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Remote sensing images are widely utilized in many disciplines such as feature recognition and scene semantic segmentation. However, due to environmental factors and the issues of the imaging system, the image quality is often degraded which…

图像与视频处理 · 电气工程与系统科学 2025-04-16 Kelum Gajamannage , Dilhani I. Jayathilake , Maria Vasilyeva

Due to the high flexibility and remarkable performance, low-rank approximation methods has been widely studied for color image denoising. However, those methods mostly ignore either the cross-channel difference or the spatial variation of…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Yiwen Shan , Dong Hu , Zhi Wang

Self-supervised video denoising aims to remove noise from videos without relying on ground truth data, leveraging the video itself to recover clean frames. Existing methods often rely on simplistic feature stacking or apply optical flow…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zikang Chen , Tao Jiang , Xiaowan Hu , Wang Zhang , Huaqiu Li , Haoqian Wang

The advancement of imaging devices and countless image data generated everyday impose an increasingly high demand on efficient and effective image denoising. In this paper, we present a computationally simple denoising algorithm, termed…

图像与视频处理 · 电气工程与系统科学 2025-08-15 Zhaoming Kong , Jiahuan Zhang , Xiaowei Yang

Despite their recent success on image denoising, the need for deep and complex architectures still hinders the practical usage of CNNs. Older but computationally more efficient methods such as BM3D remain a popular choice, especially in…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Junaid Malik , Serkan Kiranyaz , Mehmet Yamac , Moncef Gabbouj

In recent years, video analysis using Artificial Intelligence (AI) has been widely used, due to the remarkable development of image recognition technology using deep learning. In 2019, the Moving Picture Experts Group (MPEG) has started…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

In this study, we propose a self-supervised video denoising method called "restore-from-restored." This method fine-tunes a pre-trained network by using a pseudo clean video during the test phase. The pseudo clean video is obtained by…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Seunghwan Lee , Donghyeon Cho , Jiwon Kim , Tae Hyun Kim

Transformer is beneficial for image denoising tasks since it can model long-range dependencies to overcome the limitations presented by inductive convolutional biases. However, directly applying the transformer structure to remove noise is…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Kangliang Liu , Xiangcheng Du , Sijie Liu , Yingbin Zheng , Xingjiao Wu , Cheng Jin

This work proposes a new method for real-time dense 3d reconstruction for common 360{\deg} action cams, which can be mounted on small scouting UAVs during USAR missions. The proposed method extends a feature based Visual monocular SLAM…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Hartmut Surmann , Marc Thurow , Dominik Slomma

We propose an efficient batching strategy for variable-length decoding on GPU architectures. During decoding, when candidates terminate or are pruned according to heuristics, our streaming approach periodically "refills" the batch before…

计算与语言 · 计算机科学 2021-08-17 Kevin Yang , Violet Yao , John DeNero , Dan Klein

Blind image denoising is an important yet very challenging problem in computer vision due to the complicated acquisition process of real images. In this work we propose a new variational inference method, which integrates both noise…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Zongsheng Yue , Hongwei Yong , Qian Zhao , Lei Zhang , Deyu Meng

In this paper, we propose a learning-based approach for denoising raw videos captured under low lighting conditions. We propose to do this by first explicitly aligning the neighboring frames to the current frame using a convolutional neural…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Avinash Paliwal , Libing Zeng , Nima Khademi Kalantari

Despite the popularity and empirical success of patch-based nearest-neighbor and weighted majority voting approaches to medical image segmentation, there has been no theoretical development on when, why, and how well these nonparametric…

计算机视觉与模式识别 · 计算机科学 2015-10-07 George Chen , Devavrat Shah , Polina Golland

Visual restoration and recognition are traditionally addressed in pipeline fashion, i.e. denoising followed by classification. Instead, observing correlations between the two tasks, for example clearer image will lead to better…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

Image denoising methods must effectively model, implicitly or explicitly, the vast diversity of patterns and textures that occur in natural images. This is challenging, even for modern methods that leverage deep neural networks trained to…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Zhihao Xia , Ayan Chakrabarti

The 3D block matching (BM3D) filter belongs to the state-of-the-art techniques for eliminating additive white Gaussian noise from single-frame images. There exist four multi-frame extensions of BM3D as of today. In this work, we combine…

图像与视频处理 · 电气工程与系统科学 2019-09-19 Kireeti Bodduna , Joachim Weickert

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

Simultaneous localization and mapping (SLAM) in highly dynamic environments is challenging due to the correlation complexity between moving objects and the camera pose. Many methods have been proposed to deal with this problem; however, the…

机器人学 · 计算机科学 2024-10-17 Tuan Dang , Khang Nguyen , Mandfred Huber

Image restoration has been an extensively researched topic in numerous fields. With the advent of deep learning, a lot of the current algorithms were replaced by algorithms that are more flexible and robust. Deep networks have demonstrated…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Rohit Jena

Medical image acquisition is often intervented by unwanted noise that corrupts the information content. This paper introduces an unsupervised medical image denoising technique that learns noise characteristics from the available images and…

图像与视频处理 · 电气工程与系统科学 2021-03-12 Swati Rai , Jignesh S. Bhatt , S. K. Patra