CN105389801A - Figure outline setting method, shooting terminal, figure image blurring method and system - Google Patents
Figure outline setting method, shooting terminal, figure image blurring method and system Download PDFInfo
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- CN105389801A CN105389801A CN201510682643.3A CN201510682643A CN105389801A CN 105389801 A CN105389801 A CN 105389801A CN 201510682643 A CN201510682643 A CN 201510682643A CN 105389801 A CN105389801 A CN 105389801A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
Abstract
The invention discloses a figure outline setting method, a shooting terminal, a figure image blurring method and a figure image blurring system. The figure outline setting method comprises the steps of performing face detection on an image to be processed to obtain a face region, calculating a head outline region according to the face region, calculating to obtain a body outline region by combining the head outline region with an inherent proportion and slope of a body and a head, and acquiring an overall figure outline region according to the head outline region and the body outline region. Therefore, the intelligent figure outline identification can be achieved, so as to carry out further blurring processing on a background region outside the figure outline region without manual smearing and region selection, and the user experience is better.
Description
Technical field
The present invention relates to technical field of image processing, particularly system, the camera terminal of a kind of character contour method to set up, character image weakening method and application the method thereof.
Background technology
In prior art; we are when handler's object image; in order to outstanding personage often can carry out virtualization to background; but prior art is all the region needing user manually to carry out smearing or specifying virtualization; or the character contour template that setting is fixing; the character contour template of the character contour information in image and setting is compared, thus obtains non-personage's contour area, then virtualization process is carried out to this non-personage's contour area.User is manually specified to the method in virtualization region, not only effect is bad, and the time needing cost user more, and Consumer's Experience is bad; For employing character contour template, need by outer non-economic, operate more loaded down with trivial details, and need to provide abundant character contour template to carry out selecting suitable template for user, still need user to participate in selection can realize, inadequate robotization and intellectuality, Consumer's Experience is bad.Therefore, how character contour is set intelligently and then becomes key in virtualization treatment technology.
Summary of the invention
The present invention is for solving the problem, provide a kind of character contour method to set up, character image weakening method, system and camera terminal, it is based on the method for Face datection, the human face region obtained is utilized to calculate corresponding contouring head region and body contour region, thus obtain overall character contour region, smear without the need to manually auxiliary, realize Intelligent Recognition character contour, Consumer's Experience is better.
For achieving the above object, the technical solution used in the present invention is:
First, the invention provides a kind of character contour method to set up, it comprises the following steps:
10. pair pending image carries out Face datection, obtains human face region;
20. calculate contouring head region according to described human face region;
30. by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
40. according to described contouring head region and described body contour region, obtains overall character contour region.
Preferably, calculate contouring head region according to described human face region in described step 20, comprise further:
21. calculate facial contour region according to described human face region;
Facial contour region described in 22. pairs is carried out outside expansion and is calculated, and obtains contouring head region.
Preferably, contouring head region is calculated according to described human face region in described step 20, by presetting facial contour region corresponding to described human face region or described contouring head region is elliptical region, elliptical center point and two ellipse radii of this elliptical region are first calculated according to described human face region, and calculate described elliptical region according to this elliptical center point and two ellipse radii, namely obtain described facial contour region or described contouring head region.
Preferably, the intrinsic ratio of the health in described step 30 and head, be the health of the character contour by collecting different building shape in advance and the intrinsic ratio of head, and choose the intrinsic ratio of the corresponding health of character contour in pending image and head when calculating body contour region; Or by the health of character contour in the direct pending image of measurement and the height dimension of head and width dimensions, thus obtain the health of the character contour in pending image and the intrinsic ratio of head.
Preferably, health in described step 30 and the slope of head, it is the slope of two straight lines utilizing the shoulder area of health and neck area to obtain, these two lines are all through neck area that same point is namely described, and extend from shoulder area respectively to both sides of the point of this neck area, the slope of two shoulders of the slope representative figure of these two lines.
Preferably, the central point of the bottom position of the human face region described in some employing of described neck area, from this central point respectively to both sides shoulder area extend obtain two straight lines, the lower zone that these two straight lines are formed is body region, and the contouring head region described in also combining according to this body region and the intrinsic ratio of health and head calculate described body contour region.
