CN105447895A - Hierarchical picture pasting method, device and terminal equipment - Google Patents
Hierarchical picture pasting method, device and terminal equipment Download PDFInfo
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- CN105447895A CN105447895A CN201410485625.1A CN201410485625A CN105447895A CN 105447895 A CN105447895 A CN 105447895A CN 201410485625 A CN201410485625 A CN 201410485625A CN 105447895 A CN105447895 A CN 105447895A
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Abstract
The invention provides a hierarchical picture pasting method, a hierarchical picture pasting device and terminal equipment. The hierarchical picture pasting method comprises the steps of: carrying out regional division on an original picture, wherein each obtained region has a corresponding field depth grade; and displaying a material target picture in the original picture hierarchically according to a field depth grade of the material target picture and a field depth grade of a region where the material target picture is to be pasted in the original picture. The hierarchical picture pasting device comprises a dividing module and a displaying module. According to the hierarchical picture pasting method, the hierarchical picture pasting device and the terminal equipment, the picture with field depth information serves as the original picture and is subjected to hierarchicalization, and the material target picture ''cut'' out from a material picture is pated to a certain hierarchy (field depth grade) of the hierarchical picture through an ''insertion'' manner, thereby achieving hierarchical pasting of images, and enhancing the hierarchical effect in picture pasting.
Description
Technical field
The present invention relates to image technique field, the picture particularly relating to a kind of stratification pastes method, device and terminal device.
Background technology
In existing mobile phone and multimedia equipment thereof, certain part of A picture be pasted and in B picture, carry out picture paste, be directly generally that the material part that will paste plucks out from A picture, paste on B image, realize simply pasting of image.
But the defect that existing scheme exists is: the mode only utilizing " scratching figure ", material part in A picture being plucked out directly pastes on B picture, the material part pasted can only be placed on the most top layer of B picture, can not paste at the random layer of B picture, so stereovision is not strong, authenticity is bad.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of picture of stratification to paste method, device and terminal device, overcomes prior art and pastes the not strong defect of stereovision for picture.
The technical solution used in the present invention is, method pasted by the picture of described stratification, comprising:
Carry out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence;
According to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo.
Further, Region dividing is carried out to former picture, comprising:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
Further, the depth of field data according to pixel each on former picture carries out Region dividing to former picture, comprising:
Convert former picture to gray scale picture, and set each depth of field data scope of zoning time institute foundation;
By the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, be divided in different regions, form the regional of former picture.
Further, based on the first image segmentation algorithm, by the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, be divided in different regions, form the regional of former picture;
Described first image segmentation algorithm, comprises one of following: Laplace algorithm, Sobel algorithm, LoG algorithm, Canny algorithm.
Further, according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo, comprising:
For the depth of field data of the pixel in each region, calculate the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
Obtain the depth of field grade of the material Target Photo that user selects;
If the depth of field grade of described material Target Photo is greater than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, shows according to former image content;
If the depth of field grade of described material Target Photo is less than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, according to described material Target Photo content display;
If the depth of field grade of described material Target Photo equals the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, according to former image content display or according to described material Target Photo content display.
Further, the acquisition process of described material Target Photo, comprising:
From material picture, the material Target Photo required for user is partitioned into based on the second image segmentation algorithm; Described second image segmentation algorithm, comprises one of following: LoG algorithm, Canny algorithm.
The present invention also provides a kind of picture sticking device of stratification, comprising:
Divide module, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence;
Display module, for according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, carries out stratification display to described material Target Photo in former picture.
Further, described division module, for:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
Further, described display module, comprising:
Computing module, for the depth of field data of the pixel for each region, calculates the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
Acquisition module, for obtaining the depth of field grade of the material Target Photo that user selects;
Module is shown, during for being greater than the depth of field grade of described material Target Photo for the region pasted in former picture when the depth of field grade of described material Target Photo, the region for pasting in former picture, shows according to former image content;
When the depth of field grade of described material Target Photo is less than the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to described material Target Photo content display;
When the depth of field grade of described material Target Photo equals the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to former image content display or according to described material Target Photo content display.
