{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"激光主动照明成像具有作用距离远、系统分辨率高、可在低照度背景等复杂环境下获取目标图像等优点,但探测图像会受噪声干扰.把高斯滤波、均值滤波和自适应滤波方法分别应用到仿真实验中进行噪声抑制,实验表明:与高斯滤波和均值滤波相比,自适应滤波能有效抑制图像噪声,保留图像的边缘和细节信息.利用自适应滤波方法对获取的单帧和多帧累加平均的激光主动探测图像进行抑制实验,使用对比度进行定量分析,结果表明多帧短曝光图像累加平均可有效抑制图像的噪声,自适应滤波可进一步降低图像的噪声.","authors":[{"authorName":"朱曼曼","id":"1006b5e0-cc73-4855-ae4c-72f1954f4234","originalAuthorName":"朱曼曼"},{"authorName":"时东锋","id":"3b52c17f-4259-4cc6-a514-3ecbb777918e","originalAuthorName":"时东锋"},{"authorName":"胡顺星","id":"b0d50c82-865a-4ae5-b335-806c25d8c766","originalAuthorName":"胡顺星"},{"authorName":"王英俭","id":"b639c978-fe69-470e-b8b7-497cb2ae78f5","originalAuthorName":"王英俭"}],"doi":"10.3969/j.issn.1007-5461.2017.02.003","fpage":"145","id":"dacf2611-6693-4aab-8271-f0e155029493","issue":"2","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"9c3085fd-4f3a-4ead-add6-907fd583fdf2","keyword":"大气光学","originalKeyword":"大气光学"},{"id":"52419349-f06d-4ffd-a846-30f965e6ed43","keyword":"激光主动探测成像","originalKeyword":"激光主动探测成像"},{"id":"b6c1a366-3cc2-4939-beed-423294dc2ae0","keyword":"噪声","originalKeyword":"散斑噪声"},{"id":"ee7f1b2f-ff77-4d13-a153-c83bfeee7770","keyword":"自适应滤波","originalKeyword":"自适应滤波"},{"id":"64b6a106-f6c4-469b-87be-95d1b019c77c","keyword":"多帧累加平均","originalKeyword":"多帧累加平均"}],"language":"zh","publisherId":"lzdzxb201702003","title":"激光主动探测图像自适应滤波抑制方法研究","volume":"34","year":"2017"},{"abstractinfo":"传统的激光主动成像抑制方法中,局部单像素滤波和变换域滤波难以取得良好的抑制效果,同时容易导致边缘展宽,对图像信息造成破坏.鉴于非局部滤波对加性噪声的优异去噪性能,本文研究了三种具有代表性的非局部滤波方法,并使用半导体泵浦固体脉冲激光器搭建主动成像系统,进行噪声抑制性能的比较.实验表明,采用同态FM-PatchGP不仅能够有效抑制噪声,而且能很好地保持边缘信息,同时满足实时性处理的要求,在激光主动照明系统中具有良好的应用前景.","authors":[{"authorName":"王灿进","id":"c3882458-36c1-46fd-892f-4da2bce96957","originalAuthorName":"王灿进"},{"authorName":"石宁宁","id":"d4528f42-af89-40f7-9cba-36fde7ed0ec1","originalAuthorName":"石宁宁"},{"authorName":"孙涛","id":"1eb8285c-a30c-41a7-8c4c-b648f0a2ee79","originalAuthorName":"孙涛"}],"doi":"10.3788/YJYXS20163102.0193","fpage":"193","id":"40f1885d-038a-42c8-976c-7b16aa48567f","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"83788c9b-3900-4c22-aec5-fe4b993602d2","keyword":"激光主动成像","originalKeyword":"激光主动成像"},{"id":"7c77fb62-5b5b-4c51-9e2d-f4a373403dd9","keyword":"噪声","originalKeyword":"散斑噪声"},{"id":"746ce17b-7463-43e1-bb50-76a95c92088f","keyword":"非局部滤波","originalKeyword":"非局部滤波"},{"id":"e66a9af0-746c-4962-a8e5-7e7972935856","keyword":"同态变换","originalKeyword":"同态变换"}],"language":"zh","publisherId":"yjyxs201602011","title":"同态非局部滤波在激光主动成像抑制中的应用研究","volume":"31","year":"2016"},{"abstractinfo":"激光显示中,的存在严重影响了画面质量,降低了图像的清晰度.