CN103645871A - Method and system for dynamically displaying local area image - Google Patents

Method and system for dynamically displaying local area image Download PDF

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Publication number
CN103645871A
CN103645871A CN201310649064.XA CN201310649064A CN103645871A CN 103645871 A CN103645871 A CN 103645871A CN 201310649064 A CN201310649064 A CN 201310649064A CN 103645871 A CN103645871 A CN 103645871A
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image
regional area
mouse
area image
full images
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CN103645871B (en
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刘颖佳
刘念林
李汶隆
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Sichuan Jiuzhou Investment Holding Group Co.,Ltd.
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Sichuan Jiuzhou Electric Group Co Ltd
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Abstract

The invention relates to the technical field of image processing, and discloses a method for dynamically displaying a local area image. The method for dynamically displaying the local area image comprises the steps that firstly, a client terminal receives full-image data from a data base and reads the full-image data into a distributed internal storage; secondly, the length and width of a full image are obtained, the full-image data are shrunk to have the length and width equal to those of a dialog box in an interface of the client terminal, and the shrunk image of the full image is displayed in the dialog box; thirdly, a user uses a mouse to point to the position which is located in the dialog box and the shrunk image hopes to amplify, the local area image, corresponding to the position, in the full image is computed according to the position to which the mouse points, the local area image is displayed at the appointed position through a display frame, when the mouse moves, the local area image in the display frame changes adaptively along with the moving of the mouse, and the display frame dynamically displays a clear image of the local area along with the moving of the mouse. The local area image can be dynamically displayed without an encoder.