The present invention also provides a kind of terminal device, comprises a processor;
Described processor, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence; According to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo.
Adopt technique scheme, the present invention at least has following advantages:
The picture of stratification of the present invention pastes method, device and terminal device, to there is the picture of depth of view information as former picture, then by its stratification, and certain level and the depth of field grade of stratification picture will be pasted by the mode of " insertion " from the material Target Photo " scratched " material picture out, the stratification realizing image is pasted, with promote picture paste in stereovision.
Accompanying drawing explanation
Fig. 1 is that method flow diagram pasted by the picture of the stratification of first embodiment of the invention;
Fig. 2 is that method flow diagram pasted by the picture of the stratification of second embodiment of the invention;
Fig. 3 is the picture sticking device composition structural representation of third embodiment of the invention stratification;
Fig. 4 is the composition structural representation of fourth embodiment of the invention terminal device;
Fig. 5 is that method flow schematic diagram is pasted in the stratification of fifth embodiment of the invention picture;
Fig. 6 (a), (b) respectively illustrate and use the picture stratification of the present embodiment to paste method and use common picture to paste the contrast effect figure pasting figure of method acquisition.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, method pasted by a kind of picture of stratification, as shown in Figure 1, comprises following concrete steps:
Step S101, carries out Region dividing to former picture, and each region obtained has the depth of field grade of a correspondence;
Concrete, in step S101, Region dividing is carried out to former picture, comprising:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
Further, the depth of field data according to pixel each on former picture carries out Region dividing to former picture, comprising:
Convert former picture to gray scale picture, and set each depth of field data scope of zoning time institute foundation; By the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, be divided in different regions, form the regional of former picture.
Preferably, based on the first image segmentation algorithm, by the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, can be divided in different regions, form the regional of former picture.First image segmentation algorithm that can adopt, comprises one of following: Laplace algorithm, Sobel algorithm, LoG algorithm, Canny algorithm.
Step S102, according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, carries out stratification display to described material Target Photo in former picture.
Concrete, step S102, comprising:
A1: for the depth of field data of the pixel in each region, calculates the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
A2: the depth of field grade obtaining the material Target Photo that user selects; The standard obtaining the depth of field grade institute foundation of material Target Photo is consistent with the standard of the depth of field grade institute foundation determining former picture.
And, these three step branches of the steps A 3 ~ A5 that may enter:
A3: if the depth of field grade of described material Target Photo is greater than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, shows according to former image content;
A4: if the depth of field grade of described material Target Photo is less than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, according to described material Target Photo content display;
A5: if the depth of field grade of described material Target Photo equals the depth of field grade in region of described material Target Photo for pasting in former picture, region then for pasting in former picture, according to former image content display or according to described material Target Photo content display.
Second embodiment of the invention, method pasted by a kind of picture of stratification, method described in the present embodiment is roughly the same with the first embodiment, difference is, as shown in Figure 2, the described method of the present embodiment, except comprising step S201 ~ 202 corresponding with first embodiment step S101 ~ S102, also comprises the following concrete steps before occurring in step S201:
Step S200, obtains material Target Photo.
Concrete, from material picture, be partitioned into the material Target Photo required for user based on the second image segmentation algorithm.This second image segmentation algorithm, comprises one of following: LoG algorithm, Canny algorithm.
Third embodiment of the invention, corresponding with the first embodiment, the present embodiment introduces a kind of picture sticking device of stratification, as shown in Figure 3, comprises following ingredient:
1) divide module 100, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence;
Concrete, divide module 100, for:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
2) display module 200, for according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, carries out stratification display to described material Target Photo in former picture.
