CN105609087A - Method for processing image for image scaler - Google Patents
Method for processing image for image scaler Download PDFInfo
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- CN105609087A CN105609087A CN201510972510.XA CN201510972510A CN105609087A CN 105609087 A CN105609087 A CN 105609087A CN 201510972510 A CN201510972510 A CN 201510972510A CN 105609087 A CN105609087 A CN 105609087A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/37—Details of the operation on graphic patterns
- G09G5/373—Details of the operation on graphic patterns for modifying the size of the graphic pattern
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
Abstract
The invention discloses a method for processing image for an image scaler, the method comprises the steps: a resolution of an input image is identified, when width or height of the input image resolution is greater than a width and height restriction of the image scaler processing input image, the input image is divided and zoomed out, and the processed input image is completely outputted to an internal storage; when an output of the image scaler is greater than an output image with width and height restriction of the image resolution of the image scaler processing, the output image is divided and zoomed in, and the output image is completely outputted to the internal storage. According to the invention, the method overcomes the inherent restriction of the image scaler itself, an expected output image size requirement of a user is fully met, a effective method is provided for satisfying the image zooming process in the high resolution field such as security and protection monitoring and intelligent transportation, the inputted high resolution image can be processed and outputted as an expected small resolution image, the inputted small resolution image is smoothly outputted as an expected high resolution image, the image distortion is small, and the output image is similar to the input image.
Description
Technical field
The invention belongs to the technical field of image processing, be specifically related to a kind of method of image sealer processing image.
Background technology
In intelligent transportation field, the image resolution ratio of all-in-one output is increasing, and also increases for the demand of large image in different resolution processing thereupon.
DMA(DirectionalMemoryAccess is often passed through in zooming in or out of existing image, direct memory access) copy mode realize, although the method is simple, effective, but the method is to sacrifice picture quality as cost, and direct copying inevitably causes the sense of picture material sudden change place sawtooth obvious.
Although use the image that image sealer can output smoothing, image sealer has its intrinsic restriction to the resolution ratio of input and output, is more suitable for processing the image of little resolution ratio.
Summary of the invention
The present invention is in order to overcome shortcoming of the prior art, and a kind of image sealer proposing is processed the method for image.
Technical scheme of the present invention is:
A kind of image sealer of the present invention is processed the method for image, steps of the method are:
First I identifies the resolution ratio of input picture, and relatively the resolution ratio of input picture and image sealer are processed width and the limitation in height of image, after processing, and output downscaled images or enlarged image;
II is when the width of input image resolution or when being highly greater than image sealer and processing the width of input picture and limitation in height, input picture is cut apart, again the image block after cutting apart is dwindled to processing, finally the image that dwindles processing is outputed to same internal memory, export complete downscaled images;
III is in the time that image sealer output is greater than the output image of its processing output image resolution width and limitation in height, output image is cut apart, again the image block after cutting apart is amplified to processing, finally output to same internal memory by amplifying the image of processing, export complete enlarged image.
The invention has the beneficial effects as follows:
The present invention has broken through the inherent limitations of image sealer self, fully meet the requirement of user to expection output image size, for the convergent-divergent processing that meets image in the large resolution ratio such as safety monitoring and intelligent transportation field provides a kind of effective method, realize the little image in different resolution that inputted large image in different resolution is output as after treatment to expection, the little image in different resolution of input is exported to the large image in different resolution of expection smoothly, image fault is little, approaches input picture.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the present invention to input picture processing method;
Fig. 2 is the schematic flow sheet of the present invention to output image processing method.
Detailed description of the invention
Below, with reference to drawings and Examples, technical scheme of the present invention is elaborated:
As shown in Figure 1-2, a kind of image sealer of the present invention is processed the method for image, steps of the method are:
First I identifies the resolution ratio of input picture, and relatively the resolution ratio of input picture and image sealer are processed width and the limitation in height of image, after processing, and output downscaled images or enlarged image;
II is when the width of input image resolution or when being highly greater than image sealer and processing the width of input picture and limitation in height, input picture is cut apart, again the image block after cutting apart is dwindled to processing, finally the image that dwindles processing is outputed to same internal memory, export complete downscaled images;
III is in the time that image sealer output is greater than the output image of its processing output image resolution width and limitation in height, output image is cut apart, again the image block after cutting apart is amplified to processing, finally output to same internal memory by amplifying the image of processing, export complete enlarged image.