Description

A kind of method and system of dynamic demonstration regional area image
Technical field
The invention belongs to technical field of image processing, relate in particular to a kind of method and system of dynamic demonstration regional area image.
Background technology
In field of video monitoring, the amount of images of collection is many, and resolution is high, generally can be stored in and in database, do unified management.Simultaneously, user is many times only interested in the regional area of the image collecting, such as key monitoring regions such as license plate number, people's faces, and wish to demonstrate clearly interested region, at this moment just need this area image clearly to show, and for the image in all the other regions of efficiency of assurance system operation can not need so clearly, only need magnifying local region image.
In prior art, enlarged image generally adopts: (1) physics amplifies, and by The Cloud Terrace adjustment optical parametric, thereby realize physics, amplifies.(2) numeral is amplified, and scrambler sends to client by image, by client, image is processed, and realizes and amplifying.Scrambler, when image is sent to client, has carried out compression of images (the change information minimizing of image, colouring information distortion), and afterwards, client is amplified demonstration to the image after compressing, and obviously amplification effect is bad.
And if realize regional area amplification, its conventional way is to receive the positional information from the image of client by scrambler, by scrambler, this area image is carried out to image processing again, thereby reach zooming effect, then send to client to show its amplification and the image that dwindles.
Summary of the invention
The object of the invention is need to image, carry out convergent-divergent by scrambler for the method for magnifying local region image in prior art, power consumption is large, process is complicated, and can not realize dynamic demonstration regional area image, can not facilitate user to check area-of-interest, for these technical matterss, the invention discloses a kind of method of dynamic demonstration regional area image.The invention also discloses the system that realizes of the method for this dynamic demonstration regional area image.
Object of the present invention realizes by following technical proposals:
A method for dynamic demonstration regional area image, it specifically comprises the following steps: that step 1, client are from the full images data of database, and is read in the internal memory of distribution, and points to this full images data with image object pointer; Step 2, according to the function that obtains of image object pointer, obtain the length of full images and wide, and according to the length of dialog box in client end interface and wide, full images data are narrowed down to the length of dialog box in client end interface and wide, in dialog box, show the downscaled images of full images; Step 3, user wish the position of amplifying by downscaled images in mouse-pointing dialog box, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address; When mouse moves, the regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.
Further, the above-mentioned detailed process according to this position of mouse indication position calculation corresponding regional area image in full images is: full images width is Width, be highly Height, take the upper left corner of dialog box is true origin, mouse coordinates is (x, y), the width of dialog box is Width0, be highly Height0, the width of display box is M, be highly N, thereby draw the upper left corner coordinate (Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-M/2, Height*y/Height0-N/2), lower right corner coordinate (the Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+M/2, Height*y/Height0+N/2).
Further, above-mentioned M=Width0/2, during N=Height0/2, upper left corner coordinate (the Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-Width0/4, Height*y/Height0-Height0/4), the lower right corner coordinate (Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+Width0/4, Height*y/Height0+Height0/4).
Further, said method also comprises abnormal deterministic process, and its concrete steps are as follows: if Left<0, Left=0, Right=Width0/2; If Right>Width, Left=Width-Width0/2, Right=Width; If Top<0, Top=0, Bottom=Height0/2; If Bottom>Height, Top=Height-Height0/2, Bottom=Height.By said method, avoid occurring abnormal or wrong demonstration.
Further, above-mentioned display box dynamically shows in the lower right corner of downscaled images.
Further, the full images in above-mentioned database is stored with binary form, and the mode that these full images data are flowed by establishment is kept in internal memory.
The invention also discloses a kind of system that realizes of dynamic demonstration regional area image method, it specifically comprises client and database, described client is for dynamically showing regional area image, described database is used for storing full images, described client comprises image receiver module, image memory module, image object pointer, interface display module and display box display module, described image receiver module is used for receiving the full images data from database, and by image memory module, is read in the internal memory of distribution; Described image object pointer is used in reference to these full images data, and obtains the length of full images and wide according to the function that obtains of image object pointer; Described interface display module is for according to the length of client end interface dialog box and wide, and full images data are narrowed down to the length of dialog box in client end interface and wide, shows the downscaled images of full images in dialog box; Described display box module is for when user wishes the position of amplification by mouse-pointing dialog box downscaled images, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address, when mouse moves, regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.
Further, above-mentioned interface display module is used for according to user's the size that need to adjust dialog box.The length of dialog box and wide can variation along with user's setting, thus cause that the scale down of image changes.
By adopting above technical scheme, the present invention has following beneficial effect: the picture rich in detail that shows mouse-pointing position by display box is set, movement along with mouse, image in display box correspondingly changes, thereby make it possible to dynamically clearly show the regional area in image, met user's requirement, realization is not having under the environment of scrambler, just can carry out convergent-divergent to image, dynamically show the enlarged image of regional area, thereby reach, raise the efficiency, facilitate user to check the object of enlarged image.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for dynamic demonstration regional area image of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with Figure of description and specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The process flow diagram of the method for of the present invention dynamic demonstration regional area image as shown in Figure 1.The invention discloses a kind of method of dynamic demonstration regional area image, it specifically comprises the following steps: that step 1, client are from the full images data of database, and is read in the internal memory of distribution; Full images data in database are generally with binary form storage, and the mode that these full images data can be flowed by establishment is kept in internal memory; And point to this full images data with image object pointer.Step 2, according to the function that obtains of image object pointer, obtain the length of full images and wide, and according to the length of dialog box in client end interface and wide, full images data are narrowed down to the length of dialog box in client end interface and wide, in dialog box, show the downscaled images of full images.Step 3, user wish the position of amplifying by downscaled images in mouse-pointing dialog box, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address; When mouse moves, the regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.The picture rich in detail that shows mouse-pointing position by display box is set, movement along with mouse, image in display box correspondingly changes, thereby make it possible to dynamically clearly show the regional area in image, met user's requirement, realize and not having under the environment of scrambler, just can carry out convergent-divergent to image, dynamically show the enlarged image of regional area, thereby reach, raise the efficiency, facilitate user to check the object of enlarged image.
