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浏览/检索结果: 共10条，第1-10条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Ultrasound intima-media thickness measurement of the carotid artery using ant colony optimization combined with a curvelet-based orientation-selective filter 期刊论文 MEDICAL PHYSICS, 2016 Li, Hao; Zhang, Shijie; Ma, Rui; Chen, Huiren; Xi, Shui; Zhang, Jue; Fang, Jing 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 intima-media thickness  curvelet transform  ant colony optimization  image segmentation  ultrasound imaging  SEGMENTATION TECHNIQUES  BOUNDARY DETECTION  MEASUREMENT SYSTEM  MULTISCALE METHOD  HOUGH TRANSFORM  IMT MEASUREMENT  IMAGES  WALL  ENHANCEMENT  VALIDATION   Quantitative radiology: automated measurement of polyp volume in computed tomography colonography using Hessian matrix-based shape extraction and volume growing 期刊论文 Quantitative imaging in medicine and surgery, 2015 Epstein Mark L; Obara Piotr R; Chen Yisong; Liu Junchi; Zarshenas Amin; Makkinejad Nazanin; Dachman Abraham H; Suzuki Kenji 收藏  |  浏览/下载：10/0  |  提交时间：2017/12/03 Quantitative CT colonography,colon cancer,computed tomography colonography (CTC),computer-aided diagnosis,polyp size,virtual colonoscopy   Microfabric reconstruction via quantitative digital petrographic image analysis for weakly foliated gneisses 期刊论文 tectonophysics, 2013 Yeh, Meng-Wan; Lin, Yu-Ling; Lee, Tung-Yi; Ji, Jian-Qing 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 Best-fit modal  3D foliation reconstruction  Digital micropetrographic image analysis  Shape preferred orientation  SHAPE PREFERRED-ORIENTATION  DEFORMED LINE DISTRIBUTIONS  STRAIN ANALYSIS  DIGITIZED IMAGES  BEST-FIT  ROTATION  PROGRAM  ELLIPSE  GARNET  REGION   HN-Sim: A structural similarity measure over object-behavior networks 其他 2013-01-01 Nian, Jiazhen; Wang, Shanshan; Zhang, Yan 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/17 A comparison of methane emission measurements using eddy covariance and manual and automated chamber-based techniques in Tibetan Plateau alpine wetland 期刊论文 environmental pollution, 2013 Yu, Lingfei; Wang, Hao; Wang, Guangshuai; Song, Weimin; Huang, Yao; Li, Sheng-Gong; Liang, Naishen; Tang, Yanhong; He, Jin-Sheng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Alpine ecosystem  Greenhouse gas  Micrometeorological measurement  Multi-technique assessment  Qinghai-Tibetan Plateau  SOIL CO2 EFFLUX  FLUX MEASUREMENTS  ENVIRONMENTAL CONTROLS  DIURNAL-VARIATION  CH4 EMISSION  PEAT MEADOW  FEN  ECOSYSTEM  FOREST  PRESSURIZATION   Improved-Throughput Traction Microscopy Based on Fluorescence Micropattern for Manual Microscopy 期刊论文 plos one, 2013 Liu, Kai; Yuan, Yuan; Huang, Jianyong; Wei, Qiong; Pang, Mingshu; Xiong, Chunyang; Fang, Jing 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 SUBSTRATE TOPOGRAPHY  FLEXIBLE SUBSTRATA  CELL  FORCES  MIGRATION  ADHESION  FIBROBLASTS  RESPONSES  BEHAVIOR  REVEALS   Accurate and automatic characterization of femtosecond optical pulses 其他 2012-01-01 Deng, Yuqiang; Sun, Qing; Cao, Shiying; Yu, Jing; Wang, Ching-yue; Zhang, Zhigang 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 ULTRASHORT PULSE  PHASE  INTERFEROMETRY  EXTRACTION  WAVELET   Accurate and automatic characterization of femtosecond optical pulses 期刊论文 Metrologia, 2012 Deng, Yuqiang; Sun, Qing; Cao, Shiying; Yu, Jing; Wang, Ching-Yue; Zhang, Zhigang 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Influence of nose perturbations on behaviors of asymmetric vortices over slender body 期刊论文 acta mechanica sinica, 2002 Chen, XR; Deng, XY; Wang, YK; Liu, PW; Gu, ZF 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 asymmetric vortex  slender body of revolution  bistable flow  high angle of attack aerodynamics  VORTEX ASYMMETRY  OGIVE CYLINDER   Influence of nose perturbations on behaviors of asymmetric vortices over slender body 期刊论文 acta mechanica sinicalixue xuebao, 2002 Chen, Xuerui; Deng, Xueying; Wang, Yankui; Liu, Peiqing; Gu, Zhifu 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12