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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

We propose DepR, a depth-guided single-view scene reconstruction framework that integrates instance-level diffusion within a compositional paradigm. Instead of reconstructing the entire scene holistically, DepR generates individual objects…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Qingcheng Zhao , Xiang Zhang , Haiyang Xu , Zeyuan Chen , Jianwen Xie , Yuan Gao , Zhuowen Tu

Gated imaging is an emerging sensor technology for self-driving cars that provides high-contrast images even under adverse weather influence. It has been shown that this technology can even generate high-fidelity dense depth maps with…

Image and Video Processing · Electrical Eng. & Systems 2020-04-02 Stefanie Walz , Tobias Gruber , Werner Ritter , Klaus Dietmayer

Unsupervised depth completion and estimation methods are trained by minimizing reconstruction error. Block artifacts from resampling, intensity saturation, and occlusions are amongst the many undesirable by-products of common data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yangchao Wu , Tian Yu Liu , Hyoungseob Park , Stefano Soatto , Dong Lao , Alex Wong

Lidar became an important component of the perception systems in autonomous driving. But challenges of training data acquisition and annotation made emphasized the role of the sensor to sensor domain adaptation. In this work, we address the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Artem Savkin , Yida Wang , Sebastian Wirkert , Nassir Navab , Federico Tombar

This report studies diffusion posterior sampling (DPS) for single-image super-resolution (SISR) under a known degradation model. We implement a likelihood-guided sampling procedure that combines an unconditional diffusion prior with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Abu Hanif Muhammad Syarubany

Existing depth completion methods are often targeted at a specific sparse depth type and generalize poorly across task domains. We present a method to complete sparse/semi-dense, noisy, and potentially low-resolution depth maps obtained by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Guangkai Xu , Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Jia-Wang Bian

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

The complementary fusion of light detection and ranging (LiDAR) data and image data is a promising but challenging task for generating high-precision and high-density point clouds. This study proposes an innovative LiDAR-guided stereo…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Yongjun Zhang , Siyuan Zou , Xinyi Liu , Xu Huang , Yi Wan , Yongxiang Yao

In this paper, we study the missing sample recovery problem using methods based on sparse approximation. In this regard, we investigate the algorithms used for solving the inverse problem associated with the restoration of missed samples of…

Machine Learning · Statistics 2017-06-29 Amirhossein Javaheri , Hadi Zayyani , Farokh Marvasti

The dense depth estimation of a 3D scene has numerous applications, mainly in robotics and surveillance. LiDAR and radar sensors are the hardware solution for real-time depth estimation, but these sensors produce sparse depth maps and are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Alwyn Mathew , Aditya Prakash Patra , Jimson Mathew

Incrementally recovering real-sized 3D geometry from a pose-free RGB stream is a challenging task in 3D reconstruction, requiring minimal assumptions on input data. Existing methods can be broadly categorized into end-to-end and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Linqing Zhao , Xiuwei Xu , Yirui Wang , Hao Wang , Wenzhao Zheng , Yansong Tang , Haibin Yan , Jiwen Lu

We present an algorithm for reconstructing dense, geometrically consistent depth for all pixels in a monocular video. We leverage a conventional structure-from-motion reconstruction to establish geometric constraints on pixels in the video.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Xuan Luo , Jia-Bin Huang , Richard Szeliski , Kevin Matzen , Johannes Kopf

The paper proposes an image-guided depth completion method to estimate accurate dense depth maps with fast computation time. The proposed network has two-stage structure. The first stage predicts a first depth map. Then, the second stage…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Yongjin Lee , Seokjun Park , Beomgu Kang , Hyunwook Park

A deep image compression scheme is proposed in this paper, offering the state-of-the-art compression efficiency, against the traditional JPEG, JPEG2000, BPG and those popular learning based methodologies. This is achieved by a novel…

Image and Video Processing · Electrical Eng. & Systems 2019-02-28 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Zhan Ma

We aim to address sparse-view reconstruction of a 3D scene by leveraging priors from large-scale vision models. While recent advancements such as 3D Gaussian Splatting (3DGS) have demonstrated remarkable successes in 3D reconstruction,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Hanyang Yu , Xiaoxiao Long , Ping Tan

We propose a method to infer a dense depth map from a single image, its calibration, and the associated sparse point cloud. In order to leverage existing models (teachers) that produce putative depth maps, we propose an adaptive knowledge…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Tian Yu Liu , Parth Agrawal , Allison Chen , Byung-Woo Hong , Alex Wong

Hyperspectral image (HSI) restoration aims at recovering clean images from degraded observations and plays a vital role in downstream tasks. Existing model-based methods have limitations in accurately modeling the complex image…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Li Pang , Xiangyu Rui , Long Cui , Hongzhong Wang , Deyu Meng , Xiangyong Cao

Neural networks have shown great abilities in estimating depth from a single image. However, the inferred depth maps are well below one-megapixel resolution and often lack fine-grained details, which limits their practicality. Our method…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 S. Mahdi H. Miangoleh , Sebastian Dille , Long Mai , Sylvain Paris , Yağız Aksoy

Compressed Sensing MRI reconstructs images of the body's internal anatomy from undersampled measurements, thereby reducing scan time. Recently, deep learning has shown great potential for reconstructing high-fidelity images from highly…

Image and Video Processing · Electrical Eng. & Systems 2025-04-07 Armeet Singh Jatyani , Jiayun Wang , Aditi Chandrashekar , Zihui Wu , Miguel Liu-Schiaffini , Bahareh Tolooshams , Anima Anandkumar
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