CN101313840A - Photography system for inside of oral cavity - Google Patents
Photography system for inside of oral cavity Download PDFInfo
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- CN101313840A CN101313840A CNA200710106522XA CN200710106522A CN101313840A CN 101313840 A CN101313840 A CN 101313840A CN A200710106522X A CNA200710106522X A CN A200710106522XA CN 200710106522 A CN200710106522 A CN 200710106522A CN 101313840 A CN101313840 A CN 101313840A
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Abstract
The invention proposes an intraoral imaging system in the mouth with a simplified operational interface. The imaging system comprises an image sensing unit for capturing oral images, a central processing unit for controlling an image capturing program of the image sensing unit, a memory cell, an image processing unit, an image stability definition unit for calculating the proportion of image pixels already tending to be stable in all captured images, an image stability judging unit for comparing the proportion of the image pixels already tending to be stable in all current captured images with a threshold value, and an automatic image acquisition unit. When the proportion of the image pixels already tending to be stable in all current captured images is larger than the threshold value, the automatic image acquisition unit can be driven by the central processing unit to automatically acquire current images. The acquired images are stored in a storage medium or are transmitted to a host computer through a serial transmission interface after being processed by the image processing unit.
Description
Technical field
The present invention relates to a kind of camera chain that is used for the inner photography in oral cavity.
Background technology
Generally speaking, when dentist replaced the patient tooth, the photo that need obtain inside, patient oral cavity was assisted dentist diagnosis patient's tooth disease.Therefore, taking image inside oral cavity machine miscellaneous just develops out to assist dentist to diagnose.Yet present taking image inside oral cavity machine all needs to connect a main frame when scan-image, personal computer (PC) for example, and need obtain image in the static oral cavity via the operation of main frame.Thus, it is quite complicated that the operation of taking image inside oral cavity machine just can become, and need finish obtaining of image in the oral cavity via main frame.
Therefore just need to develop a kind of operate simple and easy and can be independent of main frame carry out the photography system for inside of oral cavity that image obtains in the oral cavity.
Summary of the invention
A purpose of the present invention is to address the above problem, and a kind of photography system for inside of oral cavity is provided, but it has the user interface of simplification and the image of independent operation obtains function.
Another object of the present invention is to provide a kind of photography system for inside of oral cavity, when having tended towards stability, the image frame that this system can be caught in its video sensing unit obtains image automatically with its automatic image acquiring unit, so as to promoting quality and the degree of stability that image obtains, and guarantee the image definition that obtained.
Taking image inside oral cavity machine according to a preferred embodiment of the present invention comprises: the video sensing unit, in order to catch image in the oral cavity; CPU is in order to the unitary image capturing program of control video sensing; Image degree of stability definition unit is in order to calculate the ratio that image pixel occupied that has tended towards stability in the image frame of being caught at present; Image degree of stability judging unit compares in order to ratio that image pixel occupied and the threshold value that has tended towards stability in the present image frame of catching that this image degree of stability definition unit is obtained; And automatic image acquiring unit,, driven by CPU present image frame is obtained automatically during in order to the ratio that image pixel occupied that in the present picture that is obtained when this image degree of stability definition unit, tended towards stability greater than this threshold value.
In addition, taking image inside oral cavity machine of the present invention also comprises image process unit, and it is connected to this CPU and the image that obtained in order to image that this video sensing unit is caught or automatic image acquiring unit carries out image processing; Memory element is in order to store the image data that this image process unit is exported; Serial communication interface, it is connected to this image process unit and is sent to main frame in order to the image data that this image process unit is exported; Video output interface, it is connected to this memory element and exports display device in order to the image data that this memory element is stored; The user interface is operated the functional interface of this photography system for inside of oral cavity in order to user to be provided; And control interface, it is connected between CPU and the user interface and is used for transmitting order and parameter between CPU and user interface.
In the above-mentioned photography system for inside of oral cavity, this video sensing unit can be the charge coupled device pick off.
In the above-mentioned photography system for inside of oral cavity, this memory element can be flash memory or storage card.
In the above-mentioned photography system for inside of oral cavity, this serial communication interface can be USB 2.0 serial transmission interfaces.
The advantage of the image definition that the present invention has is easy and simple to handle, image quality and degree of stability are high and obtained.
Advantage of the present invention and feature can be by the detailed descriptions of following embodiment conjunction with figs., and obtain more deep understanding.
