CN103517047A - Device and method for achieving color signal collecting with monochrome sensor - Google Patents
Device and method for achieving color signal collecting with monochrome sensor Download PDFInfo
- Publication number
- CN103517047A CN103517047A CN201310474981.9A CN201310474981A CN103517047A CN 103517047 A CN103517047 A CN 103517047A CN 201310474981 A CN201310474981 A CN 201310474981A CN 103517047 A CN103517047 A CN 103517047A
- Authority
- CN
- China
- Prior art keywords
- signal
- light source
- analog
- monochromatic sensor
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a device for collecting color signals of a color selector, in particular to a device and method for achieving color signal collecting with a monochrome sensor. The device comprises a three-primary color light source, the monochrome sensor, an analog-digital converter, a signal processor and a controller. According to the three-primary color light source, one of a red light source, a green light source and a blue light source is lightened according to a certain switching sequence and frequency. The monochrome sensor is placed on a light path of the three-primary color light source, achieves optoelectronic signal converting and outputs analog signals. The analog-digital converter receives the analog signals output by the monochrome sensor and converts the analog signals to digital signals. The signal processor receives the digital signals converted by the analog-digital converter and achieves color signal restoring through algorithm correction synthesis. The controller controls the certain switching sequence and frequency of the three-primary color light source and controls exposure time and frequency of the monochrome sensor synchronously. According to the device and method for achieving color signal collecting with the monochrome sensor, color control over the light source is used, the monochrome sensor is used for collecting three-color signals, then algorithm correction synthesis is used, and restoring of color signals is completed.
Description
Technical field
The present invention relates to the device that a kind of color selector colour signal gathers, specifically a kind of monochromatic sensor that utilizes is realized the device and method that colour signal gathers.
Background technology
In prior art, color selector general using color sensor realizes that colour signal gathers, and still, existing colour signal acquisition technique adopts color sensor conventionally, and color sensor price comparison is expensive.The technology that part adopts monochromatic sensor to gather is mainly to utilize filter wheel to realize the collection of tricolor signal.This mode picking rate is slow, and dimensions of mechanical structures is larger, and very high to the required precision of rotating disk, cost is higher.
Summary of the invention
For the technical problem existing in prior art, one of object of the present invention is to provide a kind of monochromatic sensor that utilizes and realizes the device that colour signal gathers, this device utilizes to be controlled the color of light source, with monochromatic sensor, complete the collection to tristimulus signal, the correction of recycling algorithm is synthetic, completes the reduction to colour signal.Both reduce the cost of Sensor section, saved again the volume of equipment.
To achieve these goals, the technical solution adopted in the present invention is: a kind of monochromatic sensor that utilizes is realized the device that colour signal gathers, and includes:
Three primary colors light source, a kind of according in certain switching sequence and Frequency point azarin, green, blue-light source;
Monochromatic sensor, is placed in the light path of three primary colors light source, realizes the conversion of photosignal, and outputting analog signal;
Analog to digital converter, receives the analog signal that monochromatic sensor is exported, and converts digital signal to;
Signal processor, receives the digital signal that analog to digital converter is changed, synthetic by algorithm correction, realizes the reduction of colour signal;
Controller, switching sequence and the frequency of control three primary colors light source, the time for exposure of Synchronization Control monochromatic sensor and frequency.
Preferably, described three primary colors light source is three-color LED integrated packaging power source.
Preferably, described monochromatic sensor is CCD or cmos sensor.
Preferably, described signal processor and controller are integrated on same chip or adopt two independently chips.
Another object of the present invention is to provide a kind of monochromatic sensor that utilizes to realize the method that colour signal gathers, be specially: controller is controlled three primary colors light source, realizing trichromatic switching lights, the time for exposure of monochromatic sensor is controlled in the switching of cooperation three primary colors light source, monochromatic sensor is realized the conversion of photosignal, the digitlization that the analog signal of output realizes analog signal by analog to digital converter is changed, digital signal entering signal processor after conversion, again by the synthetic reduction that realizes colour signal of algorithm correction, then realize and utilize monochromatic sensor to complete the collection of colour signal.
