CN105661757A - Calibration method based on foot scanner - Google Patents
Calibration method based on foot scanner Download PDFInfo
- Publication number
- CN105661757A CN105661757A CN201511025971.2A CN201511025971A CN105661757A CN 105661757 A CN105661757 A CN 105661757A CN 201511025971 A CN201511025971 A CN 201511025971A CN 105661757 A CN105661757 A CN 105661757A
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- China
- Prior art keywords
- photographic head
- scaling board
- camera module
- foot
- scaling
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D1/00—Foot or last measuring devices; Measuring devices for shoe parts
- A43D1/02—Foot-measuring devices
- A43D1/025—Foot-measuring devices comprising optical means, e.g. mirrors, photo-electric cells, for measuring or inspecting feet
Abstract
The invention relates to the field of stereo scanning, and discloses a calibration method based on a foot scanner. The foot scanner comprises a supporting plate used for supporting a foot body to be scanned, and a camera module; the camera module comprises two camera groups, and each camera group at least comprises one camera. The calibration method based on the foot scanner comprises that a calibration board making step is executed: a flat board is employed as the calibration board, and the calibration board is used for standing on the supporting plate; a camera module adjusting step is executed: the calibration board is arranged at one side of the moving direction of the camera module, and the shooting direction of one camera group is adjusted until the set of shooting areas of the cameras covers a first predetermined area of the calibration board; a camera module adjusting step is executed: the calibration board is arranged at the opposite side of the moving direction of the camera module, and the shooting direction of the other camera group is adjusted until the set of shooting areas of the cameras covers a second predetermined area of the calibration board. Through the above calibration method based on the foot scanner, the foot scanner can be calibrated simply and conveniently, and the fact that the foot scanner can scan the foot body completely is guaranteed.
Description
Technical field
The present invention relates to stereoscan field, particularly to a kind of scaling method based on foot scanning instrument.
Background technology
Along with the development of society, people increasingly focus on the quality of life of oneself, and the requirement of shoes is increased day by day. Go traditional customization shop customization shoes cost very big, go shopping or buy the shoes made on the net again through being commonly encountered the inappropriate situation of shoes, then occurring in that the foot scanning instrument being more suitable for ordinary consumer.
Under prior art, foot scanning instrument utilizes photographic head that foot's body is scanned, but owing to photographic head installation site is improper, or the photographic head quantity factors such as not, can cause that foot's ontology data that scanning obtains is imperfect, and, this error often wait until user after using a period of time just it can be seen that cause the loss that cannot retrieve.
Summary of the invention
It is an object of the invention to provide a kind of scaling method based on foot scanning instrument so that can simply and easily foot scanning instrument be demarcated, to ensure that what foot scanning instrument can be complete scans foot's body.
For solving above-mentioned technical problem, embodiments of the present invention provide a kind of scaling method based on foot scanning instrument. Wherein, foot scanning instrument comprises: for supporting the gripper shoe of foot's body to be scanned, and camera module; Camera module comprises two groups of photographic head, and often group photographic head is including at least a photographic head. Scaling method based on foot scanning instrument comprises the steps of making scaling board step, utilizes a flat board as scaling board; Wherein, scaling board is for standing on the supporting plate; Adjust camera module step, scaling board is located at the side of the direct of travel of camera module, adjusts the shooting direction of one group of photographic head, until the shooting area set of each photographic head covers the first presumptive area of scaling board; Scaling board is located at the opposite side of the direct of travel of camera module, adjusts the shooting direction of another group photographic head, until the shooting area set of each photographic head covers the second presumptive area of scaling board.
Embodiment of the present invention in terms of existing technologies, utilizes vertical flat board on the supporting plate as scaling board, as long as thereby may be ensured that camera module can scan scaling board and just can scan foot's body.It is to say, the shooting area of foot's body is contained in the shooting area to flat board by camera module. Then pass through the side of the direct of travel that scaling board is located at camera module, adjust the shooting direction of one group of photographic head, until the shooting area set of each photographic head covers the first presumptive area of scaling board, it is possible to complete the demarcation of this group photographic head to foot scanning instrument; Then the demarcation of another group photographic head to foot scanning instrument just can be completed according to above-mentioned steps, such that it is able to simply and easily foot scanning instrument is demarcated, so that foot scanning instrument can be complete scan foot's body, it is thus achieved that complete foot size data.
It addition, in the side of the direct of travel that scaling board is located at camera module, adjust in the step of one group of photographic head shooting direction, the photographic head group of adjustment is the photographic head group away from scaling board. Select better measure away from the photographic head group of scaling board the sized data of foot's body, also more meet the demand of practical application and user.
It addition, in the step adjusting camera module, the position of twice setting of scaling board is identical to the distance of camera module. The position of twice setting of scaling board is identical to the distance of camera module, it is ensured that foot's body is in the overlapping region of each camera module shooting area, in order to improve the degree of accuracy measuring foot's body dimension data.
