CN204442557U - A kind of device non-uniform movement object being carried out to standardized images collection - Google Patents
A kind of device non-uniform movement object being carried out to standardized images collection Download PDFInfo
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- CN204442557U CN204442557U CN201520141747.9U CN201520141747U CN204442557U CN 204442557 U CN204442557 U CN 204442557U CN 201520141747 U CN201520141747 U CN 201520141747U CN 204442557 U CN204442557 U CN 204442557U
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- linear array
- ccd camera
- array ccd
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- camera
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Abstract
The utility model discloses a kind of device non-uniform movement object being carried out to standardized images collection, extending in the region of a segment distance toward side using the camera site of three-linear array CCD camera as starting position, by the laser sensor of spaced set, this Region Segmentation is become multiple equal interval; Focussing three-linear array CCD camera according to laser sensor spacing and three-linear array CCD camera and the distance of the body surface by this region, make the areas imaging of three-linear array CCD camera equal the spacing of laser sensor; Utilize moving object by blocking laser transducer and the image of the signal controlling three-linear array CCD camera interim acquisition moving object produced successively during this region, and by this image data transmission to computer to form continuous unremitting standard picture.The utility model is easy to operation, utilizes laser sensor directly to trigger three line scanner camera and takes, and does not need the filming frequency regulating camera, can effectively avoid drain sweep phenomenon.
Description
Technical field
The utility model relates to image scanning techniques field, and one can realize standardized image-pickup method and device to non-uniform movement object specifically.
Background technology
Single line array camera only gathers the image information of a line at every turn, and only when object uniform motion, the image that guarantee single line array camera collects there will not be error.And object cannot ensure it is uniform motion always, therefore can only by external equipment, as installed encoder in the rotating shaft of moving object, can Real-time Collection speed, adjust filming frequency in real time.But also have equipment component cannot be properly mounted in moving object, also just cannot adjust filming frequency in real time, cause the distortion that the image collected has stretching or compresses.
In the prior art, as the automobile of line-scan digital camera to motion proposed in the utility model patent CN103439752A that announces on December 11st, 2013 based on ground induction coil carries out image taking, its change utilizing sports car to be produced by ground induction coil produces triggering signal, by calculating the ground induction coil triggering signal time difference equidistantly laid, and compared with the normal time difference, the filming frequency of dynamic calculation and adjustment camera.But sports car cannot ensure it is uniform speed motion state between two coil pickoffs always, and the filming frequency of dynamic conditioning just can only realize at the next ground induction coil of triggering, and the image therefore taken there will be error.Utilize single line array camera, a line image can only be taken at every turn, in shooting process, due to cannot constant airspeed be ensured, drain sweep phenomenon may be occurred, be unfavorable for post-processed.Meanwhile, utilize sports car applied pressure to trigger, limit operation strategies, can only wheel be applied to and the object of ground induction coil can be acted directly on.Again because ground induction coil is embedded in underground, cannot ensure that the depth that it is buried underground is identical identical with covering density above ground induction coil, cause the stress surface of each ground induction coil different.Even if therefore equidistant between ground induction coil, it is equally spaced for also cannot ensureing that each ground induction coil triggers spacing.
Utility model content
The technical problem that the utility model solves is to provide a kind of method and the device that can carry out standardized images collection to non-uniform movement object.The method is easy to operation, the realization moving object that is taken is separated with laser sensor, the spacing utilizing laser sensor can ensure at every turn to trigger camera is equal to, the three line scanner camera adopted, add and look wide, the signal that laser sensor produces directly triggers three line scanner camera and takes, method for simplifying, do not need the filming frequency regulating camera, can effectively avoid drain sweep phenomenon.
The utility model realizes by the following technical solutions for solving the problems of the technologies described above: a kind of method of non-uniform movement object being carried out to standardized images collection, extending in the region of a segment distance toward side using the camera site of three-linear array CCD camera as starting position, by the laser sensor of spaced set, this Region Segmentation is become multiple equal interval; Focussing three-linear array CCD camera according to laser sensor spacing and three-linear array CCD camera and the distance of the body surface by this region, make the areas imaging of three-linear array CCD camera equal the spacing of laser sensor; Utilize moving object by blocking laser transducer and the image of the signal controlling three-linear array CCD camera interim acquisition moving object produced successively during this region, and by this image data transmission to computer to form continuous unremitting standard picture.
Described three-linear array CCD camera with equaled by the distance d of the body surface in described region
, wherein f is the focal length of three-linear array CCD camera, and s is the spacing of laser sensor, and u is imaging sensor pixel dimension.
Total distance between the laser sensor arranged is not less than the length of tested moving object.
