西北工业大学计算机视觉与计算摄像学研究组
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简介

西北工业大学计算机视觉与计算摄像学研究组成立于2002年,隶属于陕西省语音与图像信息处理重点实验室。经过10余年不断发展,已形成三维重建、光场成像及处理、计算摄像理论及应用、目标检测及跟踪等主要研究方向。核心成员包括1名教授,2名副教授,1名讲师,4名联合教授,博士、硕士研究生20余人。研究组与美国CMU、MIT、Stanford、UC Berkeley以及国内清华、北航、国防科大、四川大学、中科院光电研究院、西安光机所、上海光机所、光电技术研究所(成都)等大学和研究机构开展了广泛的合作交流。多年来,研究组承担了多项国家级和省部级科研项目、国际合作项目以及企业合作项目,在国际期刊和会议上发表学术论文100余篇,取得了丰硕的研究成果。

研究方向

光场成像及处理

光场成像理论与方法是计算摄像学领域的研究热点,同时也是近年来国内外学界关注的焦点之一。在继承传统数字成像理论和方法的基础上,光场成像理论通过研究和创新成像模型、改进成像硬件设计,实现了对空间中光线传播位置与角度信息的同时记录,取得了可变视点、数字重聚焦、景深扩展及可调等新颖的成像效果。其研究内容涉及计算机视觉、计算机图形学、信号处理、现代光学等领域,具有明显的多学科交叉特色。光场成像理论不仅为高质量视觉信息获取提供了新的思路,还为计算机视觉问题的求解提供了更优的数据保证,已成为数字成像技术与计算摄像学的重要理论创新点和技术增长点。

相关论文

4D Light Field Segmentation from Light Field Super-pixel Hypergraph Representation [PDF] [BIB]

Xianqiang Lv, Xue Wang, Qing Wang, Jingyi Yu
IEEE Transactions on Visualization and Computer Graphics, 2020, Early Access (2020-03)

Revisiting Spatio-Angular Trade-off in Light Field Cameras and Extended Applications in Super-Resolution [PDF] [BIB]

Hao Zhu, Mantang Guo, Hongdong Li, Qing Wang, Antonio Robles-Kelly
IEEE Transactions on Visualization and Computer Graphics, 2020 (2019-12)

Full View Optical Flow Estimation Leveraged from Light Field Superpixel [PDF] [BIB]

Hao Zhu, Xiaoming Sun, Qi Zhang, Qing Wang, Antonio Robles-Kelly, Hongdong Li, Shaodi You
IEEE Transactions on Computational Imaging, 6(1):12-23, 2020. (2020-01)

4D Light Field Superpixel and Segmentation [PDF] [BIB]

Hao Zhu, Qi Zhang, Qing Wang, Hongdong Li
IEEE Transactions on Image Processing, 29(1):85-99, 2020. (2020-01)

Ray-Space Projection Model for Light Field Camera [PDF] [BIB]

Qi Zhang, Jinbo Ling, Qing Wang, Jingyi Yu
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Long Beach, USA, pp. 10121-10129 (2019-06)

A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras [PDF] [BIB]

Qi Zhang, Chunping Zhang, Jinbo Ling, Qing Wang, Jingyi Yu
IEEE Transactions on Pattern Analysis and Machine Intelligence, 41(11):2539-2552, 2019. (2019-11)

Motion-based Temporal Alignment of Independently Moving Cameras [PDF] [BIB]

Xue Wang, Jianbo Shi, Hyun Soo Park, Qing Wang
IEEE Transactions on Circuits and Systems for Video Technology, 27(11):2344-2354, 2017 (2017-11)

High Angular Resolution Light Field Reconstruction with Coded-Aperture Mask [PDF] [BIB]

Wanxin Qu, Guoqing Zhou, Hao Zhu, Zhaolin Xiao, Qing Wang, Rene Vidal
IEEE Int. Conf. on Image Processing (ICIP), Beijing, China, pp.3036-3040 (2017-09)

Extending the FOV from Disparity and Color Consistencies in Multiview Light Fields [PDF] [BIB]

Zhao Ren, Qi Zhang, Hao Zhu, Qing Wang
IEEE Int. Conf. on Image Processing (ICIP), Beijing, China, pp.1157-1161 (2017-09)

