Search Results - "Ying, Xianghua"

Deep Unsupervised Domain Adaptation with Time Series Sensor Data: A Survey by Shi, Yongjie, Ying, Xianghua, Yang, Jinfa

“…Sensors are devices that output signals for sensing physical phenomena and are widely used in all aspects of our social production activities. The continuous…”
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Geometric Interpretations of the Relation between the Image of the Absolute Conic and Sphere Images by Ying, Xianghua, Zha, Hongbin

“…A spherical object has been introduced into camera calibration for several years through utilizing the properties of an image conic, which is the projection of…”
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Vanishing point detection using cascaded 1D Hough Transform from single images by Li, Bo, Peng, Kun, Ying, Xianghua, Zha, Hongbin

“…► We used 1D histogram to detect vanishing points. ► We proposed new constraints for vanishing points in “Manhattan world”. ► Vanishing point detection in…”
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Catadioptric camera calibration using geometric invariants by Ying, Xianghua, Hu, Zhanyi

“…Central catadioptric cameras are imaging devices that use mirrors to enhance the field of view while preserving a single effective viewpoint. In this paper, we…”
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Self-Calibration of Catadioptric Camera with Two Planar Mirrors from Silhouettes by Ying, Xianghua, Peng, Kun, Hou, Yongbo, Guan, Sheng, Kong, Jing, Zha, Hongbin

“…If an object is interreflected between two planar mirrors, we may take an image containing both the object and its multiple reflections, i.e., simultaneously…”
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Identical Projective Geometric Properties of Central Catadioptric Line Images and Sphere Images with Applications to Calibration by Ying, Xianghua, Zha, Hongbin

“…Central catadioptric cameras are imaging devices that use mirrors to enhance the field of view while preserving a single effective viewpoint. Lines and spheres…”
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A Fast Algorithm for Multidimensional Ellipsoid-Specific Fitting by Minimizing a New Defined Vector Norm of Residuals Using Semidefinite Programming by Ying, Xianghua, Yang, Li, Zha, Hongbin

“…A quadratic surface in n-dimensional space is defined as the locus of zeros of a quadratic polynomial. The quadratic polynomial may be compactly written in…”
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Camera Calibration from Periodic Motion of a Pedestrian by Shiyao Huang, Xianghua Ying, Jiangpeng Rong, Zeyu Shang, Hongbin Zha

“…Camera calibration directly from image sequences of a pedestrian without using any calibration object is a really challenging task and should be well solved in…”
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Radial distortion correction from a single image of a planar calibration pattern using convex optimization by Xianghua Ying, Xiang Mei, Sen Yang, Ganwen Wang, Hongbin Zha

“…In Hartley-Kang's paper [7], they directly treated a planar calibration pattern as an image to construct an image pair together with a radial distorted image…”
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Radial lens distortion correction using cascaded one-parameter division model by Xiang Mei, Sen Yang, Jiangpeng Rong, Xianghua Ying, Shiyao Huang, Hongbin Zha

“…Radial lens distortion is the most significant lens distortion in current cameras, and many models are proposed to describe it. Fitzgibbon presented the…”
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Ellipse-specific fitting by relaxing the 3L constraints with semidefinite programming by Jiangpeng Rong, Sen Yang, Xiang Mei, Xianghua Ying, Shiyao Huang, Hongbin Zha

“…This paper presents a new efficient method to increase the accuracy and the robustness of ellipse fitting, by utilizing the 3L algorithm and semidefinite…”
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FPSMix: data augmentation strategy for point cloud classification by Chen, Taiyan, Ying, Xianghua

“…Data augmentation is a widely used regularization strategy in deep neural networks to mitigate overfitting and enhance generalization. In the context of point…”
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The Perspective-3-Point Problem When Using a Planar Mirror by Xianghua Ying, Ganwen Wang, Xiang Mei, Sen Yang, Hongbin Zha

“…The Perspective-3-Point problem (P3P) is a classical and fundamental problem in computer vision. All possible solution sets for the P3P problem are from 1 to 4…”
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Canonicalized central absolute moment for edge-based color constancy by Xianghua Ying, Lulu Hou, Yongbo Hou, Jing Kong, Hongbin Zha

“…In the recent paper by Weijer et al. [9], the authors proposed the Grey-Edge hypothesis, which assumes that the average edge difference in the scene is…”
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Rectifying self-training with neighborhood consistency and proximity for source-free domain adaptation by Xing, Bowei, Ying, Xianghua, Wang, Ruibin

“…Source-free domain adaptation (SFDA) seeks to transfer knowledge from the source domain to the target domain by leveraging only unlabeled target data and…”
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Geometric properties of multiple reflections in catadioptric camera with two planar mirrors by Xianghua Ying, Kun Peng, Ren Ren, Hongbin Zha

“…A catadioptric system consisting of a pinhole camera and two planar mirrors is deeply investigated in this paper. The two mirrors combine to form a corner and…”
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Direct least square fitting of ellipsoids by Xianghua Ying, Li Yang, Jing Kong, Yongbo Hou, Sheng Guan, Hongbin Zha

“…Least square fitting of quadratic surfaces is a fundamental problem in pattern recognition, computer vision, graphics, and medical imaging analysis. This paper…”
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Exploiting Temporal Correlations for 3D Human Pose Estimation by Wang, Ruibin, Ying, Xianghua, Xing, Bowei

“…Exploiting the rich temporal information in human pose sequences to facilitate 3D pose estimation has garnered particular attention. While various learning…”
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An Efficient Method for the Detection of Projected Concentric Circles by Xianghua Ying, Hongbin Zha

“…Concentric circles are often used as calibration features since they possess good geometric properties. This paper presents an efficient method for the…”
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Unsupervised Domain Adaptation for Semantic Segmentation of Urban Street Scenes Reflected by Convex Mirrors by Shi, Yongjie, Ying, Xianghua, Zha, Hongbin

“…Reflective convex mirrors are often used on street corners or as passenger-side mirrors on cars to obtain scene information by reflecting blind spots in the…”
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