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篇名
A Novel Denoising Algorithm of RFID Label Image Based on Singular Spectrum Analysis of Phase Space Reconstruction
並列篇名
A Novel Denoising Algorithm of RFID Label Image Based on Singular Spectrum Analysis of Phase Space Reconstruction
作者 Yabing Wang (Yabing Wang)Guimin Huang (Guimin Huang)Xiaowei Zhang (Xiaowei Zhang)Yiqun Li (Yiqun Li)Maolin Li (Maolin Li)Hui Li (Hui Li)Jun Li (Jun Li)
英文摘要
RFID label image is often polluted by noise, which reduces the efficiency of feature recognition of RFID label geometric distribution and affects the subsequent optimization. Aiming at it, this paper highlights a denoising algorithm for RFID label image based on singular spectrum analysis of phase space reconstruction. First, RFID label image is transformed into some sequence signals. Second, the improved Cao algorithm and SSA algorithm is proposed to denoise image, moreover, the processed sequence signal is reconverted to get the denoising image. In the paper, the rules of choosing the percentage to eliminate eigenvectors in SSA and how to superimpose the grayscale matrix are stipulated to improve the denoising efficiency. Finally, this paper compares the proposed algorithm with three denoising algorithms on different RFID label images to verify the effectiveness of this algorithm. The PSNR of the proposed algorithm are at least 0.3 dB higher than other denoising algorithms and the SSIM of the proposed algorithm are basically similar as NLM. Specially in the RFID semi-physical simulation experimental platform, the average of the SSIM of the square labels is 0.002 higher than NLM. The experiments show that the proposed algorithm in this paper is superior to the current common algorithms.
起訖頁 042-056
關鍵詞 image denoisingphase space reconstructionsingular spectrum analysisimproved Cao algorithm
刊名 電腦學刊  
期數 202108 (32:4期)
該期刊-上一篇 A Novel Data-Driven Rolling Force Predictive Model Based on PSO-BAS-HKSVR Approach
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