Form gradient radial color filling method based on pixel space mask matrix

A mask matrix and color filling technology, applied in the field of TV program production, can solve the problem that the subtitle system is difficult to meet the requirements, and achieve the effect of meeting the appreciation requirements, natural effect and strong visual experience

Inactive Publication Date: 2010-06-30
北京市文化科技融资租赁股份有限公司
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Problems solved by technology

With the subdivision of TV channels and program content, the division of labor of various departments has become more specializ...

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  • Form gradient radial color filling method based on pixel space mask matrix
  • Form gradient radial color filling method based on pixel space mask matrix
  • Form gradient radial color filling method based on pixel space mask matrix

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Embodiment Construction

[0044] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] In the current subtitle system used for TV program production, there are generally low rendering efficiency, edge aliasing effect, blurred and unclear small characters, uneven stroke thickness of characters, unreal gradient effect, and unrealistic rendering effects of polygons and shadows. A series of technical and application problems such as artistic word effects can be solved by converting the vector information of the subtitle object into a pixel mask matrix based on contour lines, and then rendering subtitles on this basis. This technology is called a subtitle rendering method based on a closed-circle domain of a curve outline and a pixel mask matrix (for details, please refer to the patent applied for at the same time).

[0046] The key step of the above method is firstly the generation of finite closed loop domains. A finite cl...

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Abstract

The invention relates to the subtitle render technique in the field of television porgram designing, in particular to a form gradient radial color filling method based on a pixel space mask matrix, which carries out radial color filling on each pixel of the original image within the radius of a mapping in accordance with a certain mapping sequence according to a pixel space mask matrix and a formgradient radial color array, and meanwhile carries out anti-aliasing processing on pixels on the edge of the radius. The radial gradient color processing is carried out according to the vector contour of an object so that the effect of the gradient color is more natural and the visual perception is more strong, thereby facilitating channel program packaging, improving the televiewing quality, promoting the total image of a TV program designing and broadcasting mechanism, meeting the appreciating demands of the public and gaining the higher economic benefits for the TV program designing and broadcasting mechanism.

Description

technical field [0001] The invention relates to a subtitle rendering technology in the field of television program production, in particular to a radial color filling method based on a pixel space mask matrix. Background technique [0002] Because TV subtitles have an independent ideographic function, as a necessary TV program element, TV subtitles are an important display form of TV graphics. With the subdivision of TV channels and program content, the division of labor of various departments has become more specialized. For the production of different types of programs, it is difficult to meet the requirements with a single type of subtitle system. In addition, the increasing diversity of TV programs and the continuous improvement of TV viewers' appreciation and appreciation level also require that the application mode of TV subtitles must develop in the direction of diversity. [0003] From a broad point of view, the subtitle objects handled by TV subtitles can be divide...

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Application Information

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IPC IPC(8): H04N5/278G06T11/00G06T15/00G06T1/00
Inventor 吴正斌
Owner 北京市文化科技融资租赁股份有限公司
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