It addition, scaling board is provided with lattice array; In the shooting direction adjusting one group of photographic head, until the shooting area set of each photographic head covers in the step of the first presumptive area of scaling board, the lattice array set that photographic head photographs is utilized to determine whether to photograph the first presumptive area; In the shooting direction adjusting another group photographic head, until the shooting area set of each photographic head covers in the step of the second presumptive area of scaling board, the lattice array set that photographic head photographs is utilized to determine whether to photograph the second presumptive area. The lattice array arranged can make demarcation personnel see intuitively and judge whether the shooting area of photographic head is covered in first, second presumptive area, improves and demarcates speed and efficiency.
It addition, camera module comprises further: generating laser; In the step adjusting camera module, generating laser launches laser to scaling board. Generating laser launches laser to scaling board, it is possible to illuminate scaling board, improves the contrast of scaling board and surrounding, thus whether the shooting area judging camera module clearly is covered in the presumptive area of scaling board.
It addition, scaling board can be dark, lattice array can be light color. Dot matrix is classified as light color, it is possible to when making lattice array be subject to photographic head exposure, it is easy to by profile relatively sharp under photograph; And, scaling board is dark, it is possible to increases the contrast of lattice array and scaling board, is conducive to identification point array; Such that it is able to more accurately judge that can camera module photograph presumptive area.
It addition, scaling board can be black, lattice array can be white. Dot matrix is classified as white, it is possible to when making lattice array be subject to photographic head exposure to greatest extent, by profile relatively sharp under photograph; And, scaling board is black, it is possible to increases the contrast of lattice array and scaling board to greatest extent, is conducive to identification point array; Such that it is able to more accurately judge that can camera module photograph presumptive area.
It addition, in the step that scaling board is located at the side of direct of travel of camera module, scaling board vertical support plate is arranged; In the step that scaling board is located at the opposite side of direct of travel of camera module, scaling board vertical support plate is arranged. Scaling board vertical support plate is arranged, arrange relative to other modes, the region of the scaling board that camera module can photograph can be increased as far as possible, thus judging whether the shooting area of camera module covers the presumptive area of scaling board more accurately, and, can also better simulate the situation of shooting foot body, meet the demand of user.
It addition, gripper shoe utilizes transparent material to make.Gripper shoe utilizes transparent material to make and can ensure that photographic head can photograph foot bottom surface such that it is able to obtain more accurate foot size data.
Accompanying drawing explanation
Fig. 1 is the structural representation of the foot scanning instrument according to first embodiment of the invention;
Fig. 2 is according to the first embodiment of the invention schematic flow sheet based on the scaling method of foot scanning instrument.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail. But, it will be understood by those skilled in the art that in each embodiment of the present invention, propose many ins and outs in order to make reader be more fully understood that the application. But, even without these ins and outs with based on the many variations of following embodiment and amendment, it is also possible to realize the application each claim technical scheme required for protection.
First embodiment of the present invention relates to a kind of scaling method based on foot scanning instrument. Wherein, the foot scanning instrument in present embodiment it is applied to as it is shown in figure 1, comprise: gripper shoe 1, camera module 2 and control module (not shown). Gripper shoe 1, for supporting foot's body to be scanned, is located between camera module 2; Camera module 2 is for scanning the foot's body in gripper shoe 1; Camera module 2 comprises two groups of photographic head 21, often group photographic head 21 is including at least a photographic head 21, and two groups of photographic head 21 are located at gripper shoe 1 both sides relatively, often group photographic head 21 can comprise four photographic head 21, and four photographic head 21 can be that checked spun antung be arranged on a vertical; Control module to communicate to connect with camera module 2, for combining received image, it is thus achieved that foot scanning image. When scanning module scans at needs, taken image according to the predetermined speed length direction single-way moving along gripper shoe 1 interval shooting, can be sent to controlling module by scanning module.
The flow process of the scaling method based on foot scanning instrument of present embodiment is as in figure 2 it is shown, specific as follows:
Step 101, utilizes a flat board as scaling board.
This step is the step making scaling board. Wherein, scaling board is for standing on the supporting plate. The color of flat board adopts black, say, that the scaling board in present embodiment adopts black. It is of course also possible to adopt other dark systems.
Step 102, is located at the side of the direct of travel of camera module by scaling board.
Wherein, scaling board is perpendicular to gripper shoe, arrange relative to other modes, it is perpendicular to gripper shoe and can increase the region of the scaling board that camera module can photograph as far as possible, thus judging whether the shooting area of camera module covers the presumptive area of scaling board more accurately, it can also better simulation shoots the situation of foot's body, meet the demand of user.
Step 103, adjusts the shooting direction of one group of photographic head.
