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Vanilla pixel-level classifiers for semantic segmentation are based on a certain paradigm, involving the inner product of fixed prototypes obtained from the training set and pixel features in the test image. This approach, however,…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Xiaowen Ma , Zhenliang Ni , Xinghao Chen

Recent advancements in image generation models have enabled personalized image creation with both user-defined subjects (content) and styles. Prior works achieved personalization by merging corresponding low-rank adapters (LoRAs) through…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Donald Shenaj , Ondrej Bohdal , Mete Ozay , Pietro Zanuttigh , Umberto Michieli

We propose a simple yet effective model for Single Image Super-Resolution (SISR), by combining the merits of Residual Learning and Convolutional Sparse Coding (RL-CSC). Our model is inspired by the Learned Iterative Shrinkage-Threshold…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Menglei Zhang , Zhou Liu , Lei Yu

In this paper, we consider two challenging issues in reference-based super-resolution (RefSR) for smartphone, (i) how to choose a proper reference image, and (ii) how to learn RefSR in a self-supervised manner. Particularly, we propose a…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Zhilu Zhang , Ruohao Wang , Hongzhi Zhang , Wangmeng Zuo

In recent times, the need for effective super-resolution (SR) techniques has surged, especially for large-scale images ranging 2K to 8K resolutions. For DNN-based SISR, decomposing images into overlapping patches is typically necessary due…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Jinho Jeong , Jinwoo Kim , Younghyun Jo , Seon Joo Kim

While recent advancements in Image Super-Resolution (SR) using diffusion models have shown promise in improving overall image quality, their application to scene text images has revealed limitations. These models often struggle with…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Keren Ye , Ignacio Garcia Dorado , Michalis Raptis , Mauricio Delbracio , Irene Zhu , Peyman Milanfar , Hossein Talebi

Recent years have witnessed the unprecedented success of deep convolutional neural networks (CNNs) in single image super-resolution (SISR). However, existing CNN-based SISR methods mostly assume that a low-resolution (LR) image is bicubicly…

计算机视觉与模式识别 · 计算机科学 2018-05-25 Kai Zhang , Wangmeng Zuo , Lei Zhang

We propose a new approach for the image super-resolution (SR) task that progressively restores a high-resolution (HR) image from an input low-resolution (LR) image on the basis of a neural ordinary differential equation. In particular, we…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Seobin Park , Tae Hyun Kim

Owing to the robust priors of diffusion models, recent approaches have shown promise in addressing real-world super-resolution (Real-SR). However, achieving semantic consistency and perceptual naturalness to meet human perception demands…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Jiangang Wang , Qingnan Fan , Qi Zhang , Haigen Liu , Yuhang Yu , Jinwei Chen , Wenqi Ren

Generative diffusion models (DM) have been extensively utilized in image super-resolution (ISR). Most of the existing methods adopt the denoising loss from DDPMs for model optimization. We posit that introducing reward feedback learning to…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Xiaopeng Sun , Qinwei Lin , Yu Gao , Yujie Zhong , Chengjian Feng , Dengjie Li , Zheng Zhao , Jie Hu , Lin Ma

Blind super-resolution methods based on stable diffusion showcase formidable generative capabilities in reconstructing clear high-resolution images with intricate details from low-resolution inputs. However, their practical applicability is…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Rui Xie , Chen Zhao , Kai Zhang , Zhenyu Zhang , Jun Zhou , Jian Yang , Ying Tai

Recent studies have significantly enhanced the performance of single-image super-resolution (SR) using convolutional neural networks (CNNs). While there can be many high-resolution (HR) solutions for a given input, most existing CNN-based…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Seung Ho Park , Young Su Moon , Nam Ik Cho

Pixel-wise regression is probably the most common problem in fine-grained computer vision tasks, such as estimating keypoint heatmaps and segmentation masks. These regression problems are very challenging particularly because they require,…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Huajun Liu , Fuqiang Liu , Xinyi Fan , Dong Huang

Super-resolution (SR) is a coveted image processing technique for mobile apps ranging from the basic camera apps to mobile health. Existing SR algorithms rely on deep learning models with significant memory requirements, so they have yet to…

人机交互 · 计算机科学 2021-01-21 Xin Liu , Yuang Li , Josh Fromm , Yuntao Wang , Ziheng Jiang , Alex Mariakakis , Shwetak Patel

There has been a growing interest in developing image super-resolution (SR) algorithms that convert low-resolution (LR) to higher resolution images, but automatically evaluating the visual quality of super-resolved images remains a…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Wei Zhou , Zhou Wang

Diffusion-based image super-resolution (SR) models have shown superior performance at the cost of multiple denoising steps. However, even though the denoising step has been reduced to one, they require high computational costs and storage…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Libo Zhu , Jianze Li , Haotong Qin , Wenbo Li , Yulun Zhang , Yong Guo , Xiaokang Yang

Perceptual image super-resolution (SR) methods restore degraded images and produce sharp outputs. In practice, those outputs are usually recompressed for storage and transmission. Ignoring recompression is suboptimal as the downstream codec…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Mingwei He , Tongda Xu , Xingtong Ge , Ming Sun , Chao Zhou , Yan Wang

The machine learning community has witnessed impressive advancements since large language models (LLMs) first appeared. Yet, their massive memory consumption has become a significant roadblock to large-scale training. For instance, a 7B…

机器学习 · 计算机科学 2024-12-30 Rui Pan , Xiang Liu , Shizhe Diao , Renjie Pi , Jipeng Zhang , Chi Han , Tong Zhang

The present State-of-the-Art (SotA) Image Super-Resolution (ISR) methods employ Deep Learning (DL) techniques using a large amount of image data. The primary limitation to extending the existing SotA ISR works for real-world instances is…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Sree Rama Vamsidhar S , Rama Krishna Gorthi

Single image super-resolution (SISR), which aims to reconstruct a high-resolution (HR) image from a low-resolution (LR) observation, has been an active research topic in the area of image processing in recent decades. Particularly, deep…

图像与视频处理 · 电气工程与系统科学 2021-03-04 Honggang Chen , Xiaohai He , Linbo Qing , Yuanyuan Wu , Chao Ren , Ce Zhu