CN104202453A - Mobile phone and method for detecting distance or area - Google Patents
Mobile phone and method for detecting distance or area Download PDFInfo
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- CN104202453A CN104202453A CN201410380864.0A CN201410380864A CN104202453A CN 104202453 A CN104202453 A CN 104202453A CN 201410380864 A CN201410380864 A CN 201410380864A CN 104202453 A CN104202453 A CN 104202453A
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Abstract
The invention relates to a mobile phone and method for detecting distance or area. The mobile phone at least comprises a mobile phone, a camera unit and an image processing unit in the mobile phone, the mobile phone is characterized by comprising a cursor output unit, an output beam of the cursor output unit produces a cursor projection with standard size on a ranging surface with a grating, the camera unit is used for sending a shot ranging surface image and a cursor image to the image processing unit by taking the image of the ranging surface and the image of the cursor, the image processing unit is used for computing the distance from a photographic imaging surface to the ranging surface according to imaging information of the ranging surface image and the cursor image. The distance detection can be finished through the mobile phone in the absence of a special ranging or area-measuring tool, and the detection of other functions (shape and area) can be realized through the distance detection.
Description
Technical field
The present invention relates to a kind of mobile phone, particularly a kind of mobile phone and method with the distance of detecting or area.
Background technology
At present, mobile phone has become indispensable instrument in people's life, and mobile phone has surmounted communication function the earliest, becomes a kind of portable type instrument that integrates communication, amusement, work.
Summary of the invention
The object of this invention is to provide a kind of mobile phone and method with the distance of detecting or area, detect to complete distance by mobile phone in the situation that there is no specialty range finding or surveying area, and detect the detection that realizes other function (shape and area) by distance.
The object of the present invention is achieved like this, a kind of mobile phone with the distance of detecting or area, at least comprise image unit and graphics processing unit in mobile phone, mobile phone, it is characterized in that: also comprise a cursor output unit, the output beam of cursor output unit produces a standard-sized cursor projection on range finding face, image unit is by the picked-up image of range finding face and the image of cursor, the cursor glyph of picked-up range finding face is delivered to graphics processing unit, process and calculate the distance of photosensitive imaging face to range finding face by graphics processing unit.
The output beam of cursor output unit is to produce a standard-sized cursor projection on range finding face by grating.
The output beam of cursor output unit is to produce a standard-sized cursor projection on range finding face by beam splitter.
Described standard size is constant two luminous points or two lines after photosensitive imaging face is determined to the distance of range finding face.
Described cursor output unit comprises LD LASER Light Source, lens, grating, after LD LASER Light Source output beam scioptics, produces projection cursor through grating in space.
Described cursor output unit comprises LD LASER Light Source, lens, grating, and LD LASER Light Source output beam, by after grating, produces projection cursor in space through lens.
Cursor output unit comprises LD LASER Light Source 12, grating 14, and LD LASER Light Source 14 output beams 15 produce projection cursor 7 in space through grating 14.
Described projection cursor is luminous point or the lines of array; Two or more luminous points in specified arrays, the imaging interval of luminous point can change with change of distance; Distance interval is little, and near distance interval is large; Imaging formula is followed in this variation: 1/f=1/v+1/u; In formula, f is the focal length of imaging lens in image unit, and v is that in image unit, imaging lens is to the distance of photosensitive imaging face, and the imaging lens that u is image unit is to the distance of range finding face; After cursor output unit is determined, projection cursor is reflected on photosensitive imaging face with change of distance, at this moment shows as 2 A of imaging
/and B
/the variation of pixel, stores Changing Pattern in memory by record, when measuring distance or area, as long as detect two luminous point A and the B pixel at the imaging interval of mobile phone photosurface, just can directly obtain the distance of mobile phone and range finding face.
A kind of mobile phone method with the distance of detecting or area, at least comprise image unit and graphics processing unit in mobile phone, mobile phone, it is characterized in that: object distance position from mobile phone close to, on photosensitive imaging face, become a larger picture, because cursor size is definite value after distance is determined, can directly obtain the distance S of object distance position to photosensitive imaging face by calculating or tabling look-up;
Object distance position from mobile phone away from, become on photosensitive imaging face, to become a less picture, because cursor size is definite value after distance is determined, can directly obtain the distance S of object distance position from photosensitive imaging face by calculating or tabling look-up equally.