文章阐述了的形成机理,简要介绍了减弱可采取的多种方法,详细介绍了引入旋转光纤对于减弱噪声的作用,并以绿光为例用实验验证了此法的可行性.光纤的引入一方面利于激光传输,减小了能量损失,而且光纤的旋转使得结构不断变化,屏幕上形成\"沸腾\"的,结构的叠加使的对比度有了显著的降低.","authors":[{"authorName":"李霞","id":"3a7ca005-6d16-4735-885c-2458136c22e1","originalAuthorName":"李霞"},{"authorName":"刘伟奇","id":"6c6d5871-f019-499f-b103-6fbbcdf9abd7","originalAuthorName":"刘伟奇"},{"authorName":"田志辉","id":"bbda51bb-ae85-41b1-b675-bf374b9bde89","originalAuthorName":"田志辉"},{"authorName":"冯睿","id":"b96603b4-1b9f-4abb-ba65-cc93b0024e25","originalAuthorName":"冯睿"},{"authorName":"柳华","id":"fd8d2e15-5963-4359-9e4b-cc330829fe3d","originalAuthorName":"柳华"},{"authorName":"魏忠伦","id":"867dd38b-51a5-4e23-ae2b-33dd29d5c41e","originalAuthorName":"魏忠伦"}],"doi":"10.3969/j.issn.1007-2780.2008.02.006","fpage":"153","id":"c4ddeb7e-b723-4d19-ba80-275f18c40f58","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"83ede06d-d8be-499d-a045-597b0d2349cf","keyword":"激光显示","originalKeyword":"激光显示"},{"id":"142588de-0db4-4720-b692-7da838ce1baf","keyword":"","originalKeyword":"散斑"},{"id":"351c68a7-7f87-4a84-821b-0e365fbddccb","keyword":"对比度","originalKeyword":"对比度"},{"id":"27acb69c-3830-4a51-8a2e-35d32da27df1","keyword":"光纤","originalKeyword":"光纤"}],"language":"zh","publisherId":"yjyxs200802006","title":"激光显示中对比度的降低","volume":"23","year":"2008"},{"abstractinfo":"根据散射屏移动时动态主观时间相关公式,分析了成像系统主要参数对动态主观时间相关性的影响,一般情况下屏表面参数对的时间相关性影响较小;激光光斑大于成像系统物面分辨时,时间相关性由透镜孔径大小决定;激光光斑小于成像系统物面分辨的尺寸时,减小激光光斑尺寸能减弱时间相关性.对以上结果进行了相关的理论模拟和部分实验验证,通过模拟发现,激光光斑小于成像系统物面分辨时,时间相关长度和光斑尺寸大小成正比.结论对于激光投影系统中利用时间平均进行的抑制具有指导意义.","authors":[{"authorName":"常宏","id":"ac6459af-03da-4820-9166-cf52bf7b399b","originalAuthorName":"常宏"},{"authorName":"杨福贵","id":"66623b94-ed1a-45d6-af4e-406e80fffa76","originalAuthorName":"杨福贵"},{"authorName":"董磊","id":"dbe5245d-7685-4ee4-b331-e10632ef669f","originalAuthorName":"董磊"},{"authorName":"王安廷","id":"cd404f9b-c7b8-43ac-b0c5-6ae1583b59da","originalAuthorName":"王安廷"},{"authorName":"谢建平","id":"0120601c-7f70-425f-88d5-f2e3198d1bcf","originalAuthorName":"谢建平"},{"authorName":"明海","id":"2353acfb-1c20-4443-9de7-b811970d654c","originalAuthorName":"明海"}],"doi":"10.3969/j.issn.1007-5461.2010.03.006","fpage":"288","id":"7df2c131-78a5-42d6-91c6-ccecaa963daf","issue":"3","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"5cedc84b-ec0c-4982-b1d6-b6b09c7e5e82","keyword":"激光技术","originalKeyword":"激光技术"},{"id":"b429ee95-fa69-4ee8-874d-5e078a52e210","keyword":"动态主观","originalKeyword":"动态主观散斑"},{"id":"4c25a17f-f183-4de8-a879-5368868722fb","keyword":"时间相关性","originalKeyword":"时间相关性"},{"id":"2666d895-82bc-4e16-9b16-f944840edb49","keyword":"表面粗糙度","originalKeyword":"表面粗糙度"}],"language":"zh","publisherId":"lzdzxb201003006","title":"动态主观的时间相关性研究","volume":"27","year":"2010"},{"abstractinfo":"简述了的形成机理,具体分析了在近场条件下通过降低激光的时间或空间相干性来抑制的方法,以及仅通过降低激光的相干性来减弱激光显示中的缺陷.