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Image collecting system adopting high-definition camera

An image acquisition system, high-definition camera technology, applied in the field of intelligent transportation, can solve the problems of low stability and high cost

Inactive Publication Date: 2014-07-30
江苏友上科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has high requirements on the network environment, and the stability is low when the network is unstable or interrupted; and in addition to the front-end HD camera, an interval speed measurement host needs to be configured for each card point, which is expensive

Method used

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  • Image collecting system adopting high-definition camera
  • Image collecting system adopting high-definition camera

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Embodiment Construction

[0021] Such as figure 1 The shown image acquisition system using a high-definition camera includes a controller, a high-definition camera and an image data transmission card. The controller is connected to the high-definition camera through a user bus interface signal to control the working mode of the high-definition camera. The user bus Interface signals include EXSYNC, PRIN and BIN, among which:

[0022] EXSYNC is the trigger frame readout signal. When EXSYNC is fixed at low level, the camera outputs image data at the maximum frame rate; when EXSYNC is positive and negative alternately, its falling edge triggers frame readout;

[0023] PRIN is the pixel reset signal, which resets the pixel between two active EXSYNC, thereby shortening the effective exposure time; PRIN is low effective, and starts effective exposure on its rising edge, if PRIN is fixed at high level, the integration time is the largest; if PRIN If it is fixed at low level, the high-definition camera canno...

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Abstract

The invention relates to an image collecting system adopting a high-definition camera. The image collecting system comprises a controller, the high-definition camera and an image data transmission card. The controller is connected with the high-definition camera through signals of a user bus interface and controls the working mode of the high-definition camera. The signals of the user bus interface comprise EXSYNC, PRIN and BIN. The high-definition camera is connected with an image collecting card through a data bus interface, and the image data transmission card controls the high-definition camera and captures image data through the signals of the data bus interface. The data bus interface comprises DATA 0-11, FVAL, LVAL and STROBE. The image collecting system has the technical advantages that the image data transmission card generates input signals needed by work of a camera and interprets output signals of the camera, so that the high-definition camera works in an electric control mode and accurately captures the image data output by the camera in real time.

Description

technical field [0001] The invention relates to the field of intelligent transportation, in particular to an image acquisition system using a high-definition camera. Background technique [0002] In recent years, as the state and local governments have increased investment in infrastructure construction, my country's highway and urban road construction have achieved unprecedented development, and this rapid development trend will continue in the next few years. The corresponding intelligent transportation technology has also been developed by leaps and bounds. If we compare the wide roads to the "hardware" of computers, then the various intelligent transportation systems erected on these roads are "software" running on the computer hardware, which can ensure driving safety and improve road operation efficiency. Strengthening supervision is playing an increasingly important role. And with the continuous expansion of the transportation network and the continuous breakthrough ...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N7/015G08G1/054
Inventor 陈刚
Owner 江苏友上科技实业有限公司
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