Wherein, the photographic head group of adjustment is the photographic head group away from scaling board, selects better measure away from the photographic head group of scaling board the sized data of foot's body, also more meets the demand of practical application and user.
Step 104, it is judged that whether the shooting area set of each photographic head covers the first presumptive area of scaling board. If being judged as YES, then entering step 105, if being judged as NO, then returning step 103.
Namely, judge that the first presumptive area on scaling board is whether less than or equal to the shooting area set of each photographic head, if the first presumptive area is more than the shooting area set of each photographic head, may proceed to adjust the adjustment direction of this group photographic head, till the shooting area set of each photographic head covers the first presumptive area of scaling board, so far complete the demarcation of this group photographic head to foot scanning instrument.
Step 105, is located at the opposite side of the direct of travel of camera module by scaling board.
Wherein, scaling board is also perpendicularly to gripper shoe, and, the position of this setting of scaling board is identical to the distance of camera module with the position that scaling board in step 102 is arranged to the distance of camera module, that is, the position of twice setting of scaling board is identical to the distance of described camera module, to ensure in the overlapping region that foot's body is in each camera module shooting area, in order to improve the degree of accuracy measuring foot's body dimension data.
Step 106, adjusts the shooting direction of another group photographic head.
Wherein, the photographic head group adjusted in this step is also the photographic head group away from scaling board, better to measure the sized data of foot's body, also more meets the demand of practical application and user.
Step 107, it is judged that whether the shooting area set of each photographic head covers the second presumptive area of scaling board. If being judged as YES, then process ends; If being judged as NO, then return step 106.
Namely, judge that the second presumptive area on scaling board is whether less than or equal to the shooting area set of each photographic head, if the second presumptive area is more than the shooting area set of each photographic head, may proceed to adjust the adjustment direction of this group photographic head, till the shooting area set of each photographic head covers the second presumptive area of scaling board, so far complete the demarcation of another group photographic head to foot scanning instrument.
It is noted that comprise generating laser in embodiment of the present invention, camera module, generating laser may be located at often to be organized in the middle of photographic head, and this group photographic head is in one plane. Being in course of adjustment, generating laser launches laser to scaling board, illuminates scaling board, it is possible to improve the contrast of scaling board and surrounding, thus whether the shooting area judging camera module clearly is covered in the presumptive area of scaling board.
It is noted that in embodiment of the present invention, gripper shoe utilizes transparent material to make. Gripper shoe utilizes transparent material to make and can ensure that photographic head can photograph foot bottom surface such that it is able to obtain more accurate foot size data.
It is worth mentioning that, embodiment of the present invention is at timing signal, one case cover can be set outside foot scanning instrument, for covering foot scanning instrument, form black box structure, to increase the illumination contrast during work of foot scanning instrument, thus at timing signal, take the uncalibrated image that lines become apparent from, improve the degree of accuracy demarcated and efficiency further.
In terms of existing technologies, utilize vertical flat board on the supporting plate as scaling board, as long as thereby may be ensured that camera module can scan scaling board and just can scan foot's body. It is to say, the shooting area of foot's body is contained in the shooting area to flat board by camera module. Then pass through the side of the direct of travel that scaling board is located at camera module, adjust the shooting direction of one group of photographic head, until the shooting area set of each photographic head covers the first presumptive area of scaling board, it is possible to complete the demarcation of this group photographic head to foot scanning instrument; Then the demarcation of another group photographic head to foot scanning instrument just can be completed according to above-mentioned steps, such that it is able to simply and easily foot scanning instrument is demarcated, so that foot scanning instrument can be complete scan foot's body, it is thus achieved that complete foot size data.
Second embodiment of the present invention relates to a kind of scaling method based on foot scanning instrument. Second embodiment and the first embodiment are roughly the same, mainly the improvement is that: in second embodiment of the invention, scaling board is provided with lattice array, utilize photographic head to photograph lattice array set to determine whether to photograph first, second presumptive area, make demarcation personnel see intuitively with this and judge whether the shooting area of photographic head is covered in first, second presumptive area, improving and demarcate speed and efficiency.
Specifically, flow chart and first embodiment of present embodiment are identical, also as shown in Figure 1.Owing to scaling board is provided with lattice array, and dot matrix is classified as white. So in step 103 and step 104, demarcation personnel utilize the lattice array set that photographic head photographs to determine whether to photograph the first presumptive area. Such as, lattice array set does not fall completely within the picture photographed, so it is determined that the first presumptive area can not be shot completely, that is the shooting area set of each photographic head is less than the first presumptive area, demarcation personnel need to readjust the shooting direction of this group photographic head, until the shooting area set of each photographic head covers the first presumptive area of scaling board
In step 106 and step 107, it is substantially similar with above-mentioned decision process that demarcation personnel utilize the lattice array set that photographic head photographs to determine whether to photograph the second presumptive area, does not repeat herein.
