CN106161923A - A kind of image superposition and staged care system and method - Google Patents
A kind of image superposition and staged care system and method Download PDFInfo
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Abstract
Present invention is disclosed a kind of image superposition and staged care system and method, gather and need raw video to be processed, described raw video is converted into digitized video, described digitized video is overlapped or staged care, finally the described digital picture processed is carried out form conversion, be then communicated to display and show.The present invention compared with prior art uses integrated industrial to design, and effectively saves space.High-precision full-automatic exposes, it is not necessary to set time of exposure and camera lens parameters, the once available multiple time of exposure effect image of shooting, and can be displayed in full screen or split screen shows multiple images simultaneously, convenient observes contrast.It is also equipped with a key printing function, printable any design sketch.Solve user and obtain that preferable image is loaded down with trivial details, the later stage troublesome technical problem of manual handle sample image.
Description
Technical field
The invention belongs to digital audio-effect processing field, particularly relate to a kind of image superposition and staged care system and side
Method.
Background technology
The development of digital audio-effect processing, the technology such as bio-imaging, chemiluminescence imaging and fluorescence imaging that promote exist
Application in life science, has the chemiluminescence imaging system of more high sensitivity and data analysis function also
Gradually replace traditional Film Dosimeter, become the instrument of each laboratory indispensability relating to life science.Market
The operation of upper conventional chemical luminescence imaging system is cumbersome, and the longest, flow process is as follows: 1. open image collection soft
Part；2. wait camera cooling；3. open respective sources；4. camera preview；5. regulation lens parameters (focus on,
Aperture, distance)；6. the estimated exposure time；7. shoot and check image effect；8. according to effect amendment exposure
Time；The most again shoot and check image effect until meeting the requirements；10. preserve picture.
Secondly as different majors has different requirements, and the luminous characteristics of different object of study itself also has not
With, therefore digitized video display technique requires also to have nothing in common with each other, and the image that traditional digital cameras initially obtains,
It may not be preferable result.It is overlapped sometimes for different images, it is sometimes desirable to image is carried out point
Level display, needs the most again to show at the same window the image of different resolution (ash level), obtains preferable image
Comparatively laborious, later stage manual handle sample image is the most pretty troublesome.
In view of this, nowadays in the urgent need to a kind of image superposition of design and staged care system and method, in order to gram
Take the drawbacks described above of prior art.
Summary of the invention
The technical problem to be solved is: provide a kind of image superposition and staged care system and method,
The preferable image of solution acquisition is loaded down with trivial details, the later stage troublesome technical problem of manual handle sample image.
The present invention is by the basic material of raw video collected, according to demand after calculating and again processing, and can
Show superposition, classification and split screen image respectively, to meet the needs of user.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of image superposition and staged care system, described system includes:
Data acquisition module, gathers and needs raw video to be processed；
Analog/digital conversion module, is converted into digitized video by described raw video；
Image processing module, is overlapped described digitized video or staged care；
Image display module, carries out form conversion by the described digital picture processed, is then communicated to display
Display.
Described data acquisition module uses Single-chip Controlling parameter to arrange, automatically calculates time of exposure, a key collection
Image.
Described image processing module by described digitized video according to total GTG, classification quantity and classification multiple, from
The dynamic ranked data carrying out image calculates and the superposition of image.
It is the highest that described image display module gives up pixel in 16 images of view picture according to the accounting of invalid image data
With minimum part, it is converted into 8 bit images by remaining 16 image datas.
A kind of image superposition and hierarchical processing method, described method includes:
Data collection steps, gathers and needs raw video to be processed；
Analog/digital conversion step, is converted into digitized video by described raw video；
Image processing step, is overlapped described digitized video or staged care；
Image display step, carries out form conversion by the described digital picture processed, is then communicated to display
Display.
Described data collection steps uses Single-chip Controlling parameter to arrange, automatically calculates time of exposure, a key collection
Image.
Described image processing step by described digitized video according to total GTG, classification quantity and classification multiple, from
The dynamic ranked data carrying out image calculates and the superposition of image.
It is the highest that described image display step gives up pixel in 16 images of view picture according to the accounting of invalid image data
With minimum part, it is converted into 8 bit images by remaining 16 image datas.
The beneficial effects of the present invention is:
1, image collection is simple to operate.The present invention uses operating in a key: fully automatic exposure, a key shooting
Sample image, is automatically saved to USB flash disk, it is not necessary to set time of exposure and camera lens parameters, behaviour
Make simple, fast practical.
2, after conversion, the quality of image is high.Data conversion module of the present invention uses the transformation process improved, and removes
Insignificant image data.
3, classification display is realized.Classification display can observe directly different exposure time effect and carry out
The sample drawing that later stage processes, eliminates the sample drawing of manual switching different exposure time and manually enters
The trouble of the sample drawing that the phase processes after row, once the image of the available different ash levels of display, full
The different client of foot is actually needed.
