcontroller initialization, comprising,
A) IO initialization,
B) SCCB initialization,
C) chip reset;
2) digital image sensor initialization, comprising,
A) image effect setting,
B) work schedule setting;
3) digital video code initialization, comprising,
A) work schedule setting,
B) internal digital revolving die is intended conversion parameter setting;
4) analog video output.
Carry out the control of system.
Claims (3)
1. 300,000 pixel digital image sensor revolving dies are intended a preparation method for output system, it is characterized in that,
1) set gradually 300,000 pixel numeral image sensor chip and digital video codes, from 300,000 pixels numerals image sensor chips to digital video code with standard operation sequential working, 300000 pixel numeral image sensor chips adopt 300,000 digital pixel matrixes, be responsible for opto-electronic conversion, convert shooting environmental to digital electric signal, by digital video code, 300,000 pixel numeral image sensor chips are passed to the signal of telecommunication of coming and convert analog signal output to, output analog video;
2) power module being set is that 300,000 pixel numeral image sensor chips and digital video code are powered respectively;
3) microcontroller is set and has been responsible for 300,000 pixel numeral image sensor chip and the work of digital video code chip initiation, and control respectively 300,000 pixel numeral image sensor chip and digital video codes.
2. 300,000 pixel digital image sensor revolving dies as claimed in claim 1 are intended output system, it is characterized in that described chip area is set to length * wide=2.5mm * 2.76mm or length * wide <2.5mm * 2.76mm.
3. 300,000 pixel digital image sensor revolving dies as claimed in claim 1 or 2 are intended the control method of output system, it is characterized in that,
1) microcontroller initialization, comprising:
A) IO initialization,
B) SCCB initialization,
C) chip reset;
2) digital image sensor initialization, comprising:
A) image effect setting,
B) work schedule setting;
3) digital video code initialization, comprising:
A) work schedule setting,
B) internal digital revolving die is intended conversion parameter setting;
4) analog video output.
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| CN201310563937.5A CN103634536A (en) | 2013-11-14 | 2013-11-14 | Preparation method and control method of digital-to-analog output system of 300000-pixel digital image sensor |
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| CN101040774A (en) * | 2006-03-23 | 2007-09-26 | 奥林巴斯医疗株式会社 | Image processing device |
| US20110292194A1 (en) * | 2010-05-31 | 2011-12-01 | Olympus Corporation | Endoscope system |
| CN202761249U (en) * | 2012-04-28 | 2013-03-06 | 无锡市第二人民医院 | Multipurpose portable wireless medical endoscope |
| CN103070660A (en) * | 2013-01-18 | 2013-05-01 | 浙江大学 | Three-dimensional electronic endoscope image pick-up device |
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| US20010052930A1 (en) * | 1997-10-06 | 2001-12-20 | Adair Edwin L. | Reduced area imaging device incorporated within wireless endoscopic devices |
| CN2741507Y (en) * | 2004-08-19 | 2005-11-23 | 傅强 | Radio electronic endoscope photographic device |
| CN101040774A (en) * | 2006-03-23 | 2007-09-26 | 奥林巴斯医疗株式会社 | Image processing device |
| US20110292194A1 (en) * | 2010-05-31 | 2011-12-01 | Olympus Corporation | Endoscope system |
| CN202761249U (en) * | 2012-04-28 | 2013-03-06 | 无锡市第二人民医院 | Multipurpose portable wireless medical endoscope |
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