Preferably, obtain overall character contour region according to described contouring head region and described body contour region in described step 40, comprise further:
41. obtain preliminary character contour region according to described contouring head region and described body contour region;
Preliminary character contour region described in 42. pairs is carried out outside expansion and is calculated, and obtains final character contour region.
Preferably, in described step 42, outside expansion is carried out to described preliminary character contour region and calculate final character contour region, all pixels of background area beyond preliminary character contour region described in mainly calculating and the bee-line in this preliminary character contour region, and pixel bee-line being less than default extended range is set to transitional region, calculate final character contour region according to described preliminary character contour region and described transitional region.
Further, the present invention also provides a kind of character image weakening method, the character contour region that its character contour method to set up according to above-mentioned any one obtains, and carries out virtualization process to the background area beyond this character contour region.
Preferably, described character contour region comprises preliminary character contour region and transitional region further, also comprises and carries out transition virtualization process to this transitional region.
Secondly, the present invention also provides a kind of character contour to arrange system, and it comprises:
Face detection module, for carrying out Face datection to pending image, obtains human face region;
Contouring head computing module, for calculating contouring head region according to described human face region;
Body contour computing module, for by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
Character contour computing module, for according to described contouring head region and described body contour region, obtains overall character contour region.
And the present invention also provides a kind of character image virtualization system, and it comprises:
Character contour arranges system, calculates character contour region for the character contour method to set up according to above-mentioned any one;
Virtualization disposal system, for carrying out virtualization process to the background area beyond this character contour region.
In addition, the present invention also provides a kind of camera terminal, and it comprises described character contour and arranges system and/or described character image virtualization system.
Preferably, described camera terminal comprises: mobile phone, digital camera or panel computer.
The invention has the beneficial effects as follows:
A kind of character contour method to set up of the present invention, character image weakening method, system and camera terminal, it is by carrying out Face datection to pending image, obtain human face region, and calculate contouring head region according to described human face region, described contouring head region is calculated body contour region in conjunction with the intrinsic ratio of health and head and slope, contouring head region described in last basis and described body contour region obtain overall character contour region, thus realize Intelligent Recognition character contour, to carry out virtualization process to the background area beyond described character contour region further, without the need to manually smearing and selected zone, Consumer's Experience is better.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the general flow chart of character contour method to set up of the present invention;
Fig. 2 is the general flow chart of the present inventor's object image weakening method;
Fig. 3 is the structural representation of camera terminal of the present invention;
Fig. 4 is the pending image of the present invention one specific embodiment;
Fig. 5 is the character contour figure that Fig. 4 is corresponding.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of character contour method to set up of the present invention, it comprises the following steps:
10. pair pending image carries out Face datection, obtains human face region;
20. calculate contouring head region according to described human face region;
30. by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
40. according to described contouring head region and described body contour region, obtains overall character contour region.
Calculate contouring head region according to described human face region in described step 20, comprise further:
21. calculate facial contour region according to described human face region;
Facial contour region described in 22. pairs is carried out outside expansion and is calculated, and obtains contouring head region.
Contouring head region is calculated according to described human face region in described step 20, by presetting facial contour region corresponding to described human face region or described contouring head region is elliptical region, elliptical center point and two ellipse radii of this elliptical region are first calculated according to described human face region, and calculate described elliptical region according to this elliptical center point and two ellipse radii, namely obtain described facial contour region or described contouring head region.In actual computation process, can first calculate facial contour region according to above-mentioned oval computing method, more outside expansion calculating is carried out to facial contour region, obtain contouring head region; Or, also directly can calculate contouring head region according to above-mentioned oval computing method, the difference just in ellipse radii value.
The intrinsic ratio of the health in described step 30 and head, be the health of the character contour by collecting different building shape in advance and the intrinsic ratio of head, and choose the intrinsic ratio of the corresponding health of character contour in pending image and head when calculating body contour region; Or by the health of character contour in the direct pending image of measurement and the height dimension of head and width dimensions, thus obtain the health of the character contour in pending image and the intrinsic ratio of head.
