CN104376531B - A kind of image split-joint method and system - Google Patents
A kind of image split-joint method and system Download PDFInfo
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- CN104376531B CN104376531B CN201410762638.9A CN201410762638A CN104376531B CN 104376531 B CN104376531 B CN 104376531B CN 201410762638 A CN201410762638 A CN 201410762638A CN 104376531 B CN104376531 B CN 104376531B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000004927 fusion Effects 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004364 calculation method Methods 0.000 abstract description 5
- 238000003702 image correction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4038—Image mosaicing, e.g. composing plane images from plane sub-images
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Abstract
The invention discloses a kind of image split-joint method and system, and applied to complete opening wall imaging system, methods described includes：Obtain the image for needing to be spliced；Described image is modified；The overlapping region scope for determining adjacent picture according to testing the speed；Described image is merged according to the overlapping region scope using the method for linear fusion.Using image split-joint method provided by the invention and system, after image is modified, the premise determined using constant speed determines the overlapping region scope of adjacent picture according to testing the speed, the method of linear fusion is recycled to carry out splicing of the image co-registration completion to image according to the overlapping region scope, when finding picture registration region image co-registration is carried out by the feature fast searching of constant speed measure to characteristic value, amount of calculation is small, picture splices efficiency high, and image correction is carried out, using linear fusion, image mosaic effect is more preferable.
Description
Technical field
The present invention relates to complete opening wall imaging field, more particularly to a kind of image split-joint method and system.
Background technology
With the continuous progress of science and technology, the ways and means of geological exploration is also constantly being weeded out the old and bring forth the new, wherein using
The complete opening wall image that digital camera technical limit spacing is realistic after drilling well carries out geological analysis as the important of geological exploration
One of method.
Complete opening wall imaging system collection image after, it is necessary to the image of collection is spliced to obtain complete image, it is necessary to
The image of splicing may have lap, and directly carrying out splicing will lead to not obtain complete image, find at present overlapping
Method be generally basede on the matching of area and the matching of line segment, pass through scale invariant feature and change SIFT algorithms and carry out characteristic point
Find or find characteristic point using the method for error image matching so as to find overlay chart picture, amount of calculation is very big so that
Image mosaic efficiency is very low.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of image split-joint method and system, can efficiently by
The image mosaic that complete opening wall imaging system collects is into complete image.
To achieve the above object, it is described applied to complete opening wall imaging system the invention provides a kind of image split-joint method
Method includes：
Obtain the image for needing to be spliced；
Described image is modified；
The overlapping region scope for determining adjacent picture according to testing the speed；
Described image is merged according to the overlapping region scope using the method for linear fusion.
Preferably, described image is modified including：
Described image is converted into 128~512 color bitmaps.
Preferably, described image is modified including：
Equalization processing is carried out to described image.
Preferably, carrying out equalization processing to described image includes：
Described image is converted into character matrix；
The character matrix that described image is changed into is multiplied by corresponding matrix and obtains matrix of consequence；
The matrix of consequence is converted into image.
Present invention also offers a kind of image mosaic system, including：
Image collection module, for obtaining the image for needing to be spliced；
Image modification module, for being modified to described image；
Overlapping searching module, for the overlapping region scope for determining adjacent picture according to testing the speed；
Image co-registration module, described image is carried out according to the overlapping region scope for the method using linear fusion
Fusion.
Preferably, described image correcting module includes：
First conversion module, for described image to be converted into 128~512 color bitmaps.
Preferably, described image correcting module also includes：
Image equalization module, for carrying out equalization processing to described image.
Preferably, described image balance module includes：
Second conversion module, for described image to be converted into character matrix；
Matrix disposal module, the character matrix for described image to be changed into are multiplied by corresponding matrix and obtain result square
Battle array；
3rd conversion module, for the matrix of consequence to be converted into image.
Using image split-joint method provided by the invention and system, after image is modified, before constant speed measure
Carry and determine the overlapping region scope of adjacent picture according to testing the speed, recycle the method for linear fusion according to the overlapping region model
The splicing for carrying out image co-registration completion to image is enclosed, is arrived when finding picture registration region by the feature fast searching of constant speed measure
Characteristic value carries out image co-registration, and amount of calculation is small, picture splicing efficiency high, and has carried out image correction, using linear fusion, image
Splicing effect is more preferable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the flow chart of image split-joint method of the present invention；
Fig. 2 is the design sketch of a specific embodiment of the invention；
Fig. 3 is the specific steps flow chart of image split-joint method of the present invention；
Fig. 4 is the structural representation of image mosaic system of the present invention；
Fig. 5 is the detailed construction schematic diagram of image mosaic system of the present invention；
Fig. 6 is the detailed construction schematic diagram of image mosaic system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The invention provides a kind of image split-joint method, applied to complete opening wall imaging system, as shown in figure 1, being the present invention
The flow chart of image split-joint method embodiment, including：
Step S101：Obtain the image for needing to be spliced；
The image that general complete opening wall imaging system collects all is jpg format-patterns, reads the jpg lattice for needing to be spliced
Formula image.
Step S102：Described image is modified；
Image is modified, the jpg format-patterns of 24 are such as converted into 256 color bitmaps, image is homogenized
Processing etc..
Step S103：The overlapping region scope for determining adjacent picture according to testing the speed；
For the characteristic value of fast searching overlaying graphics, the feature in measurement process being constant speed measure, i.e., every figure are utilized
Under conditions of piece sample range is constant, by experiment calculate, when test the speed for s when, single picture is overlapping with front and rear two pictures
Regional extent λ, as shown in Fig. 2 being two image overlapping region schematic diagrames.
Step S104：Described image is merged according to the overlapping region scope using the method for linear fusion.