Advantage of the present invention is: because cursor output unit produces an information of conveniently knowing cursor imaging size, calculate or find corresponding image-forming range by cursor imaging size information, the object distance of cursor imaging size information and image unit or range finding face are on isoplanar, therefore, when range finding identity distance that image unit obtains from after be easy to obtain by image calculation or processing shape or the area of the face of finding range.
Brief description of the drawings
Below in conjunction with embodiment, the invention will be further described:
Fig. 1 is the embodiment of the present invention 1 structural representation;
Fig. 2 is that cursor output unit light is apart from structural representation;
Fig. 3 is imaging schematic diagram closely;
Fig. 4 is remote imaging schematic diagram;
Fig. 5 is that imaging space in imaging form is with change of distance schematic diagram;
Fig. 6 is the index path that cursor output unit adopts beam splitter;
Fig. 7 is the 4th kind of cursor output unit index path.
In figure, 1, range finding face; 2, image unit; 3, cursor output unit; 4, graphics processing unit; 5, mobile phone; 6, photosensitive imaging face; 7, cursor; 8, the curve of areas; 9, imaging len; 10, image distance position; 11, object distance position; 12, LD LASER Light Source; 13, lens; 14, grating; 15, output beam; 16, beam splitter.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of mobile phone with the distance of detecting or area, at least comprise image unit 2 and graphics processing unit 4 in mobile phone 5, mobile phone 5, also comprise a cursor output unit 3, the output beam of cursor output unit 3 produces standard-sized cursor 7 projections on range finding face 1 by grating 14, image unit 2 is by the picked-up image of range finding face 1 and the image of cursor 7, the range finding face image of picked-up and cursor glyph are delivered to graphics processing unit 4, calculate the distance of photosensitive imaging face 6 to range finding face 1 by graphics processing unit 4.
Cursor output unit 3 as shown in Figure 2, comprises LD LASER Light Source 12, lens 13, grating 14, after LD LASER Light Source 14 output beam 15 scioptics 13, produces projection cursor 7 through grating 14 in space.
As shown in Figure 3, projection cursor 7 is luminous point or lines of array; Two (or multiple) luminous point A in specified arrays and B, the imaging interval of luminous point A and B can change with change of distance; Distance interval is little, and near distance interval is large; Imaging formula is followed in this variation: 1/f=1/v+1/u.As shown in Figure 4, in formula, f is the focal length of imaging lens 9 in image unit 2, v be in image unit 2 imaging lens 9 to photosensitive imaging face 6(CMOS imaging surface) distance (namely image distance position 10 is to the distance of imaging lens 9), u is that the imaging lens 9 of image unit 2 is to the distance of range finding face 1 (namely object distance position 11 is to the distance of imaging lens 9).11, object distance position;
After cursor output unit 3 is determined, projection cursor 7 is reflected on photosensitive imaging face with change of distance, at this moment shows as 2 A of imaging
/and B
/the variation of pixel, stores Changing Pattern in memory by record, when measuring distance or area, as long as detect two luminous point A and the B pixel at the imaging interval of mobile phone photosurface, just can directly obtain the distance of mobile phone and range finding face 1.Namely at this moment between two of mobile phone photosurface little vegetarian refreshments, be quantized into the minimum resolution of distance, as long as go out the curve of areas 8 by automatic algorithms compute, or manually automatically drawing a curve of areas 8 in conjunction with structure, the processor of mobile phone just can provide the area of the curve of areas 8 that structure draws at once.
In a word, object distance position 11 from mobile phone 5 close to, on photosensitive imaging face 6, become a larger picture, because cursor size be definite value after distance is determined, by calculating or table look-up (being stored in memory through experiment) can directly obtain object distance position 11 and arrive the distance S of photosensitive imaging face 6.
Object distance position 11 from mobile phone 5 away from, become to become a less picture on photosensitive imaging face 6, equally because cursor size be definite value after distance is determined, by calculating or table look-up (being stored in memory through experiment interior) can directly obtain the distance S of object distance position 11 from photosensitive imaging face 6.