提出一种全新在远场条件下减弱的超声光栅法,且详细说明了超声波减弱的工作原理.当合成的激光束通过因超声波在液体媒介中的传播而形成的\"位相光栅\"时,激光发生衍射,通过一系列透镜将所有衍射光完全会聚到投影屏幕上,投影移动的干涉条纹在屏幕上产生\"沸腾\"的图样,考虑到人眼的视觉暂留特性,在人眼中得到均匀化.以绿光为例,说明了激光束通过\"位相光栅\"时,经过CCD相机和图像处理系统,显示屏幕上对比度和光强的变化,显示了超声光栅法有效地抑制了激光显示中的现象.","authors":[{"authorName":"李霞","id":"de515bda-1e26-4a3a-9dc6-c379b6a20788","originalAuthorName":"李霞"},{"authorName":"郝丽","id":"38b32b4b-d87b-49d3-9b39-769c026251a6","originalAuthorName":"郝丽"},{"authorName":"刘伟奇","id":"cf3f0553-e132-4572-8e65-97aea0afe924","originalAuthorName":"刘伟奇"},{"authorName":"柳华","id":"79e956f7-b1b3-42d0-a614-c9a87c427424","originalAuthorName":"柳华"},{"authorName":"冯睿","id":"e311b5a6-393b-489f-8240-5a502a4a59c1","originalAuthorName":"冯睿"},{"authorName":"魏忠伦","id":"857da766-aebd-441d-a08a-4dd7974a1d09","originalAuthorName":"魏忠伦"},{"authorName":"张岳","id":"bbc83798-c3c3-44ff-b551-941e9092e221","originalAuthorName":"张岳"},{"authorName":"田志辉","id":"1c75f399-1c9a-43be-a841-edfc69875551","originalAuthorName":"田志辉"}],"doi":"10.3969/j.issn.1007-2780.2007.03.017","fpage":"320","id":"c6b65387-2030-48ea-886c-200539757abe","issue":"3","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"98b34484-011b-48c4-a676-63a47051cf10","keyword":"激光显示","originalKeyword":"激光显示"},{"id":"47d7c09b-8012-4e45-9e26-e43540fa9b85","keyword":"激光散斑","originalKeyword":"激光散斑"},{"id":"ddf035be-fa4a-4916-8a71-7b4e84d24bc3","keyword":"减弱","originalKeyword":"散斑减弱"},{"id":"f1b007df-e871-4137-83f0-e2e90fccf1d9","keyword":"超声光栅","originalKeyword":"超声光栅"}],"language":"zh","publisherId":"yjyxs200703017","title":"激光显示中减弱的研究","volume":"22","year":"2007"},{"abstractinfo":"为了消除现象,对随机漫射体抑制的可行性进行了探讨.分析了“随机微透镜阵列”作为随机漫射体在光束控制和光能利用率方面的优越性,并提出了在光学系统中加入转动“随机微透镜阵列”的方式抑制.对加入这种结构后屏幕上的进行了测量,验证了此种方法可以将对比度降低到1.15%,使人眼分辨不出激光散斑,提升了激光电视的观看效果,并与传统的转动匀光棒法进行对比,体现了此种方法出色的抑制的能力.","authors":[{"authorName":"付瀚毅","id":"bdb0486c-25b4-4062-a7ea-8001b7008979","originalAuthorName":"付瀚毅"},{"authorName":"刘伟奇","id":"c8eb00f1-74fa-4608-8377-9640b793cd52","originalAuthorName":"刘伟奇"},{"authorName":"魏忠伦","id":"f136fe36-aa0a-425d-a249-45915c27d6e1","originalAuthorName":"魏忠伦"},{"authorName":"康玉思","id":"5040cf1e-ca02-439c-b510-ca2559fda8ff","originalAuthorName":"康玉思"},{"authorName":"陶淑苹","id":"d79d9c8e-98a7-423b-b4f8-cf3934d649ee","originalAuthorName":"陶淑苹"},{"authorName":"冯睿","id":"8932a374-d3d4-4b8a-ba41-c8ad2f1eee53","originalAuthorName":"冯睿"},{