By the use of convex functional curves as operator is merged when carrying out image co-registration in the past, splicing vestige is more obvious, by right
Than good effect can be reached using linear function or concave function fusion operator, the effect obtained using the method for linear fusion
Preferably, the vestige at image mosaic is made substantially to mitigate, I=k*I1+ (1-k) * I2.
The image split-joint method provided using the present embodiment, after image is modified, utilize the premise root of constant speed measure
The overlapping region scope of adjacent picture is determined according to testing the speed, recycles the method for linear fusion to be entered according to the overlapping region scope
Row image co-registration completes the splicing to image, by the feature fast searching that constant speed determines to feature when finding picture registration region
Value carries out image co-registration, and amount of calculation is small, picture splicing efficiency high, and has carried out image correction, using linear fusion, image mosaic
Effect is more preferable.
As shown in figure 3, to carry out the flow chart of equalization processing to image, including：
Step S201：Described image is converted into character matrix；
Step S202：The character matrix that described image is changed into is multiplied by corresponding matrix and obtains matrix of consequence；
Step S203：The matrix of consequence is converted into image.
Why conventional image has shutter effect to be largely because when sampling per pictures, and light is strong up and down
Spend it is uneven caused by, bright intensity above and below balanced picture can be reached with homography by the Matrix Multiplication for changing into image
Purpose, after being picture splicing fusion lays a solid foundation.
Present invention also offers a kind of image mosaic system, as shown in figure 4, including：
Image collection module 101, for obtaining the image for needing to be spliced；
Image modification module 102, for being modified to described image；
Overlapping searching module 103, for the overlapping region scope for determining adjacent picture according to testing the speed；
Image co-registration module 104, for the method using linear fusion according to the overlapping region scope to described image
Merged.
The image mosaic system provided using the present embodiment, after image is modified, utilize the premise root of constant speed measure
The overlapping region scope of adjacent picture is determined according to testing the speed, recycles the method for linear fusion to be entered according to the overlapping region scope
Row image co-registration completes the splicing to image, by the feature fast searching that constant speed determines to feature when finding picture registration region
Value carries out image co-registration, and amount of calculation is small, picture splicing efficiency high, and has carried out image correction, using linear fusion, image mosaic
Effect is more preferable.
As shown in figure 5, corresponding to Fig. 4, described image correcting module 102 specifically includes：
First conversion module 201, for described image to be converted into 128~512 color bitmaps；
Image equalization module 202, for carrying out equalization processing to described image.
As shown in fig. 6, corresponding to Fig. 5, described image balance module 202 specifically includes：
Second conversion module 301, for described image to be converted into character matrix；
Matrix disposal module 302, the character matrix for described image to be changed into are multiplied by corresponding matrix and obtain result
Matrix；
3rd conversion module 303, for the matrix of consequence to be converted into image.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to method
The part explanation of embodiment.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Image split-joint method provided by the present invention and system are described in detail above, it is used herein specifically
Individual example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands the present invention
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, it is being embodied
There will be changes in mode and application, in summary, this specification content should not be construed as limiting the invention.
Claims (4)
1. a kind of image split-joint method, it is characterised in that applied to complete opening wall imaging system, methods described includes：
Obtain the image for needing to be spliced；
Described image is modified；Wherein, the process being modified to described image includes carrying out described image
Weighing apparatusization processing；
Using the mode of constant speed measure come the overlapping region scope according to the determination adjacent picture that tests the speed；
Described image is merged according to the overlapping region scope using the method for linear fusion；
Wherein, the process that equalization processing is carried out to described image, is specifically included：
Described image is converted into character matrix；The character matrix that described image is changed into is multiplied by corresponding matrix and obtains result
Matrix；The matrix of consequence is converted into image.
2. image split-joint method according to claim 1, it is characterised in that described image is modified including：
Described image is converted into 128~512 color bitmaps.
A kind of 3. image mosaic system, it is characterised in that including：
Image collection module, for obtaining the image for needing to be spliced；
Image modification module, for being modified to described image；
Overlapping searching module, the mode for being determined using constant speed is tested the speed come basis determines the overlapping region scope of adjacent picture；
Image co-registration module, described image is melted according to the overlapping region scope for the method using linear fusion
Close；
Wherein, described image correcting module also includes：
Image equalization module, for carrying out equalization processing to described image；
Specifically, described image balance module includes：
Second conversion module, for described image to be converted into character matrix；
Matrix disposal module, the character matrix for described image to be changed into are multiplied by corresponding matrix and obtain matrix of consequence；
3rd conversion module, for the matrix of consequence to be converted into image.
4. image mosaic system according to claim 3, it is characterised in that described image correcting module includes：
First conversion module, for described image to be converted into 128~512 color bitmaps.
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| CN201410762638.9A CN104376531B (en) | 2014-12-11 | 2014-12-11 | A kind of image split-joint method and system |
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| WO2017075779A1 (en) | 2015-11-05 | 2017-05-11 | 华为技术有限公司 | Image stitching method and electronic device therefor |
| CN105488761B (en) * | 2015-12-29 | 2019-03-26 | 北京金山安全软件有限公司 | Processing method and device for spliced pictures |
| CN108111746A (en) * | 2016-11-25 | 2018-06-01 | 努比亚技术有限公司 | A kind of method and apparatus for realizing pan-shot |
| CN106780396B (en) * | 2016-12-30 | 2020-01-10 | 上海集成电路研发中心有限公司 | Method for eliminating image seam |
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Address after: 400033 half street, Shapingba District, Chongqing, No. 2 Patentee after: Zhong di (Chongqing) Geological Instrument Co., Ltd. Address before: 400033 half street, Shapingba District, Chongqing, No. 2 Patentee before: Chongqing Geological Instrument Factory |
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