Described image sealer is to input picture processing method, when the width of the input image resolution of input picture scaler or when being highly greater than image sealer and processing the width of input picture and limitation in height, input picture need to be dwindled, output is less than or equal to image sealer and processes the width of input picture and the downscaled images of limitation in height, and concrete steps are:
I is processed the width restriction of input picture when the width of input image resolution is greater than image sealer, and when the height of input image resolution is less than the limitation in height of image sealer processing input picture, image sealer is left and right two fabric width degree and highly identical image by input picture vertical segmentation, again two width images after cutting apart are dwindled respectively to processing, finally, by dwindling two width images corresponding left and right two parts that output to same internal memory respectively of processing, export complete downscaled images;
II is processed the limitation in height of input picture when the height of input image resolution is greater than image sealer, and when the width of input image resolution is less than the width restriction of image sealer processing input picture, input picture level is divided into upper and lower two fabric width degree and highly identical image by image sealer, again two width images after cutting apart are dwindled respectively to processing, finally, by dwindling two width images corresponding two parts up and down that output to same internal memory respectively of processing, export complete downscaled images;
III is when the width of input image resolution is when being highly all greater than image sealer and processing the width of input picture and limitation in height, input picture vertical segmentation and level are divided into upper left, lower-left, upper right and bottom right four fabric width degree and highly identical image by image sealer, again four width images after cutting apart are dwindled respectively to processing, finally, by dwindling four width images corresponding upper left, lower-left, upper right and four of the bottom rights part that outputs to same internal memory respectively of processing, export complete downscaled images.
Described image sealer is to output image processing method, when the width of the image resolution ratio of input picture scaler or be highly less than or equal to image sealer and process width and the limitation in height of output image, and while needing output to be greater than the image sealer processing width of output image and the output image of limitation in height, image is amplified, output is greater than image sealer and processes the width of output image and the enlarged image of limitation in height, and concrete steps are:
I processes when image sealer output is greater than it output image that output image resolution width limits, and when the height of output image resolution ratio is less than the limitation in height of image sealer processing output image, image sealer is left and right two fabric width degree and highly identical image by output image vertical segmentation, again two width images after cutting apart are amplified respectively to processing, finally, by amplifying two width images corresponding left and right two parts that output to same internal memory respectively of processing, export complete enlarged image;
II is worked as the output image that image sealer output is greater than its processing output image resolution ratio limitation in height, and when the width of output image resolution ratio is less than the width restriction of image sealer processing output image, output image level is divided into upper and lower two fabric width degree and highly identical image by image sealer, again two width images after cutting apart are amplified respectively to processing, finally, by amplifying two width images corresponding two parts up and down that output to same internal memory respectively of processing, export complete enlarged image;
III is in the time that image sealer output is greater than the output image of its processing output image resolution width and limitation in height, output image vertical segmentation and level are divided into upper left, lower-left, upper right and bottom right four fabric width degree and highly identical image by image sealer, again four width images after cutting apart are amplified respectively to processing, finally, by amplifying four width images corresponding upper left, lower-left, upper right and four of the bottom rights part that outputs to same internal memory respectively of processing, export complete enlarged image.