Health in described step 30 and the slope of head, it is the slope of two straight lines utilizing the shoulder area of health and neck area to obtain, these two lines are all through neck area that same point is namely described, and extend from shoulder area respectively to both sides of the point of this neck area, the slope of two shoulders of the slope representative figure of these two lines.The present embodiment, in order to simplify calculating, the central point of the bottom position of the human face region described in some employing of described neck area, from this central point respectively to both sides shoulder area extend obtain two straight lines, the lower zone that these two straight lines are formed is body region, and the contouring head region described in also combining according to this body region and the intrinsic ratio of health and head calculate described body contour region.The present embodiment adopts the slope of shoulder to come aided solving body contour region, and locating speed is faster, or this shoulder slope also by pre-setting fixed value, can be measured without the need to manual intervention; In addition, also other body part aided solving can be passed through as required.
Obtain overall character contour region according to described contouring head region and described body contour region in described step 40, comprise further:
41. obtain preliminary character contour region according to described contouring head region and described body contour region;
Preliminary character contour region described in 42. pairs is carried out outside expansion and is calculated, and obtains final character contour region.
Wherein, in described step 42, outside expansion is carried out to described preliminary character contour region and calculate final character contour region, all pixels of background area beyond preliminary character contour region described in mainly calculating and the bee-line in this preliminary character contour region, and pixel bee-line being less than default extended range is set to transitional region, calculate final character contour region according to described preliminary character contour region and described transitional region.
As shown in Figure 4 and Figure 5, if the bee-line of pixel is greater than default extended range, then this pixel belongs to absolute non-personage's contour area, is background area, and is set to the black region of virtualization process masking-out; Accordingly, described character contour region is set to the white portion of virtualization process masking-out; If the bee-line of pixel is less than or equal to default extended range, then this pixel belongs to transitional region, and the color value in virtualization process masking-out corresponding to this pixel is:
Color＝minlength*255/length；
Wherein, Color is the color value in virtualization process masking-out that pixel is corresponding; Minlength is bee-line; Length is default extended range.
As shown in Figure 2, the present invention also provides a kind of character image weakening method, the character contour region that its character contour method to set up according to above-mentioned any one obtains, also comprises step 50. further and carries out virtualization process to the background area beyond described character contour region.
In the present embodiment, described character contour region comprises preliminary character contour region and transitional region further, also comprises and carries out transition virtualization process to this transitional region.
As shown in Figure 3, the present invention also provides a kind of camera terminal, this camera terminal comprises character contour as described below and arranges system 100, or, also comprise character image virtualization system 300 as described below, itself and aforesaid embodiment of the method realize principle and technique effect is similar, see the relevant record in above-described embodiment, can repeat no more in detail herein.
In the present embodiment, described character contour arranges system 100 and comprises:
Face detection module 101, for carrying out Face datection to pending image, obtains human face region;
Contouring head computing module 102, for calculating contouring head region according to described human face region;
Body contour computing module 103, for by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
Character contour computing module 104, for according to described contouring head region and described body contour region, obtains overall character contour region.
In the present embodiment, described character image virtualization system 300 comprises:
Character contour arranges system 100, calculates character contour region for the character contour method to set up according to above-mentioned any one;
Virtualization disposal system 200, for carrying out virtualization process to the background area beyond this character contour region.
In addition, the present invention also provides a kind of camera terminal, and it comprises described character contour and arranges system and/or described character image virtualization system.
Described camera terminal comprises: mobile phone, digital camera or panel computer etc. are configured with the equipment of camera.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For system embodiment and terminal embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.And, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.In addition, one of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (14)
1. a character contour method to set up, is characterized in that, comprises the following steps:
10. pair pending image carries out Face datection, obtains human face region;
20. calculate contouring head region according to described human face region;
30. by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
40. according to described contouring head region and described body contour region, obtains overall character contour region.
2. a kind of character contour method to set up according to claim 1, is characterized in that: calculate contouring head region according to described human face region in described step 20, comprise further:
21. calculate facial contour region according to described human face region;
Facial contour region described in 22. pairs is carried out outside expansion and is calculated, and obtains contouring head region.
