Self adaptive pantographic system and its method for image in mobile terminal
An adaptive scaling and mobile terminal technology, applied in image data processing, graphics and image conversion, cathode ray tube indicators, etc., can solve the problems of display screen capacity waste, no image adaptive scaling, image mismatch, etc., to achieve good results The effect of improving user experience and operator revenue
Active Publication Date: 2008-10-22
HUAWEI DEVICE CO LTD
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[0010] However, in the prior art, there is no solution for image adaptive scaling according to the resolution of the display screen of the mobile terminal, which may cause image mismatch when the mobile terminal plays streaming media
For example, when a low-resolution streaming image is played on a high-resolution large display screen, only displaying the image on a part of the display screen will obviously cause a waste of display capacity and a bad user experience; When the display screen plays high-resolution streaming media images, the images may not be completely displayed, causing users to be unable to watch streaming media images normally
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[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0039]The solution of the present invention first obtains the resolution parameters of the display screen and the image, and then calculates the zoom factor of the image under the premise of ensuring that the image is not distorted so that the zoomed image can be displayed on the full screen as much as possible, and finally calls the interpolation or The down-sampling image processing function performs image interpolation or down-sampling processing and displays it in the center of the display screen. For the purpose of simplifying the processing, the image zoom factor is a finite value in a fixed set, where a reasonable finite value can be obtained through the limitation of the input image resolution.
[0040] In addition, for the consideration of the continuity ...
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This invention discloses an adaptive image sooming system and a method in mobile terminals, in which, a mobile terminal can adaptively adjust the size and resolution of a played flow media image and the resolution of the image can match with that of the display screen under the situation for guaranteeing the image is not distorted, the zoomed multiple is computed according to the resolution of the input image and the adaptively zoomed image is displayed full of the screen as much as possible, besides, the actual values of the zoom multiple are scattered several limit values, when the theoretica lmultiple is between two adjacent scattered vlues, the smaller one is taken as the actual value.
Description
technical field [0001] The invention relates to image processing and display technologies, in particular to image processing and display technologies in mobile terminals. Background technique [0002] Multimedia technology is a technology that integrates various media such as text, sound and images. The development of mobile communication makes the combination of multimedia technology and mobile communication more and more close. G) During the preview in China, people are increasingly aware that multimedia services featuring audio and video will become the core application of future mobile communications. The combination of multimedia with mobile communication, that is, mobile multimedia, has brought a new communication mode, and the mobile terminal has also changed from a simple communication tool to a new media that can provide content and services anytime and anywhere. [0003] Mobile multimedia services can be divided into three categories: streaming, multimedia messag...
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IPC IPC(8): G09G5/36G06T3/40G06F3/14
Inventor 杨鹏亮潘胜昔
Owner HUAWEI DEVICE CO LTD