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Point Cloud Registration (PCR) is a critical and challenging task in computer vision. One of the primary difficulties in PCR is identifying salient and meaningful points that exhibit consistent semantic and geometric properties across…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Qianliang Wu , Yaqing Ding , Lei Luo , Haobo Jiang , Shuo Gu , Chuanwei Zhou , Jin Xie , Jian Yang

Given new pairs of source and target point sets, standard point set registration methods often repeatedly conduct the independent iterative search of desired geometric transformation to align the source point set with the target one. This…

Graphics · Computer Science 2019-07-30 Lingjing Wang , Xiang Li , Jianchun Chen , Yi Fang

Graph Neural Networks (GNNs) are a promising deep learning approach for circumventing many real-world problems on graph-structured data. However, these models usually have at least one of four fundamental limitations: over-smoothing,…

Machine Learning · Computer Science 2022-10-03 Xun Liu , Alex Hay-Man Ng , Fangyuan Lei , Yikuan Zhang , Zhengmin Li

Multi-person pose estimation is a fundamental yet challenging task in computer vision. Both rich context information and spatial information are required to precisely locate the keypoints for all persons in an image. In this paper, a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Dongdong Yu , Kai Su , Xin Geng , Changhu Wang

Recent years have seen flourishing research on both semi-supervised learning and 3D room layout reconstruction. In this work, we explore the intersection of these two fields to advance the research objective of enabling more accurate 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Phi Vu Tran

Deep learning provides a powerful new approach to many computer vision tasks. Height prediction from aerial images is one of those tasks that benefited greatly from the deployment of deep learning which replaced old multi-view geometry…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Elhousni Mahdi , Zhang Ziming , Huang Xinming

In this work, we propose a self-supervised learning method for affine image registration on 3D medical images. Unlike optimisation-based methods, our affine image registration network (AIRNet) is designed to directly estimate the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Evelyn Chee , Zhenzhou Wu

6D pose estimation of rigid objects is a long-standing and challenging task in computer vision. Recently, the emergence of deep learning reveals the potential of Convolutional Neural Networks (CNNs) to predict reliable 6D poses. Given that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xingyu Liu , Ruida Zhang , Chenyangguang Zhang , Gu Wang , Jiwen Tang , Zhigang Li , Xiangyang Ji

We present a novel multilevel approach for deep learning based image registration. Recently published deep learning based registration methods have shown promising results for a wide range of tasks. However, these algorithms are still…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Alessa Hering , Bram van Ginneken , Stefan Heldmann

We propose a method for room layout estimation that does not rely on the typical box approximation or Manhattan world assumption. Instead, we reformulate the geometry inference problem as an instance detection task, which we solve by…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Henry Howard-Jenkins , Shuda Li , Victor Prisacariu

Diffeomorphic image registration is crucial for various medical imaging applications because it can preserve the topology of the transformation. This study introduces DCCNN-LSTM-Reg, a learning framework that evolves dynamically and learns…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Jinqiu Deng , Ke Chen , Mingke Li , Daoping Zhang , Chong Chen , Alejandro F. Frangi , Jianping Zhang

Recent researches on panoptic segmentation resort to a single end-to-end network to combine the tasks of instance segmentation and semantic segmentation. However, prior models only unified the two related tasks at the architectural level…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Yangxin Wu , Gengwei Zhang , Yiming Gao , Xiajun Deng , Ke Gong , Xiaodan Liang , Liang Lin

Traditional multi-view stereo (MVS) methods rely heavily on photometric and geometric consistency constraints, but newer machine learning-based MVS methods check geometric consistency across multiple source views only as a post-processing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Vibhas K. Vats , Sripad Joshi , David J. Crandall , Md. Alimoor Reza , Soon-heung Jung

A proper scene representation is central to the pursuit of spatial intelligence where agents can robustly reconstruct and efficiently understand 3D scenes. A scene representation is either metric, such as landmark maps in 3D reconstruction,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Juexiao Zhang , Gao Zhu , Sihang Li , Xinhao Liu , Haorui Song , Xinran Tang , Chen Feng

We present a novel non-iterative learnable method for partial-to-partial 3D shape registration. The partial alignment task is extremely complex, as it jointly tries to match between points and identify which points do not appear in the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Dvir Ginzburg , Dan Raviv

This paper tackles the unsupervised depth estimation task in indoor environments. The task is extremely challenging because of the vast areas of non-texture regions in these scenes. These areas could overwhelm the optimization process in…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Zehao Yu , Lei Jin , Shenghua Gao

We consider the problem of vision-based pose estimation for autonomous systems. While deep neural networks have been successfully used for vision-based tasks, they inherently lack provable guarantees on the correctness of their output,…

Robotics · Computer Science 2026-01-27 Ulices Santa Cruz , Mahmoud Elfar , Yasser Shoukry

The rapid development of spatial transcriptomics (ST) offers new opportunities to explore the gene expression patterns within the spatial microenvironment. Current research integrates pathological images to infer gene expression, addressing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Junchao Zhu , Ruining Deng , Tianyuan Yao , Juming Xiong , Chongyu Qu , Junlin Guo , Siqi Lu , Yucheng Tang , Daguang Xu , Mengmeng Yin , Yu Wang , Shilin Zhao , Yaohong Wang , Haichun Yang , Yuankai Huo

Geometry plays a significant role in monocular 3D object detection. It can be used to estimate object depth by using the perspective projection between object's physical size and 2D projection in the image plane, which can introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Yan Lu , Xinzhu Ma , Lei Yang , Tianzhu Zhang , Yating Liu , Qi Chu , Tong He , Yonghui Li , Wanli Ouyang

Existing approaches for fine-grained visual recognition focus on learning marginal region-based representations while neglecting the spatial and scale misalignments, leading to inferior performance. In this paper, we propose the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Lizhao Gao , Haihua Xu , Chong Sun , Junling Liu , Yu-Wing Tai
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