机构

• 长春光学精密机械与物... [2]
• 武汉物理与数学研究所 [2]
• 计算技术研究所 [1]
• 合肥物质科学研究院 [1]

采集方式

• OAI收割 [6]

内容类型

• 期刊论文 [4]
• 会议论文 [2]

发表日期

• 2022 [1]
• 2017 [1]
• 2012 [1]
• 2011 [1]
• 2002 [1]
• 1997 [1]
• 更多

学科主题

筛选

浏览/检索结果: 共6条，第1-6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 Gradient-Aligned convolution neural network 期刊论文  OAI收割 PATTERN RECOGNITION, 2022, 卷号: 122, 页码: 10 作者:  Hao, You;  Hu, Ping;  Li, Shirui;  Udupa, Jayaram K.;  Tong, Yubing   |  收藏  |  浏览/下载：39/0  |  提交时间：2021/12/01 Gradient alignment  Rotation equivariant convolution  Rotation invariant neural network   Global and Local Oriented Edge Magnitude Patterns for Texture Classification 期刊论文  OAI收割 INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE, 2017, 卷号: 31, 期号: 3, 页码: 1-13 作者:  Dong, Jun;  Yuan, Xue;  Xiong, Fanlun 收藏  |  浏览/下载：23/0  |  提交时间：2018/07/04 Texture Classification  Local Binary Pattern  Histogram Of Gradient  Rotation Invariant   Features extraction and matching of teeth image based on the SIFT algorithm (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Computer Application and System Modeling, ICCASM 2012, July 27, 2012 - July 29, 2012, Shenyang, China 作者:  Wang X.;  Wang X.;  Wang X. 收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25 Using of SIFT algorithm in the image of teeth model  can detect the features of the teeth image effectively. In this approach  first  search over all scales and image locations by using a difference-of-Gaussian function to identify potential interest points that are invariant to scale and orientation. Second  select keypoints based on measures of their stability and a detailed model is fit to determine location and scale at each candidate location. Third  assign one or more orientations to each keypoint location based on local image gradient directions. Last  measure the local image gradients at the selected scale in the region around each keypoint. And then use the KNN algorithm to match the features. Through lots of experiments and comparing with other feature extraction methods  this method can detect the features of the teeth model effectively  and offer some available parameters for 3D reconstruction of the teeth model. the authors.   Approach for detecting crowd panic behavior based on fluid kinematic features and entropy (EI CONFERENCE) 会议论文  OAI收割 International Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2011, November 19, 2011 - November 23, 2011, Suzhou, China 作者:  Li Y.;  Li Y.;  Li Y.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25 Crowd panic behavior detection is an important task in video analysis and event recognition  whose purpose is to detect when the panic behavior happened and alarming the abnormal event timely. In this paper  the crowd is regard as a fluid  and the crowd motion is described by four fluid kinematic features (divergence  vorticity  gradient tensor invariant and rotation tensor invariant). To discriminate the panic event from normal crowd behavior  an information entropy is calculated as a high level feature based on the fluid kinematic features. Experimental results show that the entropy raised dramatically once a panic event happened.   Mobius invariant gradient and little alpha-Bloch functions 期刊论文  OAI收割 ACTA MATHEMATICA SCIENTIA, 2002, 卷号: 22, 期号: 3, 页码: 295-301 作者:  Zhuo, WX;  Ouyang, CH 收藏  |  浏览/下载：24/0  |  提交时间：2015/12/03 invariant gradient  little alpha-Bloch function  vanishing q-Carleson measure   Some characterizations of alpha-Bloch spaces on the unit ball of C-n 期刊论文  OAI收割 ACTA MATHEMATICA SCIENTIA, 1997, 卷号: 17, 期号: 4, 页码: 471-477 作者:  Yang, WS 收藏  |  浏览/下载：14/0  |  提交时间：2015/12/01 invariant gradient  alpha-Bloch  beta-Carleson measure