High resolution intelligent network camera array system having global synchronization function

An intelligent network, high-resolution technology, applied in stereo systems, components of TV systems, image communication, etc., can solve the problem of increasing the complexity of synchronous software design, image processing program, synchronous signal integrity, limitation of camera array scale, processor Loss of synchronization and other problems, to achieve powerful image processing capabilities, convenient synchronous shooting, and simple hardware implementation

Inactive Publication Date: 2009-08-12
ZHEJIANG UNIV
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Problems solved by technology

Most of the current synchronization technologies require external signal triggering or inserting time stamps into the data. The former not only requires a dedicated signal generator, the hardware implementation is complex, and the integrity of the synchronization signal also limits the scale of the camera array.
The latter increases the complex

Method used

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  • High resolution intelligent network camera array system having global synchronization function
  • High resolution intelligent network camera array system having global synchronization function
  • High resolution intelligent network camera array system having global synchronization function

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Embodiment Construction

[0035] Below, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0036] The structure of the camera array acquisition and processing system of this embodiment is as follows: figure 1 As shown, a master mode camera provides two synchronization signals to each of the remaining slave mode cameras: a horizontal synchronization signal and a vertical synchronization signal. These two signals are transmitted through coaxial cables, and the system topology is bus type. The camera array forms the image acquisition part of the system, and each camera is connected to the network through an Ethernet port to receive control commands and image data transmission from the central computer.

[0037] Each intelligent network camera in the camera array is mainly composed of three modules: data acquisition module, data processing module and synchronous signal transmission module. figure 2 It is a schematic diagram of the mo...

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Abstract

The invention discloses a high-resolution intelligent network camera array system with global synchronization function. The system adopts global synchronization signals to realize the synchronous acquisition of a camera array, comprises at least two intelligent network cameras used for image acquisition, wherein the working mode of one camera is configured as a main mode, while the other cameras are configured to be in a slave mode; the main-mode camera produces and provides global horizontal synchronization signals and vertical synchronization signals for the slave-mode cameras; and every intelligent network camera is connected with a central computer through a network and is used for receiving control commands in real time and transmitting image data so as to realize distributed computing function. The system has the advantages of satisfying the real-time high-performance processing for acquired data, realizing the global synchronous shooting of the camera array, supporting large-scale array expansion, realizing the control of the central computer over a plurality of working modes of the intelligent cameras and realizing high-resolution video-image data shooting.

Description

technical field [0001] The invention relates to the application field of multi-cameras, in particular to a multiple high-resolution network camera array system capable of realizing the global synchronous shooting function. Background technique [0002] At present, no matter in the field of research or in practical application, video image processing puts forward higher and higher requirements for data acquisition and processing systems. These requirements include image quality, processing operation, synchronous acquisition, remote control, network transmission, system cost and many other aspects. [0003] In particular, in 3DTV, stereo vision, and 3D reconstruction, during the calibration, registration, and depth acquisition of images captured by multiple cameras, the camera array needs to be captured synchronously from multiple angles and different positions to enrich the two-dimensional image of the object. Therefore, the synchronous shooting of the camera array is partic...

Claims

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Application Information

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IPC IPC(8): H04N13/02H04N13/00H04N5/232H04N15/00
Inventor 于慧敏王楠项崇明
Owner ZHEJIANG UNIV
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