Processing method and device for realizing image zooming

Abstract

The invention discloses a processing method and a device for realizing image zooming. The method comprises the following steps of: obtaining a user input information; determining a zooming rule corresponding to the user input information according to the corresponding relationship between the preset user input information and the zooming rule; determining a target region according to the zooming rule; determining the display ratio of the target regional images according to the zooming rule; and determining the initial coordinates of the zoomed images further according to the zooming rule. Therefore, by obtaining the simple operation of the user, the method can obtain a series of correlative parameters corresponding to the image zooming operations and do not need to add any software or hardware, and realization cost is extremely low. As the user does not need to carry out excessive operation and does not need to input instructions, the requirements of the user are directly fed back to the original playing interface, therefore, the realization of the proposal does not affect the experience of the user.

Description

technical field [0001] The invention relates to image processing technology, in particular to a processing method and device for realizing image scaling. Background technique [0002] Video zoom-in / zoom-out refers to the technology of zooming in / out part of the video during video playback. At present, it is usually realized by screen capture, that is, each frame displayed by the output device is intercepted, and then the target area is selected, and the video of the target area is enlarged / reduced by an algorithm, and then replaced by the original image for display on the output device. [0003] Take the video zoom as a reference, such as Figure 1A As shown, video scaling mainly includes two parts: the original video and the enlarged / reduced video. The original video refers to the video image output by the hardware or software itself according to the set format. The enlarged / reduced video refers to a video image that includes original video content and is displayed after ...

AI Technical Summary

Problems solved by technology

[0005] Since the user needs to input instructions, it is necessary to add the implementation of the input interface to the relevant equipment that realizes zoom in / out, which will increase the complexity of video zoom in / out; although the user can also use the default zoom in / zoom out commands to the default target Zoom in / out the area video, but because different users are interested in different areas of the original video, and the specific functions of video zoom in / out expected to be realized are diverse, therefore, this will greatly affect the user experience

[0006] In addition, there is currently a solution to zoom in / out the video based on the mask, such as Figure 1B As shown, specifically, by adding a layer of playback interface on the original video, the original video will be output to the original output device without being affected, but due to the added playback interface, the original video will be blocked and cannot be displayed; for the original video content Make a copy, select the target area video to zoom in / out, and display it in the added playback interface

[0007] In this processing method, on the premise of ensuring efficiency, it is necessary to add hardware for realizing the mask in the relevant equipment for realizing the enlargement / reduction, which will also increase Complexity of video zoom in / out implementation

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