《电视技术》第46卷第12期(总第565期)89PARTS&DESIGN器件与设计文献引用格式:邱孝龙.基于ADMM的分块压缩感知图像重构方法[J].电视技术,2022,46(12):89-92,96.QIUXL.BlockcompressedsensingimagereconstructionbasedonADMM[J].VideoEngineering,2022,46(12):89-92,96.中图分类号:TP311.5文献标识码:ADOI:10.16280/j.videoe.2022.12.019基于ADMM的分块压缩感知图像重构方法邱孝龙(西安石油大学理学院,陕西西安710065)摘要:在分块压缩感知(BlockCompressedSensing,BCS)领域,经典的重构算法可以有效重构无噪声图像信号,但是图像在采集、传输过程中会受到噪声的攻击,导致图像的重构质量较差。为了在抑制噪声的同时保护原始图像信号,将BCS的平滑投影Landweber法与BM3D算法相结合,运用交替方向乘子法(AlternatingDirectionMultiplierMethod,ADMM)进行求解,提出了一种基于ADMM的分块压缩感知重构算法。通过峰值信噪比(PeakSignal-to-NoiseRatio,PSNR)来验证所提算法的有效性。实验结果表明,相比与经典的分块压缩感知BCS重构方法,所提方法具有较好的重构效果,在分块压缩感知重构领域有一定的用途。关键词:图像去噪;交替方向乘子法(ADMM);峰值信噪比(PSNR);分块压缩感知BlockCompressedSensingImageReconstructionBasedonADMMQIUXiaolong(SchoolofScience,Xi’anShiyouUniversity,Xi’an710065,China)Abstract:InthefieldofBlockCompressedSensing(BCS),classicalreconstructionalgorithmscaneffectivelyreconstructnoise-freeimagesignals,buttheimagesareattackedbynoiseduringacquisitionandtransmission,resultinginpoorreconstructionqualityofimages.Inordertoprotecttheoriginalimagesignalwhilesuppressingnoise,thispapercombinestheBCS_SPLalgorithmwiththeBM3DalgorithmandappliestheAlternatingDirectionMultiplierMethod(ADMM)tosolvetheproblem,andproposesanADMM-basedblockcompressedsensingreconstructionalgorithm.TheeffectivenessoftheproposedalgorithmisverifiedbyPeakSignal-to-NoiseRatio(PSNR).TheexperimentalresultsshowthattheproposedmethodhasbetterreconstructioneffectcomparedwiththeclassicalBCSreconstructionmethod,andhassomeusesinthefieldofblockcompressedsensingreconstruction.Keywords:imagedenoising;AlternatingDirectionMultiplierMethod(ADMM);PeakSignal-to-...