Description of drawings
Fig. 1: the system block diagram of the photography system for inside of oral cavity of preferred embodiment of the present invention.
Fig. 2: the schematic appearance of preferred embodiment of the present invention.
Wherein, description of reference numerals is as follows:
100 photography system for inside of oral cavity
110 automatic image acquiring units
111 video sensing unit
112 CPU
113 control interfaces
114 image process units
115 memory element
116 serial communication interfaces
117 video output interfaces
118 user interfaces
119 image degree of stability definition units
120 image degree of stability judging units
131 image image feature buttons
132, the 135 images function button that turns upside down
133 image dividing function buttons
Roll up function button on 134 images
135 image last volume function buttons
136 image delete function buttons
137 control buttons
The specific embodiment
The exemplary embodiments that embodies feature of the present invention and advantage will be described in detail in the explanation of back.Be understood that the present invention can have various variations in a different manner, yet all do not depart from the scope of the present invention, and this description and the accompanying drawing usefulness that ought explain in itself, but not in order to restriction the present invention.
See also Fig. 1 and Fig. 2, wherein Fig. 1 shows the system block diagram of the photography system for inside of oral cavity of preferred embodiment of the present invention, and Fig. 2 is the schematic appearance of preferred embodiment of the present invention.Photography system for inside of oral cavity 100 of the present invention comprises video sensing unit 111, preferably is made up of charge coupled device pick off (CCDsensor), in order to intraoral target is carried out image capturing.Photography system for inside of oral cavity 100 of the present invention also comprises image degree of stability definition unit 119, and it can calculate the ratio that image pixel occupied that has tended towards stability in the scan-image sensing unit 111 present image frames of catching.In addition, image degree of stability judging unit 120 compares the present ratio that image pixel occupied and the threshold value that have tended towards stability in the image frame of catching that image degree of stability definition unit 119 is obtained, and is enough to start the requirement of obtaining function automatically so as to determining whether present picture has reached.This threshold value for example can be 85%, that is to say, if image degree of stability judging unit 120 is judged the ratio that image pixel occupied that tended towards stability in the present image frame greater than 85% of all pixels of picture at present, then CPU 112 can drive automatic image acquiring unit 110 present image frame is obtained automatically.
In addition, photography system for inside of oral cavity 100 of the present invention also comprises CPU 112, and it can be carried out and be used for adjusting video sensing unit 111 getting parms and coordinate the operation of other assembly in carrying out the image process.In addition, image process unit 114 is connected to this CPU 112, and the image that image that it can be caught video sensing unit 111 or automatic image acquiring unit 110 are obtained carries out image processing.The image data that image process unit 114 is exported can be sent on the main frame via serial communication interface 116, and wherein serial communication interface 116 preferably can be USB 2.0 serial transmission interfaces, and this main frame can be personal computer.In addition, the image data that image process unit 111 is exported also can be stored in the memory element 115, and wherein memory element 115 preferably realizes with flash memory or storage card.The image that memory element 115 is stored can export image to display device via video output interface 117, and TV for example is to play.
Photography system for inside of oral cavity 100 of the present invention also comprises user interface 118, and it provides the functional interface of user operation photography system for inside of oral cavity 100.User interface 118 is connected to CPU 112 via control interface 113, and wherein control interface 113 is used for transmitting order and parameter between CPU 112 and user interface 118.User interface 118 is made up of a plurality of function button, comprising that image image feature button (MIRROR) 131, image turn upside down rolls up function button (PAGEUP) 134, image last volume function button (PAGEDOWN) 135 on function button (UPSIDEDOWN) 132 and 135, image dividing function button (QURE) 133, the image, and image delete function button (DEL) 136.Image image feature button 131 can be come present image frame is reversed left to right, and function button 132 can turn upside down present image frame and image turns upside down.In addition, image dividing function button 133 can cut image frame and a plurality of little picture, and volume function button 134 and image last volume function button 135 can be with image frame scrolling up and down on the image, and image delete function button 136 can be with the image data deletion that is stored in the memory element 115.Certainly, during design, use and succinct outward appearance in order to reach convenient, the circuit that can make these a plurality of function buttons in conjunction with after, unify control by single control button 137 as shown in Figure 2, finish the action and the function of each function button by this single control button 137.
