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Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

State-of-the-art stereo matching networks have difficulties in generalizing to new unseen environments due to significant domain differences, such as color, illumination, contrast, and texture. In this paper, we aim at designing a…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Feihu Zhang , Xiaojuan Qi , Ruigang Yang , Victor Prisacariu , Benjamin Wah , Philip Torr

Achieving robust stereo 3D imaging under diverse illumination conditions is an important however challenging task, due to the limited dynamic ranges (DRs) of cameras, which are significantly smaller than real world DR. As a result, the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Juhyung Choi , Jinnyeong Kim , Seokjun Choi , Jinwoo Lee , Samuel Brucker , Mario Bijelic , Felix Heide , Seung-Hwan Baek

In this study, we propose a high-performance disparity (depth) estimation method using dual-pixel (DP) images with few parameters. Conventional end-to-end deep-learning methods have many parameters but do not fully exploit disparity…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Teppei Kurita , Yuhi Kondo , Legong Sun , Takayuki Sasaki , Sho Nitta , Yasuhiro Hashimoto , Yoshinori Muramatsu , Yusuke Moriuchi

One of the most successful approaches in Multi-View Stereo estimates a depth map and a normal map for each view via PatchMatch-based optimization and fuses them into a consistent 3D points cloud. This approach relies on photo-consistency to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Andrea Romanoni , Matteo Matteucci

In a normal indoor environment, Raman spectrum encounters noise often conceal spectrum peak, leading to difficulty in spectrum interpretation. This paper proposes deep learning (DL) based noise reduction technique for Raman spectroscopy.…

Signal Processing · Electrical Eng. & Systems 2020-09-10 Liangrui Pan , Pronthep Pipitsunthonsan , Peng Zhang , Chalongrat Daengngam , Apidach Booranawong , Mitcham Chongcheawchamnan

The deep multi-view stereo (MVS) and stereo matching approaches generally construct 3D cost volumes to regularize and regress the output depth or disparity. These methods are limited when high-resolution outputs are needed since the memory…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Xiaodong Gu , Zhiwen Fan , Zuozhuo Dai , Siyu Zhu , Feitong Tan , Ping Tan

Leveraging on the recent developments in convolutional neural networks (CNNs), matching dense correspondence from a stereo pair has been cast as a learning problem, with performance exceeding traditional approaches. However, it remains…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Jiahao Pang , Wenxiu Sun , Jimmy SJ. Ren , Chengxi Yang , Qiong Yan

Efficient real-time disparity estimation is critical for the application of stereo vision systems in various areas. Recently, stereo network based on coarse-to-fine method has largely relieved the memory constraints and speed limitations of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 He Dai , Xuchong Zhang , Yongli Zhao , Hongbin Sun

Depth map super-resolution is a task with high practical application requirements in the industry. Existing color-guided depth map super-resolution methods usually necessitate an extra branch to extract high-frequency detail information…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Qi Tang , Runmin Cong , Ronghui Sheng , Lingzhi He , Dan Zhang , Yao Zhao , Sam Kwong

Joint channel estimation and signal detection (JCESD) is crucial in orthogonal frequency division multiplexing (OFDM) systems, but traditional algorithms perform poorly in low signal-to-noise ratio (SNR) scenarios. Deep learning (DL)…

Signal Processing · Electrical Eng. & Systems 2024-06-24 Haocheng Ju , Haimiao Zhang , Lin Li , Xiao Li , Bin Dong

This paper proposes a deep neural network (DNN) for piece-wise planar depthmap reconstruction from a single RGB image. While DNNs have brought remarkable progress to single-image depth prediction, piece-wise planar depthmap reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Chen Liu , Jimei Yang , Duygu Ceylan , Ersin Yumer , Yasutaka Furukawa

Visual abstract reasoning tasks present challenges for deep neural networks, exposing limitations in their capabilities. In this work, we present a neural network model that addresses the challenges posed by Raven's Progressive Matrices…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Kai Zhao , Chang Xu , Bailu Si

Deep metric learning maps visually similar images onto nearby locations and visually dissimilar images apart from each other in an embedding manifold. The learning process is mainly based on the supplied image negative and positive training…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Chang-Hui Liang , Wan-Lei Zhao , Run-Qing Chen

This work investigates the ways in which deep learning methods can benefit from random projection (RP), a classic linear dimensionality reduction method. We focus on two areas where, as we have found, employing RP techniques can improve…

Machine Learning · Computer Science 2018-12-27 Piotr Iwo Wójcik

This paper introduces Progressively Diffused Networks (PDNs) for unifying multi-scale context modeling with deep feature learning, by taking semantic image segmentation as an exemplar application. Prior neural networks, such as ResNet, tend…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Ruimao Zhang , Wei Yang , Zhanglin Peng , Xiaogang Wang , Liang Lin

Unsupervised deep learning methods have shown promising performance for single-image depth estimation. Since most of these methods use binocular stereo pairs for self-supervision, the depth range is generally limited. Small-baseline stereo…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Saad Imran , Muhammad Umar Karim Khan , Sikander Bin Mukarram , Chong-Min Kyung

Acquiring channel knowledge is required by many applications. For instance, handover in cellular networks is mainly decided based on the knowledge of pathloss. In contrast to traditional statistical distance-determined models that might…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Huiting Rao , Junyuan Wang , Huiling Zhu , Cheng-Xiang Wang

Multi-view stereo (MVS) is a crucial task for precise 3D reconstruction. Most recent studies tried to improve the performance of matching cost volume in MVS by designing aggregated 3D cost volumes and their regularization. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Khang Truong Giang , Soohwan Song , Sungho Jo