CN102346094A - Detection device and detection method of iris lens - Google Patents
Detection device and detection method of iris lens Download PDFInfo
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- CN102346094A CN102346094A CN2010102402218A CN201010240221A CN102346094A CN 102346094 A CN102346094 A CN 102346094A CN 2010102402218 A CN2010102402218 A CN 2010102402218A CN 201010240221 A CN201010240221 A CN 201010240221A CN 102346094 A CN102346094 A CN 102346094A
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- aperture
- camera lens
- iris camera
- light source
- magnification
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- 238000001514 detection method Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention provides a detection device of an iris lens. The detection device is connected with a digital photography device, wherein the digital photography device comprises an iris lens, a photo sensor and a system single chip. The detection device of the iris lens comprises a microcontroller and a plurality of groups of light sources, wherein the microcontroller is used for receiving an order for turning on the light sources and an aperture magnifying power of the iris lens transmitted by the system single chip , controlling the light sources to be turned on according to the order for turning on the light sources, receiving an order for turning off the light sources and the aperture magnifying power of the iris lens transmitted by the system single chip when the aperture magnifying power of the iris lens is equal to 0, and controlling the light sources to be turned off according to the order for turning off the light sources. The invention further provides a detection method of the iris lens, so that the aperture adjustment of the iris lens can be exactly controlled.
Description
Technical field
The present invention relates to a kind of detection method, relate in particular to a kind of iris camera lens pick-up unit and detection method.
Background technology
The image that digital electronic product is taken can only provide the ability of mega pixel, and the design of for this reason having introduced the auto iris control of iris camera lens (iris lens) improves the camera monitoring quality.The control of auto iris is exactly the mean value of passing light through the sensing element of sensor back, the size of coming the controls lens aperture according to the mean value of this light.Yet in the process of controls lens aperture size, the degree of accuracy of the aperture of iris camera lens adjustment can not reach preset numerical value usually, makes that the pixel quality of the image that the iris camera lens is shot is not high.
Summary of the invention
In view of above content, be necessary to provide a kind of iris camera lens pick-up unit and digital photographic device, can accurately control the adjusting of iris lens aperture.
Also be necessary to provide a kind of iridoscope head inspecting method, can accurately control the adjusting of iris lens aperture.
A kind of iris camera lens checkout gear; Be connected in digital photographic device; This digital photographic device comprises iris camera lens, optical sensor and system single chip; This iris camera lens checkout gear comprises microcontroller and multiple sets of light sources; Wherein: said controller is used for the order of the unlatching light source that the receiving system single-chip sends and the aperture magnifying power of iris camera lens; Open light source according to this order control of opening light source; When the aperture magnifying power of this iris camera lens equals 0; The order of closing light source that the receiving system single-chip sends and the aperture magnifying power of iris camera lens, and control according to this order of closing light source and to close light source.
A kind of digital photographic device; Comprise iris camera lens, optical sensor, system single chip and iridoscope head control circuit; This digital photographic device is connected in iris camera lens pick-up unit; This iris camera lens pick-up unit comprises light source; Said optical sensor is used for the mean flow rate of the light source image of sensing iris lens shooting, and this mean flow rate is sent to system single chip; This system single chip is used to judge that the aperture magnification of iris camera lens is whether in the corresponding aperture magnification critical field of this mean flow rate; If this aperture magnification when the aperture magnification of this mean flow rate correspondence, is not used to control the aperture that said iridoscope head control circuit is regulated the iris camera lens; And this system single chip also is used to calculate the aperture magnification of regulating behind the iris lens aperture, and the order of sending aperture magnification and the unlatching behind this adjustings aperture or closing light source is to iris camera lens pick-up unit.
A kind of iridoscope head inspecting method; Be applied to iris camera lens pick-up unit; This iris camera lens pick-up unit is connected in digital photographic device; This digital photographic device comprises iris camera lens, optical sensor and system single chip; Said iris camera lens pick-up unit comprises microcontroller and multiple sets of light sources, and this method comprises the steps: the order of the unlatching light source that (a) microcontroller receiving system single-chip sends; (b) open according to this order control light source of opening light source; (c) mean flow rate of the light source opened of photosensor senses, and this mean flow rate sent to system single chip; (d) this system single chip dwindles the aperture of iris camera lens; And the aperture magnification behind the calculating stop down; When the aperture magnification behind the stop down is in the corresponding aperture magnification critical field of this mean flow rate; Stop to dwindle this aperture; This system single chip sends the order of opening next group light source and gives microcontroller; Repeated execution of steps (a) is to (d), is adjusted to hour up to the aperture of iris camera lens, gets into step (e); (e) system single chip sends the order of closing light source and gives microcontroller; (f) this microcontroller cuts out light source according to this order control of cutting out light source; (g) mean flow rate of the light source opened of photosensor senses, and this mean flow rate sent to system single chip; Reach (h) aperture of this system single chip amplification iris camera lens; And the aperture magnification behind the calculating amplification aperture; Aperture magnification after amplifying aperture is in the corresponding aperture magnification critical field of this mean flow rate; Stop to amplify the aperture of this iris camera lens; Repeated execution of steps (f) is to (h); When the aperture of iris camera lens is amplified to maximum, process ends.
