Statistical method for subtitle rendering efficiency based on template

A statistical method and subtitle technology, applied in computing, 3D image processing, color TV parts, etc., can solve problems such as heavy workload, not in line with the general trend of IT technology development, and inability to evaluate product performance objectively and accurately

Inactive Publication Date: 2010-06-23
CHINA DIGITAL VIDEO BEIJING
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Problems solved by technology

[0013] Third, the human workload is huge, but the result is half the effort, which is not in line with the general trend of IT technology development
[0014] Fourth, from the perspective of probability and statistics, evaluation use cases with subjective experience characteristics cannot cover all logical branches of a system, so that it is impossible to objectively and accurately evaluate all the performance of a product. Even if a conclusion can be drawn, it is still a mistake. Biased

Method used

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  • Statistical method for subtitle rendering efficiency based on template
  • Statistical method for subtitle rendering efficiency based on template
  • Statistical method for subtitle rendering efficiency based on template

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Embodiment Construction

[0054] The present invention will be further described below in conjunction with the embodiments and the drawings.

[0055] The statistical method of template-based subtitle rendering efficiency of the present invention is based on the following technical principles: First, from the perspective of probability statistics, the rendering time of subtitles is only the time statistics of multiple rendering processes, and an average rendering time is obtained. , This time value is objective and accurate; secondly, although there are many rendering attribute parameters in a subtitle system, the rendering time will be different due to different rendering attributes, but the subtitle template made by the subtitle system can be used to cover All rendering attribute parameters, so that the statistical subtitle rendering efficiency is more objective and accurate.

[0056] Figure 5 The process of the statistical method for rendering efficiency of subtitles based on templates of the present inv...

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Abstract

The invention discloses a template-based statistical method of caption rendering efficiency, and belongs to the technical field of the caption editing and broadcasting of television program making and broadcasting mechanisms in radio and television broadcasting field. The method for assessing the caption rendering efficiency in the prior art is mainly based on the subjective evaluation and has the shortcomings of inaccurate assessment result, heavy workload and the like. The method firstly creates a rendering source model library and a rendering attribute model library according to a plurality of caption templates; caption objects are created according to rendering sources in the rendering source model library and rendering attributes in the rendering attribute model library; all the created caption objects are rendered, the rendering time of each caption object, the total time of the rendering and the total times of the rendering are recorded; and the rendering efficiency is calculated according to the rendering time of each caption object, the total time of the rendering and the total times of the rendering. The use of the method can more accurately calculate the caption rendering efficiency and simultaneously calculate the impact factors of the rendering attributes on the rendering efficiency more accurately.

Description

Technical field [0001] The invention belongs to the technical field of subtitle editing and broadcasting of television program production and broadcasting institutions in the field of radio and television, and particularly relates to a method for statistically rendering subtitles based on a template. Background technique [0002] With the development of the TV industry, the role of TV subtitles in TV has become more and more important, with an increase in the number of daily broadcasts, various forms of subtitle broadcasts, and more exquisite subtitle production. Through TV subtitles, we can make full use of the limited TV screen space to deliver more information, so that viewers can learn about new viewing trends and TV content more quickly, and improve viewing quality. At the same time, subtitles are also convenient for channel program packaging and enhance the overall image. It can also interact with the audience through the subtitle platform and provide value-added services....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/278G06T15/10
Inventor 吴正斌
Owner CHINA DIGITAL VIDEO BEIJING
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