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Transmitting apparatus, receiving apparatus, transmitting method, receiving method and transport system

A technology of a sending device and a receiving device, applied in the fields of receiving methods and transmission systems, sending devices, receiving devices, and sending methods, can solve the problems of reduced video resolution, difficulty for users to grasp video details, etc., so as to reduce processing burden and reduce delay. Effect

Inactive Publication Date: 2012-05-23
GNZO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, this video upscaling process means interpolation of the video signal, and as a result, only the size of the displayed video is enlarged
As a result, the resolution of the video displayed on the client terminal decreases, so there is a problem that it is difficult for the user to grasp the details of the video displayed on the viewing area.

Method used

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  • Transmitting apparatus, receiving apparatus, transmitting method, receiving method and transport system
  • Transmitting apparatus, receiving apparatus, transmitting method, receiving method and transport system
  • Transmitting apparatus, receiving apparatus, transmitting method, receiving method and transport system

Examples

Experimental program
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Effect test

no. 1 Embodiment approach

[0046] In this embodiment (hereinafter also referred to as this example), an example in which the transmitting device of the present invention is applied to a server and the receiving device of the present invention is applied to a mobile phone terminal will be described. However, the receiving device of the present invention is not limited to a mobile phone terminal, and can be applied to, for example, various devices having a communication function and a function of displaying video on a display portion, such as a PDA (personal digital assistant) or a personal computer, a sound reproduction device, or a game machine terminal. .

[0047] In addition, description will be given in the following order.

[0048] (1) Outline of the transmission system

[0049] (2) Configuration example of server

[0050] (3) Configuration example of client

[0051] (4) Operation example of the transmission system

[0052] [Outline of transmission system]

[0053] First, refer to Figure 1 ~ ...

no. 2 Embodiment approach

[0180] Next, a second embodiment of the present invention will be described. In this embodiment, it will be described that a plurality of video bit streams distributed from a plurality of external video distribution servers are displayed as video on each divided area in which the display screen is divided into a plurality, and the user can select the desired bit stream from the display. Audio-visual video examples.

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Abstract

The delivery of the high-definition image signal corresponding to an area a user desires to view can be achieved without increasing the load of processing in a transmitting apparatus. There are included an image area dividing unit (20) for dividing the image area of an input image signal into a given number of areas to generate area division image signals; and a coding unit (30) for coding the area division image signals to generate image bit streams. There are also included an image bit stream group accumulating unit (40) for accumulating a plurality of image bit streams; and a view point information receiving unit (60) for receiving view point information including the information of a view position transmitted from a receiving apparatus (2). Then, it has been arranged that an image bit stream corresponding to a first area defined by a view position and an image bit stream corresponding to a second area that is a peripheral area of the first area be extracted from the image bit stream group accumulating unit (40), thereby generating transport image bit streams to be transmitted to the receiving apparatus (2).

Description

technical field [0001] The present invention relates to a transmitting device, a receiving device, a transmitting method, a receiving method, and a transmission system, and particularly relates to a technology for distributing video corresponding to an arbitrary viewing area specified by the receiving device side from the transmitting device to the receiving device, and a technique based on the distributed technology to generate images for display from video. Background technique [0002] In recent years, with the development of digital technology, the high-definition of video is being promoted. In addition, with the development of moving picture encoding technology such as MPEG (Moving Picture Experts Group)-2 and MPEG-4 and network communication technology, it is also possible to transmit these high-definition videos to client terminals such as mobile phone terminals. [0003] When transmitting a high-definition video to a client terminal via a network, it is necessary to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2668H04N21/2343H04N21/4728H04N21/6587H04N7/173H04N21/234H04N21/431
CPCH04N21/6587H04N21/4728H04N21/2343H04N21/2668H04N7/173H04N21/6371
Inventor 笠井裕之宇地原直史
Owner GNZO