"authorName":"张大亮","id":"bd1910dc-4186-4577-882e-088ef9c292eb","originalAuthorName":"张大亮"}],"doi":"10.3788/YJYXS20153002.0359","fpage":"359","id":"80a0f2c2-27b5-45bb-8c16-612a803d7148","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"2a0e5a01-dce7-4890-a274-46d8d98d6595","keyword":"抑制","originalKeyword":"散斑抑制"},{"id":"0e3edab3-7512-4114-b7a0-18d2e55fd763","keyword":"随机微透镜阵列","originalKeyword":"随机微透镜阵列"},{"id":"804de162-5e2e-464d-bc0c-fe7b8264dc67","keyword":"激光显示","originalKeyword":"激光显示"},{"id":"5e26027d-3757-4a99-81c7-57b0d31fd6a1","keyword":"测量","originalKeyword":"散斑测量"}],"language":"zh","publisherId":"yjyxs201502027","title":"转动随机微透镜阵列对激光显示中的抑制","volume":"","year":"2015"},{"abstractinfo":"统计特性对单像素成像系统的影响已有大量研究,但密度对该系统的影响还未见报道.采用计算机仿真分别研究了1 bit和8 bits的场景图像.结果表明随着采样数的增加,图像复原质量变好.对1 bit场景图像,图像质量随着密度的增加先变好后变差,即密度处于中间值时获取的图像质量最好;对8 bits场景的图像,采样数较小时图像质量随着密度的增加先变好后变差.当采样数变大时,图像质量随着密度的增加先变差后变好.采样数越多可以获得质量越高的图像,但采样数的增加会降低单像素成像系统的效率.密度的研究为克服这一缺点提供了很好的参考,具有一定的实际应用价值.","authors":[{"authorName":"李靖","id":"93337709-4165-4fb2-8c73-9df994d882a3","originalAuthorName":"李靖"},{"authorName":"胡海芝","id":"93ffe4dd-0bc8-4bbb-b681-6af9d404fcb9","originalAuthorName":"胡海芝"}],"doi":"10.3969/j.issn.1007-5461.2016.02.004","fpage":"148","id":"73d24ee1-a5fd-4f88-bb88-696267e6ccd2","issue":"2","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"5a19cb7d-3e2e-476c-a247-9cd6a4767d1c","keyword":"图像与信息处理","originalKeyword":"图像与信息处理"},{"id":"8ce4792a-b25f-4e12-9948-617fbec09eca","keyword":"单像素成像","originalKeyword":"单像素成像"},{"id":"a3aca737-2c62-41a4-a8a0-907873391113","keyword":"密度","originalKeyword":"散斑密度"},{"id":"6a0fbe0d-a309-404b-b07c-42a314d49714","keyword":"压缩感知","originalKeyword":"压缩感知"}],"language":"zh","publisherId":"lzdzxb201602004","title":"密度对单像素计算成像系统的影响分析","volume":"33","year":"2016"},{"abstractinfo":"用统计光学原理分析了错位条纹的形成机理,并把相移技术引入错位之中,使该方法不仅具备非接触、高精度和全场实时观测等特点,而且也实现了双材料界面粘接质量的定量无损检测","authors":[{"authorName":"陈金龙","id":"606df076-f5a8-48ec-884d-e1caea3bf366","originalAuthorName":"陈金龙"},{"authorName":"秦玉文","id":"eef99521-7a8d-4441-bb43-1425fb002605","originalAuthorName":"秦玉文"},{"authorName":"计欣华","id":"dde5801d-9cf2-4410-b414-5759a3eb001f","originalAuthorName":"计欣华"}],"doi":"10.3321/j.issn:1000-3851.2001.01.030","fpage":"128","id":"1e87696b-7a9a-4eb4-b9a0-3ee8047a17e4","issue":"1","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"4708c079-f44b-4e26-82ed-b2ca3d5511e0","keyword":"错位","originalKeyword":"错位散斑"},{"id":"270b787e-17fa-4392-bb7f-a02e9c65a411","keyword":"双材料界面","originalKeyword":"双材料界面"},{"id":"c35f58a6-27ad-4894-a17c-3192fab2a