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浏览/检索结果: 共23条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Display method for high dynamic range infrared image based on gradient domain guided image filter 期刊论文  OAI收割 OPTICAL ENGINEERING, 2024, 卷号: 63, 期号: 1 作者:  Zhang, Feifei;  Dai, Yimian;  Chen, Yaohong;  Peng, Xuedian;  Zhu, Xiongyong   |  收藏  |  浏览/下载：12/0  |  提交时间：2024/06/07 display methods  infrared images  gradient domain guided image filter  high dynamic range compression  detail enhancement   Design of an Intelligent Variable-Flow Recirculating Aquaculture System Based on Machine Learning Methods 期刊论文  OAI收割 APPLIED SCIENCES-BASEL, 2021, 卷号: 11, 期号: 14, 页码: 15 作者:  Chen, Fudi;  Du, Yishuai;  Qiu, Tianlong;  Xu, Zhe;  Zhou, Li   |  收藏  |  浏览/下载：35/0  |  提交时间：2021/08/17 recirculating aquaculture system  variable-flow regulation model  circulating pump-drum filter linkage working technique  machine learning methods  gene algorithm support vector machine   F-0-Noise-Robust Glottal Source and Vocal Tract Analysis Based on ARX-LF Model 期刊论文  OAI收割 IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, 2021, 卷号: 29, 页码: 3375-3383 作者:  Li, Yongwei;  Tao, Jianhua;  Erickson, Donna;  Liu, Bin;  Akagi, Masato   |  收藏  |  浏览/下载：17/0  |  提交时间：2021/12/28 Speech recognition  Iterative methods  Production  Estimation  Brain modeling  Shape  Low-frequency noise  Glottal source  vocal tract  source-filter model  ARX-LF model   Applying maximally stable extremal regions and local binary patterns for guide-wire detecting in percutaneous coronary intervention 期刊论文  OAI收割 IET IMAGE PROCESSING, 2019, 卷号: 13, 期号: 13, 页码: 2579-2586 作者:  Pusit, Prasong;  Xie, Xiao-Liang;  Hou, Zeng-Guang   |  收藏  |  浏览/下载：50/0  |  提交时间：2020/03/30 blood vessels  medical image processing  surgery  image sequences  video signal processing  image filtering  object detection  X-ray imaging  object tracking  stroke width variation filter  region detection  local binary patterns  guide-wire recognition  conventional MSER methods  maximally stable extremal regions  guide-wire position  anatomical skeleton contours  training data  X-ray video sequence  percutaneous coronary intervention surgery  region area range filter  X-ray video monitoring  guide-wire tip detection  modified multifilters  training templates   Robust correlation filter tracking with deep semantic supervision 期刊论文  OAI收割 IET IMAGE PROCESSING, 2019, 卷号: 13, 期号: 5, 页码: 754-760 作者:  Wang, Wei;  Chen, Zhaoming;  Douadji, Lyes;  Shi, Mingquan   |  收藏  |  浏览/下载：87/0  |  提交时间：2019/06/24 particle filtering (numerical methods)  learning (artificial intelligence)  target tracking  convolutional neural nets  robust correlation filter tracking  high tracking performance  tracking failure  deep semantic supervision tracking framework  redetection tracking mechanism  particle filtering resampling  CF tracker  deep convolutional neural network  tracking frames  target occlusion  handcrafted features  real-time performance  OTB2013 benchmark datasets  OTB2015 benchmark datasets   Long-term adaptive tracking via complementary trackers 期刊论文  OAI收割 Iet Image Processing, 2019, 卷号: 13, 期号: 9, 页码: 1569-1577 作者:  W.C.Dai;  L.X.Jin;  G.N.Li   |  收藏  |  浏览/下载：32/0  |  提交时间：2020/08/24 adaptive filters,correlation methods,tracking filters,kernelised,correlation filter-based trackers,short-term tracking problems,complementary trackers   Relative closeness ranking of Kalman filtering with multiple mismatched measurement noise covariances 期刊论文  OAI收割 IET CONTROL THEORY AND APPLICATIONS, 2018, 卷号: 12, 期号: 8, 页码: 1133-1140 作者:  Shao, Teng;  Ge, Quanbo;  Duan, Zhansheng;  Yu, Junzhi   |  收藏  |  浏览/下载：32/0  |  提交时间：2018/10/10 Linear Systems  Kalman Filters  Mean Square Error Methods  Relative Closeness Ranking  Kalman Filtering  Multiple Mismatched Measurement Noise Covariances  Linear Dynamic Systems  Ideal Mse  Filter Calculated Mse  True Mse  Fmse  Tmse  Imse  Mean Squared Error   Compensating the PTR and LPF Features of the HY-2A Satellite Altimeter Utilizing Look-Up Tables 期刊论文  OAI收割 IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2015, 卷号: 8, 期号: 1, 页码: 149-159 作者:  Xu, Xi-Yu;  Xu, Ke;  Wang, Zhen-Zhan;  Liu, He-Guang;  Wang, Lei 收藏  |  浏览/下载：24/0  |  提交时间：2015/09/28 Low-pass filter (LPF)  maximum likelihood estimation  measurement errors  Monte Carlo methods  radar altimetry   The research on adaptive measurement of angular acceleration for photoelectric servo turntable (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Mechatronic Science, Electric Engineering and Computer, MEC 2011, August 19, 2011 - August 22, 2011, Jilin, China 作者:  Guo J.;  Chen J.;  Guo J. 收藏  |  浏览/下载：21/0  |  提交时间：2013/03/25 The paper proposes a new measurement method of angular acceleration for photoelectric servo turntable. Piezoelectric angular acceleration sensor is used to measure angular acceleration directly  Adaptive FIR filter based on LMS algorithm is established on DSP  by which angular acceleration signal can be filtered and corrected errors adaptively  then angular acceleration signals can be measured adaptively. This method avoids measurement errors and calculation noise by computing angular acceleration indirectly  thus improving measurement precision and making measurement results better than traditional methods. The gotten angular acceleration can be sent to servo control mechanism as feed forward control signals to improve control effects of servo turntable significantly. 2011 IEEE.   Analyse the angular velocity estimation errors of -- filter based on high sampling rate (EI CONFERENCE) 会议论文  OAI收割 2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China 作者:  Zhang Y. 收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25 In order to get angular velocity of stabilization servo mechanism from angular position sensors  -- filter based on high sampling rate was established  model and error characteristics were analyzed. With the hypothesis of constant acceleration  -- filter and its angular velocity transfer function were deduced. Combing with optimum parameters  the effects of and sample rate on the error characteristics were evaluated. According to the requirements of stabilization servo mechanism  the frequency characteristics of angular velocity transfer function are analyzed  and the filter parameters are designed. The experimental which filter tracked and smoothed sinusoidal signal  the results show that when the cutoff frequency of angular velocity loop is 44.9rad/s  sampling period and parameters are 0.08ms and 0.01279 respectively  the phase leading of angular position is 70. -- filter tracked sinusoidal signals with maximum angular velocity(30/s) and maximum angular acceleration(30/s2)  the error of angular velocity estimation was 0.053/s. In the engineering of electro-optical stabilization servo mechanism  -- filter can reduce noise effectively  and reached the requirement of platform angular velocity estimation. Also it is one of the effective methods to get angular velocity from angular position sensors. 2011 IEEE.