Image receiving apparatus, image receiving method, and image transmitting apparatus

An image receiving and equipment technology, applied in image communication, pulse modulation TV signal transmission, TV, etc., can solve the problems that the transmission error rate does not necessarily reflect the received image, transmission speed limit, etc.

Inactive Publication Date: 2011-01-19
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a bit error occurs on the LSB side, the error is rarely recognized from the visual standpoint
[0004] When controlling the transmission speed according to the transmission error rate, when the transmission error rate increases, the transmission speed is generally limited
However, as mentioned above, the transmission error rate does not necessarily reflect the quality of the received image

Method used

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  • Image receiving apparatus, image receiving method, and image transmitting apparatus
  • Image receiving apparatus, image receiving method, and image transmitting apparatus
  • Image receiving apparatus, image receiving method, and image transmitting apparatus

Examples

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Embodiment Construction

[0037] Preferred embodiments of the present invention will be described below. Descriptions are made in the following order.

[0038] 1. Example

[0039] 2. Modified example

[0040] 1. Example

[0041] Configuration of image transmission system

[0042] An embodiment of the present invention will be described. figure 1 is a diagram illustrating an exemplary configuration of the image transmission system 10 according to this embodiment. The image transmission system 10 includes a video storage device 100 serving as an image transmission device and a monitoring device 200 serving as an image receiving device.

[0043]Radio communication is performed between the video storage device 100 and the monitoring device 200 . That is, the video storage device 100 includes a wireless communication unit 100a. The monitoring device 200 also includes a wireless communication unit 200a. Image data is transferred from the video storage device 100 to the monitoring device 200 . Contro...

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Abstract

An image receiving apparatus includes: an image data receiver which receives image data wirelessly transmitted from an external apparatus; and a transmission path state detector which detects a state of a wireless transmission path on the basis of a degree of deviation from an average value of pixel data of pixels in a time direction in a still image region of the image data received by the imagedata receiver.

Description

technical field [0001] The present invention relates to an image receiving device, an image receiving method, and an image transmission device, and more particularly, to an image receiving device and the like capable of receiving image data from an external device through a wireless transmission path. Background technique [0002] In the past, there have been proposed wireless transmission systems capable of improving transmission efficiency by determining the necessary transmission speed and transmission power according to the state of the transmission path, that is, transmission quality, and performing optimization (for example, see Japanese Unexamined Patent Application Publication No. 2005- 341031). In a digital wireless transmission system, transmission quality is generally evaluated by using a transmission error rate (for example, see Japanese Unexamined Patent Application Publication No. 2004-64300). [0003] However, when image data is transmitted wirelessly, some e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/24H04N7/26H04N7/18H04N7/173H04N19/00H04N19/102H04N19/137H04N19/89H04N19/895H04N21/238H04N21/442H04N21/6379
CPCH04N19/00066H04N19/00933H04N19/00939H04N21/4402H04N19/00303H04N19/00775H04N21/43637H04N5/775H04N19/002H04N19/00078H04N21/44227H04N19/00781H04N19/117H04N19/12H04N19/154H04N19/182H04N19/60H04N19/61H04N19/89H04N19/895
Inventor 长良彻井原圭吾入江一介
Owner SONY CORP
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