The present invention has broken through the inherent limitations of image sealer self, fully meet the requirement of user to expection output image size, for the convergent-divergent processing that meets image in the large resolution ratio such as safety monitoring and intelligent transportation field provides a kind of effective method, realize the little image in different resolution that inputted large image in different resolution is output as after treatment to expection, the little image in different resolution of input is exported to the large image in different resolution of expection smoothly, image fault is little, approaches input picture.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention with preferred embodiment openly as above, but, not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (3)
1. image sealer is processed a method for image, steps of the method are:
First I identifies the resolution ratio of input picture, and relatively the resolution ratio of input picture and image sealer are processed width and the limitation in height of image, after processing, and output downscaled images or enlarged image;
II is when the width of input image resolution or when being highly greater than image sealer and processing the width of input picture and limitation in height, input picture is cut apart, again the image block after cutting apart is dwindled to processing, finally the image that dwindles processing is outputed to same internal memory, export complete downscaled images;
III is in the time that image sealer output is greater than the output image of its processing output image resolution width and limitation in height, output image is cut apart, again the image block after cutting apart is amplified to processing, finally output to same internal memory by amplifying the image of processing, export complete enlarged image.
2. a kind of image sealer according to claim 1 is processed the method for image, it is characterized in that: image sealer to the concrete steps of input picture processing method is:
I is processed the width restriction of input picture when the width of input image resolution is greater than image sealer, and when the height of input image resolution is less than the limitation in height of image sealer processing input picture, image sealer is left and right two fabric width degree and highly identical image by input picture vertical segmentation, again two width images after cutting apart are dwindled respectively to processing, finally, by dwindling two width images corresponding left and right two parts that output to same internal memory respectively of processing, export complete downscaled images;
II is processed the limitation in height of input picture when the height of input image resolution is greater than image sealer, and when the width of input image resolution is less than the width restriction of image sealer processing input picture, input picture level is divided into upper and lower two fabric width degree and highly identical image by image sealer, again two width images after cutting apart are dwindled respectively to processing, finally, by dwindling two width images corresponding two parts up and down that output to same internal memory respectively of processing, export complete downscaled images;
III is when the width of input image resolution is when being highly all greater than image sealer and processing the width of input picture and limitation in height, input picture vertical segmentation and level are divided into upper left, lower-left, upper right and bottom right four fabric width degree and highly identical image by image sealer, again four width images after cutting apart are dwindled respectively to processing, finally, by dwindling four width images corresponding upper left, lower-left, upper right and four of the bottom rights part that outputs to same internal memory respectively of processing, export complete downscaled images.
3. a kind of image sealer according to claim 1 is processed the method for image, it is characterized in that: image sealer to the concrete steps of output image processing method is:
I processes when image sealer output is greater than it output image that output image resolution width limits, and when the height of output image resolution ratio is less than the limitation in height of image sealer processing output image, image sealer is left and right two fabric width degree and highly identical image by output image vertical segmentation, again two width images after cutting apart are amplified respectively to processing, finally, by amplifying two width images corresponding left and right two parts that output to same internal memory respectively of processing, export complete enlarged image;
II is worked as the output image that image sealer output is greater than its processing output image resolution ratio limitation in height, and when the width of output image resolution ratio is less than the width restriction of image sealer processing output image, output image level is divided into upper and lower two fabric width degree and highly identical image by image sealer, again two width images after cutting apart are amplified respectively to processing, finally, by amplifying two width images corresponding two parts up and down that output to same internal memory respectively of processing, export complete enlarged image;
III is in the time that image sealer output is greater than the output image of its processing output image resolution width and limitation in height, output image vertical segmentation and level are divided into upper left, lower-left, upper right and bottom right four fabric width degree and highly identical image by image sealer, again four width images after cutting apart are amplified respectively to processing, finally, by amplifying four width images corresponding upper left, lower-left, upper right and four of the bottom rights part that outputs to same internal memory respectively of processing, export complete enlarged image.
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| US20190379842A1 (en) * | 2018-06-07 | 2019-12-12 | Eys3D Microelectronics, Co. | Image processing device |
| CN111083366A (en) * | 2019-12-25 | 2020-04-28 | 眸芯科技（上海）有限公司 | Image processing method, device and system based on data segmentation |
| CN113055675A (en) * | 2019-12-26 | 2021-06-29 | 西安诺瓦星云科技股份有限公司 | Image transmission method and device and video processing equipment |
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