Compared to prior art, said iris camera lens pick-up unit and detection method can accurately be controlled the switch of iris lens aperture, monitor the precision of iris camera lens in real time, guarantee the quality of product.
Description of drawings
Fig. 1 is the hardware structure figure of iris camera lens pick-up unit of the present invention preferred embodiment.
Fig. 2 a-2b is the operation process chart of iridoscope head inspecting method of the present invention preferred embodiment.
The main element symbol description
| Iris camera lens pick- |
1 |
| Digital |
2 |
| |
10 |
| |
11 |
| |
12 |
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100 |
| The |
20 |
| |
21 |
| System |
22 |
| The iridoscope |
23 |
Embodiment
As shown in Figure 1, be the hardware structure figure of iris camera lens pick-up unit of the present invention preferred embodiment.This hardware structure figure comprises iris camera lens pick-up unit 1 and digital photographic device 2.This iris camera lens pick-up unit 1 comprise microcontroller (Micro programmed Control Unit, MCU) 10, multiple sets of light sources 11 and display 12.In the present embodiment, be connected in MCU 10 after these multiple sets of light sources 11 parallel connections.This MCU 10 comprises clock unit 100, is used for to MCU 10 system time being provided.
Said digital photographic device 2 comprises: iris camera lens 20, optical sensor 21, system single chip (System on Chip, SoC) 22 and iridoscope head control circuit 23.Said MCU 10 communicates through 12C (Inter-Integrated Circuit) bus or console interface and SoC 22.Stored the aperture magnification critical field of the iris camera lens 20 of each light-source brightness correspondence among this SoC 22.
Said iris camera lens 20 is used for photographic light sources 11 and obtains image, and optical sensor 21 is mean flow rate of sensing from captured image, and this mean flow rate is sent to SoC 22.The zoom in or out aperture of iris camera lens 20 of this SoC22 control iridoscope head control circuit 23; And calculate to amplify or stop down after the aperture magnification, up to the aperture magnification of this iris camera lens 20 in the corresponding aperture magnification critical field of said mean flow rate.
Shown in Fig. 2 a-2b, be the operation process chart of iridoscope head inspecting method of the present invention preferred embodiment.In the present embodiment, the initial value of the aperture magnification of iris camera lens 20 is 100%, and promptly the aperture original state of iris camera lens 20 is for being amplified to maximum.
Step S30, the order of one group of light source 11 of unlatching that MCU 10 reception SoC 22 send and the aperture magnification of current iris camera lens 20, and the time of this order of recorder, this time is provided by clock unit 100.
Step S31, this MCU 10 show the aperture magnification of this reception and the time of record on display 12, and control one group of light source 11 according to said order and open.
Step S32, optical sensor 21 sensings open first mean flow rate behind this group light source 11, and send this first mean flow rate to SoC 22.
Step S33, the aperture that SoC 22 control iridoscope head control circuits 23 dwindle iris camera lens 20 calculates the aperture magnification behind these iris camera lens 20 stop downs.
Step S34, SoC 22 judge behind this stop down the aperture magnification whether in the corresponding aperture magnification critical field of this first mean flow rate.If the aperture magnification behind the stop down then gets into step S35 in the corresponding aperture magnification critical field of first mean flow rate.If the aperture magnification behind the stop down in the corresponding aperture magnification critical field of first mean flow rate, does not then go to step S33.
Step S35, SoC 22 judge whether the aperture magnification of current iris camera lens 20 equals 0, and whether the aperture of promptly current iris camera lens 20 narrows down to minimum.If the aperture of current iris camera lens 20 is not equal to 0, then go to step S30.If the aperture magnification of current iris camera lens 20 equals 0, then get into step S36.
Step S36, MCU 10 receive the order of closing one group of light source 11 and the magnification of aperture that SoC 22 send, and recorder this close the time that one group of light source 11 is ordered.