The monochromatic sensor that utilizes of the present invention is realized the device and method that colour signal gathers, and compared with prior art, its beneficial effect shows:
1), utilize the color of light source controlled, with monochromatic sensor, complete the collection to tristimulus signal, the correction of recycling algorithm is synthetic, completes the reduction to colour signal.
2), both reduced the cost of Sensor section, the large volume of having avoided again adopting the mechanical control methods such as filter wheel to bring, the defect such as expensive.
Accompanying drawing explanation
Fig. 1 is structural representation block diagram of the present invention.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with accompanying drawing.As a kind of preferred embodiment of the present invention, refer to Fig. 1, a kind of monochromatic sensor that utilizes is realized the device that colour signal gathers, and includes three primary colors light source 4, monochromatic sensor 5, analog to digital converter 3, signal processor 2 and controller 1.
Three primary colors light source 4, a kind of according in certain switching sequence and Frequency point azarin, green, blue-light source.Monochromatic sensor 5, is placed in the light path of three primary colors light source 4, realizes the conversion of photosignal, and outputting analog signal.Analog to digital converter 3, receives the analog signal that monochromatic sensor 5 is exported, and converts digital signal to.Signal processor 2, receives the digital signal that analog to digital converter 3 is changed, synthetic by algorithm correction, realizes the reduction of colour signal.Controller 1, switching sequence and the frequency of control three primary colors light source 4, the time for exposure of Synchronization Control monochromatic sensor 5 and frequency.
As preferably, three primary colors light source 4 is three-color LED integrated packaging power source.Monochromatic sensor 5 is chosen as all can, by controlling the transducer of its time for exposure and frequency, preferably adopt CCD or cmos sensor.Signal processor 2 and controller 1 are integrated on same chip or adopt two independently chips.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various modifications to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (5)
1. utilize monochromatic sensor to realize the device that colour signal gathers, it is characterized in that this device includes:
Three primary colors light source (4), a kind of according in certain switching sequence and Frequency point azarin, green, blue-light source;
Monochromatic sensor (5), is placed in the light path of three primary colors light source (4), realizes the conversion of photosignal, and outputting analog signal;
Analog to digital converter (3), receives the analog signal that monochromatic sensor (5) is exported, and converts digital signal to;
Signal processor (2), receives the digital signal that analog to digital converter (3) is changed, synthetic by algorithm correction, realizes the reduction of colour signal;
Controller (1), switching sequence and the frequency of control three primary colors light sources (4), time for exposure and the frequency of Synchronization Control monochromatic sensor (5).
2. the monochromatic sensor that utilizes according to claim 1 is realized the device that colour signal gathers, and it is characterized in that: described three primary colors light source (4) is three-color LED integrated packaging power source.
3. the monochromatic sensor that utilizes according to claim 2 is realized the device that colour signal gathers, and it is characterized in that: described monochromatic sensor (5) is CCD or cmos sensor.
4. the monochromatic sensor that utilizes according to claim 3 is realized the device that colour signal gathers, and it is characterized in that: described signal processor (2) and controller (1) are integrated on same chip or adopt two independently chips.
