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Despite advancements in Neural Implicit models for 3D surface reconstruction, handling dynamic environments with interactions between arbitrary rigid, non-rigid, or deformable entities remains challenging. The generic reconstruction methods…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Sandika Biswas , Qianyi Wu , Biplab Banerjee , Hamid Rezatofighi

Recently, neural radiance field (NeRF) has shown remarkable performance in novel view synthesis and 3D reconstruction. However, it still requires abundant high-quality images, limiting its applicability in real-world scenarios. To overcome…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Jaewoo Jung , Jisang Han , Jiwon Kang , Seongchan Kim , Min-Seop Kwak , Seungryong Kim

Efficient and accurate 3D reconstruction is essential for applications in cultural heritage. This study addresses the challenge of visualizing objects within large-scale scenes at a high level of detail (LOD) using Neural Radiance Fields…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Quoc-Anh Bui , Gilles Rougeron , Géraldine Morin , Simone Gasparini

Volumetric neural rendering methods like NeRF generate high-quality view synthesis results but are optimized per-scene leading to prohibitive reconstruction time. On the other hand, deep multi-view stereo methods can quickly reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Qiangeng Xu , Zexiang Xu , Julien Philip , Sai Bi , Zhixin Shu , Kalyan Sunkavalli , Ulrich Neumann

Vector quantization (VQ) based ANN indexes, such as Inverted File System (IVF) and Product Quantization (PQ), have been widely applied to embedding based document retrieval thanks to the competitive time and memory efficiency. Originally,…

Information Retrieval · Computer Science 2022-04-29 Shitao Xiao , Zheng Liu , Weihao Han , Jianjin Zhang , Defu Lian , Yeyun Gong , Qi Chen , Fan Yang , Hao Sun , Yingxia Shao , Denvy Deng , Qi Zhang , Xing Xie

Molecular representation learning has become a central approach in AI-driven drug discovery, yet existing molecular tokenizations such as SMILES remain largely syntactic and do not naturally align with chemically meaningful substructures.…

Machine Learning · Computer Science 2026-05-19 Takayuki Kimura

Reconstructing category-specific objects using Neural Radiance Field (NeRF) from a single image is a promising yet challenging task. Existing approaches predominantly rely on projection-based feature retrieval to associate 3D points in the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Kun Wang , Zhiqiang Yan , Zhenyu Zhang , Xiang Li , Jun Li , Jian Yang

Vector Quantization (VQ) has recently emerged as a promising approach for learning discrete representations of graph-structured data. However, a fundamental challenge, i.e., codebook collapse, remains underexplored in the graph domain,…

Machine Learning · Computer Science 2025-09-29 Zian Zhai , Fan Li , Xingyu Tan , Xiaoyang Wang , Wenjie Zhang

Fighting against noise is crucial for NISQ devices to demonstrate practical quantum applications. In this work, we give a new paradigm of quantum error mitigation based on the vectorization of density matrices. Different from the ideas of…

Quantum Physics · Physics 2024-07-22 Zhong-Xia Shang , Zi-Han Chen , Cai-Sheng Cheng

We propose a novel framework for 3D-aware object manipulation, called Auto-Encoding Neural Radiance Fields (AE-NeRF). Our model, which is formulated in an auto-encoder architecture, extracts disentangled 3D attributes such as 3D shape,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Mira Kim , Jaehoon Ko , Kyusun Cho , Junmyeong Choi , Daewon Choi , Seungryong Kim

Three-dimensional ultrasound imaging is a critical technology widely used in medical diagnostics. However, traditional 3D ultrasound imaging methods have limitations such as fixed resolution, low storage efficiency, and insufficient…

Artificial Intelligence · Computer Science 2024-09-16 Ziwen Guo , Zi Fang , Zhuang Fu

This paper introduces $\rho$-NeRF, a self-supervised approach that sets a new standard in novel view synthesis (NVS) and computed tomography (CT) reconstruction by modeling a continuous volumetric radiance field enriched with physics-based…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Li Zhou , Changsheng Fang , Bahareh Morovati , Yongtong Liu , Shuo Han , Yongshun Xu , Hengyong Yu

This paper proposes a Diffusion Model-Optimized Neural Radiance Field (DT-NeRF) method, aimed at enhancing detail recovery and multi-view consistency in 3D scene reconstruction. By combining diffusion models with Transformers, DT-NeRF…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Bo Liu , Runlong Li , Li Zhou , Yan Zhou

Neural Radiance Field~(NeRF) achieves extremely high quality in object-scaled and indoor scene reconstruction. However, there exist some challenges when reconstructing large-scale scenes. MLP-based NeRFs suffer from limited network…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Sidun Liu , Peng Qiao , Zongxin Ye , Wenyu Li , Yong Dou

Identifying spatially complete planar primitives from visual data is a crucial task in computer vision. Prior methods are largely restricted to either 2D segment recovery or simplifying 3D structures, even with extensive plane annotations.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Zheng Chen , Qingan Yan , Huangying Zhan , Changjiang Cai , Xiangyu Xu , Yuzhong Huang , Weihan Wang , Ziyue Feng , Yi Xu , Lantao Liu

The quality of three-dimensional reconstruction is a key factor affecting the effectiveness of its application in areas such as virtual reality (VR) and augmented reality (AR) technologies. Neural Radiance Fields (NeRF) can generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Can Wang , Ruixiang Jiang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

Neural Radiance Fields (NeRF) has gained significant attention for its prominent implicit 3D representation and realistic novel view synthesis capabilities. Available works unexceptionally employ straight-line volume rendering, which…

Graphics · Computer Science 2025-08-20 Nan Luo , Chenglin Ye , Jiaxu Li , Gang Liu , Bo Wan , Di Wang , Lupeng Liu , Jun Xiao

Rendering novel views from captured multi-view images has made considerable progress since the emergence of the neural radiance field. This paper aims to further advance the quality of view synthesis by proposing a novel approach dubbed the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Kang Han , Wei Xiang

Deep neural networks (DNNs) can be made hardware-efficient by reducing the numerical precision of the weights and activations of the network and by improving the network's resilience to noise. However, this gain in efficiency often comes at…