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Microscopy image analysis often requires the segmentation of objects, but training data for this task is typically scarce and hard to obtain. Here we propose DenoiSeg, a new method that can be trained end-to-end on only a few annotated…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Tim-Oliver Buchholz , Mangal Prakash , Alexander Krull , Florian Jug

We propose DFPNet -- an unsupervised, joint learning system for monocular Depth, Optical Flow and egomotion (Camera Pose) estimation from monocular image sequences. Due to the nature of 3D scene geometry these three components are coupled.…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Dipan Mandal , Abhilash Jain

While an exciting diversity of new imaging devices is emerging that could dramatically improve robotic perception, the challenges of calibrating and interpreting these cameras have limited their uptake in the robotics community. In this…

机器人学 · 计算机科学 2021-03-23 S. Tejaswi Digumarti , Joseph Daniel , Ahalya Ravendran , Donald G. Dansereau

In autonomous driving, monocular sequences contain lots of information. Monocular depth estimation, camera ego-motion estimation and optical flow estimation in consecutive frames are high-profile concerns recently. By analyzing tasks above,…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Guangming Wang , Chi Zhang , Hesheng Wang , Jingchuan Wang , Yong Wang , Xinlei Wang

Both optical flow and stereo disparities are image matches and can therefore benefit from joint training. Depth and 3D motion provide geometric rather than photometric information and can further improve optical flow. Accordingly, we design…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Shuai Yuan , Carlo Tomasi

Conventional self-supervised monocular depth prediction methods are based on a static environment assumption, which leads to accuracy degradation in dynamic scenes due to the mismatch and occlusion problems introduced by object motions.…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Ziyue Feng , Liang Yang , Longlong Jing , Haiyan Wang , YingLi Tian , Bing Li

Self-supervised denoising has attracted widespread attention due to its ability to train without clean images. However, noise in real-world scenarios is often spatially correlated, which causes many self-supervised algorithms that assume…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Shiyan Chen , Jiyuan Zhang , Zhaofei Yu , Tiejun Huang

Purpose: To develop a deep learning approach to de-noise optical coherence tomography (OCT) B-scans of the optic nerve head (ONH). Methods: Volume scans consisting of 97 horizontal B-scans were acquired through the center of the ONH using a…

Fluorescence microscopy is a key driver to promote discoveries of biomedical research. However, with the limitation of microscope hardware and characteristics of the observed samples, the fluorescence microscopy images are susceptible to…

图像与视频处理 · 电气工程与系统科学 2022-09-15 Xuanyu Tian , Qing Wu , Hongjiang Wei , Yuyao Zhang

The advent of deep learning has brought a revolutionary transformation to image denoising techniques. However, the persistent challenge of acquiring noise-clean pairs for supervised methods in real-world scenarios remains formidable,…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Dan Zhang , Fangfang Zhou , Felix Albu , Yuanzhou Wei , Xiao Yang , Yuan Gu , Qiang Li

Prior research on out-of-distribution detection (OoDD) has primarily focused on single-modality models. Recently, with the advent of large-scale pretrained vision-language models such as CLIP, OoDD methods utilizing such multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jeonghyeon Kim , Sangheum Hwang

Deep learning-based LiDAR odometry is crucial for autonomous driving and robotic navigation, yet its performance under adverse weather, especially snowfall, remains challenging. Existing models struggle to generalize across conditions due…

机器人学 · 计算机科学 2025-09-03 Beibei Zhou , Zhiyuan Zhang , Zhenbo Song , Jianhui Guo , Hui Kong

We propose a method to train deep networks to decompose videos into 3D geometry (camera and depth), moving objects, and their motions, with no supervision. We build on the idea of view synthesis, which uses classical camera geometry to…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Dan Xu , Andrea Vedaldi , Joao F. Henriques

Modeling the processing chain that has produced a video is a difficult reverse engineering task, even when the camera is available. This makes model based video processing a still more complex task. In this paper we propose a fully blind…

计算机视觉与模式识别 · 计算机科学 2020-02-26 Thibaud Ehret , Axel Davy , Jean-Michel Morel , Gabriele Facciolo , Pablo Arias

Monocular 3D object detection (M3OD) is a significant yet inherently challenging task in autonomous driving due to absence of explicit depth cues in a single RGB image. In this paper, we strive to boost currently underperforming monocular…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Weijia Zhang , Dongnan Liu , Chao Ma , Weidong Cai

Computed tomography (CT) has played a vital role in medical diagnosis, assessment, and therapy planning, etc. In clinical practice, concerns about the increase of X-ray radiation exposure attract more and more attention. To lower the X-ray…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Zhicheng Zhang , Xiaokun Liang , Wei Zhao , Lei Xing

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis

We propose a general framework for denoising high-dimensional measurements which requires no prior on the signal, no estimate of the noise, and no clean training data. The only assumption is that the noise exhibits statistical independence…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Joshua Batson , Loic Royer

Demosaicing and denoising of RAW images are crucial steps in the processing pipeline of modern digital cameras. As only a third of the color information required to produce a digital image is captured by the camera sensor, the process of…

图像与视频处理 · 电气工程与系统科学 2023-09-19 Taihui Li , Anish Lahiri , Yutong Dai , Owen Mayer

Building on recent advances in Bayesian statistics and image denoising, we propose Noise2Score3D, a fully unsupervised framework for point cloud denoising. Noise2Score3D learns the score function of the underlying point cloud distribution…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Xiangbin Wei , Yuanfeng Wang , Ao XU , Lingyu Zhu , Dongyong Sun , Keren Li , Yang Li , Qi Qin