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With sufficient paired training samples, the supervised deep learning methods have attracted much attention in image denoising because of their superior performance. However, it is still very challenging to widely utilize the supervised…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Yizhong Pan , Xiao Liu , Xiangyu Liao , Yuanzhouhan Cao , Chao Ren

Real-world image super-resolution (SR) is a challenging image translation problem. Low-resolution (LR) images are often generated by various unknown transformations rather than by applying simple bilinear down-sampling on high-resolution…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Xin Ma , Yi Li , Huaibo Huang , Mandi Luo , Ran He

Recently, contrastive learning has achieved great results in self-supervised learning, where the main idea is to push two augmentations of an image (positive pairs) closer compared to other random images (negative pairs). We argue that not…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Ajinkya Tejankar , Soroush Abbasi Koohpayegani , Vipin Pillai , Paolo Favaro , Hamed Pirsiavash

Super resolution techniques can enhance the spatial resolution of remote sensing images, enabling more efficient large scale earth observation applications. While single image SR methods enhance low resolution images, they neglect valuable…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Ce Wang , Wanjie Sun

Knowledge distillation is an effective method for model compression. However, it is still a challenging topic to apply knowledge distillation to detection tasks. There are two key points resulting in poor distillation performance for…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Zhenliang Ni , Fukui Yang , Shengzhao Wen , Gang Zhang

The problem of blind image super-resolution aims to recover high-resolution (HR) images from low-resolution (LR) images with unknown degradation modes. Most existing methods model the image degradation process using blur kernels. However,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Junxiong Lin , Zeng Tao , Xuan Tong , Xinji Mai , Haoran Wang , Boyang Wang , Yan Wang , Qing Zhao , Jiawen Yu , Yuxuan Lin , Shaoqi Yan , Shuyong Gao , Wenqiang Zhang

Vision-Language Pretrained (VLP) models have achieved impressive performance on multimodal tasks, including text-image retrieval, based on dense representations. Meanwhile, Learned Sparse Retrieval (LSR) has gained traction in text-only…

计算与语言 · 计算机科学 2025-08-26 Jonghyun Song , Youngjune Lee , Gyu-Hwung Cho , Ilhyeon Song , Saehun Kim , Yohan Jo

Self-supervised cross-modal super-resolution (SR) can overcome the difficulty of acquiring paired training data, but is challenging because only low-resolution (LR) source and high-resolution (HR) guide images from different modalities are…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Xiaoyu Dong , Naoto Yokoya , Longguang Wang , Tatsumi Uezato

Diffusion models have achieved remarkable success in generating high-resolution, realistic images across diverse natural distributions. However, their performance heavily relies on high-quality training data, making it challenging to learn…

机器学习 · 计算机科学 2025-05-22 Tianyu Chen , Yasi Zhang , Zhendong Wang , Ying Nian Wu , Oscar Leong , Mingyuan Zhou

In this work, we investigate the understudied effect of the training data used for image super-resolution (SR). Most commonly, novel SR methods are developed and benchmarked on common training datasets such as DIV2K and DF2K. However, we…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Go Ohtani , Ryu Tadokoro , Ryosuke Yamada , Yuki M. Asano , Iro Laina , Christian Rupprecht , Nakamasa Inoue , Rio Yokota , Hirokatsu Kataoka , Yoshimitsu Aoki

Most existing super-resolution methods do not perform well in real scenarios due to lack of realistic training data and information loss of the model input. To solve the first problem, we propose a new pipeline to generate realistic…

图像与视频处理 · 电气工程与系统科学 2019-05-30 Xiangyu Xu , Yongrui Ma , Wenxiu Sun

Single image super-resolution traditionally assumes spatially-invariant degradation models, yet real-world imaging systems exhibit complex distance-dependent effects including atmospheric scattering, depth-of-field variations, and…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Tianhao Guo , Bingjie Lu , Feng Wang , Zhengyang Lu

While super-resolution (SR) methods based on diffusion models exhibit promising results, their practical application is hindered by the substantial number of required inference steps. Recent methods utilize degraded images in the initial…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Yufei Wang , Wenhan Yang , Xinyuan Chen , Yaohui Wang , Lanqing Guo , Lap-Pui Chau , Ziwei Liu , Yu Qiao , Alex C. Kot , Bihan Wen

With the exponential increase in image data, training an image restoration model is laborious. Dataset distillation is a potential solution to this problem, yet current distillation techniques are a blank canvas in the field of image…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Zhuoran Zheng , Xin Su , Chen Wu , Xiuyi Jia

Guided depth map super-resolution (GDSR), which aims to reconstruct a high-resolution (HR) depth map from a low-resolution (LR) observation with the help of a paired HR color image, is a longstanding and fundamental problem, it has…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Zhiwei Zhong , Xianming Liu , Junjun Jiang , Debin Zhao , Xiangyang Ji

Diffusion models (DM) have achieved remarkable promise in image super-resolution (SR). However, most of them are tailored to solving non-blind inverse problems with fixed known degradation settings, limiting their adaptability to real-world…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Feng Li , Yixuan Wu , Zichao Liang , Runmin Cong , Huihui Bai , Yao Zhao , Meng Wang

Real-world Super-Resolution (Real-SR) methods focus on dealing with diverse real-world images and have attracted increasing attention in recent years. The key idea is to use a complex and high-order degradation model to mimic real-world…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Wenlong Zhang , Xiaohui Li , Xiangyu Chen , Yu Qiao , Xiao-Ming Wu , Chao Dong

Most of the recent literature on image super-resolution (SR) assumes the availability of training data in the form of paired low resolution (LR) and high resolution (HR) images or the knowledge of the downgrading operator (usually bicubic…

图像与视频处理 · 电气工程与系统科学 2019-11-20 Manuel Fritsche , Shuhang Gu , Radu Timofte

Semi-supervised regression (SSR), which aims to predict continuous scores for samples while reducing the reliance on large-scale labeled data, has recently attracted considerable attention across various applications, including computer…

机器学习 · 计算机科学 2026-05-28 Ye Su , Hezhe Qiao , Wei Huang , Lin Chen

Image super-resolution (SR) aims to learn a mapping from low-resolution (LR) to high-resolution (HR) using paired HR-LR training images. Conventional SR methods typically gather the paired training data by synthesizing LR images from HR…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Zeshuai Deng , Zhuokun Chen , Shuaicheng Niu , Thomas H. Li , Bohan Zhuang , Mingkui Tan