Step S37, MCU 10 show the aperture magnification of this reception and receive the time that this closes 11 orders of one group of light source, and be closed according to said order control corresponding light source 11 on display 12.
Step S38, optical sensor 21 sensings are closed second mean flow rate behind this group light source 11, and this second mean flow rate is sent to SoC 22.Particularly, owing in the iris camera lens sensing apparatus 1 multiple sets of light sources 11 is arranged, after closing one group of light source 11, the light source 11 that is unlocked in addition in other group light sources 11, therefore, second mean flow rate described herein is meant the mean flow rate of other light sources 11.
Step S39, the aperture that SoC 22 control iridoscope head control circuits 23 amplify iris camera lens 20, and calculate the aperture magnification after this iris camera lens 20 amplifies aperture.
Step S40, SoC 22 judge that the aperture magnification that amplifies behind the apertures is whether in the corresponding aperture magnification critical field of this second mean flow rate.If the aperture magnification behind the amplification aperture then gets into step S41 in the corresponding aperture magnification critical field of this second mean flow rate.If the aperture magnification behind the amplification aperture in the corresponding aperture magnification critical field of this second mean flow rate, does not then return step S39.
Step S41, SoC 22 judge whether this aperture magnification equals 100%.If this aperture magnification is not equal to 100%, then go to step S36.If this aperture magnification equals 100%, get into step S42.
Step S42, MCU 10 receive this maximum aperture magnification that SoC 22 send, the time of the aperture magnification that recorder should maximum, and should the time and the maximum ring magnification be presented on the display 12 process ends then.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is described in detail with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical scheme of the present invention.
Claims (8)
1. an iris camera lens pick-up unit is connected in digital photographic device, and this digital photographic device comprises iris camera lens, optical sensor and system single chip, it is characterized in that, this iris camera lens pick-up unit comprises microcontroller and multiple sets of light sources, wherein:
Said microcontroller is used for the order of the unlatching light source that the receiving system single-chip sends and the aperture magnification of iris camera lens; Open according to this order control light source of opening light source; When the aperture magnification of this iris camera lens equals 0; The order of closing light source that the receiving system single-chip sends and the aperture magnification of iris camera lens, and control according to this order of closing light source and to close light source.
2. iris camera lens pick-up unit as claimed in claim 1 is characterized in that said microcontroller comprises clock unit, and being used for provides the time that receives said order to microcontroller.
3. iris camera lens pick-up unit as claimed in claim 2; It is characterized in that; This iris camera lens pick-up unit also comprises display, is used to show the aperture magnification of the iris camera lens that said microcontroller receives, and the time of the said order of reception that provides of clock unit.
4. iris camera lens pick-up unit as claimed in claim 1 is characterized in that said optical sensor is used for the mean flow rate of the light source image of sensing iris lens shooting, and this mean flow rate is sent to system single chip;
This system single chip is used to judge that the aperture magnification of iris camera lens is whether in the corresponding aperture magnification critical field of this mean flow rate; If this aperture magnification when the aperture magnification of this mean flow rate correspondence, is not used to control the aperture that said iridoscope head control circuit is regulated the iris camera lens; And
This system single chip also is used to calculate the aperture magnification of regulating behind the iris lens aperture, and the order of sending aperture magnification and the unlatching behind this adjustings aperture or closing light source is to said microcontroller.
5. iris camera lens pick-up unit as claimed in claim 4; It is characterized in that; Said system single chip also is used for when the aperture magnification of iris camera lens equals 100%, send to open the order of light source and gives said microcontroller, equals 0 up to the aperture magnification of this iris camera lens; When the aperture magnification of iris camera lens equaled 0, this system single chip also was used to send the order of closing light source and gives this microcontroller, equaled 100% up to the aperture magnification of this iris camera lens.
6. iridoscope head inspecting method; Be applied to iris camera lens pick-up unit; This iris camera lens pick-up unit is connected in digital photographic device; This digital photographic device comprises iris camera lens, optical sensor and system single chip; It is characterized in that; This iris camera lens pick-up unit comprises microcontroller and multiple sets of light sources, and this method comprises the steps:
(a) order of the unlatching light source of microcontroller receiving system single-chip transmission;
(b) open according to this order control light source of opening light source;
(c) mean flow rate of the light source opened of photosensor senses, and this mean flow rate sent to system single chip;
(d) this system single chip dwindles the aperture of iris camera lens; And the aperture magnification behind the calculating stop down; When the aperture magnification behind the stop down is in the corresponding aperture magnification critical field of this mean flow rate; Stop to dwindle this aperture; This system single chip sends the order of opening next group light source and gives microcontroller; Repeated execution of steps (a) is to (d), is adjusted to hour up to the aperture of iris camera lens, gets into step (e);
(e) system single chip sends the order of closing light source and gives microcontroller;
(f) this microcontroller cuts out light source according to this order control of cutting out light source;
(g) mean flow rate of the light source opened of photosensor senses, and this mean flow rate sent to system single chip; And
(h) this system single chip amplifies the aperture of iris camera lens; And the aperture magnification behind the calculating amplification aperture; Aperture magnification after amplifying aperture is in the corresponding aperture magnification critical field of this mean flow rate; Stop to amplify the aperture of this iris camera lens; Repeated execution of steps (f) is to (h); When the aperture of iris camera lens is amplified to maximum, process ends.
