基于改进最佳缝合线的海上低照度图像拼接方法

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中图分类号：TN911.73-34；TP391 文献标识码：A 文章编号：1004-373X（2026）07-0055-08

引用格式：.基于改进最佳缝合线的海上低照度图像拼接方法[J].现代电子技术，2026，49（7）：55-62.

Low-light image stitching method based on improved optimal seam in maritime

ZHANG Zheng

（The716Research Institute of CSSC，Lianyungang222O06，China）

Abstract：Amaritime low-lightimage stitching method basedonimprovedoptimal seam isproposed tomitigatetheimage titchingartifactsandseamscausedbyunevenilumination，increasedoiseandlargeparallaxinlow-lightimagesinritie. Theline-pointconsistencymatchingstrategyisintroducedtowarptheimage，andtheoverlappingareaoftheimageisaliged accuratelybyoptimizingthemeshdeformation.Theenergyfunctionoftheoptimalseamalgorithmisimprovedbytakingaccount ofcolordiffrence，gradientdiferenceandtexturecomplexitysoastoreduceartifactsinoverlappingareas，andthenthe dynamicprogrammingsearchalgorithmisusedtofindouttheoptimal seam intheoverlapingareas.Onthebasisof the gradient，thefusionweightofthein-outblendingalgorithmisadjusteddynamicalltoeliminatethevisibleseams，soastorealize thesmoothtransitionoflow-lightimagestitchinginmaritie.Theresultsofstitchingon6groupsoflow-lightimagesinmarime show that the quality error of seam of the proposed method is reduced by 51.48% on average，and the stitching quality is improvedobviouslyincomparisonwith theoptimal seamalgorithmbeforetheimprovement.Tosumup，theimprovedoptimal seam algorithmcanavoid artifactsand stitching seams，and realize smooth stitching of low-light images in maritime.

Keywords：low-light image in maritime;image stitching;image warping;optimal seam; energyfunction;image blending

0 引言

舰船航行过程中，获取宽视场图像对于导航和监测具有重要意义[1-2]。（剩余9662字）