CN105554589A - Subtitle superposition method of back end display - Google Patents
Subtitle superposition method of back end display Download PDFInfo
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- CN105554589A CN105554589A CN201510925623.4A CN201510925623A CN105554589A CN 105554589 A CN105554589 A CN 105554589A CN 201510925623 A CN201510925623 A CN 201510925623A CN 105554589 A CN105554589 A CN 105554589A
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- subtitle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a subtitle superposition method of back end display. The method comprises the steps of (1) setting an analog subtitle overlay display area at a client according to a reference resolution, and setting a reference resolution by the analog subtitle overlay display area, (2) displaying the subtitle information input by a user in a video image by the analog subtitle overlay display area, (3) after the subtitle information displayed by the analog subtitle overlay display area is stored, carrying out storing in a database, (4) outputting an image to a decoding display terminal to carry out decoding displaying, obtaining the subtitle information corresponding to the image from the database by an application control service, and outputting the subtitle information according to an actual display area resolution to carry out overlap displaying in a display area image. According to the method, needed overlap subtitle information can be conveniently customized, at the same time the size ratio of the subtitle information is unified in actual overlap display, the service quality of an audio and video service system is improved, and the hall service application efficiency is improved.
Description
Technical field
The invention belongs to field of video displaying, be specifically related to the caption superposition method of a kind of rear end display.
Background technology
Audio frequency and video service system has been widely used in the fields such as industry, traffic, business, finance, military affairs and security in recent years, and visual operation system becomes one of the important means of modern management, monitoring, control.The common practice of the prompting of various video service system, assistant images displaying contents on the display image of video system by real-time subtitle superposition.Existing caption superposition method the caption information of superposition will be needed to store in a database by user terminal, when image corresponding to caption information is by program request, with imaging importing, realizes Subtitle Demonstration.
In the service application of audio frequency and video service system hall, user can show on multiple different image to large-size screen monitors usually, then each image can have subtitle superposition to show, when the original resolution of these images is different, can cause captions large-size screen monitors show not of uniform size, also need business operation person to carry out finishing operations simultaneously, the overlapping text of these images is regulated; Cause hall service application operating efficiency low.
Summary of the invention
The object of the invention is to for prior art Problems existing, the caption superposition method that a kind of rear end shows is provided, the size of caption meeting user's expectation mates with screen display size, and large for the difference of each different resolution video subtitle is shown according to unified size at hall large-size screen monitors, ensures that overlapping text is in the same size in the different split screen displays of large-size screen monitors.
The present invention realizes particular by following technical scheme:
A caption superposition method for rear end display, comprises the following steps:
(1), in client set a simulation subtitle superposition viewing area according to reference resolution, simulation subtitle superposition viewing area sets a reference resolution;
(2), simulate subtitle superposition viewing area the caption information of the user's input on video image is shown;
(3), after the caption information of simulation subtitle superposition viewing area display is preserved, store at database;
(4), image outputs to decoding display terminal when carrying out decoding display, and application controls service obtains caption information corresponding to image from database, then according to actual displayed regional resolution output caption information Overlapping display on the image of viewing area.
Preferably, described caption information can be arranged, and parameters at least comprises: word content, displaing coordinate, font format, font color, font size.
Preferably, in step (4), comprise in the rule of actual displayed region display caption information: the source pixel value corresponding under reference resolution according to these captions of source word body acquiring size in caption information; Then basis: the computational methods of (captions source pixel value/reference resolution)=(Subtitle Demonstration pixel value/actual displayed regional resolution) obtain Subtitle Demonstration pixel value, and then obtain the captions font size corresponding in actual displayed region, carry out decoding output display after on the corresponding video signal that is added to.
The beneficial effect that the present invention produces is: the overlapping text information that the customization oneself that this method user can be convenient needs, during the simultaneously display of caption information when actual large-size screen monitors superposition on different split screen, size is unified, improve the service quality of audio frequency and video service system, improve hall service application efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is method flow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the caption superposition method of a kind of rear end display, comprises the following steps:
(1), in client set a simulation subtitle superposition viewing area according to reference resolution, simulation subtitle superposition viewing area sets a reference resolution;
(2), simulate subtitle superposition viewing area the caption information of the user's input on video image is shown, described caption information can be arranged, and parameters at least comprises: word content, displaing coordinate, font format, font color, font size;
(3), after the caption information of simulation subtitle superposition viewing area display is preserved, store at database;
(4), image output to decoding display terminal carry out decoding show time, application controls service obtains caption information corresponding to image from database, then export caption information Overlapping display on the image of viewing area according to actual displayed regional resolution, comprise in the rule of actual displayed region display caption information: the source pixel value corresponding under reference resolution according to these captions of source word body acquiring size in caption information; Then basis: the computational methods of (captions source pixel value/reference resolution)=(Subtitle Demonstration pixel value/actual displayed regional resolution) obtain Subtitle Demonstration pixel value, and then obtain the captions font size corresponding in actual displayed region, carry out decoding output display after on the corresponding video signal that is added to.
The present invention for Mosaic screen, comprising Mosaic screen 1 ~ Mosaic screen 4, the resolution of the video of each Mosaic screen access be respectively 1920*1080,1366 × 768,1280 × 960,1024*768 pixel.In the present embodiment, Mosaic screen 1 ~ Mosaic screen 4 shows different audiovisual presentation, when carrying out Subtitle Demonstration, first setting up a simulation subtitle superposition viewing area in the client of process computer, being defaulted as here: 1920*1080 pixel.This simulation subtitle superposition viewing area respectively to for 1920*1080,1366 × 768,1280 × 960, caption information on the video of 1024*768 shows, and be kept at caption information and the captions pixel value of the lower 4 kinds of resolution videos of current resolution, this captions pixel value is considered as captions source pixel value.