Seeing Beyond Foreground Occlusion: A Joint Framework for SAP Based Scene Depth and Appearance Reconstruction [PDF] [BIB]

Zhaolin Xiao, Lipeng Si, Guoqing Zhou
IEEE Journal of Selected Topics in Signal Processing, 11(7):979-991, 2017 (2017-10)

Light Field Imaging: Models, Calibrations, Reconstructions, and Applications [PDF] [BIB]

Hao Zhu, Qing Wang, Jingyi Yu
Frontiers of Information Technology & Electronic Engineering, 18(9):1236-1249, 2017 (2017-09)

Occlusion-Model Guided Anti-Occlusion Depth Estimation in Light Field [PDF] [BIB]

Hao Zhu, Qing Wang, Jingyi Yu
IEEE Journal of Selected Topics in Signal Processing, 11(7):965-978, 2017 (2017-10)

4D Light Field Superpixel and Segmentation [PDF] [BIB]

Hao Zhu, Qi Zhang, Qing Wang
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Hawaii, USA, pp. 6709-6717 (2017-07)

Aliasing Detection and Reduction Scheme on Angularly Undersampled Light Fields [PDF] [BIB]

Zhaolin Xiao, Qing Wang, Guoqing Zhou, Jingyi Yu
IEEE Transactions on Image Processing, 26(5): 2103-2115, 2017 (2017-05)

Dense Depth-map Estimation and Geometry Inference from Light Fields via Global Optimization [PDF] [BIB]

Lipeng Si, Qing Wang
Asian Conference on Computer Vision (ACCV), Taipei, China, pp.83-98, 2017 (2016-11)

光场相机成像模型及参数标定方法综述 [PDF] [BIB]

张春萍, 王庆
中国激光(Chinese Journal of Lasers), 43(6):0609004, 2016 (2016-06)

基于光场分析的多线索融合深度估计方法 [PDF] [BIB]

杨德刚,肖照林,杨恒,王庆
计算机学报 (Chinese Journal of Computers), 38(12):2437-2449 (2015-12)

Aliasing Detection and Reduction in Plenoptic Imaging [PDF] [BIB]

Zhaolin Xiao, Qing Wang, Guoqing Zhou, Jingyi Yu
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, USA, pp. 3326-3333 (2014-06)

计算摄像学及应用

计算摄像融合光学、量子科学、信息科学,旨在综合计算传感、计算光路、智能光照等技术,从图像和视频获取的机理上来改进传统相机,并将硬件设计与软件计算能力有机结合,突破经典摄像模型和数字相机的局限性,包括突破传统光学成像视场与分辨率的矛盾,打破微观与宏观成像的壁垒;突破传统视觉研究的光速无限假设,使人类得以观察光线在场景中的传播过程;计算摄像领域是一个很宽广的研究领域,而且还在不停地扩展和延伸。计算摄像领域也是一个典型的交叉学科领域,将计算摄像学的研究思路与方法同其他领域的研究相结合,未来将实现拐角三维成像、无镜头成像、内窥镜拐角成像、超光谱视频成像、飞秒成像、百亿像素视频成像、穿透成像、脑视频成像等,并推动视觉信息的显示及理解,是未来一个具有广阔研究空间的前沿发展方向。

相关论文

一种基于视频数据驱动的水体表面模型生成方法 [PDF] [BIB]

陈丛,王庆
计算机应用研究 (2014-03)

基于多视场星敏感器的三角形星图识别方法 [PDF] [BIB]

熊雪,王庆
计算机测量与控制 (2014-01)

针对光场图像的多尺度抗混叠绘制方法 [PDF] [BIB]

肖照林,王庆,周果清,杨恒
计算机辅助设计与图形学学报 (Journal of CAD and CG), 26(7):1126-1134 (2014-07)

一种基于视频的水下场景复原算法 [PDF] [BIB]

李磊,王庆,肖照林
系统仿真学报 (2012-01)

一种基于视频的水下场景复原算法 [PDF] [BIB]

李磊,王庆,肖照林
ChinaVR2011 (2011-01)

e-Silkroad: A Sample of Combining Social Media with Cultural Tourism [PDF] [BIB]

Qing Wang, Xiaozhen Qi, Jiong Xu
ACM MM 2010 Workshop on Connected Multimedia, 27-32 (2010-10)

Modeling Urban Scenes in the Spatial-Temporal Space [PDF] [BIB]