5. one kind is utilized monochromatic sensor to realize the method that colour signal gathers, to realize by the device as claim 1 or 2 or 3 or 4, it is characterized in that, controller (1) is controlled three primary colors light sources (4), realizing trichromatic switching lights, the time for exposure of monochromatic sensor (5) is controlled in the switching of cooperation three primary colors light sources (4), monochromatic sensor (5) is realized the conversion of photosignal, the analog signal of output realizes the digitlization conversion of analog signal by analog to digital converter (3), digital signal entering signal processor (2) after conversion, again by the synthetic reduction that realizes colour signal of algorithm correction, then realize and utilize monochromatic sensor to complete the collection of colour signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474981.9A CN103517047A (en) | 2013-10-12 | 2013-10-12 | Device and method for achieving color signal collecting with monochrome sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474981.9A CN103517047A (en) | 2013-10-12 | 2013-10-12 | Device and method for achieving color signal collecting with monochrome sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103517047A true CN103517047A (en) | 2014-01-15 |
Family
ID=49898970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310474981.9A Pending CN103517047A (en) | 2013-10-12 | 2013-10-12 | Device and method for achieving color signal collecting with monochrome sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103517047A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994371A (en) * | 2015-06-25 | 2015-10-21 | 苏州佳世达光电有限公司 | Image acquiring apparatus and image adjusting method |
| CN106331662A (en) * | 2016-08-24 | 2017-01-11 | 上海集成电路研发中心有限公司 | Image acquisition device and image acquisition method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188365A (en) * | 1996-10-31 | 1998-07-22 | 村田机械株式会社 | Color image scanning device |
| CN101369407A (en) * | 2008-10-14 | 2009-02-18 | 复旦大学 | Control method for field-sequential colorful LED back light source technology |
| CN102665024A (en) * | 2007-05-18 | 2012-09-12 | 株式会社Pfu | Image sensor, image sensor unit, and image reader |
-
2013
- 2013-10-12 CN CN201310474981.9A patent/CN103517047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188365A (en) * | 1996-10-31 | 1998-07-22 | 村田机械株式会社 | Color image scanning device |
| CN102665024A (en) * | 2007-05-18 | 2012-09-12 | 株式会社Pfu | Image sensor, image sensor unit, and image reader |
| CN101369407A (en) * | 2008-10-14 | 2009-02-18 | 复旦大学 | Control method for field-sequential colorful LED back light source technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994371A (en) * | 2015-06-25 | 2015-10-21 | 苏州佳世达光电有限公司 | Image acquiring apparatus and image adjusting method |
| CN106331662A (en) * | 2016-08-24 | 2017-01-11 | 上海集成电路研发中心有限公司 | Image acquisition device and image acquisition method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104661008A (en) | Processing method and device for improving colorful image quality under condition of low-light level | |
| CN204031318U (en) | A kind of modularization TV | |
| CN105657901A (en) | Audio/video signal and lamplight control system | |
| CN105049118A (en) | Visible light communication method based on double-modulation technology and visible light communication system thereof | |
| CN103957056A (en) | Visible light communication system compatible with intelligent cell phone | |
| TWM439317U (en) | Street lamp control system and digital controller designed | |
| WO2006083823A3 (en) | Video decoder with different signal types processed by common analog-to-digital converter | |
| CN103517047A (en) | Device and method for achieving color signal collecting with monochrome sensor | |
| CN106130638A (en) | PAM Yu MPPM dual modulation method and system for visible light communication | |
| CN103259980A (en) | TDI CCD output signal preprocessor | |
| CN105338270A (en) | Modularization television | |
| CN203072086U (en) | FPGA-based multi-channel video capturing and displaying system | |
| CN202425120U (en) | LED color-changing lamp | |
| CN105246215A (en) | LED driving power supply with bluetooth remote control | |
| CN205039821U (en) | Apply to LED visible light communication system of audio signal transmission | |
| CN105099567B (en) | A kind of emitter of the visible light communication system based on white light LEDs | |
| CN102231787A (en) | Image color correction method and device | |
| CN206136118U (en) | Omnipotent converter | |
| CN203368511U (en) | Light switching matrix switcher based audio and video system for electric power operation monitoring center | |
| CN106604120A (en) | Extender device for transmitting super-definition audio and video signals over long distances | |
| CN102340914B (en) | LED integrated controller | |
| CN205160528U (en) | Based on dual modulation technique visible light communication system | |
| CN205427839U (en) | Computer USB interface data collection system | |
| CN201594890U (en) | Digital television module debugging upgrading device | |
| CN105120196B (en) | A kind of two-way multiplex system of HDMI and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140115 |