4, possesses a key printing function, printable any design sketch.
Accompanying drawing explanation
Fig. 1 is image superposition and staged care system composition schematic diagram.
Fig. 2 is the flow chart of image superposition and hierarchical processing method.
Detailed description of the invention
Describe the preferred embodiments of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment one
Referring to Fig. 1, the gathered data of data acquisition module 11 are various image data, and the collection of image can
To obtain sample image by optical camera, infrared probe etc..Be mainly used in collection is the various of composition image
Data, including figure layer, word, pixel, ash level, brightness etc..
As a kind of implementation of the present invention, specifically, including integrated camera bellows, power supply, Digital CCD Camera,
Control and USB communicating circuit, white light, ultraviolet transmission platform, USB interface, panel computer, button, arrange
White light and ultraviolet transmission platform are sample light source；Use the control relay circuit noise reduction of band light-coupled isolation, use
The high accuracy number refrigeration CCD camera carrying cooling system improves definition.Use and arrange what CCD camera drove
Control circuit, completes the data conversion between serial ports and USB port, supports external USB flash disk；Use Single-chip Controlling
Parameter arranges, automatically calculates reasonable time of exposure, it is achieved a key shoots and can get the image of multiple exposure effect.
The most above-mentioned one-touch automatic shooting automatic exposure time (T) process is as follows:
In formula: t0 is the pre-exposure time, the gray scale array of its imaging be G, k be empirical, m=Max
(G), n=Min (G).
Further, data acquisition module uses Digital CCD Camera, technical grade black-white CCD collected by camera
Image data is the luma data of 16, i.e. represents the light levels of collected sample by numeral 0 to 65535.
Compare the colour imaging camera of civil, although given up color representation power, but details more can be captured.
The image collected if analog image, is then converted into numeral shadow by analog/digital conversion module 12
Picture, and by the various data of composition image, transfer numeral to including figure layer, word, pixel, ash level, brightness etc.
Signal stores.
Digitized video by data line transfer to image processing module 13, according to actual needs, be overlapped or
Staged care.
Specifically, superposition or staged care are realized by split screen process, by user determine total GTG, point
Number of stages and classification multiple, the ranked data the most automatically carrying out image calculates and display, and the superposition of image.
Specifically, classification and the overlap-add procedure of image includes:
1, determine minimum effectively GTG: all pixels of traversal image, find out more than 0 and less than 2^16
GTG in minimum.
2, maximum display GTG: MAX=USERMAX* (L-1) the * M of every classification image is determined.
3, image superposition:
G3 (x, y)=g2 (x, y)-g1 (x, y)
G3, g2 and g1 are respectively the image after superposition, image 2 and image 1, x Yu y is respectively every shadow
The xth row of picture, y row pixel.
Wherein, the minimum effectively GTG of MIN=；
The user-defined maximum display GTG of USERMAX=；
The maximum gray that MAX=changes according to the concrete classification number being graded image；
L=progression；
M=classification multiple；
After the superposition, staged care of image processing module 13, enter image display module 14.First to place
The image managed carries out the conversion of figure place, then through data wire, the image data after conversion is passed to display and shows
Show.
In factor data acquisition module, the image data of CCD camera collection is the luma data of 16, and common
Colour liquid crystal display device is only able to display 256 grey-scale range, the namely grey-tone image of 8.Based on this, adopt
Change by a kind of method determining interval.An invalid image data is drawn according to substantial amounts of experimental data
Accounting, and give up part the brightest and the darkest in 16 images of view picture according to ratio, to guarantee most important
16 image datas are converted into 8 image displays out.
Wherein, the grey decision-making of certain pixel of V16=image, scope 0-(2^16-1)；
Certain pixel of V8 image grey decision-making on a display screen, scope 0-(2^8-1)；
1, set up 16 GTGs and the mapping table of 8 GTGs: mapping table [0-MIN]=0, mapping table [MIN+1～
MAX-1]=(V16 MIN* (2^8-1))/(MAX-MIN).
2, use mapping table that 16 GTGs of classification image are converted to 8 images: image pixel [V8]=reflect
Firing table [image pixel [V16]].
Further, this conversion method applies also for the image shot under available light and the shadow of shooting in camera bellows
Process as Overlapping display.
Further, image display module 14 is also equipped with a key printing function, printable any design sketch.
As a kind of implementation of the present invention, the integrated full frame touch-screen tablet computer of this module, can full frame or split screen
Show multiple images of classification or superposition simultaneously.
Being described above a kind of image superposition and the staged care system of the present invention, the present invention is disclosing above-mentioned one
While image superposition and staged care system, also disclose a kind of image superposition and hierarchical processing method.
