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Video streams are delivered continuously to save the cost of storage and device memory. Real-time denoising algorithms are typically adopted on the user device to remove the noise involved during the shooting and transmission of video…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Chenyang Qi , Junming Chen , Xin Yang , Qifeng Chen

We extensively study the rotational group structure inside the patch space by introducing the fiber bundle structure. The rotational group structure leads to a new image denoising algorithm called the \textit{vector non-local Euclidean…

Data Analysis, Statistics and Probability · Physics 2016-12-20 Chen-Yun Lin , Arin Minasian , Xin Jessica Qi , Hau-Tieng Wu

Text-to-image diffusion models have demonstrated remarkable progress in synthesizing high-quality images from text prompts, which boosts researches on prompt-based image editing that edits a source image according to a target prompt.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Kejie Wang , Xuemeng Song , Meng Liu , Jin Yuan , Weili Guan

In plug-and-play image restoration, the regularization is performed using powerful denoisers such as nonlocal means (NLM) or BM3D. This is done within the framework of alternating direction method of multipliers (ADMM), where the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Unni V. S. , Sanjay Ghosh , Kunal N. Chaudhury

Virtual Network Embedding (VNE) is a technique for mapping virtual networks onto a physical network infrastructure, enabling multiple virtual networks to coexist on a shared physical network. Previous works focused on implementing…

Networking and Internet Architecture · Computer Science 2025-02-05 Farzad Habibi , Juncheng Fang

Video Coding for Machines (VCM) is committed to bridging to an extent separate research tracks of video/image compression and feature compression, and attempts to optimize compactness and efficiency jointly from a unified perspective of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Wenhan Yang , Haofeng Huang , Yueyu Hu , Ling-Yu Duan , Jiaying Liu

We propose a convolutional neural network (ConvNet) based approach for learning local image descriptors which can be used for significantly improved patch matching and 3D reconstructions. A multi-resolution ConvNet is used for learning…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Rahul Mitra , Jiakai Zhang , Sanath Narayan , Shuaib Ahmed , Sharat Chandran , Arjun Jain

A new denoising algorithm for hyperspectral complex domain data has been developed and studied. This algorithm is based on the complex domain block-matching 3D filter including the 3D Wiener filtering stage. The developed algorithm is…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Igor Shevkunov , Vladimir Katkovnik , Daniel Claus , Giancarlo Pedrini , Nikolay Petrov , Karen Egiazarian

Despite the quality improvement brought by the recent methods, video super-resolution (SR) is still very challenging, especially for videos that are low-light and noisy. The current best solution is to subsequently employ best models of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xiaogang Xu , Ruixing Wang , Chi-Wing Fu , Jiaya Jia

Recently, deep neural networks have achieved excellent performance on low-light raw video enhancement. However, they often come with high computational complexity and large memory costs, which hinder their applications on resource-limited…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Gengchen Zhang , Yulun Zhang , Xin Yuan , Ying Fu

The exploration of unknown environments using robots is a task that integrates different areas such as location, mapping, and planning. For mapping, there are numerous methods to represent the environments through which a robot can travel,…

Robotics · Computer Science 2021-02-23 Martin Nievas , Claudio J. Paz , Gastón R. Araguás

Nonlocal patch-based methods, in particular the Bayes' approach of Lebrun, Buades and Morel (2013), are considered as state-of-the-art methods for denoising (color) images corrupted by white Gaussian noise of moderate variance. This paper…

Computer Vision and Pattern Recognition · Computer Science 2016-12-14 Friederike Laus , Mila Nikolova , Johannes Persch , Gabriele Steidl

Video compression artifact reduction aims to recover high-quality videos from low-quality compressed videos. Most existing approaches use a single neighboring frame or a pair of neighboring frames (preceding and/or following the target…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Yi Xu , Longwen Gao , Kai Tian , Shuigeng Zhou , Huyang Sun

We develop a data-driven approach for signal denoising that utilizes variational mode decomposition (VMD) algorithm and Cramer Von Misses (CVM) statistic. In comparison with the classical empirical mode decomposition (EMD), VMD enjoys…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Khuram Naveed , Muhammad Tahir Akhtar , Muhammad Faisal Siddiqui , Naveed ur Rehman

Most neural compression models are trained on large datasets of images or videos in order to generalize to unseen data. Such generalization typically requires large and expressive architectures with a high decoding complexity. Here we…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Hyunjik Kim , Matthias Bauer , Lucas Theis , Jonathan Richard Schwarz , Emilien Dupont

Segmentation is often an essential intermediate step in image analysis. A volume segmentation characterizes the underlying volume image in terms of geometric information--segments, faces between segments, curves in which several faces…

Computational Geometry · Computer Science 2010-10-01 Bjoern Andres , Ullrich Koethe , Thorben Kroeger , Fred A. Hamprecht

We introduce VGGT-SLAM++, a complete visual SLAM system that leverages the geometry-rich outputs of the Visual Geometry Grounded Transformer (VGGT). The system comprises a visual odometry (front-end) fusing the VGGT feed-forward transformer…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Avilasha Mandal , Rajesh Kumar , Sudarshan Sunil Harithas , Chetan Arora

We propose a data-dependent denoising procedure to restore noisy images. Different from existing denoising algorithms which search for patches from either the noisy image or a generic database, the new algorithm finds patches from a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-22 Enming Luo , Stanley H. Chan , Truong Q. Nguyen

A good optical flow estimation is crucial in many video analysis and restoration algorithms employed in application fields like media industry, industrial inspection and automotive. In this work, we investigate how well optical flow…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Hannes Fassold

Current foundation models for 3D shapes excel at global tasks (retrieval, classification) but transfer poorly to local part-level reasoning. Recent approaches leverage vision and language foundation models to directly solve dense tasks…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Souhail Hadgi , Bingchen Gong , Ramana Sundararaman , Emery Pierson , Lei Li , Peter Wonka , Maks Ovsjanikov