A kind of device that can carry out standardized images collection to moving object, comprise the three-linear array CCD camera of the image information for gathering moving object, for the computer that the image information receiving moving object also shows, three-linear array CCD camera communicates with computer bidirectional, be provided with in the one section of region being original position with the camera site of three-linear array CCD camera and be equidistantly arranged with multiple laser sensor, spacing between laser sensor is equal with the areas imaging of three-linear array CCD camera, described multiple laser sensors are all connected to data acquisition card, the signal of the laser sensor that signals collecting card docking receives processes, and the signal data after process is transferred to computer.
The beneficial effects of the utility model are: use laser sensor, can ensure that each spacing triggered is identical, use three-linear array CCD camera, increase is looked wide, and sensor signal directly triggers shooting, method for simplifying, do not need to regulate filming frequency, can effectively avoid drain sweep phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1, moving object, 2, laser sensor, 3, data acquisition card, 4, computer, 5, three-linear array CCD camera.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As a kind of execution mode of the present utility model, consult Fig. 1, comprise the three-linear array CCD camera 5 of the image information for gathering moving object, for the computer 4 that the image information receiving moving object also shows, three-linear array CCD camera 5 and computer 4 two-way communication, be provided with in the one section of region being original position with the camera site of three-linear array CCD camera 5 and be equidistantly arranged with multiple laser sensor 2, spacing between laser sensor 2 is equal with the areas imaging of three-linear array CCD camera 5, described multiple laser sensors 2 are all connected to data acquisition card 3, the signal of data acquisition card 3 to the laser sensor 2 received processes, and the signal data after process is transferred to computer 4.
The method that this device carries out standardized images collection to non-uniform movement object is as follows: extending in the region of a segment distance toward side using the camera site of three-linear array CCD camera as starting position, by the laser sensor of spaced set, this Region Segmentation is become multiple equal interval; Focussing three-linear array CCD camera according to laser sensor spacing and three-linear array CCD camera and the distance of the body surface by this region, make the areas imaging of three-linear array CCD camera equal the spacing of laser sensor; Utilize moving object by blocking laser transducer and the image of the signal controlling three-linear array CCD camera interim acquisition moving object produced successively during this region, and by this image data transmission to computer to form continuous unremitting standard picture.
The utility model employing three-linear array CCD camera to the operation principle that standardized images harvester is carried out in moving object is: when having moving object through out-of-date, three-linear array CCD camera vertically carries out IMAQ to moving object, because moving object travels forward, cut off the light beam that sends of laser sensor successively thus trigger three-linear array CCD camera shooting.Due to the light beam parallel equidistant that laser sensor sends, the camera lens of three-linear array CCD camera and the distance d of surface of moving object can according to beam separation s, and focal distance f, the three-linear array CCD camera imaging sensor pixel dimension u of three-linear array CCD camera determine.According to formula
can calculate the camera lens of three-linear array CCD camera and the distance d of body surface, the 3u in formula is at every turn can the maximum image height of photographic images.According to the d calculated, the spacing between three-linear array CCD camera and its camera lens is set, the image that three-linear array CCD camera is taken at every turn can cover between two laser sensor light beams look wide, the light beam sent due to laser sensor is again equally spaced, therefore, it is possible to ensure not occur drain sweep phenomenon, shoot full standard image.
The utility model is not limited to above-mentioned execution mode, and the various distortion made within the scope of the technological thought can recorded in the scope of claims and specification and accompanying drawing are all protection ranges of the present utility model.
Claims (1)
1. one kind is carried out the device of standardized images collection to non-uniform movement object, it is characterized in that: the three-linear array CCD camera (5) comprising the image information for gathering moving object, for the computer (4) that the image information receiving moving object also shows, three-linear array CCD camera (5) and computer (4) two-way communication, be provided with in the one section of region taking the camera site of three-linear array CCD camera (5) as original position and be equidistantly arranged with multiple laser sensor (2), spacing between laser sensor (2) is equal with the areas imaging of three-linear array CCD camera (5), described multiple laser sensors (2) are all connected to data acquisition card (3), the signal of data acquisition card (3) to the laser sensor received (2) processes, and the signal data after process is transferred to computer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141747.9U CN204442557U (en) | 2015-03-13 | 2015-03-13 | A kind of device non-uniform movement object being carried out to standardized images collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141747.9U CN204442557U (en) | 2015-03-13 | 2015-03-13 | A kind of device non-uniform movement object being carried out to standardized images collection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442557U true CN204442557U (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141747.9U Expired - Fee Related CN204442557U (en) | 2015-03-13 | 2015-03-13 | A kind of device non-uniform movement object being carried out to standardized images collection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442557U (en) |
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2015
- 2015-03-13 CN CN201520141747.9U patent/CN204442557U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20160313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |