CN104463886A - Processing method and device for images shot by line-scan digital camera - Google Patents
Processing method and device for images shot by line-scan digital camera Download PDFInfo
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- CN104463886A CN104463886A CN201410791120.8A CN201410791120A CN104463886A CN 104463886 A CN104463886 A CN 104463886A CN 201410791120 A CN201410791120 A CN 201410791120A CN 104463886 A CN104463886 A CN 104463886A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4038—Scaling the whole image or part thereof for image mosaicing, i.e. plane images composed of plane sub-images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
- G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/32—Indexing scheme for image data processing or generation, in general involving image mosaicing
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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 processing method and device for images shot by a line-scan digital camera. The method includes the steps of obtaining the two images which are spliced according to the shooting requirement of the line-scan digital camera, extracting feature information of the two images, conducting splicing and matching on the two images through a feather information matching method after classifying the feature information, and fusing the image obtained through splicing and matching through an image fusion method so as to obtain the final spliced image. It is thus clear that by means of the method, the splicing speed of the images shot by the line-scan digital camera is increased, and the image splicing effect of the line-scan digital camera is improved.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of disposal route and device of shooting image of line-scan digital camera.
Background technology
Based on the security consideration to train travel, and the high resolving power to image can be realized due to line-scan digital camera, high precision is taken, staff needs to arrange line-scan digital camera in orbit, train image is gathered, and then carry out fault diagnosis according to train image, but, due to the shooting feature of line-scan digital camera, the train image collected is a line, camera moves and the image of generation can be made to be bar shaped, the image collected can be bar shaped, the coincidence that the deviation that then camera apparatus itself produces can cause the train image that photographs to occur between adjacent two bar shapeds, this processes the image photographed with regard to needing, namely the image to photographing is needed to splice.
General, the disposal route of existing line-scan digital camera shooting image is by calculating side-play amount, according to side-play amount adjustment stitching position, and then realize splicing, but the method needs to calculate side-play amount, if side-play amount is excessive, calculated amount can increase, splicing speed can be comparatively slow, and the inaccurate splicing effect that also can cause of result calculating side-play amount is very poor.
Summary of the invention
The object of this invention is to provide a kind of disposal route and device of shooting image of line-scan digital camera, to realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of the shooting image of increase line array camera.
For solving the problems of the technologies described above, the invention provides a kind of disposal route of shooting image of line-scan digital camera, the method comprises:
The needs obtaining line-scan digital camera shooting carry out two images spliced;
Extract described two images characteristic information separately;
After carrying out classification process to described characteristic information, characteristic information matching process is utilized to carry out splicing coupling to described two pictures;
Adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.
Preferably, described characteristic information comprises: the gray-scale value of image and edge.
Preferably, before described two images of described extraction characteristic information separately, also comprise:
Preprocessing process is carried out to described two images.
Preferably, described to described characteristic information carry out classification process after, utilize characteristic information matching process to mate described two pictures, comprising:
Described characteristic information is classified;
Sorted characteristic information is screened;
Adopt phase correlation method, utilize the characteristic information after screening to carry out coupling splicing to described two pictures.
Preferably, described image interfusion method comprises Gauss's fusion method.
Preferably, described image interfusion method comprises weighted average method.
The present invention also provides a kind for the treatment of apparatus of shooting image of line-scan digital camera, and this device comprises:
Acquiring unit, the needs for obtaining line-scan digital camera shooting carry out two images spliced;
Extraction unit, for extracting described two images characteristic information separately;
Matching unit, after described characteristic information being carried out to classification process, utilizes characteristic information matching process to carry out splicing coupling to described two pictures;
Integrated unit, for adopting image interfusion method to be merged by the image obtained after splicing coupling, obtains final stitching image.
Preferably, described device also comprises:
Pretreatment unit, for carrying out preprocessing process to described two pictures got.
Preferably, described matching unit comprises:
Taxon, for classifying to described characteristic information;
Screening unit, for screening sorted characteristic information;
Concatenation unit, for adopting phase correlation method, utilizes the characteristic information after screening to mate described two pictures.
Preferably, described image interfusion method comprises Gauss's fusion method.
The disposal route of the shooting image of a kind of line-scan digital camera provided by the present invention and device, carry out two images spliced by the needs obtaining line-scan digital camera shooting; Extract described two images characteristic information separately; After carrying out classification process to described characteristic information, characteristic information matching process is utilized to carry out splicing coupling to described two pictures; Adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.Visible, realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The process flow diagram of the disposal route of the shooting image of a kind of line-scan digital camera that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the treating apparatus of the shooting image of a kind of line-scan digital camera that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of disposal route and device of shooting image of line-scan digital camera, to realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
The present invention program is understood better in order to make those skilled in the art person, 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 only the present invention's part embodiment, instead of whole embodiments.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.