It is noted that due in present embodiment lattice array be white, scaling board is black, it is possible to make to greatest extent lattice array be subject to photographic head exposure time, by profile relatively sharp under photograph; And, dot matrix is classified as white, and scaling board is black, it is possible to increases the contrast of lattice array and scaling board to greatest extent, is conducive to identification point array; Such that it is able to more accurately judge that can camera module photograph presumptive area.
3rd embodiment of the present invention relates to a kind of scaling method based on foot scanning instrument. 3rd embodiment and the second embodiment are identical, are differing primarily in: in second embodiment of the invention, and the color of lattice array is white, and in third embodiment of the invention, the color of lattice array is light green color.
Specifically, in the present embodiment, the color of lattice array is light green color, certainly, in actual applications, it is not limited to this, it is also possible to adopt other light color system colors, lattice array adopts pale coloration, it is possible to when making lattice array be subject to photographic head exposure, it is easy to by profile relatively sharp under photograph. And, the scaling board of light lattice array and dark color, it is possible to form striking contrast, be conducive to identification point array; Such that it is able to more accurately judge that can camera module photograph presumptive area.
Pass through present embodiment, it is possible to increase the multiformity of embodiment of the present invention, be conducive to the popularization of embodiment of the present invention.
The step of various methods divides above, is intended merely to description clear, it is achieved time can be merged into a step or some step is split, and is decomposed into multiple step, as long as comprising identical logical relation, all in the protection domain of this patent; To adding inessential amendment in algorithm or in flow process or introducing inessential design, but do not change the core design of its algorithm and flow process all in the protection domain of this patent.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, it is possible in the form and details it is done various change, without departing from the spirit and scope of the present invention.
Claims (9)
1. the scaling method based on foot scanning instrument, it is characterised in that foot scanning instrument comprises: for supporting the gripper shoe of foot's body to be scanned, and camera module; Described camera module comprises two groups of photographic head, and often group photographic head is including at least a photographic head; The described scaling method based on foot scanning instrument comprises the steps of
Make scaling board step, utilize a flat board as described scaling board; Wherein, described scaling board is for standing in described gripper shoe;
Adjust camera module step, described scaling board is located at the side of the direct of travel of described camera module, adjusts the shooting direction of one group of photographic head, until the shooting area set of each photographic head covers the first presumptive area of described scaling board;Described scaling board is located at the opposite side of the direct of travel of described camera module, adjusts the shooting direction of another group photographic head, until the shooting area set of each photographic head covers the second presumptive area of described scaling board.
2. the scaling method based on foot scanning instrument according to claim 1, it is characterized in that, in the side of the described direct of travel that scaling board is located at described camera module, adjusting in the step of one group of photographic head shooting direction, the photographic head group of adjustment is the photographic head group away from described scaling board.
3. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that in the step of described adjustment camera module, the position of described twice setting of scaling board is identical to the distance of described camera module.
4. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that described scaling board is provided with lattice array;
In the shooting direction of described one group of photographic head of adjustment, until the shooting area set of each photographic head covers in the step of the first presumptive area of described scaling board, the lattice array set that described photographic head photographs is utilized to determine whether to photograph described first presumptive area;
Shooting direction at another group photographic head of described adjustment, until the shooting area set of each photographic head covers in the step of the second presumptive area of described scaling board, the lattice array set that described photographic head photographs is utilized to determine whether to photograph described second presumptive area.
5. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that comprise further in described camera module: generating laser;
In the step of described adjustment camera module, described generating laser launches laser to described scaling board.
6. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that described scaling board is dark, and described dot matrix is classified as light color.
7. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that described scaling board is black, and described dot matrix is classified as white.
8. the scaling method based on foot scanning instrument according to claim 1, it is characterised in that in the step of the side of the described direct of travel that scaling board is located at camera module, the vertical described gripper shoe of described scaling board is arranged;
In the step of the opposite side of the described direct of travel that scaling board is located at camera module, the vertical described gripper shoe of described scaling board is arranged.
9. the scaling method based on foot scanning instrument as claimed in any of claims 1 to 8, it is characterised in that described gripper shoe utilizes transparent material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025971.2A CN105661757A (en) | 2015-12-30 | 2015-12-30 | Calibration method based on foot scanner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025971.2A CN105661757A (en) | 2015-12-30 | 2015-12-30 | Calibration method based on foot scanner |
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| CN105661757A true CN105661757A (en) | 2016-06-15 |
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| CN201511025971.2A Pending CN105661757A (en) | 2015-12-30 | 2015-12-30 | Calibration method based on foot scanner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107358150A (en) * | 2017-06-01 | 2017-11-17 | 深圳赛飞百步印社科技有限公司 | Object frame identification method, device and high photographing instrument |
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