CN202713474U - Image capture device - Google Patents
Image capture device Download PDFInfo
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- CN202713474U CN202713474U CN 201220353768 CN201220353768U CN202713474U CN 202713474 U CN202713474 U CN 202713474U CN 201220353768 CN201220353768 CN 201220353768 CN 201220353768 U CN201220353768 U CN 201220353768U CN 202713474 U CN202713474 U CN 202713474U
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- image
- capture unit
- image capture
- image sensor
- sensor
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Abstract
The utility model discloses an image capture device, comprising an image sensor. The image sensor comprises a first image sensing component and a second image sensing component, wherein the first image sensing component and the second image sensing component are used for sensing the different exposure times of a light ray which is reflected by an object or transmits the object, so as to generate a first image and a second image with different brightness respectively. The image capture device can be used for obtaining images with different brightness in one image capture operation, so as to improve the efficiency of the image capture operation and solve the problem of alignment among the plurality of images.
Description
Technical field
The utility model is relevant a kind of image capture unit, particularly a kind of image capture unit that can obtain simultaneously the image of a plurality of different brightness.
Background technology
Popularizing fast of image capture unit is so that many objects can store in digitized mode.Yet, the object of wish acquisition, when the luminance difference in its highlights zone and dark section zone is larger, X-ray for example, known image capture unit can't be with the clear digitized video that presents the details in highlights zone and dark section zone of identical image capture gain of parameter.
For example, in order to present the details in dark section zone, the user may provide brighter illumination or long time for exposure to obtain brighter digitized video.At this moment, highlights in digitized video zone may overexposure and a slice brilliant white, thereby can't present the details in the highlights zone in the former object.Opposite, in order to present the details in highlights zone, the user may provide darker illumination or short time for exposure to obtain darker digitized video.At this moment, the dark section zone in the digitized video may under-exposure and a slice is dark, thereby can't present the details in the dark section zone in the former object.In order to overcome the problems referred to above, known image capture unit is with different image capture parameters, and object is carried out repeatedly a plurality of images that image capture operates to obtain to present respectively highlights zone and dark section zone details.So cause the problem of the operation shortage efficient of image digitization.In addition, repeatedly image capture operates the image that obtains and may produce the coarse problem of contraposition, and affects follow-up image processing.
In sum, the image that how to obtain simultaneously a plurality of different brightness is the target that the present utmost point need be made great efforts.
The utility model content
The utility model provides a kind of image capture unit, it comprises the first Image Sensor and the second Image Sensor, and set the different time for exposure, make the first Image Sensor and the second Image Sensor can in the operation of an image capture, produce respectively one first image and one second image of different brightness, by this lifting operation efficient and avoid the first image and the second image may produce the problem of skew.
The image capture unit of the utility model one embodiment comprises an image sensor.Image sensor comprises one first Image Sensor and one second Image Sensor, wherein the first Image Sensor and the second Image Sensor sensing are different through a time for exposure of a light of object reflection or the described object of transmission, with one first image and one second image that produces respectively different brightness.
Preferably, described image capture unit more comprises: a light source, it shines described object in order to produce described light.
Preferably, described light source comprises a light-emitting diode or cold cathode fluorescent lamp.
Preferably, described image capture unit more comprises: an optical lens, it is arranged at the light inlet side of described image sensor, in order to focus on described light through described object reflection or the described object of transmission in described image sensor.
Preferably, described optical lens comprises a rod lens or einzel lens.
Preferably, described image capture unit more comprises: an image processing module, itself and described image sensor are electrically connected, in order to described the first image and described the second image are carried out image processing.
Preferably, described image capture unit more comprises: a driver module, it is in order to drive described image sensor and described object moves relative to each other, so that described image sensor scans described object.
Preferably, described driver module comprises a stepper motor.
Preferably, described image sensor comprises a charge coupled cell, CMOS (Complementary Metal Oxide Semiconductor) sensor or contact-type image sensing device.
Below cooperate appended graphic in detail explanation by specific embodiment, when the effect that is easier to understand the purpose of this utility model, technology contents, characteristics and reaches.
Description of drawings
Fig. 1 is a schematic diagram, shows the image capture unit of the utility model one embodiment;
Fig. 2 is a schematic diagram, shows the image capture unit of another embodiment of the utility model;
Fig. 3 is a schematic diagram, shows the image capture unit of the another embodiment of the utility model.
Drawing reference numeral:
11 image sensor
111 first Image Sensors
112 second Image Sensors
113 the 3rd Image Sensors
12 light sources
13 image processing modules
14 optical lenses
15 driver modules
151 tracks
20 objects
L light
Embodiment
Please refer to Fig. 1, the image capture unit of an embodiment of the present utility model comprises an image sensor 11 and a light source 12, and wherein light source 12 is in order to produce light L irradiation object 20.For example, light source 12 can be a light-emitting diode or cold cathode fluorescent lamp (cold cathode fluorescent lamp, CCFL).Image sensor 11 comprises a plurality of Image Sensors, and it is in order to the light L of sensing transmission object 20, and produces respectively a plurality of images of different brightness.For example, image sensor 11 can be a chromatic image sensor, and it comprises the first Image Sensor 111, the second Image Sensor 112 and the 3rd Image Sensor 113 that can distinguish sensing ruddiness, green glow and blue light.Therefore, the first Image Sensor 111, the second Image Sensor 112 and the 3rd Image Sensor 113 are set the different time for exposure, and image sensor 11 can obtain the image of three different brightness in the operation of an image capture.In an embodiment, image sensor 11 can be a charge coupled cell (Charge Coupled Device, CCD), CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, CMOS) sensor or contact-type image sensing device (Contact Image Sensor, CIS).
