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Neuron reconstruction is essential to generate exquisite neuron connectivity map for understanding brain function. Despite the significant amount of effect that has been made on automatic reconstruction methods, manual tracing by…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Donghuan Lu , Sujun Zhao , Peng Xie , Kai Ma , Lijuan Liu , Yefeng Zheng

Reconstructing a continuous surface from an unoritented 3D point cloud is a fundamental task in 3D shape processing. In recent years, several methods have been proposed to address this problem using implicit neural representations (INRs).…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Ryutaro Yamauchi , Jinya Sakurai , Ryo Furukawa , Tatsushi Matsubayashi

Contemporary deep neural networks offer state-of-the-art results when applied to visual reasoning, e.g., in the context of 3D point cloud data. Point clouds are important datatype for precise modeling of three-dimensional environments, but…

Machine Learning · Computer Science 2022-05-23 Maciej Zamorski , Michał Stypułkowski , Konrad Karanowski , Tomasz Trzciński , Maciej Zięba

Despite the potential of neural scene representations to effectively compress 3D scalar fields at high reconstruction quality, the computational complexity of the training and data reconstruction step using scene representation networks…

Graphics · Computer Science 2022-07-26 Sebastian Weiss , Philipp Hermüller , Rüdiger Westermann

In this paper we propose an iterative method to address the face identification problem with block occlusions. Our approach utilizes a robust representation based on two characteristics in order to model contiguous errors (e.g., block…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Michael Iliadis , Haohong Wang , Rafael Molina , Aggelos K. Katsaggelos

Point clouds captured in real-world applications are often incomplete due to the limited sensor resolution, single viewpoint, and occlusion. Therefore, recovering the complete point clouds from partial ones becomes an indispensable task in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Xumin Yu , Yongming Rao , Ziyi Wang , Zuyan Liu , Jiwen Lu , Jie Zhou

Rendering photorealistic and dynamically moving human heads is crucial for ensuring a pleasant and immersive experience in AR/VR and video conferencing applications. However, existing methods often struggle to model challenging facial…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Cong Wang , Di Kang , Yan-Pei Cao , Linchao Bao , Ying Shan , Song-Hai Zhang

In this paper, we propose a novel approach to 3D deformable object manipulation leveraging a deep neural network called DeformerNet. Controlling the shape of a 3D object requires an effective state representation that can capture the full…

Robotics · Computer Science 2021-07-20 Bao Thach , Alan Kuntz , Tucker Hermans

Deformable image registration is fundamental to longitudinal and population analysis. Geometric alignment of the infant brain MR images is challenging, owing to rapid changes in image appearance in association with brain development. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Dongming Wei , Sahar Ahmad , Yunzhi Huang , Lei Ma , Zhengwang Wu , Gang Li , Li Wang , Qian Wang , Pew-Thian Yap , Dinggang Shen

Given the rapid development of 3D scanners, point clouds are becoming popular in AI-driven machines. However, point cloud data is inherently sparse and irregular, causing significant difficulties for machine perception. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shi Qiu , Saeed Anwar , Nick Barnes

We present SeeingThroughClutter, a method for reconstructing structured 3D representations from single images by segmenting and modeling objects individually. Prior approaches rely on intermediate tasks such as semantic segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Rio Aguina-Kang , Kevin James Blackburn-Matzen , Thibault Groueix , Vladimir Kim , Matheus Gadelha

Reconstructing desired objects and scenes has long been a primary goal in 3D computer vision. Single-view point cloud reconstruction has become a popular technique due to its low cost and accurate results. However, single-view…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Wenrui Li , Zhe Yang , Wei Han , Hengyu Man , Xingtao Wang , Xiaopeng Fan

The world around us is full of soft objects we perceive and deform with dexterous hand movements. For a robotic hand to control soft objects, it has to acquire online state feedback of the deforming object. While RGB-D cameras can collect…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Elham Amin Mansour , Hehui Zheng , Robert K. Katzschmann

Learning a dense 3D model with fine-scale details from a single facial image is highly challenging and ill-posed. To address this problem, many approaches fit smooth geometries through facial prior while learning details as additional…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Xingyu Ren , Alexandros Lattas , Baris Gecer , Jiankang Deng , Chao Ma , Xiaokang Yang , Stefanos Zafeiriou

Physics-driven artificial intelligence (PD-AI) reconstruction methods have emerged as the state-of-the-art for accelerating MRI scans, enabling higher spatial and temporal resolutions. However, the high resolution of these scans generates…

Image and Video Processing · Electrical Eng. & Systems 2025-06-05 Yaşar Utku Alçalar , Yu Cao , Mehmet Akçakaya

3D shape representations that accommodate learning-based 3D reconstruction are an open problem in machine learning and computer graphics. Previous work on neural 3D reconstruction demonstrated benefits, but also limitations, of point cloud,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Jun Gao , Wenzheng Chen , Tommy Xiang , Clement Fuji Tsang , Alec Jacobson , Morgan McGuire , Sanja Fidler

Existing polygonal surface reconstruction methods heavily depend on input completeness and struggle with incomplete point clouds. We argue that while current point cloud completion techniques may recover missing points, they are not…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zhaiyu Chen , Yuqing Wang , Liangliang Nan , Xiao Xiang Zhu

In this paper, we first propose a variational model for the limited-angle computed tomography (CT) image reconstruction and then convert the model into an end-to-end deep network.We use the penalty method to solve the model and divide it…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Wei Wang , Xiang-Gen Xia , Chuanjiang He , Zemin Ren , Jian Lu , Tianfu Wang , Baiying Lei

Recently deep residual learning with residual units for training very deep neural networks advanced the state-of-the-art performance on 2D image recognition tasks, e.g., object detection and segmentation. However, how to fully leverage…

Computer Vision and Pattern Recognition · Computer Science 2016-08-23 Hao Chen , Qi Dou , Lequan Yu , Pheng-Ann Heng

Image reconstruction of low-count positron emission tomography (PET) data is challenging. Kernel methods address the challenge by incorporating image prior information in the forward model of iterative PET image reconstruction. The…

Image and Video Processing · Electrical Eng. & Systems 2022-10-25 Siqi Li , Kuang Gong , Ramsey D. Badawi , Edward J. Kim , Jinyi Qi , Guobao Wang