图像增强在文物X光图像中的应用
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摘要
基于高频强调滤波自适应直方图算法,参考医学X光图像处理方法,将数字图像增强技术引入到文物X光图像中。经过图像增强后,文物X光图像的边缘细节得到增强,对比度得到提高,有用信息更加凸显。结果表明该方法不但便于图像分析,还简化了整个检测过程。
Based on the high-frequency emphasis filtering and adaptive histogram algorithm,the digital image enhancement technology is introduced into the X-ray images of the cultural relics with reference to the medical X-ray image processing method.After image enhancement,the edges and details of the X-ray image of an artifact are enhanced,the contrast is stretched,and the useful information is clear.The results show that the proposed method not only facilitates the image analysis,but also simplifies the entire inspection process.
Based on the high-frequency emphasis filtering and adaptive histogram algorithm,the digital image enhancement technology is introduced into the X-ray images of the cultural relics with reference to the medical X-ray image processing method.After image enhancement,the edges and details of the X-ray image of an artifact are enhanced,the contrast is stretched,and the useful information is clear.The results show that the proposed method not only facilitates the image analysis,but also simplifies the entire inspection process.
引文
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[13]Zhou F,Jia Z H,Yang J,et al.Medical image enhancement method based on improved Gamma correction in shearlet domain[J].Journal of Optoelectronics·Laser,2017,28(5):566-572.周飞,贾振红,杨杰,等.基于剪切波域改进Gamma校正的医学图像增强算法[J].光电子·激光,2017,28(5):566-572.
[14]Song L,Feng Y P,Wei Y B.Gray level DAGmaximum entropy based on quantization resolution for medical image tone enhancement[J].Journal of Sichuan University(Natural Science Edition),2018,55(2):316-322.宋璐,冯艳平,卫亚博.基于灰度DAG熵最大化量化分辨率医学图像增强[J].四川大学学报(自然科学版),2018,55(2):316-322.
[2]Hu D B,LüS X.Application of X-ray photography in the research of the bronzes unearthed from the Jin marquis cemetery[J].Ancient Civilizations,2013,9:55-81.胡东波,吕淑贤.应用X射线成像对晋侯墓地出土青铜器铸造工艺的研究[J].古代文明,2013,9:55-81.
[3]Xie J,Yan W X.Application and prospect of X-ray imaging technology in conservation of unearthed bronzes[J].World of Antiquity,2016(2):74-77.谢晋,闫文祥.馆藏出土青铜器保护中的X射线成像技术的应用及展望[J].文物世界,2016(2):74-77.
[4]Hu D B.The X-ray imaging of cultural relics[M].Beijing:Science Press,2012:55-161.胡东波.文物的X射线成像[M].北京:科学出版社,2012:55-161.
[5]Yang J C,Han R B.The application of X-rays photography in the study of cultural relics and archaeology[J].Sciences of Conservation&Archaeology,2001,13(1):55-60.杨军昌,韩汝玢.X光照相技术在文物及考古学研究中的应用[J].文物保护与考古科学,2001,13(1):55-60.
[6]Ding Z M,Wu L M,Kong F G.X-ray radiography in scientific conservation[J].Sciences of Conservation and Archaeology,2006,18(1):38-46.丁忠明,吴来明,孔凡公.文物保护科技研究中的X射线照相技术[J].文物保护与考古科学,2006,18(1):38-46.
[7]Zhou H,Yang M,Gao F,et al.Application of portable X-ray radiography to assess the weathering condition of the Avalokitesvara sculpture in Dazu Rock Carvings[J].Sciences of Conservation and Archaeology,2012,24(4):45-54.周华,杨淼,高峰,等.重庆大足千手观音便携X探伤调查及初步研究[J].文物保护与考古科学,2012,24(4):45-54.
[8]Zhou H,Yang M,Gao F,et al.Latest progress in non-destructive ray radiography detection in archaeological sites[J].Dunhuang Research,2013(1):35-43.周华,杨淼,高峰,等.射线探伤无损检测方法在文物考古现场应用最新进展[J].敦煌研究,2013(1):35-43.
[9]He W.Medical X-ray image enhancement algorithm based on the high frequency emphasis filtering[J].Information Technology,2015,39(4):60-62,66.何文.基于高频强调滤波的医学X光图像增强算法[J].信息技术,2015,39(4):60-62,66.
[10]Wu S B,Wang Y,Xie Y Q.Contrast enhancement of medical X-ray images based on multiscale limited adaptive histogram equalization and mathematical morphology[J].Journal of Integration Technology,2014,3(1):38-45.伍世宾,王玥,谢耀钦.基于多尺度带限的自适应直方图均衡和数学形态学的医学X射线图像对比度增强算法[J].集成技术,2014,3(1):38-45.
[11]Gonzalez R C,Woods R E,Eddins S L.Digital image processing using MATLAB[M].Ruan Q Q,Transl.2nd ed.Beijing:Tsinghua University Press,2013:25-122.Gonzalez R C,Woods R E,Eddins S L.数字图像处理的MATLAB实现[M].阮秋琦,译.2版.北京:清华大学出版社,2013:25-122.
[12]Xiong J,Han L N,Geng G H,et al.Digital medical image enhanced by similar method of Retinex[J].Computer Engineering and Applications,2009,45(24):14-16,20.熊杰,韩丽娜,耿国华,等.使用类似Retinex方法增强数字医学图像[J].计算机工程与应用,2009,45(24):14-16,20.
[13]Zhou F,Jia Z H,Yang J,et al.Medical image enhancement method based on improved Gamma correction in shearlet domain[J].Journal of Optoelectronics·Laser,2017,28(5):566-572.周飞,贾振红,杨杰,等.基于剪切波域改进Gamma校正的医学图像增强算法[J].光电子·激光,2017,28(5):566-572.
[14]Song L,Feng Y P,Wei Y B.Gray level DAGmaximum entropy based on quantization resolution for medical image tone enhancement[J].Journal of Sichuan University(Natural Science Edition),2018,55(2):316-322.宋璐,冯艳平,卫亚博.基于灰度DAG熵最大化量化分辨率医学图像增强[J].四川大学学报(自然科学版),2018,55(2):316-322.