Round scaling image amplifying method

An image and secondary amplification technology, applied in the direction of image communication, color TV components, TV system components, etc., can solve the problems of inability to filter out noise, high computing efficiency, real-time streaming media playback, etc., to improve quality , good image quality, low computing performance

Active Publication Date: 2011-06-29
MSI ELECTRONICS KUN SHAN +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0010] The image resolution enhancement method in the prior art cannot filter out noise and defects, or consumes too much computing performance to be applied to streaming media. Problems with real-time playback

Method used

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  • Round scaling image amplifying method

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Embodiment Construction

[0040] Please refer to " figure 1 "and" figure 2 ” is a flow chart of an image magnification method for round-trip zooming disclosed by an embodiment of the present invention.

[0041] See " figure 1 As shown in ", the image enlargement method of round-trip scaling of the present invention is used to convert a low-resolution image into a high-resolution image. The magnification mentioned below refers to the improvement of the resolution, not just the increase of the size of the output image. The so-called magnification by N times means that the resolution of the image is increased to N times on the X-Y two-dimensional plane, and the number of pixels on the X-axis and Y-axis is increased to N times, that is, the total number of pixels is increased to N square times.

[0042] See " figure 2 As shown in ", the image enlargement method of round-trip scaling is to obtain a low-resolution image first, and then input the low-resolution image into a conversion module (step 110)....

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Abstract

The invention discloses a round scaling image amplifying method for converting a low-resolution image into a high-resolution image. The method comprises the following steps of: acquiring the low-resolution image, executing a round scaling program, and amplifying the low-resolution image into the high-resolution image with integral multiple resolutions. The round scaling program comprises the following steps of: amplifying the low-resolution image by integral multiple so that the low-resolution image becomes a primary magnified image with integral multiple resolutions; further amplifying the resolution of the primary magnified image by 2 times to form a secondary magnified image; and reducing the secondary magnified image by 2 times to form the high-resolution image.

Description

technical field [0001] The invention relates to a method for improving image resolution, in particular to an image enlarging method for round-trip zooming in which the image is enlarged twice and then reduced to a high-resolution image to be output. Background technique [0002] In many special environments, it is not easy to obtain high-resolution images. For example, general network cameras, surveillance cameras, and low-end mobile phone built-in cameras are all low-resolution image capture devices (with pixels ranging from hundreds of thousands to millions. between), the obtained images tend to appear blurry. In addition, due to the limitation of network bandwidth, playing audio-visual information through streaming media and transmitting high-resolution frames will occupy a large amount of bandwidth, resulting in a decrease in speed; therefore, they are generally transmitted in low-resolution formats. As the size of displays continues to increase, when these images are d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/14
Inventor 林士翔萧佩琪
Owner MSI ELECTRONICS KUN SHAN
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