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BACKGROUND AND PURPOSE: Deep learning has been demonstrated effective in many neuroimaging applications. However, in many scenarios, the number of imaging sequences capturing information related to small vessel disease lesions is…

Training accurate 3D human pose estimators requires large amount of 3D ground-truth data which is costly to collect. Various weakly or self supervised pose estimation methods have been proposed due to lack of 3D data. Nevertheless, these…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Muhammed Kocabas , Salih Karagoz , Emre Akbas

We extend Regularised Diffusion-Shock (RDS) filtering from Euclidean space $\mathbb{R}_2$ [1] to position-orientation space $\mathbb{M}_2 \cong \mathbb{R}^2 \times S^1$. This has numerous advantages, e.g. making it possible to enhance and…

Differential Geometry · Mathematics 2026-03-20 Finn M. Sherry , Kristina Schaefer , Remco Duits

Feature representation learning is the key recipe for learning-based Multi-View Stereo (MVS). As the common feature extractor of learning-based MVS, vanilla Feature Pyramid Networks (FPNs) suffer from discouraged feature representations for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Chenjie Cao , Xinlin Ren , Yanwei Fu

Learning the hash representation of multi-view heterogeneous data is an important task in multimedia retrieval. However, existing methods fail to effectively fuse the multi-view features and utilize the metric information provided by the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Jian Zhu , Zhangmin Huang , Xiaohu Ruan , Yu Cui , Yongli Cheng , Lingfang Zeng

We present a novel view of nonlinear manifold learning using derivative-free optimization techniques. Specifically, we propose an extension of the classical multi-dimensional scaling (MDS) method, where instead of performing gradient…

Multi-exposure image fusion (MEF) has emerged as a prominent solution to address the limitations of digital imaging in representing varied exposure levels. Despite its advancements, the field grapples with challenges, notably the reliance…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Guanyao Wu , Hongming Fu , Jinyuan Liu , Long Ma , Xin Fan , Risheng Liu

Stereo matching is a fundamental task in scene comprehension. In recent years, the method based on iterative optimization has shown promise in stereo matching. However, the current iteration framework employs a single-peak lookup, which…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Miaojie Feng , Junda Cheng , Hao Jia , Longliang Liu , Gangwei Xu , Qingyong Hu , Xin Yang

Recently, Transformers were shown to enhance the performance of multi-view stereo by enabling long-range feature interaction. In this work, we propose Window-based Transformers (WT) for local feature matching and global feature aggregation…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Jinli Liao , Yikang Ding , Yoli Shavit , Dihe Huang , Shihao Ren , Jia Guo , Wensen Feng , Kai Zhang

Efficient yet accurate extraction of depth from stereo image pairs is required by systems with low power resources, such as robotics and embedded systems. State-of-the-art stereo matching methods based on convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Rafael Brandt , Nicola Strisciuglio , Nicolai Petkov

Modern computer vision requires balancing predictive accuracy with real-time efficiency, yet the high inference cost of large vision models (LVMs) limits deployment on resource-constrained edge devices. Although Evolutionary Neural…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Haoyu Zhang , Zhihao Yu , Rui Wang , Yaochu Jin , Qiqi Liu , Ran Cheng

Dense retrieval is widely used for entity linking to retrieve entities from large-scale knowledge bases. Mainstream techniques are based on a dual-encoder framework, which encodes mentions and entities independently and calculates their…

Computation and Language · Computer Science 2023-05-30 Yi Liu , Yuan Tian , Jianxun Lian , Xinlong Wang , Yanan Cao , Fang Fang , Wen Zhang , Haizhen Huang , Denvy Deng , Qi Zhang

We present a method to capture both 3D shape and spatially varying reflectance with a multi-view photometric stereo (MVPS) technique that works for general isotropic materials. Our algorithm is suitable for perspective cameras and nearby…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Min Li , Zhenglong Zhou , Zhe Wu , Boxin Shi , Changyu Diao , Ping Tan

Dense matching is crucial for 3D scene reconstruction since it enables the recovery of scene 3D geometry from image acquisition. Deep Learning (DL)-based methods have shown effectiveness in the special case of epipolar stereo disparity…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Teng Wu , Bruno Vallet , Marc Pierrot-Deseilligny , Ewelina Rupnik

Denoising diffusion models have demonstrated outstanding results in 2D image generation, yet it remains a challenge to replicate its success in 3D shape generation. In this paper, we propose leveraging multi-view depth, which represents…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Zhen Wang , Qiangeng Xu , Feitong Tan , Menglei Chai , Shichen Liu , Rohit Pandey , Sean Fanello , Achuta Kadambi , Yinda Zhang

This paper proposes a novel approach to stereo visual odometry without stereo matching. It is particularly robust in scenes of repetitive high-frequency textures. Referred to as DSVO (Direct Stereo Visual Odometry), it operates directly on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Jiawei Mo , Junaed Sattar

Depth estimation (DE) provides spatial information about a scene and enables tasks such as 3D reconstruction, object detection, and scene understanding. Recently, there has been an increasing interest in using deep learning (DL)-based…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Ali Rohan , Md Junayed Hasan , Andrei Petrovski

The biggest improvements in Photometric Stereo (PS) field has recently come from adoption of differentiable volumetric rendering techniques such as NeRF or Neural SDF achieving impressive reconstruction error of 0.2mm on DiLiGenT-MV…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Fotios Logothetis , Ignas Budvytis , Stephan Liwicki , Roberto Cipolla

We introduce an approach to enhance the novel view synthesis from images taken from a freely moving camera. The introduced approach focuses on outdoor scenes where recovering accurate geometric scaffold and camera pose is challenging,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Nishant Jain , Suryansh Kumar , Luc Van Gool

Dense retrieval techniques employ pre-trained large language models to build a high-dimensional representation of queries and passages. These representations compute the relevance of a passage w.r.t. to a query using efficient similarity…

Information Retrieval · Computer Science 2024-04-04 Franco Maria Nardini , Cosimo Rulli , Rossano Venturini