When the access video of large-size screen monitors display splicing screen 1 ~ Mosaic screen 4, the application controls service of client obtains captions source pixel value and the caption information (as word content, displaing coordinate, font format, font color etc.) of caption information corresponding to these 4 kinds of different resolution images from database, pass-through mode: (captions source pixel value/reference resolution)=(Subtitle Demonstration pixel value/actual displayed regional resolution), obtains the Subtitle Demonstration pixel value of actual displayed region subtitle display after calculating.After obtaining the Subtitle Demonstration pixel value in the actual displayed region of 4 kinds of vision signals and other caption informations respectively, after on the corresponding video signal that is added to, carry out decoding output display.
Wherein actual displayed regional resolution can set in the actual use resolution of the mosaic screen of large-size screen monitors, resolution as the Mosaic screen of these large-size screen monitors is 1920*1080 pixel, so when accessing the image video signal of Mosaic screen 1, caption information can remain unchanged, captions source pixel value and the caption information of Mosaic screen 1 is corresponded in direct input database, when accessing Mosaic screen 2 ~ 4, just needing to be adjusted caption information by which and showing after superpose.All caption informations, after the resolution of the display screen through adjustment coupling large-size screen monitors, finally can obtain formed objects font by the Mosaic screen 1 ~ Mosaic screen 4 on large-size screen monitors.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a caption superposition method for rear end display, is characterized in that, comprise the following steps:
(1), in client set a simulation subtitle superposition viewing area according to reference resolution, simulation subtitle superposition viewing area sets a reference resolution;
(2), simulate subtitle superposition viewing area the caption information of the user's input on video image is shown;
(3), after the caption information of simulation subtitle superposition viewing area display is preserved, store at database;
(4), image outputs to decoding display terminal when carrying out decoding display, and application controls service obtains caption information corresponding to image from database, then according to actual displayed regional resolution output caption information Overlapping display on the image of viewing area.
2. the caption superposition method of a kind of rear end display as claimed in claim 1, it is characterized in that, described caption information can be arranged, and parameters at least comprises: word content, displaing coordinate, font format, font color, font size.
3. the caption superposition method of a kind of rear end display as claimed in claim 1, it is characterized in that, in step (4), comprise in the rule of actual displayed region display caption information: the source pixel value corresponding under reference resolution according to these captions of source word body acquiring size in caption information; Then basis: the computational methods of (captions source pixel value/reference resolution)=(Subtitle Demonstration pixel value/actual displayed regional resolution) obtain Subtitle Demonstration pixel value, and then obtain the captions font size corresponding in actual displayed region, carry out decoding output display after on the corresponding video signal that is added to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510925623.4A CN105554589A (en) | 2015-12-14 | 2015-12-14 | Subtitle superposition method of back end display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510925623.4A CN105554589A (en) | 2015-12-14 | 2015-12-14 | Subtitle superposition method of back end display |
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| CN105554589A true CN105554589A (en) | 2016-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303579A (en) * | 2016-09-20 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | Video play device and method |
| CN109862410A (en) * | 2017-11-30 | 2019-06-07 | 腾讯科技（深圳）有限公司 | Recommendation information insertion method, device and storage medium |
| CN113438514A (en) * | 2021-04-26 | 2021-09-24 | 深圳Tcl新技术有限公司 | Subtitle processing method, device, equipment and storage medium |
| CN113597640A (en) * | 2019-03-25 | 2021-11-02 | 索尼集团公司 | Image processing apparatus, image processing method, and display apparatus |
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| CN102333201A (en) * | 2010-07-13 | 2012-01-25 | 华为终端有限公司 | Telepresence caption transmission method, terminal and system |
| CN102932607A (en) * | 2012-10-29 | 2013-02-13 | 北京东方艾迪普科技发展有限公司 | Caption graphics and text information generation method and device |
| CN104063198A (en) * | 2014-07-03 | 2014-09-24 | 深圳市华泰敏信息技术有限公司 | Multi-screen synchronous subtitle overlaying method and equipment |
| CN104238890A (en) * | 2014-09-19 | 2014-12-24 | 小米科技有限责任公司 | Text display method and device |
| JP2015173442A (en) * | 2014-02-21 | 2015-10-01 | 日本放送協会 | receiver |
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2015
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Patent Citations (5)
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| CN102333201A (en) * | 2010-07-13 | 2012-01-25 | 华为终端有限公司 | Telepresence caption transmission method, terminal and system |
| CN102932607A (en) * | 2012-10-29 | 2013-02-13 | 北京东方艾迪普科技发展有限公司 | Caption graphics and text information generation method and device |
| JP2015173442A (en) * | 2014-02-21 | 2015-10-01 | 日本放送協会 | receiver |
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| CN104238890A (en) * | 2014-09-19 | 2014-12-24 | 小米科技有限责任公司 | Text display method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303579A (en) * | 2016-09-20 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | Video play device and method |
| CN109862410A (en) * | 2017-11-30 | 2019-06-07 | 腾讯科技（深圳）有限公司 | Recommendation information insertion method, device and storage medium |
| CN109862410B (en) * | 2017-11-30 | 2021-12-10 | 腾讯科技（深圳）有限公司 | Recommendation information insertion method, device and storage medium |
| CN113597640A (en) * | 2019-03-25 | 2021-11-02 | 索尼集团公司 | Image processing apparatus, image processing method, and display apparatus |
| CN113438514A (en) * | 2021-04-26 | 2021-09-24 | 深圳Tcl新技术有限公司 | Subtitle processing method, device, equipment and storage medium |
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