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System and method for processing multimedia information of sensor network based on OMAP (Open Multimedia Application Platform)

An information processing system and multimedia technology, applied in the field of sensor networks, can solve problems such as single, performance not as good as integrated dual-core, and other multimedia information cannot be effectively processed, and achieve good stability

Inactive Publication Date: 2012-03-14
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Before, some people have done some single applications such as image nodes of wireless multimedia sensor networks based on OMAP, but they can only process a single multimedia information, and cannot effectively process other multimedia information; DSP sensor network multimedia information processing, but ARM and DSP are two separate chips, the performance is far inferior to the integrated dual-core OMAP series chips specially used to process multimedia information

Method used

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  • System and method for processing multimedia information of sensor network based on OMAP (Open Multimedia Application Platform)

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0040] Such as figure 1 As shown, the ARM microprocessor (1) and DSP processor (3) including OMAP, wherein the ARM microprocessor (1) of OMAP is mainly used for the control of the whole system, and the DSP processor (3) is mainly used for multimedia Information processing, the ARM microprocessor (1) internally communicates with the DSP processor (3) through the shared RAM (2); including the sensor information module ( 4), a video information module (5), an audio information module (6); also includes a medium and high-speed transmission interface module (7), a serial port module (8), a memory (9), and a power supply connected to the ARM microprocessor (1) A management module (10), a GPS module (11), a touch screen module (12), a host computer (13), and a WIFI module (14). What the core unit of the present invention adopts is the dual-core structure of ...

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Abstract

The invention discloses a system and method for processing multimedia information of a sensor network based on an OMAP (Open Multimedia Application Platform). The system for processing multimedia information of the sensor network based on the OMAP is characterized by comprising an ARM (Advanced RISC Microprocessor) and a DSP (Digital Signal Processor) of the OMAP, wherein the ARM is mainly used for controlling the whole system; the DSP is mainly used for processing the multimedia information; and the ARM communicates with the inner part of the DSP through sharing the RAM; a sensor information module, a video information module and an audio information module which are connected with the DSP processor under the control of the ARM microprocessor; and an intermediate- and high-speed transmission interface module, a serial port module, a power management module, a GPS (Global Position System) module, a touch screen module, an upper computer and a WIFI (Wireless Fidelity) module which are connected with the ARM. The system and method for processing multimedia information of the sensor network based on the OMAP disclosed by the invention adopt an OMAP dual-core structure with excellent performance so that multimedia information such as audio / video and various sensor data can be acquired, sent, received and processed in real time; and the system and method for processing multimedia information of the sensor network based on the OMAP disclosed by the invention can be widely applied to fields, such as military reconnaissance, public security and the like as well as have very strong practicability.

Description

technical field [0001] The invention relates to the technical field of sensor networks, in particular to a sensor network multimedia information processing system and method based on OMAP (Open Multimedia Applications Platform, open multimedia application platform). Background technique [0002] As an important supporting technology for the Internet of Things, sensor networks will bring new services to mobile communications, and have huge potential in the fields of military reconnaissance, public security, industrial monitoring, precision agriculture, environmental monitoring, medical and health care, intelligent transportation, and smart home. The application value will provide a powerful boost for economic development and the construction of a harmonious society. In recent years, the demand for multimedia applications in the field of wireless sensor network applications has greatly increased. For example, in applications such as intelligent transportation and target monito...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/12H04W84/18
Inventor 张诚王营冠高丹罗炬锋曾德财占云龙
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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