3. a kind of character contour method to set up according to claim 1 and 2, it is characterized in that: in described step 20, calculate contouring head region according to described human face region, by presetting facial contour region corresponding to described human face region or described contouring head region is elliptical region, elliptical center point and two ellipse radii of this elliptical region are first calculated according to described human face region, and calculate described elliptical region according to this elliptical center point and two ellipse radii, namely described facial contour region or described contouring head region is obtained.
4. a kind of character contour method to set up according to claim 1, it is characterized in that: the intrinsic ratio of the health in described step 30 and head, be the health of the character contour by collecting different building shape in advance and the intrinsic ratio of head, and choose the intrinsic ratio of the corresponding health of character contour in pending image and head when calculating body contour region; Or by the health of character contour in the direct pending image of measurement and the height dimension of head and width dimensions, thus obtain the health of the character contour in pending image and the intrinsic ratio of head.
5. a kind of character contour method to set up according to claim 1 or 4, it is characterized in that: the health in described step 30 and the slope of head, it is the slope of two straight lines utilizing the shoulder area of health and neck area to obtain, these two lines are all through neck area that same point is namely described, and extend from shoulder area respectively to both sides of the point of this neck area, the slope of two shoulders of the slope representative figure of these two lines.
6. a kind of character contour method to set up according to claim 5, it is characterized in that: the central point of the bottom position of the human face region described in some employing of described neck area, from this central point respectively to both sides shoulder area extend obtain two straight lines, the lower zone that these two straight lines are formed is body region, and the contouring head region described in also combining according to this body region and the intrinsic ratio of health and head calculate described body contour region.
7. a kind of character contour method to set up according to claim 5, is characterized in that: obtain overall character contour region according to described contouring head region and described body contour region in described step 40, comprise further:
41. obtain preliminary character contour region according to described contouring head region and described body contour region;
Preliminary character contour region described in 42. pairs is carried out outside expansion and is calculated, and obtains final character contour region.
8. a kind of character contour method to set up according to claim 7, it is characterized in that: in described step 42, outside expansion is carried out to described preliminary character contour region and calculate final character contour region, all pixels of background area beyond preliminary character contour region described in mainly calculating and the bee-line in this preliminary character contour region, and pixel bee-line being less than default extended range is set to transitional region, calculate final character contour region according to described preliminary character contour region and described transitional region.
9. a character image weakening method, is characterized in that, the character contour region that its character contour method to set up according to any one of described claim 1 to 8 obtains, and carries out virtualization process to the background area beyond this character contour region.
10. a kind of character image weakening method according to claim 9, is characterized in that, described character contour region comprises preliminary character contour region and transitional region further, also comprises and carries out transition virtualization process to this transitional region.
11. 1 kinds of character contours arrange system, it is characterized in that, comprising:
Face detection module, for carrying out Face datection to pending image, obtains human face region;
Contouring head computing module, for calculating contouring head region according to described human face region;
Body contour computing module, for by described contouring head region in conjunction with the intrinsic ratio of health and head and slope, calculate body contour region;
Character contour computing module, for according to described contouring head region and described body contour region, obtains overall character contour region.
12. 1 kinds of character image virtualization systems, is characterized in that, comprising:
Character contour arranges system, calculates character contour region for the character contour method to set up according to any one of described claim 1 to 8;
Virtualization disposal system, for carrying out virtualization process to the background area beyond this character contour region.
13. 1 kinds of camera terminals, is characterized in that, comprise character contour according to claim 11 and arrange system and/or character image virtualization system according to claim 12.
14. camera terminals according to claim 13, is characterized in that, described camera terminal comprises: mobile phone, digital camera or panel computer.
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| CN114430495A (en) * | 2022-01-12 | 2022-05-03 | 广州繁星互娱信息科技有限公司 | Object display method and device, storage medium and electronic equipment |
| CN115359194A (en) * | 2022-10-20 | 2022-11-18 | 北京百度网讯科技有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| CN115457644A (en) * | 2022-11-10 | 2022-12-09 | 成都智元汇信息技术股份有限公司 | Method and device for obtaining image recognition of target based on extended space mapping |
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