Concrete, display module 200, comprises following comprising modules:
Computing module 201, for the depth of field data of the pixel for each region, calculates the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
Acquisition module 202, for obtaining the depth of field grade of the material Target Photo that user selects; The standard obtaining the depth of field grade institute foundation of material Target Photo is consistent with the standard of the depth of field grade institute foundation determining former picture.
Module 203 is shown, during for being greater than the depth of field grade of described material Target Photo for the region pasted in former picture when the depth of field grade of described material Target Photo, the region for pasting in former picture, shows according to former image content;
When the depth of field grade of described material Target Photo is less than the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to described material Target Photo content display;
When the depth of field grade of described material Target Photo equals the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to former image content display or according to described material Target Photo content display.
Fourth embodiment of the invention, a kind of terminal device, can understand as entity apparatus, as shown in Figure 4, comprises a processor 10;
Processor 10, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence; According to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo.
On the function detail that in the present embodiment, processor 10 completes with in the first embodiment or the concrete steps pasted involved by method of the picture of the second embodiment middle-levelization corresponding, or also can be corresponding with dividing the function that module and display module complete in the 4th embodiment.
Fifth embodiment of the invention, the present embodiment is on the basis of above-described embodiment, 5 ~ 6 introduces an application example of the present invention by reference to the accompanying drawings.
The present embodiment has depth of view information due to the dual camera that uses or other depth of field cameras former picture of taking out, i.e. this former picture record wherein depth of field data of each target or range information, by the distance of the distance of record, by hierarchical for each for former picture object, then the material picture plucked out is inserted into certain level of former picture by the mode inserted, the stratification realizing image is pasted.
As shown in Figure 5, the detailed process that method pasted by the picture of this stratification is described below:
Step 1: the method utilizing Iamge Segmentation, the such as method such as LoG operator, Canny operator, obtain the material Target Photo that will pluck out in material picture, material picture here can be depth of field picture, also can be normal picture;
Step 2: utilize dual camera or other depth of field cameras to clap and get the picture with depth of view information, as the former picture that will edit;
Step 3: according to depth of view information by hierarchical for former picture, its hierarchical process is as follows:
3.1: use degree of depth picture dividing method, such as Laplace operator, Sobel operator, in conjunction with each depth of field data scope of the zoning time institute foundation of setting, picture segmentation is carried out to the former picture with depth of view information, former picture segmentation is become multiple region;
3.2: the average depth of view information calculating each region, i.e. the mean distance information in each region;
3.3: according to the mean distance information in each region, from the close-by examples to those far off carry out ascending order to each region and be numbered, its numbering of region that mean distance information is identical is identical, obtains the hierarchical picture after numbering.
Step 4: arrange the layer that the material Target Photo plucked out will be inserted into hierarchical picture, obtains the material Target Photo after layer numbering; The layer numbering of described material Target Photo is consistent with the numbering of the layer of the hierarchical picture that described material Target Photo will insert.
Step 5: the material Target Photo after being numbered by layer is inserted in hierarchical picture.When the layer numbering of material Target Photo is larger than the numbering in its region covered in hierarchical picture, represent that material Target Photo is by regional occlusion corresponding to hierarchical picture, then automatically, do not shown by material Target Photo, hierarchical picture corresponding region then still shows; When the layer numbering of material Target Photo less than the numbering in its region covered in hierarchical picture or equal time, then automatically do not shown in region corresponding for hierarchical picture, material Target Photo then shows;
Step 6: export the former picture after pasting.
Fig. 6 (a) and Fig. 6 (b) respectively illustrates and uses the picture stratification of the present embodiment to paste method and use common picture to paste the contrast effect figure pasting figure of method acquisition, wherein Fig. 6 (a) to be the picture adhering effect figure using the present embodiment method to obtain, Fig. 6 (b) be picture adhering effect figure that the common picture of use pastes method to be obtained.
