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Recently, diffusion-based blind super-resolution (SR) methods have shown great ability to generate high-resolution images with abundant high-frequency detail, but the detail is often achieved at the expense of fidelity. Meanwhile, another…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Shao-Hao Lu , Ren Wang , Ching-Chun Huang , Wei-Chen Chiu

Cosmic ray (CR) identification and replacement are critical components of imaging and spectroscopic reduction pipelines involving solid-state detectors. We present deepCR, a deep learning based framework for CR identification and subsequent…

天体物理仪器与方法 · 物理学 2020-02-05 Keming Zhang , Joshua S. Bloom

Reflection removal of a single image remains a highly challenging task due to the complex entanglement between target scenes and unwanted reflections. Despite significant progress, existing methods are hindered by the scarcity of…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Jichen Hu , Chen Yang , Zanwei Zhou , Jiemin Fang , Xiaokang Yang , Qi Tian , Wei Shen

High-quality images are crucial in remote sensing and UAV applications, but atmospheric haze can severely degrade image quality, making image dehazing a critical research area. Since the introduction of deep convolutional neural networks,…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Gao Yu Lee , Jinkuan Chen , Tanmoy Dam , Md Meftahul Ferdaus , Daniel Puiu Poenar , Vu N Duong

We propose a unified diffusion model-based correction and super-resolution method to enhance the fidelity and resolution of diverse low-quality data through a two-step pipeline. First, the correction step employs a novel enhanced stochastic…

数值分析 · 数学 2025-05-15 Wuzhe Xu , Yulong Lu , Sifan Wang , Tong-Rui Liu

Cloud occlusion severely degrades the semantic integrity of optical remote sensing imagery. While incorporating Synthetic Aperture Radar (SAR) provides complementary observations, achieving efficient global modeling and reliable cross-modal…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Chenxing Meng , Wuzhou Quan , Yingjie Cai , Liqun Cao , Liyan Zhang , Mingqiang Wei

Diffusion-based approaches have recently driven remarkable progress in real-world image super-resolution (SR). However, existing methods still struggle to simultaneously preserve fine details and ensure high-fidelity reconstruction, often…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Aro Kim , Myeongjin Jang , Chaewon Moon , Youngjin Shin , Jinwoo Jeong , Sang-hyo Park

Diffusion models have attained remarkable success in the domains of image generation and editing. It is widely recognized that employing larger inversion and denoising steps in diffusion model leads to improved image reconstruction quality.…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Chen Hou , Guoqiang Wei , Zhibo Chen

Deep learning-based joint source-channel coding (deep JSCC) has been demonstrated to be an effective approach for wireless image transmission. Nevertheless, most existing work adopts an autoencoder framework to optimize conventional…

信号处理 · 电气工程与系统科学 2025-03-25 Mingyu Yang , Bowen Liu , Boyang Wang , Hun-Seok Kim

Diffusion models have shown promising results on single-image super-resolution and other image- to-image translation tasks. Despite this success, they have not outperformed state-of-the-art GAN models on the more challenging blind…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Hshmat Sahak , Daniel Watson , Chitwan Saharia , David Fleet

Image Super-Resolution is a fundamental problem in computer vision with broad applications spacing from medical imaging to satellite analysis. The ability to reconstruct high-resolution images from low-resolution inputs is crucial for…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Luigi Sigillo , Christian Bianchi , Aurelio Uncini , Danilo Comminiello

Cloud detection is an important preprocessing step for the precise application of optical satellite imagery. In this paper, we propose a deep learning based cloud detection method named multi-scale convolutional feature fusion (MSCFF) for…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Zhiwei Li , Huanfeng Shen , Qing Cheng , Yuhao Liu , Shucheng You , Zongyi He

Cloud contamination significantly impairs the usability of optical satellite imagery, affecting critical applications such as environmental monitoring, disaster response, and land-use analysis. This research presents a Cloud-Attentive…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Trong-An Bui , Thanh-Thoai Le

An authentic face restoration system is becoming increasingly demanding in many computer vision applications, e.g., image enhancement, video communication, and taking portrait. Most of the advanced face restoration models can recover…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Yang Zhao , Tingbo Hou , Yu-Chuan Su , Xuhui Jia. Yandong Li , Matthias Grundmann

Image restoration is essential for enhancing degraded images across computer vision tasks. However, most existing methods address only a single type of degradation (e.g., blur, noise, or haze) at a time, limiting their real-world…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Debabrata Mandal , Soumitri Chattopadhyay , Guansen Tong , Praneeth Chakravarthula

Underwater Image Enhancement (UIE) aims to improve the visual quality from a low-quality input. Unlike other image enhancement tasks, underwater images suffer from the unavailability of real reference images. Although existing works exploit…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Shuaixin Liu , Kunqian Li , Yilin Ding , Qi Qi

Color plays an important role in human visual perception, reflecting the spectrum of objects. However, the existing infrared and visible image fusion methods rarely explore how to handle multi-spectral/channel data directly and achieve high…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Jun Yue , Leyuan Fang , Shaobo Xia , Yue Deng , Jiayi Ma

3D point clouds are discrete samples of continuous surfaces which can be used for various applications. However, the lack of true connectivity information, i.e., edge information, makes point cloud recognition challenging. Recent edge-aware…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Haoyi Xiu , Xin Liu , Weimin Wang , Kyoung-Sook Kim , Takayuki Shinohara , Qiong Chang , Masashi Matsuoka

The challenge of the cloud removal task can be alleviated with the aid of Synthetic Aperture Radar (SAR) images that can penetrate cloud cover. However, the large domain gap between optical and SAR images as well as the severe speckle noise…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Fang Xu , Yilei Shi , Patrick Ebel , Lei Yu , Gui-Song Xia , Wen Yang , Xiao Xiang Zhu

We introduce DiffAug, a simple and efficient diffusion-based augmentation technique to train image classifiers for the crucial yet challenging goal of improved classifier robustness. Applying DiffAug to a given example consists of one…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Chandramouli Sastry , Sri Harsha Dumpala , Sageev Oore