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Image collecting method for large volume camera array scaling

A camera array and image acquisition technology, applied to electrical components, transmission systems, etc., can solve the problems of calibration result errors, cameras cannot be connected to the same computer, etc., and achieve the effect of reducing calibration errors

Inactive Publication Date: 2007-06-27
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the bandwidth problem of the main line of the computer, it is impossible for these cameras to be connected to the same computer
Since the cardboard is held by a person, if each camera cannot collect images at the same time, it will bring a large error to the calibration result

Method used

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  • Image collecting method for large volume camera array scaling
  • Image collecting method for large volume camera array scaling

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Embodiment Construction

[0039] The present invention proposes a calibration image acquisition method of a large-scale camera array, which is described in detail in conjunction with specific embodiments as follows:

[0040] The calibration system of the large-scale camera array of the present embodiment includes: an array composed of 24 cameras, and 6 computers (acquisition PCs) for collecting reference objects.

[0041] The control server configuration of this embodiment:

[0042] CPU: Intel PIV 2.8GHz

[0043] Memory: 512M

[0044] Operating system: RedHat 4 AS Linux Server

[0045] Control Server: BBNC Control Server

[0046] The configuration of collecting PC in the present embodiment:

[0047] CPU: Intel PIV dual-3.0GHz

[0048] Memory: 512M

[0049] Operating system: Windows XP

[0050] Acquisition program: BBNC Multicapture

[0051] In this embodiment, each acquisition PC is connected to four 1394 cameras through the 1394 connection port. A total of 24 cameras are connected to 6 acquis...

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Abstract

The invention relates to the image acquisition method for a large number of camera array calibrations, belonging to the field of computer multimedia technology. The method includes: acquisition PC and Control Server establish TCP / IP connection, setting the location and angle of cardboard, Control Server controls each acquisition PC and its linked camera to acquire image of the cardboard at the same time to get a group of images of the same time, transforming the location and angle of the cardboard to repeat step 3) of the image acquisition, finally getting many groups of images. The invention can effectively resolve the synchronization problem of Calibration Image Acquisition of multiple computers and raise the accuracy of camera calibration.

Description

technical field [0001] The invention belongs to the field of computer multimedia technology, in particular to calibration of computer vision and camera Background technique [0002] A key underlying protocol used on the Internet is the Internet Protocol, usually called the IP protocol. Using this common communication protocol, the Internet becomes a network that allows connecting different types of computers and different operating systems. The communication protocol is just like the common language used by two computers to exchange information. It stipulates the agreement that both parties should abide by in the communication. [0003] The TCP protocol is called a peer-to-peer protocol. That's because it plays an important role in the connection between two computers: when one computer needs to connect to another remote computer, the TCP protocol lets them establish a connection, send and receive data, and terminate the connection. Transmission Control Protocol (TCP) use...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 戴琼海韩准刘烨斌
Owner TSINGHUA UNIV