The invention provides a kind of disposal route of shooting image of line-scan digital camera, please refer to Fig. 1, the process flow diagram of the disposal route of the shooting image of a kind of line-scan digital camera that Fig. 1 provides for the embodiment of the present invention, the method comprises:
Step S101: the needs obtaining line-scan digital camera shooting carry out two images spliced;
Step S102: extract described two images characteristic information separately;
Step S103: after carrying out classification process to described characteristic information, utilizes characteristic information matching process to carry out splicing coupling to described two pictures;
Step S104: adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.
The disposal route of the shooting image of a kind of line-scan digital camera provided by the present invention, two images spliced are carried out by the needs obtaining line-scan digital camera shooting, extract described two images characteristic information separately, after classification process is carried out to described characteristic information, characteristic information matching process is utilized to carry out splicing coupling to described two pictures, adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.Visible, realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
Preferably, described characteristic information comprises: the gray-scale value of image and edge.
Preferably, after step S101, before step S102, further comprising the steps of:
Step S201: preprocessing process is carried out to described two images.
Preferably, based on step S103: after carrying out classification process to described characteristic information, utilize characteristic information matching process to carry out splicing coupling to described two pictures, step S103 can adopt following steps to realize:
Step S301: described characteristic information is classified;
Step S302: sorted characteristic information is screened;
Step S303: adopt phase correlation method, utilizes the characteristic information after screening to carry out coupling splicing to described two pictures.
Preferably, described image interfusion method comprises Gauss's fusion method.
Preferably, described image interfusion method comprises weighted average method.
Based on preferably above, the disposal route of the shooting image of a kind of line-scan digital camera provided by the present invention, two images spliced are carried out by the needs obtaining line-scan digital camera shooting, preprocessing process is carried out to described two images, extract described two images characteristic information separately, characteristic information comprises gray-scale value and the edge of image, described characteristic information is classified, sorted characteristic information is screened, and adopt phase correlation method, utilize the characteristic information after screening to carry out coupling splicing to described two pictures.
Further, adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image; Described image interfusion method comprises Gauss's fusion method or weighted average method.Visible, realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
The invention provides a kind for the treatment of apparatus of shooting image of line-scan digital camera, please refer to Fig. 2, the structural representation of the treating apparatus of the shooting image of a kind of line-scan digital camera that Fig. 2 provides for the embodiment of the present invention, this device comprises:
Acquiring unit 101, the needs for obtaining line-scan digital camera shooting carry out two images spliced;
Extraction unit 102, for extracting described two images characteristic information separately;
Matching unit 103, after described characteristic information being carried out to classification process, utilizes characteristic information matching process to carry out splicing coupling to described two pictures;
Integrated unit 104, for adopting image interfusion method to be merged by the image obtained after splicing coupling, obtains final stitching image.
The treating apparatus of the shooting image of a kind of line-scan digital camera provided by the present invention, the needs that acquiring unit 101 obtains line-scan digital camera shooting carry out two images splicing, extraction unit 102 extracts described two images characteristic information separately, after matching unit 103 carries out classification process to described characteristic information, characteristic information matching process is utilized to carry out splicing coupling to described two pictures, integrated unit 104 adopts image interfusion method to be merged by the image obtained after splicing coupling, obtains final stitching image.Visible, this device realizes the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
Preferably, described device also comprises:
Pretreatment unit, for carrying out preprocessing process to described two pictures got.
Preferably, described matching unit 103 comprises:
Taxon, for classifying to described characteristic information;
Screening unit, for screening sorted characteristic information;
Concatenation unit, for adopting phase correlation method, utilizes the characteristic information after screening to mate described two pictures.
Preferably, described image interfusion method comprises Gauss's fusion method.
Based on preferably above, the treating apparatus of the shooting image of a kind of line-scan digital camera provided by the present invention, the needs that acquiring unit 101 obtains line-scan digital camera shooting carry out two images splicing, pretreatment unit 201 carries out preprocessing process to described two pictures got, and extraction unit 102 extracts described two images characteristic information separately.
Further, the taxon in matching unit 103 is classified to described characteristic information, and the screening unit in matching unit 103 screens sorted characteristic information; Concatenation unit in matching unit 103 adopts phase correlation method, utilizes the characteristic information after screening to mate described two pictures.
Further, integrated unit 104 adopts image interfusion method to be merged by the image obtained after splicing coupling, obtains final stitching image; Described image interfusion method comprises Gauss's fusion method, visible, and this device realizes the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
In sum, the disposal route of the shooting image of a kind of line-scan digital camera provided by the present invention, two images spliced are carried out by the needs obtaining line-scan digital camera shooting, extract described two images characteristic information separately, after classification process is carried out to described characteristic information, utilize characteristic information matching process to carry out splicing coupling to described two pictures, adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.Visible, realize the splicing speed of the shooting image improving line-scan digital camera, and the image mosaic effect of increase line array camera.