Jiong Xu, Qing Wang, Jie Yang
ACCV 2010, 374-387 (2011-11)

三维重建及表现

三维重建是计算机视觉的基本任务之一,通过获取场景的深度数据以及相机的姿态信息,可以重建场景的几何结构,为场景目标检测、分割以及背景建模等提供基础数据。

相关论文

Accurate 3D Reconstruction from Circular Light Field Using CNN-LSTM [PDF] [BIB]

Zhengxi Song, Hao Zhu, Qi Wu, Xue Wang, Hongdong Li, Qing Wang
IEEE Int. Conf. on Multimedia and Expo (ICME), London, UK, 2020 (2020-05)

A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras [PDF] [BIB]

Qi Zhang, Chunping Zhang, Jinbo Ling, Qing Wang, Jingyi Yu
IEEE Transactions on Pattern Analysis and Machine Intelligence, 41(11):2539-2552, 2019. (2019-11)

Motion-based Temporal Alignment of Independently Moving Cameras [PDF] [BIB]

Xue Wang, Jianbo Shi, Hyun Soo Park, Qing Wang
IEEE Transactions on Circuits and Systems for Video Technology, 27(11):2344-2354, 2017 (2017-11)

Seeing Beyond Foreground Occlusion: A Joint Framework for SAP Based Scene Depth and Appearance Reconstruction [PDF] [BIB]

Zhaolin Xiao, Lipeng Si, Guoqing Zhou
IEEE Journal of Selected Topics in Signal Processing, 11(7):979-991, 2017 (2017-10)

Robust Outlier Removal Using Penalized Linear Regression in Multiview Geometry [PDF] [BIB]

Guoqing Zhou, Qing Wang, Zhaolin Xiao
Neurocomputing, 267:455-465, 2017 (2017-08)

Aliasing Detection and Reduction Scheme on Angularly Undersampled Light Fields [PDF] [BIB]

Zhaolin Xiao, Qing Wang, Guoqing Zhou, Jingyi Yu
IEEE Transactions on Image Processing, 26(5): 2103-2115, 2017 (2017-05)

Video Synchronization with Trajectory Pulse [PDF] [BIB]

Xue Wang, Qing Wang
4th Chinese Conference on Intelligent Visual Surveillance (2016-10)

Sparse Representation with Geometric Configuration Constraint for Line Segment Matching [PDF] [BIB]

Qing Wang, Tingwang Chen, Lipeng Si
Neurocomputing, 134(25):100-110, 2014 (2014-01)

Reconstructing Scene Depth and Appearance behind Foreground Occlusion Using Camera Array [PDF] [BIB]

Zhaolin Xiao, Qing Wang, Lipeng Si, Guoqing Zhou
ICIP 2014, 41-45 (2014-10)

针对摄像机矩阵估计的增强连续禁忌搜索方法 [PDF] [BIB]

周果清,王庆
电子学报 (ACTA ELECTRONICA SINICA), 42(12):2422-2428 (2014-12)

Enhanced Continuous Tabu Search for Parameter Estimation in Multiview Geometry [PDF] [BIB]

Guoqing Zhou, Qing Wang
ICCV 2013, 3240-3247 (2013-12)

基于minmaxKKT条件的三维重构方法 [PDF] [BIB]

周果清,王庆
自动化学报 (ACTA AUTOMATICA SINICA), 38(9):1439-1444 (2012-09)

Sparse Representation with Geometric Configuration Constraint for Line Segment Matching [PDF] [BIB]

Qing Wang, Tingwang Chen
IScIDE 2011, LNCS 7202:498-505 (2011-10)

面向大规模场景的三维线段检测算法 [PDF] [BIB]

陈庭旺, 王庆
ChinaVR (2010-10)

一种对城市场景进行时空建模的方法 [PDF] [BIB]

徐炯, 王庆
2010年中国计算机大会 (2010-10)

Modeling Urban Scenes in the Spatial-Temporal Space [PDF] [BIB]

Jiong Xu, Qing Wang, Jie Yang
ACCV 2010, 374-387 (2011-11)

3D Line Segment Detection for Unorganized Point Clouds from Multi-view Stereo [PDF] [BIB]

Tingwang Chen, Qing Wang
ACCV 2010, 400-411 (2010-11)

