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Self-supervised frameworks that learn denoising models with merely individual noisy images have shown strong capability and promising performance in various image denoising tasks. Existing self-supervised denoising frameworks are mostly…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Yaochen Xie , Zhengyang Wang , Shuiwang Ji

Real noisy-clean pairs on a large scale are costly and difficult to obtain. Meanwhile, supervised denoisers trained on synthetic data perform poorly in practice. Self-supervised denoisers, which learn only from single noisy images, solve…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Zejin Wang , Jiazheng Liu , Guoqing Li , Hua Han

Deep learning approaches in image processing predominantly resort to supervised learning. A majority of methods for image denoising are no exception to this rule and hence demand pairs of noisy and corresponding clean images. Only recently…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Priyatham Kattakinda , A. N. Rajagopalan

In the last several years deep learning based approaches have come to dominate many areas of computer vision, and image denoising is no exception. Neural networks can learn by example to map noisy images to clean images. However, access to…

图像与视频处理 · 电气工程与系统科学 2023-06-13 Jason Lequyer , Reuben Philip , Amit Sharma , Laurence Pelletier

Gaussian smoothing combined with a probabilistic framework for denoising via the empirical Bayes formalism, i.e., the Tweedie-Miyasawa formula (TMF), are the two key ingredients in the success of score-based generative models in Euclidean…

机器学习 · 统计学 2025-02-04 Francis Bach , Saeed Saremi

Medical image denoising is considered among the most challenging vision tasks. Despite the real-world implications, existing denoising methods have notable drawbacks as they often generate visual artifacts when applied to heterogeneous…

图像与视频处理 · 电气工程与系统科学 2025-03-11 S M A Sharif , Rizwan Ali Naqvi , Woong-Kee Loh

We present a method for training a neural network to perform image denoising without access to clean training examples or access to paired noisy training examples. Our method requires only a single noisy realization of each training example…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Nick Moran , Dan Schmidt , Yu Zhong , Patrick Coady

Current self-supervised denoising techniques achieve impressive results, yet their real-world application is frequently constrained by substantial computational and memory demands, necessitating a compromise between inference speed and…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Tomáš Chobola , Julia A. Schnabel , Tingying Peng

In this work, we tackle the task of point cloud denoising through a novel framework that adapts Diffusion Schr\"odinger bridges to points clouds. Unlike previous approaches that predict point-wise displacements from point features or…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Mathias Vogel , Keisuke Tateno , Marc Pollefeys , Federico Tombari , Marie-Julie Rakotosaona , Francis Engelmann

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

Estimating normals for noisy point clouds is a persistent challenge in 3D geometry processing, particularly for end-to-end oriented normal estimation. Existing methods generally address relatively clean data and rely on supervised priors to…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Qing Li , Huifang Feng , Xun Gong , Yu-Shen Liu

Existing deep learning methods for the reconstruction and denoising of point clouds rely on small datasets of 3D shapes. We circumvent the problem by leveraging deep learning methods trained on billions of images. We propose a method to…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Pietro Bonazzi , Marie-Julie Rakatosaona , Marco Cannici , Federico Tombari , Davide Scaramuzza

Visual imitation learning with 3D point clouds has advanced robotic manipulation by providing geometry-aware, appearance-invariant observations. However, point cloud-based policies remain highly sensitive to sensor noise, pose…

机器人学 · 计算机科学 2026-01-27 Zhiyuan Zhang , Yu She

In low-visibility marine environments characterized by turbidity and darkness, acoustic cameras serve as visual sensors capable of generating high-resolution 2D sonar images. However, acoustic camera images are interfered with by complex…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Xiaoteng Zhou , Katsunori Mizuno , Yilong Zhang

In this paper, we introduce a novel unsupervised video denoising deep learning approach that can help to mitigate data scarcity issues and shows robustness against different noise patterns, enhancing its broad applicability. Our method…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Mary Damilola Aiyetigbo , Dineshchandar Ravichandran , Reda Chalhoub , Peter Kalivas , Nianyi Li

This paper presents a novel non-local part-aware deep neural network to denoise point clouds by exploring the inherent non-local self-similarity in 3D objects and scenes. Different from existing works that explore small local patches, we…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Chao Huang , Ruihui Li , Xianzhi Li , Chi-Wing Fu

Point cloud source data for surface reconstruction is usually contaminated with noise and outliers. To overcome this deficiency, a density-based point cloud denoising method is presented to remove outliers and noisy points. First,…

计算机视觉与模式识别 · 计算机科学 2016-02-18 Faisal Zaman , Ya Ping Wong , Boon Yian Ng

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

Burst denoising methods are crucial for enhancing images captured on handheld devices, but they often struggle with large motion or suffer from prohibitive computational costs. In this paper, we propose DenoiseGS, the first framework to…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yongsen Cheng , Yuanhao Cai , Yulun Zhang

Point cloud registration is to estimate a transformation to align point clouds collected in different perspectives. In learning-based point cloud registration, a robust descriptor is vital for high-accuracy registration. However, most…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Guiyu Zhao , Zhentao Guo , Xin Wang , Hongbin Ma