Above the disposal route of the shooting image of a kind of line-scan digital camera provided by the present invention and device are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a disposal route for the shooting image of line-scan digital camera, is characterized in that, comprising:
The needs obtaining line-scan digital camera shooting carry out two images spliced;
Extract described two images characteristic information separately;
After carrying out classification process to described characteristic information, characteristic information matching process is utilized to carry out splicing coupling to described two pictures;
Adopt image interfusion method to be merged by the image obtained after splicing coupling, obtain final stitching image.
2. the method for claim 1, is characterized in that, described characteristic information comprises: the gray-scale value of image and edge.
3. the method for claim 1, is characterized in that, before described two images of described extraction characteristic information separately, also comprises:
Preprocessing process is carried out to described two images.
4. the method for claim 1, is characterized in that, described to described characteristic information carry out classification process after, utilize characteristic information matching process to mate described two pictures, comprising:
Described characteristic information is classified;
Sorted characteristic information is screened;
Adopt phase correlation method, utilize the characteristic information after screening to carry out coupling splicing to described two pictures.
5. the method for claim 1, is characterized in that, described image interfusion method comprises Gauss's fusion method.
6. the method for claim 1, is characterized in that, described image interfusion method comprises weighted average method.
7. a treating apparatus for the shooting image of line-scan digital camera, is characterized in that, comprising:
Acquiring unit, the needs for obtaining line-scan digital camera shooting carry out two images spliced;
Extraction unit, for extracting described two images characteristic information separately;
Matching unit, after described characteristic information being carried out to classification process, utilizes characteristic information matching process to carry out splicing coupling to described two pictures;
Integrated unit, for adopting image interfusion method to be merged by the image obtained after splicing coupling, obtains final stitching image.
8. device as claimed in claim 7, it is characterized in that, described device also comprises:
Pretreatment unit, for carrying out preprocessing process to described two pictures got.
9. device as claimed in claim 7, it is characterized in that, described matching unit comprises:
Taxon, for classifying to described characteristic information;
Screening unit, for screening sorted characteristic information;
Concatenation unit, for adopting phase correlation method, utilizes the characteristic information after screening to mate described two pictures.
10. device as claimed in claim 7, it is characterized in that, described image interfusion method comprises Gauss's fusion method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410791120.8A CN104463886A (en) | 2014-12-18 | 2014-12-18 | Processing method and device for images shot by line-scan digital camera |
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| CN201410791120.8A CN104463886A (en) | 2014-12-18 | 2014-12-18 | Processing method and device for images shot by line-scan digital camera |
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| WO2017113805A1 (en) * | 2015-12-29 | 2017-07-06 | 同方威视技术股份有限公司 | Method and system for identifying train number and model, and safety check method and system |
| CN108362220A (en) * | 2018-01-19 | 2018-08-03 | 中国科学技术大学 | The method of measuring three-dimensional morphology and defects detection for printed wiring board |
| CN108717684A (en) * | 2018-04-20 | 2018-10-30 | 中南大学 | High speed horizontal mobile object image sequence joining method based on array camera and system |
| CN110969576A (en) * | 2019-11-13 | 2020-04-07 | 同济大学 | Highway pavement image splicing method based on roadside PTZ camera |
| CN110991667A (en) * | 2019-11-28 | 2020-04-10 | 中国铁道科学研究院集团有限公司 | Railway track facility abnormity identification method and system |
| CN108257090B (en) * | 2018-01-12 | 2021-03-30 | 北京航空航天大学 | High-dynamic image splicing method for airborne line-scan camera |
| CN112927131A (en) * | 2021-01-16 | 2021-06-08 | 中建三局第一建设工程有限责任公司 | Picture splicing method and device, computer equipment and storage medium |
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| CN108257090B (en) * | 2018-01-12 | 2021-03-30 | 北京航空航天大学 | High-dynamic image splicing method for airborne line-scan camera |
| CN108362220A (en) * | 2018-01-19 | 2018-08-03 | 中国科学技术大学 | The method of measuring three-dimensional morphology and defects detection for printed wiring board |
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| CN108717684B (en) * | 2018-04-20 | 2022-05-27 | 中南大学 | High-speed horizontal moving object image sequence splicing method and system based on array camera |
| CN110969576A (en) * | 2019-11-13 | 2020-04-07 | 同济大学 | Highway pavement image splicing method based on roadside PTZ camera |
| CN110991667A (en) * | 2019-11-28 | 2020-04-10 | 中国铁道科学研究院集团有限公司 | Railway track facility abnormity identification method and system |
| CN112927131A (en) * | 2021-01-16 | 2021-06-08 | 中建三局第一建设工程有限责任公司 | Picture splicing method and device, computer equipment and storage medium |
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Application publication date: 20150325 |