Application Research on Segmentation Algorithm for Sun-image Based on Iteration Threshold

doi:10.3969/j.issn.1006-2475.2010.10.018

Computer and Modernization ›› 2010, Vol. 1 ›› Issue (10): 72-74.doi: 10.3969/j.issn.1006-2475.2010.10.018

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Application Research on Segmentation Algorithm for Sun-image Based on Iteration Threshold

DENG Lin-hua¹, XU Jun¹, CHENG Xiang-ming^1,2

1. National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Science, Kunming 650011, China;2. Graduate School, Chinese Academy of Science, Beijing 100049, China

Received:2010-05-27 Revised:1900-01-01 Online:2010-10-21 Published:2010-10-21

Abstract

Abstract: In the electric-control system of one-meter infrared solar telescope, the sun-image segmentation is the foundation of the follow-up operation, such as centroid detection, etc. The accuracy of segmentation is very important to the tracking control of telescope. The basic principle of thresholding methods and typical threshold selecting methods are introduced, the sun-image segmentation is implemented by iteration threshold method. The experimental result shows that iteration threshold has some advantages compared with typical methods in image processing time and threshold selection accuracy, meets the requirement of control system and achieves the intended purpose.

Key words: iteration threshold, image segmentation, threshold segmentation, threshold selection

CLC Number:

TP391.4

DENG Lin-hua;XU Jun;CHENG Xiang-ming;. Application Research on Segmentation Algorithm for Sun-image Based on Iteration Threshold[J]. Computer and Modernization, 2010, 1(10): 72-74.

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Application Research on Segmentation Algorithm for Sun-image Based on Iteration Threshold

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