基于改進(jìn)條件擴(kuò)散模型的殘簡(jiǎn)文字修復(fù)方法

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關(guān)鍵詞：秦簡(jiǎn)文字；圖像修復(fù)；擴(kuò)散模型；空間通道重建卷積；噪聲估計(jì)網(wǎng)絡(luò)；注意力機(jī)制中圖分類號(hào)：TN911.73-34；TP391.41 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1004-373X（2025）17-0061-07

Abstract：Qinbambo slipcharacter wereburiedundergroundforalong time，andtheir surfaces were erodedbyrainwater， soalargenumberof brokenbambooslipsappearedduring theprocessof excavation.Inviewof theunclearcharactersand missing fontstructureinformationonbambooslips，amethodforrepairing brokenbambooslipcharacters basedonimproved conditionaldifusionmodelisproposed.Byoptimizingthenoiseestimationnetwork，theglobalstructureinformationandlocal texturedetailsofQinbambooslipcharactersarecaptured，soastoobtainbeterimageinpaintingefect.Intheoptimized network，aspatialchannelreconstructionresidualmodulewithdualinformationinputisintroducedtoimprovethetextureclarity oftherepairedimagefirst，andthentheglobalcontextnetworkGCNetisintroducedtopropagatelocaltexturefeaturestoa globalrange，soastostrengthenthedependencybetweenpixelsofcharactersfarapartandmaketherepairedtextstructure complete.Thecomparisonexperimentswerecariedoutbetweentheproposed modelandtheotherimagerepairmodelsonthe self-madeQin bambooslipcharacterdataset.Thesimulationresultsshowthattheproposedmethodachievesgoodresultsin subjectivevision，withpeaksignal-to-noiseratio（PSNR）andstructural similarity（SSIM）reaching34.12dBand97.8%， respectively，whichare1.68dBandO.6%higherthanthoseofthedifusionmodelPalete，respectively.Tosumup，the inpainting effect can meet the visual needs of archaeologists，philology experts and historians.

Keywords：Qin bamboo slipcharacter;image inpainting;difusionmodel;spatial channelreconstruction convolution;noise estimation network;attentionmechanism

0 引言

秦簡(jiǎn)文字記載了秦朝的法律制度、行政文書、醫(yī)學(xué)著作等，為中國(guó)書法、秦朝政治、法律、文化、醫(yī)學(xué)等方面的發(fā)展歷史提供了詳實(shí)的資料，具有重要的歷史意義和學(xué)術(shù)價(jià)值。（剩余9144字）