Among the embodiment shown in Figure 1, image sensor 11 and light source 12 are arranged at respectively the opposite side of object 20, so that the light L of image sensor 11 sensing transmission objects 20 and form image.Be understandable that as shown in Figure 2, image sensor 11 and light source 12 are arranged at the same side of object 20, image sensor 11 gets final product sensing through the light L of object 20 reflections, and forms image.
In an embodiment, image capture unit of the present utility model more comprises an image processing module 13, and itself and image sensor 11 are electrically connected.Image processing module 13 can carry out various image processing to a plurality of images that obtain self imaging sensor 11.For example, image processing module 13 can be with knowing that the first image that presents dark section zone details synthesizes with clear the second image that presents highlights zone details, to obtain a simultaneously clear resultant image that presents highlights zone and dark section zone.
In an embodiment, image capture unit of the present utility model can comprise an optical lens 14, and it is arranged at the front end of image sensor 11.Optical lens 14 can focus on light L through object 20 reflection or transmission object 20 in image sensor 11.For example, optical lens 14 can be a rod lens (rod lens) or einzel lens (single lens).
Please refer to Fig. 3, image capture unit of the present utility model can comprise a driver module 15.In an embodiment, driver module 15 can be connected with image sensor 11, moves with respect to object 20 along track 151 to drive image sensor 11, so that object 20 is scanned.But be not limited to this, driver module 15 also can be connected with a platform of placing object 20, and drive platform object 20 is moved with respect to image sensor 12, perhaps directly drive object 20 and move with respect to image sensor 12, also can reach the purpose that 12 pairs of objects 20 of image sensor scan.In an embodiment, driver module 15 can be a stepper motor.
The person of should be noted, above-described embodiment is with scanning means image capture unit of the present utility model to be described, but is not limited to this, the image capture unit of this creation also can be applicable to the image capture units such as digital camera or digital camera.
Comprehensively above-mentioned, the image capture unit of this creation comprises a plurality of Image Sensors, and sets respectively the different time for exposure, so that a plurality of Image Sensor can produce respectively the image of a plurality of different brightness in the operation of an image capture.Therefore, image capture unit of the present utility model not only can promote the operating efficiency of image digitization, and a plurality of images that can avoid repeatedly image capture operation to obtain may produce the problem of skew, and affects the quality of follow-up resultant image.
Above-described embodiment is the technological thought that this creation is described and characteristics, its purpose makes the person skilled in the art can understand content of the present utility model and is implementing according to this, when can not with restriction claim of the present utility model, the equalization that the spirit that namely generally discloses according to this creation is done changes or modifies, and must be encompassed in the claim of the present utility model.
Claims (9)
1. an image capture unit is characterized in that, described image capture unit comprises:
One image sensor, it comprises one first Image Sensor and one second Image Sensor, wherein said the first Image Sensor and described the second Image Sensor sensing are different through a time for exposure of a light of object reflection or the described object of transmission, with one first image and one second image that produces respectively different brightness.
2. image capture unit as claimed in claim 1 is characterized in that, described image capture unit more comprises:
One light source, it shines described object in order to produce described light.
3. image capture unit as claimed in claim 2 is characterized in that, described light source comprises a light-emitting diode or cold cathode fluorescent lamp.
4. image capture unit as claimed in claim 1 is characterized in that, described image capture unit more comprises:
One optical lens, it is arranged at the light inlet side of described image sensor, in order to focus on described light through described object reflection or the described object of transmission in described image sensor.
5. image capture unit as claimed in claim 4 is characterized in that, described optical lens comprises a rod lens or einzel lens.
6. image capture unit as claimed in claim 1 is characterized in that, described image capture unit more comprises:
One image processing module, itself and described image sensor are electrically connected, in order to described the first image and described the second image are carried out image processing.
7. image capture unit as claimed in claim 1 is characterized in that, described image capture unit more comprises:
One driver module, it is in order to drive described image sensor and described object moves relative to each other, so that described image sensor scans described object.
8. image capture unit as claimed in claim 7 is characterized in that, described driver module comprises a stepper motor.
9. image capture unit as claimed in claim 1 is characterized in that, described image sensor comprises a charge coupled cell, CMOS (Complementary Metal Oxide Semiconductor) sensor or contact-type image sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353768 CN202713474U (en) | 2012-07-20 | 2012-07-20 | Image capture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353768 CN202713474U (en) | 2012-07-20 | 2012-07-20 | Image capture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202713474U true CN202713474U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220353768 Expired - Fee Related CN202713474U (en) | 2012-07-20 | 2012-07-20 | Image capture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202713474U (en) |
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2012
- 2012-07-20 CN CN 201220353768 patent/CN202713474U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |