Block-based Pavement Damage Detection Algorithm in Wavelet Domain

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Block-based Pavement Damage Detection Algorithm in Wavelet Domain

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[1]ZHANG Lei,MA Jian,SONG Hongxun.Block-based Pavement Damage Detection Algorithm in Wavelet Domain[J].Journal of Zhengzhou University (Engineering Science),2009,30(03):48-51.

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 30 Number of periods: 2009年03期 Page number: 48-51 Column: Public date: 1900-01-01

Title:: Block-based Pavement Damage Detection Algorithm in Wavelet Domain

Author(s):: ZHANG Lei; MA Jian; SONG Hongxun; 1．School of Civil Engineering，Zhengzhou University，Zhengzhou 450001，China；2．The Air Force 94353 Army of the PLA，Shangqiu 476100，China；3．Survey and Design Institute of Chengdu Military Command Air Force，Chengdu 610041，China

Keywords:: Pavement damage detection; wavelet transform; Chunked processing; Image segmentation

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Abstract:: A block-based pavement damage detection algorithm in wavelet domain is proposed. After preprocessing such as denoising and enhancement, the initial area of pavement damage is obtained by adaptive threshold segmentation of the approximate component in the highest layer by hearing wavelet transform. In the other layers, from the high floor to the low floor, only the pavement damage area is further divided and processed in pieces, and the pavement damage is accurately detected. Simulation experiments show that the proposed algorithm can overcome the influence of noise well, and has a good pavement damage segmentation effect for different types of pavement damage.

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Last Update: 1900-01-01