Embodiment two
Referring to Fig. 2, the step of image superposition and hierarchical processing method includes:
Data acquisition 21, uses one-touch automatic shooting, and wherein automatic exposure process is:
1. open situation according to light source, select extremely short time of exposure one interim figure of automatic shooting；2.
All pixels in traversing graph, preserve minimum gray value to variable Min；3. in traversing graph, pixel selects gray scale
Maximum preserves to variable Max；4. calculate gray scale difference X=Max Min；5. big according to gray scale difference X value
Little different formulas of calling, calculates the automatic exposure time.
The original analog video conversion that collects is numeral through analog/digital conversion 22 after completing by data acquisition 21
Image, then according to the function selecting set, it may be judged whether needs to be overlapped or staged care 23, needs
Superposition staged care is wanted then to enter image processing 24 step, otherwise, output display raw video.
Specifically image processing and step display are:
1, determine minimum effectively GTG: all pixels of traversal image, find out more than 0 and less than 2^16
GTG in minimum.
2, maximum display GTG: MAX=USERMAX* (L-1) the * M of every classification image is determined.
3, image superposition:
G3 (x, y)=g2 (x, y)-g1 (x, y)
4, set up 16 GTGs and the mapping table of 8 GTGs: mapping table [0-MIN]=0, mapping table [MIN+1～
MAX-1]=(V16 MIN* (2^8-1))/(MAX-MIN).
5, use mapping table that 16 GTGs of classification image are converted to 8 images: image pixel [V8]=reflect
Firing table [image pixel [V16]].
Image transmission after having processed to display carries out image display, shows image after classification or superposition, and
Can be displayed in full screen or split screen shows that multiple images, convenient observation contrast simultaneously.
In sum, a kind of image superposition of present invention proposition and staged care system and method, the present invention is with existing
There is technology to compare employing integrated industrial design, effectively save space.High-precision full-automatic exposes, it is not necessary to set
Time of exposure and camera lens parameters, the once available multiple time of exposure effect image of shooting, and can full frame show
Show or split screen shows that multiple images, convenient observation contrast simultaneously.It is also equipped with a key printing function, printable any
Design sketch.Solve that the preferable image of acquisition is loaded down with trivial details, the later stage troublesome technical problem of manual handle sample image.
Here description of the invention and application is illustrative, is not wishing to limit the scope of the invention to above-mentioned reality
Execute in example.The deformation of embodiments disclosed herein and change are possible, for the common skill of those this areas
For art personnel, the various parts with equivalence of replacing of embodiment are known.It should be clear to a person skilled in the art that
, in the case of without departing from the spirit or essential characteristics of the present invention, the present invention can in other forms, knot
Structure, layout, ratio, and realize with other assembly, material and parts.Without departing from the scope of the invention and
In the case of spirit, embodiments disclosed herein can be carried out other deformation and change.
Claims (8)
1. an image superposition and staged care system, it is characterised in that described system includes:
Data acquisition module, gathers and needs raw video to be processed；
Analog/digital conversion module, is converted into digitized video by described raw video；
Image processing module, is overlapped described digitized video or staged care；
Image display module, carries out form conversion by the described digital picture processed, is then communicated to display
Display.
Image superposition the most according to claim 1 and staged care system, it is characterised in that: described data acquisition
Collection module uses Single-chip Controlling parameter to arrange, automatically calculates time of exposure, and a key gathers image.
Image superposition the most according to claim 1 and staged care system, it is characterised in that: at described image
Described digitized video according to total GTG, classification quantity and classification multiple, is carried out image by reason module automatically
Ranked data calculate and the superposition of image.
Image superposition the most according to claim 1 and staged care system, it is characterised in that: described image shows
Show that module gives up, according to the accounting of invalid image data, the portion that in 16 images of view picture, pixel is the highest and minimum
Point, it is converted into 8 bit images by remaining 16 image datas.
5. an image superposition and hierarchical processing method, it is characterised in that described method includes:
Data collection steps, gathers and needs raw video to be processed；
Analog/digital conversion step, is converted into digitized video by described raw video；
Image processing step, is overlapped described digitized video or staged care；
Image display step, carries out form conversion by the described digital picture processed, is then communicated to display
Display.
Image superposition the most according to claim 5 and hierarchical processing method, it is characterised in that: described data acquisition
Collection step uses Single-chip Controlling parameter to arrange, automatically calculates time of exposure, and a key gathers image.
Image superposition the most according to claim 5 and hierarchical processing method, it is characterised in that: at described image
Described digitized video according to total GTG, classification quantity and classification multiple, is carried out image by reason step automatically
Ranked data calculate and the superposition of image.
Image superposition the most according to claim 5 and hierarchical processing method, it is characterised in that: described image shows
Show that step gives up, according to the accounting of invalid image data, the portion that in 16 images of view picture, pixel is the highest and minimum
Point, it is converted into 8 bit images by remaining 16 image datas.
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