Cursor output unit 3 also can adopt the light path of Fig. 5, comprises equally LD LASER Light Source 12, lens 13, grating 14, and LD LASER Light Source 14 output beams 15, by after grating 14, produce projection cursor 7 in space through lens 13.
Embodiment 2
As shown in Figure 1, a kind of mobile phone with the distance of detecting or area, at least comprise image unit 2 and graphics processing unit 4 in mobile phone 5, mobile phone 5, also comprise a cursor output unit 3, the output beam of cursor output unit 3 produces standard-sized cursor 7 projections on range finding face 1 by beam splitter, image unit 2 is by the picked-up image of range finding face 1 and the image of cursor 7, the range finding face image of picked-up and cursor glyph are delivered to graphics processing unit 4, calculate the distance of photosensitive imaging face 6 to range finding face 1 by graphics processing unit 4.
As shown in Figure 6, cursor output unit 3 is beam splitters 16, and it separates light beam by optical axis, forms by the two-beam of certain angle output, and described standard size is, after photosensitive imaging face is determined to the distance of range finding face, to form two constant luminous points at imaging surface.If LD LASER Light Source 12 is by after beam splitter 16, form a low-angle two-beam output, when apart from a1, two-beam is played the imaging that forms two luminous points on range finding face at imaging surface, and the imaging transverse of two luminous points is determined value apart from meeting.Equally, when apart from a2, an, two-beam is played the imaging that forms two luminous points on range finding face at imaging surface, and the imaging transverse of two luminous points is determined value apart from meeting.As long as detect the imaging transverse distance of two luminous points, just can know the distance of mobile phone and imaging surface and range finding face like this.
Obviously, the structure of embodiment 1 will facilitate me many, and its adopts grating to carry out light splitting, and according to can the shape face different array patterns of optical grating construction, these patterns are in the time that distance is definite, and the imaging transverse of luminous point is determined value apart from meeting.
Embodiment 3
In order to simplify light path, cursor output unit 3, as Fig. 7 shows, comprises LD LASER Light Source 12, grating 14, and LD LASER Light Source 14 output beams 15 produce projection cursor 7 in space through grating 14.
Claims (9)
1. one kind has the mobile phone of the distance of detecting or area, at least comprise image unit and graphics processing unit in mobile phone, mobile phone, it is characterized in that: also comprise a cursor output unit, the output beam of cursor output unit produces a standard-sized cursor projection on range finding face, image unit is by the picked-up image of range finding face and the image of cursor, the cursor glyph of picked-up range finding face is delivered to graphics processing unit, process and calculate the distance of photosensitive imaging face to range finding face by graphics processing unit.
2. a kind of mobile phone with the distance of detecting or area according to claim 1, is characterized in that: the output beam of cursor output unit is to produce a standard-sized cursor projection on range finding face by grating.
3. a kind of mobile phone with the distance of detecting or area according to claim 1, is characterized in that: the output beam of cursor output unit is to produce a standard-sized cursor projection on range finding face by beam splitter.
4. a kind of mobile phone with the distance of detecting or area according to claim 1, is characterized in that: described standard size is constant two luminous points or two lines after photosensitive imaging face is determined to the distance of range finding face.
5. a kind of mobile phone with the distance of detecting or area according to claim 1, it is characterized in that: described cursor output unit comprises LD LASER Light Source, lens, grating, after LD LASER Light Source output beam scioptics, produce projection cursor in space through grating.
6. a kind of mobile phone with the distance of detecting or area according to claim 1, it is characterized in that: described cursor output unit comprises LD LASER Light Source, lens, grating, LD LASER Light Source output beam, by after grating, produces projection cursor in space through lens.
7. a kind of mobile phone with the distance of detecting or area according to claim 1, is characterized in that: cursor output unit comprises LD LASER Light Source 12, grating 14, and LD LASER Light Source 14 output beams 15 produce projection cursor 7 in space through grating 14.