Further, the above-mentioned detailed process according to this position of mouse indication position calculation corresponding regional area image in full images is: full images width is Width, be highly Height, take the upper left corner of dialog box is true origin, mouse coordinates is (x, y), the width of dialog box is Width0, be highly Height0, the size of display box can be set as required arbitrarily, its width is M, be highly N, such as width is Width0/2, be highly Height0/2, thereby draw the upper left corner coordinate (Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-M/2, Height*y/Height0-N/2), lower right corner coordinate (the Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+ M/2, Height*y/Height0+ N/2).When the width of display box is Width0/2, while being highly Height0/2, upper left corner coordinate (the Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-Width0/4, Height*y/Height0-Height0/4), the lower right corner coordinate (Right, Bottom) of mouse-pointing position corresponding regional area image in full images is (Width*x/Width0+Width0/4, Height*y/Height0+Height0/4).By such mode, find out fast the regional area image of mouse position correspondence in full images, thereby clearly illustrate, convenient for users to use.Take the upper left corner of dialog box is true origin, and mouse coordinates is (x, y), and wherein design x, the y of amenable to process language are all greater than 0.
Further, two coordinates in the upper left corner calculating sometimes and the lower right corner may exceed normal span, therefore also need to judge, said method also comprises abnormal deterministic process, its concrete steps are as follows: if Left<0, Left=0, Right=Width0/2; If Right>Width, Left=Width-Width0/2, Right=Width; If Top<0, Top=0, Bottom=Height0/2; If Bottom>Height, Top=Height-Height0/2, Bottom=Height.By said method, avoid occurring abnormal or wrong demonstration.
Further, above-mentioned display box dynamically shows in the lower right corner of downscaled images./ 4th regions that described lower right corner coverage is whole downscaled images.Can calling graph as the drawing function of pointer to object, at assigned address, show regional area image, this regional area image is by along with the movement of mouse in downscaled images constantly changes.Thereby realize dynamically, show.
The invention also discloses a kind of system that realizes of dynamic demonstration regional area image method, it specifically comprises client and database, described client is for dynamically showing regional area image, described database is used for storing full images, described client comprises image receiver module, image memory module, image object pointer, interface display module and display box display module, described image receiver module is used for receiving the full images data from database, and by image memory module, is read in the internal memory of distribution; Described image object pointer is used in reference to these full images data, and obtains the length of full images and wide according to the function that obtains of image object pointer; Described interface display module is for according to the length of client end interface dialog box and wide, and full images data are narrowed down to the length of dialog box in client end interface and wide, shows the downscaled images of full images in dialog box; Described display box module is for when user wishes the position of amplification by mouse-pointing dialog box downscaled images, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address, when mouse moves, regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.The picture rich in detail that shows mouse-pointing position by display box is set, movement along with mouse, image in display box correspondingly changes, thereby make it possible to dynamically clearly show the regional area in image, met user's requirement, realize and not having under the environment of scrambler, just can carry out convergent-divergent to image, dynamically show the enlarged image of regional area, thereby reach, raise the efficiency, facilitate user to check the object of enlarged image.
Further, the above-mentioned detailed process according to this position of mouse indication position calculation corresponding regional area image in full images is: full images width is Width, be highly Height, take the upper left corner of dialog box is true origin, mouse coordinates is (x, y), the width of dialog box is Width0, be highly Height0, the size of display box can be set as required arbitrarily, its width is M, be highly N, such as width is Width0/2, be highly Height0/2, thereby draw the upper left corner coordinate (Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-M/2, Height*y/Height0-N/2), lower right corner coordinate (the Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+M/2, Height*y/Height0+N/2).When the width of display box is Width0/2, while being highly Height0/2, upper left corner coordinate (the Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-Width0/4, Height*y/Height0-Height0/4), the lower right corner coordinate (Right, Bottom) of mouse-pointing position corresponding regional area image in full images is (Width*x/Width0+Width0/4, Height*y/Height0+Height0/4).By such mode, find out fast the regional area image of mouse position correspondence in full images, thereby clearly illustrate, convenient for users to use.Take the upper left corner of dialog box is true origin, and mouse coordinates is (x, y), and wherein design x, the y of amenable to process language are all greater than 0.
Further, two coordinates in the upper left corner calculating sometimes and the lower right corner may exceed normal span, therefore also need to judge, said system also comprises abnormal judge module, its concrete deterministic process is as follows: if Left<0, Left=0, Right=Width0/2; If Right>Width, Left=Width-Width0/2, Right=Width; If Top<0, Top=0, Bottom=Height0/2; If Bottom>Height, Top=Height-Height0/2, Bottom=Height.By said method, avoid occurring abnormal or wrong demonstration.
Further, above-mentioned display box dynamically shows in the lower right corner of downscaled images./ 4th regions that described lower right corner coverage is whole downscaled images.Can calling graph as the drawing function of pointer to object, at assigned address, show regional area image, this regional area image, by along with the movement of mouse in downscaled images constantly changes, shows thereby realize dynamically.
Given coefficient and parameter in the above embodiments; be to provide to those skilled in the art and realize or use of the present invention; the present invention does not limit and only gets aforementioned disclosed numerical value; without departing from the present invention in the case of the inventive idea; those skilled in the art can make various modifications or adjustment to above-described embodiment; thereby protection scope of the present invention do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.

