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Underwater image transmission system based on visible light communication and quick likelihood blind detection algorithm thereof

A technology for visible light communication and underwater images, applied in the field of communication, can solve the problems of high communication cost, affecting the safety of marine life, and short communication distance.

Pending Publication Date: 2021-04-30
DALIAN POLYTECHNIC UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The transmission data rate of underwater acoustic communication technology is low, and the speed of sound wave propagation is slow, so there is a high communication delay. In addition, sound waves will also affect the safety of marine life; the communication distance of underwater radio frequency communication technology is extremely short, usually only a few meters. Communication costs are high

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  • Underwater image transmission system based on visible light communication and quick likelihood blind detection algorithm thereof
  • Underwater image transmission system based on visible light communication and quick likelihood blind detection algorithm thereof
  • Underwater image transmission system based on visible light communication and quick likelihood blind detection algorithm thereof

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] The invention provides a technical solution:

[0030] like figure 1 Shown: An underwater image transmission system based on visible light communication, including a transmitter circuit and a receiver circuit, the transmitter circuit includes a control chip, an operational amplifier U1 and LEDs, the control chip model is STM32F103VET6, and the operational amplifier model is LM358; the image data signal is input to The D / A conversion pin DAC of the contr...

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Abstract

The invention discloses the technical field of communication, and particularly relates to an underwater image transmission system based on visible light communication. The visible light communication technology has the advantages of high-speed transmission and real-time application realization, such as high-speed video transmission, which is a requirement which cannot be met by other wireless communication modes; low link delay: the transmission speed of the light in the water is far higher than that of the sound wave, so that the visible light communication system link is not influenced by the link delay. In addition, compared with an acoustic method and a radio frequency method, the visible light communication technology has higher communication safety; and the optical underwater transceiver with relatively small volume and lower cost can be realized, and the economic benefit is higher, so that the commercial development of large-scale visible light communication in the future can be improved.

Description

technical field [0001] The technical field of communication of the present invention is specifically an underwater image transmission system based on visible light communication. Background technique [0002] The transmission of underwater image data has extensive and in-depth applications and research in many fields such as exploring deep sea resources, monitoring seabed ecological conditions, underwater rescue, preparing for ocean wars, and developing underwater intelligent robots. Underwater wireless communication technology is the technical support for underwater image transmission. The current underwater wireless communication routes are mainly divided into underwater acoustic communication, underwater radio frequency communication and underwater visible light communication which is gradually developing. The transmission data rate of underwater acoustic communication technology is low, and the speed of sound wave propagation is slow, so there is a high communication del...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/116H04B10/80H04B10/66H04B10/50H04L1/00
CPCH04B10/116H04B10/80H04B10/66H04B10/50H04L1/0054H04L1/0038
Inventor 王金鹏周阳管鑫李博邹念育
Owner DALIAN POLYTECHNIC UNIVERSITY
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