8. a kind of mobile phone with the distance of detecting or area according to claim 1, is characterized in that: described projection cursor is luminous point or the lines of array; Two or more luminous points in specified arrays, the imaging interval of luminous point can change with change of distance; Distance interval is little, and near distance interval is large; Imaging formula is followed in this variation: 1/f=1/v+1/u; In formula, f is the focal length of imaging lens in image unit, and v is that in image unit, imaging lens is to the distance of photosensitive imaging face, and the imaging lens that u is image unit is to the distance of range finding face; After cursor output unit is determined, projection cursor is reflected on photosensitive imaging face with change of distance, at this moment shows as 2 A of imaging
/and B
/the variation of pixel, stores Changing Pattern in memory by record, when measuring distance or area, as long as detect two luminous point A and the B pixel at the imaging interval of mobile phone photosurface, just can directly obtain the distance of mobile phone and range finding face.
9. one kind has the mobile phone method of the distance of detecting or area, at least comprise image unit and graphics processing unit in mobile phone, mobile phone, it is characterized in that: object distance position from mobile phone close to, on photosensitive imaging face, become a larger picture, because cursor size is definite value after distance is determined, can directly obtain the distance S of object distance position to photosensitive imaging face by calculating or tabling look-up;
Object distance position from mobile phone away from, become on photosensitive imaging face, to become a less picture, because cursor size is definite value after distance is determined, can directly obtain the distance S of object distance position from photosensitive imaging face by calculating or tabling look-up equally.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410380864.0A CN104202453A (en) | 2014-08-05 | 2014-08-05 | Mobile phone and method for detecting distance or area |
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| CN201410380864.0A CN104202453A (en) | 2014-08-05 | 2014-08-05 | Mobile phone and method for detecting distance or area |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199618A (en) * | 2016-06-28 | 2016-12-07 | 联想(北京)有限公司 | A kind of electronic equipment and localization method |
| CN106338248A (en) * | 2016-09-30 | 2017-01-18 | 宇龙计算机通信科技(深圳)有限公司 | Terminal-based distance detection method and apparatus |
| CN106839994A (en) * | 2017-01-17 | 2017-06-13 | 上海与德信息技术有限公司 | A kind of measuring system for image |
| CN107731299A (en) * | 2017-10-11 | 2018-02-23 | 上海展扬通信技术有限公司 | A kind of management method and managing device of user's sleep based on smart machine |
| CN110381181A (en) * | 2019-06-28 | 2019-10-25 | 信利光电股份有限公司 | Future range inducing method, electronic device, storage medium and mobile terminal |
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| US20120169867A1 (en) * | 2010-12-31 | 2012-07-05 | Hon Hai Precision Industry Co., Ltd. | Electronic device with meaurement function and meaurement method thereof |
| CN102607423A (en) * | 2011-03-03 | 2012-07-25 | 裵相模 | Method for measuring real size of object using camera of mobile terminal |
| CN103398658A (en) * | 2013-07-01 | 2013-11-20 | 李雄 | Mobile phone device for measuring space object |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120169867A1 (en) * | 2010-12-31 | 2012-07-05 | Hon Hai Precision Industry Co., Ltd. | Electronic device with meaurement function and meaurement method thereof |
| CN102607423A (en) * | 2011-03-03 | 2012-07-25 | 裵相模 | Method for measuring real size of object using camera of mobile terminal |
| CN103398658A (en) * | 2013-07-01 | 2013-11-20 | 李雄 | Mobile phone device for measuring space object |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199618A (en) * | 2016-06-28 | 2016-12-07 | 联想(北京)有限公司 | A kind of electronic equipment and localization method |
| CN106338248A (en) * | 2016-09-30 | 2017-01-18 | 宇龙计算机通信科技(深圳)有限公司 | Terminal-based distance detection method and apparatus |
| CN106338248B (en) * | 2016-09-30 | 2019-01-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and device of the detecting distance based on terminal |
| CN106839994A (en) * | 2017-01-17 | 2017-06-13 | 上海与德信息技术有限公司 | A kind of measuring system for image |
| CN107731299A (en) * | 2017-10-11 | 2018-02-23 | 上海展扬通信技术有限公司 | A kind of management method and managing device of user's sleep based on smart machine |
| CN110381181A (en) * | 2019-06-28 | 2019-10-25 | 信利光电股份有限公司 | Future range inducing method, electronic device, storage medium and mobile terminal |
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Application publication date: 20141210 |