Distance-Based Multiple Paths Quantization of Vocabulary Tree for Object and Scene Retrieval [PDF] [BIB]

Heng Yang, Qing Wang, Ellen Yi-Luen Do
ACCV 2009, 313-322 (2010-01)

Robust Wide Baseline Point Matching Based on Scale Invariant Feature Descriptor [PDF] [BIB]

Sicong Yue, Qing Wang, Rongchun Zhao
Chinese Journal of Aeronautics, 22(1):70-74 (2009-02)

Multiple Unordered Wide-Baseline Image Matching and Grouping [PDF] [BIB]

Zhoucan He, Qing Wang, Heng Yang
ICME 2009, 690-693 (2009-07)

Distance-based Multiple Paths Quantization of Vocabulary Tree for Object and Scene Retrieval [PDF] [BIB]

Heng Yang, Qing Wang, Ellen Do
ACCV 2009, 313-322 (2009-09)

Grouping and Organizing Unordered Images for Multi-View Feature Correspondences [PDF] [BIB]

Zhoucan He, Qing Wang
ICIG 2009, 490-495 (2009-09)

Efficient Scene Image Clustering for Internet Collections [PDF] [BIB]

Heng Yang, Qing Wang, Zhoucan He
ICIG 2009, 471-476 (2009-09)

A Novel Local Feature Descriptor for Image Matching [PDF] [BIB]

Heng Yang, Qing Wang
ICME 2008, 1405-1408 (2008-06)

Indexing Sub-Vector Distance for High-Dimensional Feature Matching. [PDF] [BIB]

Heng Yang, Qing Wang, Zhoucan He
BMVC 2008 (2008-09)

Randomized Sub-vectors Hashing for High-dimensional Image Feature Matching [PDF] [BIB]

Heng Yang, Qing Wang, Zhoucan He
ACM Multimedia 2008, 705-708 (2008-10)

目标检测与跟踪

目标检测与跟踪是计算机视觉领域的一个重要研究方向。

相关论文

Figure-Aware Tracking under Occlusion from Monocular Videos [PDF] [BIB]

Xue Wang, Qing Wang
ICVRV 2014, 116-121 (2014-08)

Coupled Data Association and L1 Minimization for Multiple Object Tracking under Occlusion [PDF] [BIB]

Xue Wang, Qing Wang
SPIE/COS Photonics Asia, 9273 (2014-11)

Tour Routes Recommendation Begins with Multimodal Classification [PDF] [BIB]

Xiujun Chen, Qing Wang
Journal of Multimedia, 7(1):21-30 (2012-01)

一种基于稀疏编码的多核学习图像分类方法 [PDF] [BIB]

亓晓振,王庆
电子学报 (ACTA ELECTRONICA SINICA), 40(4):773-779 (2012-04)

Spatio-Temporal Clustering Model for Multi- Object Tracking through Occlusions [PDF] [BIB]

Lei Zhang, Qing Wang
ACCV 2012, 177-190 (2012-11)

A Comprehensive Evaluation on Non-deterministic Motion Estimation [PDF] [BIB]

Changzhu Wu, Qing Wang
ICPR 2010, 2333-2336 (2010-08)

Drinking Activity Analysis from Fast Food Eating Video Using Generative Models [PDF] [BIB]

Qing Wang, Jie Yang
ACM MM 2009 Workshop on Multimedia for Cooking and Eating activities, 31-38 (2009-10)

Motion Estimation Approach Based on Dual-tree Complex Wavelets [PDF] [BIB]

Changzhu Wu, Qing Wang, Hongxiao Wang
ICPR 2008, 1-4 (2008-12)

A Novel Human Gait Recognition Method by Segmenting and Extracting the Region Variance Feature [PDF] [BIB]

Yanmei Chai, Qing Wang, Jingping Jia, Rongchun Zhao
ICPR 2006, 425-428 (2006-08)

QP_TR: Trust Region Blob Tracking Through Scale-Space [PDF] [BIB]

Jingping Jia, Qing Wang, Yanmei Chai, Rongchun Zhao
ICIP 2006, 1781-1784 (2006-08)

QP_TR: Trust Region Blob Tracking Through Scale-Space with Automatic Selection of Features [PDF] [BIB]

Jingping Jia, Qing Wang, Yanmei Chai, Rongchun Zhao
ICIAR (2006-09)