05e","keyword":"相移","originalKeyword":"相移"},{"id":"360962c5-8f64-4bf7-aed7-f5dde7975f4e","keyword":"定量无损检测","originalKeyword":"定量无损检测"}],"language":"zh","publisherId":"fhclxb200101030","title":"双材料界面粘接质量定量检测的相移错位技术","volume":"18","year":"2001"},{"abstractinfo":"运用弱散射体产生的部分显现场相位差自由标准偏差的近似表达式,分析了双会聚透镜组成的成像系统产生的部分显现高斯场相位差的自由统计分布.","authors":[{"authorName":"汪千凯","id":"382a85e7-5889-4ad7-827e-43c87e072ed5","originalAuthorName":"汪千凯"}],"doi":"10.3969/j.issn.1007-5461.2004.05.007","fpage":"583","id":"88bd3506-faf1-416b-b61c-dd515146386e","issue":"5","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"ba51078c-2fe0-477b-b813-14a84312ad1e","keyword":"","originalKeyword":"散斑"},{"id":"aee83c4e-d015-465a-84a6-20eb8989f365","keyword":"双会聚透镜成像系统","originalKeyword":"双会聚透镜成像系统"},{"id":"2496d5bd-dd86-493a-95fc-234b5be83a1e","keyword":"像场场","originalKeyword":"像场散斑场"},{"id":"7d1be2e1-a51f-4097-b5d8-f89155878290","keyword":"相位差统计性质","originalKeyword":"相位差统计性质"}],"language":"zh","publisherId":"lzdzxb200405007","title":"像场场相位差的统计性质","volume":"21","year":"2004"},{"abstractinfo":"高聚物广泛地应用于人类生产和生活等各个领域,其力学性能研究在材料、工程结构的优化设计中起着重要的作用.数字相关法(DSCM)是一种光测实验力学方法,该方法具有测量环境要求低、可直接测取位移和应变信息及细观结构、便于实现测量自动化等优点.文中综述了数字相关法在高聚物领域中的应用.","authors":[{"authorName":"马世虎","id":"42120a2d-c5ae-49c0-94f1-7296209f5b73","originalAuthorName":"马世虎"},{"authorName":"李鸿琦","id":"3f89662c-90c9-442f-aad0-58e7afa727d1","originalAuthorName":"李鸿琦"},{"authorName":"邢冬梅","id":"783c67ad-313d-4029-8f01-e340de8e30cc","originalAuthorName":"邢冬梅"},{"authorName":"成国祥","id":"637f5980-eef0-49c2-98a7-c2b294d903a3","originalAuthorName":"成国祥"},{"authorName":"佟景伟","id":"1aedc0b0-a3da-407f-988a-1d0d14fb6ec5","originalAuthorName":"佟景伟"}],"doi":"","fpage":"21","id":"36a9f90a-0808-4918-a503-42947d76ad95","issue":"3","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"2f67b1c6-7715-4f24-8dfb-e3f4e49b1119","keyword":"数字相关法","originalKeyword":"数字散斑相关法"},{"id":"da64242c-a359-4fe9-8bbc-ae23c93e6100","keyword":"高聚物","originalKeyword":"高聚物"},{"id":"0dd90ce7-5770-4fc6-b538-0fd81d50dfa5","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"eda36500-1659-4631-aec5-3858ed8838a4","keyword":"断裂","originalKeyword":"断裂"},{"id":"bda43090-27c2-45a4-a23c-99d89288ea8f","keyword":"共混","originalKeyword":"共混"},{"id":"64053639-38c9-4f7f-a415-72350ff4437d","keyword":"结晶","originalKeyword":"结晶"},{"id":"63e77f23-5be4-4cb6-b4b5-049b857780ae","keyword":"无损检测","originalKeyword":"无损检测"}],"language":"zh","publisherId":"gfzclkxygc200303005","title":"数字相关法在高聚物领域中的应用","volume":"19","year":"2003"}],"totalpage":143,"totalrecord":1427}