Claims (8)

1. dynamically show a method for regional area image, it specifically comprises the following steps: that step 1, client are from the full images data of database, and is read in the internal memory of distribution, and points to this full images data with image object pointer; Step 2, according to the function that obtains of image object pointer, obtain the length of full images and wide, and according to the length of dialog box in client end interface and wide, full images data are narrowed down to the length of dialog box in client end interface and wide, in dialog box, show the downscaled images of full images; Step 3, user wish the position of amplifying by downscaled images in mouse-pointing dialog box, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address; When mouse moves, the regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.
2. the method for dynamic demonstration regional area image as claimed in claim 1, it is characterized in that the described detailed process according to this position of mouse indication position calculation corresponding regional area image in full images is: full images width is Width, be highly Height, take the upper left corner of dialog box is true origin, mouse coordinates is (x, y), the width of dialog box is Width0, be highly Height0, the width of display box is M, be highly N, thereby draw the upper left corner coordinate (Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-M/2, Height*y/Height0-N/2), lower right corner coordinate (the Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+M/2, Height*y/Height0+N/2).
3. the method for dynamic demonstration regional area image as claimed in claim 2, it is characterized in that described M=Width0/2, during N=Height0/2, upper left corner coordinate (the Left of mouse-pointing position corresponding regional area image in full images, Top) be (Width*x/Width0-Width0/4, Height*y/Height0-Height0/4), lower right corner coordinate (the Right of mouse-pointing position corresponding regional area image in full images, Bottom) be (Width*x/Width0+Width0/4, Height*y/Height0+Height0/4).
4. the method for dynamic demonstration regional area image as claimed in claim 3, is characterized in that said method also comprises abnormal deterministic process, and its concrete steps are as follows: if Left<0, Left=0, Right=Width0/2; If Right>Width, Left=Width-Width0/2, Right=Width; If Top<0, Top=0, Bottom=Height0/2; If Bottom>Height, Top=Height-Height0/2, Bottom=Height.
5. the method for dynamic demonstration regional area image as claimed in claim 4, is characterized in that described display box dynamically shows in the lower right corner of downscaled images.
6. the method for dynamic demonstration regional area image as claimed in claim 5, is characterized in that the full images in described database is stored with binary form, and the mode that these full images data are flowed by establishment is kept in internal memory.
7. the system that realizes that dynamically shows regional area image method, it is characterized in that specifically comprising client and database, described client is for dynamically showing regional area image, described database is used for storing full images, described client comprises image receiver module, image memory module, image object pointer, interface display module and display box display module, described image receiver module is used for receiving the full images data from database, and by image memory module, is read in the internal memory of distribution; Described image object pointer is used in reference to these full images data, and obtains the length of full images and wide according to the function that obtains of image object pointer; Described interface display module is for according to the length of client end interface dialog box and wide, and full images data are narrowed down to the length of dialog box in client end interface and wide, shows the downscaled images of full images in dialog box; Described display box module is for when user wishes the position of amplification by mouse-pointing dialog box downscaled images, according to the regional area image of this position of mouse indication position calculation correspondence in full images, and this regional area image is shown by display box at assigned address, when mouse moves, regional area image in display box carries out adaptive change along with moving of mouse, along with the mobile display frame of mouse dynamically shows the picture rich in detail of regional area.
8. the system that realizes of dynamic demonstration regional area image method as claimed in claim 7, is characterized in that described interface display module is for according to user's the size that need to adjust dialog box.
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