7. iridoscope head inspecting method as claimed in claim 6 is characterized in that, step (a) comprising: the current aperture magnification of iris camera lens that said microcontroller receiving system single-chip sends.
8. iridoscope head inspecting method as claimed in claim 7 is characterized in that, step (a) also comprises afterwards:
The time of the said order of microcontroller recorder; And
The aperture magnification that the iris camera lens that demonstration receives is current and the time of record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010240221.8A CN102346094B (en) | 2010-07-29 | 2010-07-29 | Detection device and detection method of iris lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010240221.8A CN102346094B (en) | 2010-07-29 | 2010-07-29 | Detection device and detection method of iris lens |
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| Publication Number | Publication Date |
|---|---|
| CN102346094A true CN102346094A (en) | 2012-02-08 |
| CN102346094B CN102346094B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010240221.8A Active CN102346094B (en) | 2010-07-29 | 2010-07-29 | Detection device and detection method of iris lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI577329B (en) * | 2015-03-27 | 2017-04-11 | Aeto Tech Corp | Iris detection system |
Citations (4)
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|---|---|---|---|---|
| US3711701A (en) * | 1970-12-04 | 1973-01-16 | California Inst Of Techn | Uniform variable light source |
| CN1322962A (en) * | 2000-05-08 | 2001-11-21 | 华特克股份有限公司 | Exchange connecting apparatus for camera and automatic diaphragm lens and its testing circuit |
| CN101375202A (en) * | 2005-12-16 | 2009-02-25 | 奥斯兰姆奥普托半导体有限责任公司 | Illumination device |
| JP2009145226A (en) * | 2007-12-14 | 2009-07-02 | Fujifilm Corp | Light source device for image sensor inspection, and image sensor inspection device equipped therewith |
-
2010
- 2010-07-29 CN CN201010240221.8A patent/CN102346094B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711701A (en) * | 1970-12-04 | 1973-01-16 | California Inst Of Techn | Uniform variable light source |
| CN1322962A (en) * | 2000-05-08 | 2001-11-21 | 华特克股份有限公司 | Exchange connecting apparatus for camera and automatic diaphragm lens and its testing circuit |
| CN101375202A (en) * | 2005-12-16 | 2009-02-25 | 奥斯兰姆奥普托半导体有限责任公司 | Illumination device |
| JP2009145226A (en) * | 2007-12-14 | 2009-07-02 | Fujifilm Corp | Light source device for image sensor inspection, and image sensor inspection device equipped therewith |
Non-Patent Citations (1)
| Title |
|---|
| 魏英智等: "《光圈性能测试仪的研制》", 《分析测试技术与仪器》, vol. 12, no. 4, 31 December 2006 (2006-12-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI577329B (en) * | 2015-03-27 | 2017-04-11 | Aeto Tech Corp | Iris detection system |
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| CN102346094B (en) | 2014-12-10 |
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Inventor after: Zhou Ming Inventor before: Xie Mingzhi |
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Free format text: CORRECT: ADDRESS; FROM: 518109 SHENZHEN, GUANGDONG PROVINCE TO: 226634 NANTONG, JIANGSU PROVINCE Free format text: CORRECT: INVENTOR; FROM: XIE MINGZHI TO: ZHOU MING |
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Effective date of registration: 20141029 Address after: 226634, Jiangsu province Nantong city Haian county old dam Town Industrial Park Applicant after: Nantong Mingxin Microelectronics Co., Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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Address after: 226600, Jiangsu province Nantong city Haian county old dam Town Industrial Park Patentee after: Jiangsu Ming core microelectronic Limited by Share Ltd Address before: 226634, Jiangsu province Nantong city Haian county old dam Town Industrial Park Patentee before: Nantong Mingxin Microelectronics Co., Ltd. |