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Image transmission apparatus in digital TV broadcasting

一种数字电视广播、传输装置的技术，应用在数字非图片数据传输、同时/顺序多电视信号传输、电视系统的零部件等方向，能够解决未提出版权信息或数据传输的技术等问题，达到清晰视频画面质量及音频音质的效果

Inactive Publication Date: 2015-05-20
KNU IND COOPERATION FOUND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] However, conventionally, no technology for copyright information or data transmission has been proposed in the field of boundary expansion that is hidden on the image screen of digital television.

Method used

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  • Image transmission apparatus in digital TV broadcasting
  • Image transmission apparatus in digital TV broadcasting
  • Image transmission apparatus in digital TV broadcasting

Examples

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Embodiment Construction

[0052] The present invention can be modified variously and has various embodiments, and specific embodiments are illustrated in the drawings and described in detail. However, the present invention is not limited to a specific embodiment, and it should be understood that all changes, equivalents and equivalent replacements included in the idea and technical scope of the present invention belong to the present invention.

[0053] The terms used in this application are used only for describing a specific example, and are not intended to limit the present invention. Singular expressions that are not clearly defined differently in the article also include plural. It must be understood that in this application, terms such as "comprising" or "having" are used to designate the features, numbers, steps, actions, constituent elements, components or features, numbers, steps, actions, constituent elements, etc. that exist in the description. The combination of components does not exclude...

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Abstract

Provided is an image transmission apparatus in digital TV broadcasting, including: a first converter which converts added data, which are to be inserted into an image, into a pixel block; a border extender which adds an extended border area to an image area to extend the image in video data and inserts the converted added data into the extended border area; a video encoder which encodes the video data into which the border extender inserts the added data; a video decoder which decodes the video data encoded by the video encoder; and a second converter which converts the added data which are inserted as a pixel block in the video data decoded by the video decoder into original data. Accordingly, in digital TV broadcasting such as HD TV an UDTV, the added data are inserted into a hidden area, so that it is possible to transmit various types of information including contents and copyright without a deterioration in image quality.

Description

technical field [0001] The invention relates to an image transmission device for digital television broadcasting, in particular to a scheme for transmitting copyright and additional data by utilizing the field hidden in digital television broadcasting. Background technique [0002] The digital broadcasting system processes the entire process into a digital signal with clear picture quality and subdivides it into audio signals from the bass range to the treble range, thereby enabling high sound quality. Therefore, the digital broadcasting system is rapidly applied and disseminated through various media such as ground wave, satellite, and cable TV. [0003] For ground wave digital broadcasting, the 8VSB transmission system adopted the 1995 standard in the United States, and broadcast trials have been carried out since the second half of 1998. South Korea has also adopted the ground wave digital broadcasting standard based on the US method for broadcasting. [0004] Digital br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4408H04N21/4405H04N21/835
CPCH04N7/025H04N7/08H04N19/12H04N19/156H04N21/235H04N21/83H04N5/38H04N19/44H04N19/463
Inventor 韩缵豪
Owner KNU IND COOPERATION FOUND
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