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Subtitle extraction method and device

An extraction method and subtitle technology, applied in the field of communication, can solve problems such as low processing efficiency and high resource usage, and achieve the effect of improving processing speed and improving user experience

Active Publication Date: 2013-01-16
ZTE CORP
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  • Description
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  • Application Information

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Problems solved by technology

[0007] Aiming at the problems of high resource occupancy and low processing efficiency of the subtitle extraction method in the related art, the present invention provides a subtitle extraction method and device to at least solve the above problems

Method used

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  • Subtitle extraction method and device
  • Subtitle extraction method and device

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Experimental program
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Effect test

Embodiment 1

[0047] In order to overcome the excessive calculation amount and poor user experience caused by the separation of video and subtitles completely relying on pure software algorithms, this preferred embodiment provides an additional software function module, which cooperates with the video processing chip inside the mobile terminal to complete video subtitle extraction. The method realizes a new scheme of mobile terminal video subtitle extraction.

[0048] This program adds three software modules in the software part of the mobile terminal product: video output module (realized the function of the above-mentioned sending module 24), video preprocessing module (realized part of the functions of the above-mentioned optimization module 42) and subtitle preprocessing module ( Realized part of the functions of the optimization module 42 above). By cooperating the above three software modules with the video processing chip in the hardware of the mobile terminal product, the function o...

Embodiment 2

[0068] Figure 5 It is a schematic diagram of cooperation of various functional modules of the mobile terminal product according to Embodiment 2 of the present invention, as shown in Figure 5 As shown, this scheme mainly includes two major parts, software part and hardware part. Wherein, the software part may include a video transmission module, a video preprocessing module, and a subtitle preprocessing module; the hardware part may include a mobile terminal display device and a video processing chip.

[0069] The video data stream to be processed is transmitted to the video processing chip through the video transmission module for processing, and the video processing chip performs hard decoding on the incoming video data, and separates the video code stream and the original subtitle data. They are sent to the video preprocessing module and subtitle preprocessing module respectively through the physical interface. The video preprocessing module optimizes the video data to a...

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Abstract

The invention discloses a subtitle extraction method and a subtitle extraction device. The method comprises the following steps of: separating a video stream input into a mobile terminal into video data and subtitle data through a hard decoding mode; and sending the video data and the subtitle data. By the method and the device, the problems of relatively high resource occupation rate and low processing efficiency of the conventional subtitle extraction method in the relevant technology are solved; the processing speed of the mobile terminal is increased; and the user experience is enhanced.

Description

technical field [0001] The present invention relates to the communication field, in particular to a subtitle extraction method and device. Background technique [0002] At present, with the rapid development of communication networks (for example, the third generation mobile communications (3G for short) network), users not only put forward high requirements for traditional voice services of mobile networks, but also for mobile terminals. Multimedia functions are also getting more and more attention. In high-end smart mobile terminals, support for streaming media in multiple formats has become a standard configuration for such terminals. During video playback, extracting subtitles from videos has become a natural requirement for users. [0003] However, the current realization of the subtitle extraction function in video is mostly based on the pure software algorithm of digital image processing, which statically analyzes video frames and extracts subtitles. This approach h...

Claims

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Application Information

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IPC IPC(8): H04N21/434H04N21/435
CPCH04N21/4348H04N21/4884H04N21/42607H04N21/42653H04N5/04H04N7/0255H04N7/035
Inventor 赵明
Owner ZTE CORP
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