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Diffusion models have achieved impressive results in world modeling tasks, including novel view generation from sparse inputs. However, most existing diffusion-based NVS methods generate target views jointly via an iterative denoising…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Wenbin Teng , Gonglin Chen , Haiwei Chen , Yajie Zhao

3D Gaussian Splatting (3DGS) has emerged as a state-of-the-art method for novel view synthesis. However, its performance heavily relies on dense, high-quality input imagery, an assumption that is often violated in real-world applications,…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Zhankuo Xu , Chaoran Feng , Yingtao Li , Jianbin Zhao , Jiashu Yang , Wangbo Yu , Li Yuan , Yonghong Tian

Recent advances in diffusion-based real-world image super-resolution (Real-ISR) have demonstrated remarkable perceptual quality, yet the balance between fidelity and controllability remains a problem: multi-step diffusion-based methods…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Yushun Fang , Yuxiang Chen , Shibo Yin , Qiang Hu , Jiangchao Yao , Ya Zhang , Xiaoyun Zhang , Yanfeng Wang

Remote Sensing Image Super-Resolution (RSISR) reconstructs high-resolution (HR) remote sensing images from low-resolution inputs to support fine-grained ground object interpretation. Existing methods face three key challenges: (1)…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Yide Liu , Haijiang Sun , Xiaowen Zhang , Qiaoyuan Liu , Zhouchang Chen , Chongzhuo Xiao

Spatial transcriptomics provides an unprecedented perspective for deciphering tissue spatial heterogeneity. However, high-resolution spatial transcriptomic technology remains constrained by limited gene coverage, technical complexity, and…

生物大分子 · 定量生物学 2026-05-19 Xinlei Huang , Weihao Dai , Zijun Qin , Xin Yu , Di Wang , Yanran Liu , Lixin Cheng , Xubin Zheng

Restoring low-resolution text images presents a significant challenge, as it requires maintaining both the fidelity and stylistic realism of the text in restored images. Existing text image restoration methods often fall short in hard…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Chenglu Pan , Xiaogang Xu , Ganggui Ding , Yunke Zhang , Wenbo Li , Jiarong Xu , Qingbiao Wu

Scene Text Image Super-Resolution (STISR) aims to enhance the resolution and legibility of text within low-resolution (LR) images, consequently elevating recognition accuracy in Scene Text Recognition (STR). Previous methods predominantly…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Yuxuan Zhou , Liangcai Gao , Zhi Tang , Baole Wei

Recently, 3D Gaussian Splatting (3DGS) has attracted widespread attention due to its high-quality rendering, and ultra-fast training and rendering speed. However, due to the unstructured and irregular nature of Gaussian point clouds, it is…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Danpeng Chen , Hai Li , Weicai Ye , Yifan Wang , Weijian Xie , Shangjin Zhai , Nan Wang , Haomin Liu , Hujun Bao , Guofeng Zhang

A single rolling-shutter (RS) image may be viewed as a row-wise combination of a sequence of global-shutter (GS) images captured by a (virtual) moving GS camera within the exposure duration. Although RS cameras are widely used, the RS…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Bin Fan , Yuchao Dai , Hongdong Li

Omnidirectional image super-resolution (ODISR) aims to upscale low-resolution (LR) omnidirectional images (ODIs) to high-resolution (HR), catering to the growing demand for detailed visual content across a $ 180^{\circ}\times360^{\circ}$…

图像与视频处理 · 电气工程与系统科学 2026-03-04 Xuhan Sheng , Runyi Li , Bin Chen , Weiqi Li , Xu Jiang , Jian Zhang

Image super-resolution (SR) aims to reconstruct high resolution images with both high perceptual quality and low distortion, but is fundamentally limited by the perception-distortion trade-off. GAN-based SR methods reduce distortion but…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Dan Wang , Haiyan Sun , Shan Du , Z. Jane Wang , Zhaochong An , Serge Belongie , Xinrui Cui

Large-scale pre-trained diffusion models are becoming increasingly popular in solving the Real-World Image Super-Resolution (Real-ISR) problem because of their rich generative priors. The recent development of diffusion transformer (DiT)…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Zheng-Peng Duan , Jiawei Zhang , Xin Jin , Ziheng Zhang , Zheng Xiong , Dongqing Zou , Jimmy S. Ren , Chun-Le Guo , Chongyi Li

Score-based generative models (SGMs) have recently emerged as a promising class of generative models. The key idea is to produce high-quality images by recurrently adding Gaussian noises and gradients to a Gaussian sample until converging…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Hengyuan Ma , Li Zhang , Xiatian Zhu , Jingfeng Zhang , Jianfeng Feng

Score distillation sampling (SDS), the methodology in which the score from pretrained 2D diffusion models is distilled into 3D representation, has recently brought significant advancements in text-to-3D generation task. However, this…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Min-Seop Kwak , Donghoon Ahn , Ines Hyeonsu Kim , Jin-Hwa Kim , Seungryong Kim

The task of single image super-resolution (SISR) aims at reconstructing a high-resolution (HR) image from a low-resolution (LR) image. Although significant progress has been made by deep learning models, they are trained on synthetic paired…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Zhen Han , Enyan Dai , Xu Jia , Xiaoying Ren , Shuaijun Chen , Chunjing Xu , Jianzhuang Liu , Qi Tian

Diffusion models have gained attention for their success in modeling complex distributions, achieving impressive perceptual quality in SR tasks. However, existing diffusion-based SR methods often suffer from high computational costs,…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Rui Qin , Qijie Wang , Ming Sun , Haowei Zhu , Chao Zhou , Bin Wang

Depth map super-resolution (DSR) has been a fundamental task for 3D computer vision. While arbitrary scale DSR is a more realistic setting in this scenario, previous approaches predominantly suffer from the issue of inefficient…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Xiaohang Wang , Xuanhong Chen , Bingbing Ni , Zhengyan Tong , Hang Wang

Collecting amounts of distorted/clean image pairs in the real world is non-trivial, which seriously limits the practical applications of these supervised learning-based methods on real-world image super-resolution (RealSR). Previous works…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Xin Li , Xin Jin , Jun Fu , Xiaoyuan Yu , Bei Tong , Zhibo Chen

Omnidirectional images (ODIs) are commonly used in real-world visual tasks, and high-resolution ODIs help improve the performance of related visual tasks. Most existing super-resolution methods for ODIs use end-to-end learning strategies,…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Runyi Li , Xuhan Sheng , Weiqi Li , Jian Zhang

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