In sum, the invention provides a kind of photography system for inside of oral cavity, but it has the user interface of simplification and the image of independent operation obtains function.In addition, when the image frame that photography system for inside of oral cavity of the present invention can be caught in its video sensing unit has tended towards stability, automatically obtain image with its automatic image acquiring unit, promoting quality and the degree of stability that image obtains, and guarantee the image definition that obtained.Simultaneously, by the circuit of single control button, can provide user to operate photography system for inside of oral cavity provided by the present invention in easy mode in conjunction with multiple function button.
The present invention can carry out various changes by those skilled in the art, yet does not all break away from the protection domain of claims.
Claims (10)
1. photography system for inside of oral cavity comprises:
The video sensing unit is in order to catch image in the oral cavity;
CPU is in order to control the unitary image capturing program of this video sensing;
Image degree of stability definition unit is in order to calculate the ratio that image pixel occupied that has tended towards stability in the image frame of being caught at present;
Image degree of stability judging unit compares in order to ratio that image pixel occupied and the threshold value that has tended towards stability in the present image frame of catching that this image degree of stability definition unit is obtained; And
The automatic image acquiring unit,, driven by CPU present image frame is obtained automatically during in order to the ratio that image pixel occupied that in the present image frame of catching that is obtained when this image degree of stability definition unit, tended towards stability greater than this threshold value.
2. photography system for inside of oral cavity as claimed in claim 1, wherein this video sensing unit is the charge coupled device pick off.
3. photography system for inside of oral cavity as claimed in claim 1 also comprises image process unit, and it is connected to this CPU and the image frame that obtained in order to image that this video sensing unit is caught or this automatic image acquiring unit carries out image processing.
4. photography system for inside of oral cavity as claimed in claim 3 also comprises memory element, in order to store the image data that this image process unit is exported.
5. photography system for inside of oral cavity as claimed in claim 4, wherein this memory element is flash memory or storage card.
6. photography system for inside of oral cavity as claimed in claim 4 also comprises serial communication interface, and it is connected to this image process unit and is sent to main frame in order to the image data that this image process unit is exported.
7. photography system for inside of oral cavity as claimed in claim 6, wherein this serial communication interface is the USB2.0 serial transmission interface.
8. photography system for inside of oral cavity as claimed in claim 4 also comprises video output interface, and it is connected to this memory element and exports display device in order to the image data that this memory element is stored.
9. photography system for inside of oral cavity as claimed in claim 1 also comprises the user interface, operates the functional interface of this photography system for inside of oral cavity in order to user to be provided.
10. photography system for inside of oral cavity as claimed in claim 9 also comprises control interface, and it is connected between this CPU and this user interface and is used for transmitting order and parameter between CPU and user interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710106522A CN100581442C (en) | 2007-06-01 | 2007-06-01 | Photography system for inside of oral cavity |
| HK09101576.1A HK1123707A1 (en) | 2007-06-01 | 2009-02-19 | Intra-oral camera system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710106522A CN100581442C (en) | 2007-06-01 | 2007-06-01 | Photography system for inside of oral cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101313840A true CN101313840A (en) | 2008-12-03 |
| CN100581442C CN100581442C (en) | 2010-01-20 |
Family
ID=40105093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710106522A Expired - Fee Related CN100581442C (en) | 2007-06-01 | 2007-06-01 | Photography system for inside of oral cavity |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100581442C (en) |
| HK (1) | HK1123707A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012135977A1 (en) * | 2011-04-08 | 2012-10-11 | Carestream Health, Inc. | Intra oral camera having a liquid lens for image stabilization |
| US9204788B2 (en) | 2011-03-21 | 2015-12-08 | Carestream Health, Inc. | Autofocus method using liquid lens |
| CN108712605A (en) * | 2018-05-04 | 2018-10-26 | 努比亚技术有限公司 | A kind of image pickup method, terminal and computer readable storage medium |
-
2007
- 2007-06-01 CN CN200710106522A patent/CN100581442C/en not_active Expired - Fee Related
-
2009
- 2009-02-19 HK HK09101576.1A patent/HK1123707A1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9204788B2 (en) | 2011-03-21 | 2015-12-08 | Carestream Health, Inc. | Autofocus method using liquid lens |
| WO2012135977A1 (en) * | 2011-04-08 | 2012-10-11 | Carestream Health, Inc. | Intra oral camera having a liquid lens for image stabilization |
| CN108712605A (en) * | 2018-05-04 | 2018-10-26 | 努比亚技术有限公司 | A kind of image pickup method, terminal and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100581442C (en) | 2010-01-20 |
| HK1123707A1 (en) | 2009-06-26 |
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