As can be seen from the comparing result of Fig. 6 (a), (b), use common picture to paste method, the material Target Photo that can only paste is placed on foremost, the picture level after pasting and the sense of reality not strong; And the material Target Photo using the method for the present embodiment to paste is pasted at the random layer with depth of view information picture, can as foreground layer, as middle layer, also can layer as a setting, and stratification is more obvious, and authenticity is stronger.
The picture of the described stratification of the embodiment of the present invention pastes method, device and terminal device, to there is the picture of depth of view information as former picture, then by its stratification, and certain level and the depth of field grade of stratification picture will be pasted by the mode of " insertion " from the material Target Photo " scratched " material picture out, the stratification realizing image is pasted, with promote picture paste in stereovision.
By the explanation of embodiment, should to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but appended diagram be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Claims (10)
1. a method pasted by the picture of stratification, it is characterized in that, comprising:
Carry out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence;
According to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo.
2. method pasted by the picture of stratification according to claim 1, it is characterized in that, carries out Region dividing, comprising former picture:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
3. method pasted by the picture of stratification according to claim 2, it is characterized in that, the depth of field data according to pixel each on former picture carries out Region dividing to former picture, comprising:
Convert former picture to gray scale picture, and set each depth of field data scope of zoning time institute foundation;
By the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, be divided in different regions, form the regional of former picture.
4. method pasted by the picture of stratification according to claim 3, it is characterized in that, based on the first image segmentation algorithm, by the described each depth of field data scope of the depth of field data of the pixel of continuous distribution on gray scale picture according to setting, be divided in different regions, form the regional of former picture;
Described first image segmentation algorithm, comprises one of following: Laplace algorithm, Sobel algorithm, LoG algorithm, Canny algorithm.
5. method pasted by the picture of stratification according to claim 2, it is characterized in that, according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo, comprising:
For the depth of field data of the pixel in each region, calculate the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
Obtain the depth of field grade of the material Target Photo that user selects;
If the depth of field grade of described material Target Photo is greater than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, shows according to former image content;
If the depth of field grade of described material Target Photo is less than the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, according to described material Target Photo content display;
If the depth of field grade of described material Target Photo equals the depth of field grade in region of described material Target Photo for pasting in former picture, then the region for pasting in former picture, according to former image content display or according to described material Target Photo content display.
6. method pasted by the picture of the stratification according to any one of Claims 1 to 5, it is characterized in that, the acquisition process of described material Target Photo, comprising:
From material picture, the material Target Photo required for user is partitioned into based on the second image segmentation algorithm; Described second image segmentation algorithm, comprises one of following: LoG algorithm, Canny algorithm.
7. a picture sticking device for stratification, is characterized in that, comprising:
Divide module, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence;
Display module, for according to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, carries out stratification display to described material Target Photo in former picture.
8. the picture sticking device of stratification according to claim 7, is characterized in that, described division module, for:
Depth of field data according to pixel each on former picture carries out Region dividing to former picture.
9. the picture sticking device of stratification according to claim 8, is characterized in that, described display module, comprising:
Computing module, for the depth of field data of the pixel for each region, calculates the average depth of field data in each region, if average depth of field data is larger, the depth of field grade of respective regions is higher;
Acquisition module, for obtaining the depth of field grade of the material Target Photo that user selects;
Module is shown, during for being greater than the depth of field grade of described material Target Photo for the region pasted in former picture when the depth of field grade of described material Target Photo, the region for pasting in former picture, shows according to former image content;
When the depth of field grade of described material Target Photo is less than the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to described material Target Photo content display;
When the depth of field grade of described material Target Photo equals the depth of field grade of described material Target Photo for the region pasted in former picture, the region for pasting in former picture, according to former image content display or according to described material Target Photo content display.
10. a terminal device, is characterized in that, comprises a processor;
Described processor, for carrying out Region dividing to former picture, each region obtained has the depth of field grade of a correspondence; According to material Target Photo depth of field grade for depth of field grade corresponding to the region pasted and described material Target Photo in former picture, in former picture, stratification display is carried out to described material Target Photo.
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