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Single-image relighting is a challenging task that involves reasoning about the complex interplay between geometry, materials, and lighting. Many prior methods either support only specific categories of images, such as portraits, or require…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Haian Jin , Yuan Li , Fujun Luan , Yuanbo Xiangli , Sai Bi , Kai Zhang , Zexiang Xu , Jin Sun , Noah Snavely

Point cloud completion aims to recover the complete 3D shape of an object from partial observations. While approaches relying on synthetic shape priors achieved promising results in this domain, their applicability and generalizability to…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Başak Melis Öcal , Maxim Tatarchenko , Sezer Karaoglu , Theo Gevers

In single image super-resolution (SISR), given a low-resolution (LR) image, one wishes to find a high-resolution (HR) version of it which is both accurate and photo-realistic. Recently, it has been shown that there exists a fundamental…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Xin Deng , Ren Yang , Mai Xu , Pier Luigi Dragotti

3D object generation from a single image involves estimating the full 3D geometry and texture of unseen views from an unposed RGB image captured in the wild. Accurately reconstructing an object's complete 3D structure and texture has…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Hritam Basak , Hadi Tabatabaee , Shreekant Gayaka , Ming-Feng Li , Xin Yang , Cheng-Hao Kuo , Arnie Sen , Min Sun , Zhaozheng Yin

Recently single image super resolution is very important research area to generate high resolution image from given low resolution image. Algorithms of single image resolution are mainly based on wavelet domain and spatial domain. Filters…

计算机视觉与模式识别 · 计算机科学 2013-09-10 Sapan Naik , Nikunj Patel

Hyperspectral image (HSI) restoration aims at recovering clean images from degraded observations and plays a vital role in downstream tasks. Existing model-based methods have limitations in accurately modeling the complex image…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Li Pang , Xiangyu Rui , Long Cui , Hongzhong Wang , Deyu Meng , Xiangyong Cao

Super-resolution is widely used in medical imaging to enhance low-quality data, reducing scan time and improving abnormality detection. Conventional super-resolution approaches typically rely on paired datasets of downsampled and original…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Xiaoyi Wen , Fei Jiang

We introduce a diffusion-based cross-domain image translator in the absence of paired training data. Unlike GAN-based methods, our approach integrates diffusion models to learn the image translation process, allowing for more coverable…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Shilong Zou , Yuhang Huang , Renjiao Yi , Chenyang Zhu , Kai Xu

Large-scale, pre-trained Text-to-Image (T2I) diffusion models have gained significant popularity in image generation tasks and have shown unexpected potential in image Super-Resolution (SR). However, most existing T2I diffusion models are…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Brian B. Moser , Stanislav Frolov , Tobias C. Nauen , Federico Raue , Andreas Dengel

Text-to-image diffusion models often exhibit degraded performance when generating images beyond their training resolution. Recent training-free methods can mitigate this limitation, but they often require substantial computation or are…

机器学习 · 计算机科学 2025-10-31 Sungho Koh , SeungJu Cha , Hyunwoo Oh , Kwanyoung Lee , Dong-Jin Kim

We present JointDiT, a diffusion transformer that models the joint distribution of RGB and depth. By leveraging the architectural benefit and outstanding image prior of the state-of-the-art diffusion transformer, JointDiT not only generates…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Kwon Byung-Ki , Qi Dai , Lee Hyoseok , Chong Luo , Tae-Hyun Oh

Recently, convolutional neural networks have shown promising performance for single-image super-resolution. In this paper, we propose Deep Artifact-Free Residual (DAFR) network which uses the merits of both residual learning and usage of…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Hamdollah Nasrollahi , Kamran Farajzadeh , Vahid Hosseini , Esmaeil Zarezadeh , Milad Abdollahzadeh

Recently, Diffusion Transformers (DiTs) have emerged in Real-World Image Super-Resolution (Real-ISR) to generate high-quality textures, yet their heavy inference burden hinders real-world deployment. While Post-Training Quantization (PTQ)…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Xun Zhang , Kaicheng Yang , Hongliang Lu , Haotong Qin , Yong Guo , Yulun Zhang

We introduce MultiDiff, a novel approach for consistent novel view synthesis of scenes from a single RGB image. The task of synthesizing novel views from a single reference image is highly ill-posed by nature, as there exist multiple,…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Norman Müller , Katja Schwarz , Barbara Roessle , Lorenzo Porzi , Samuel Rota Bulò , Matthias Nießner , Peter Kontschieder

In diffusion models, samples are generated through an iterative refinement process, requiring hundreds of sequential model evaluations. Several recent methods have introduced approximations (fewer discretization steps or distillation) to…

机器学习 · 计算机科学 2024-12-12 Nikil Roashan Selvam , Amil Merchant , Stefano Ermon

Diffusion models achieve great success in generating diverse and high-fidelity images, yet their widespread application, especially in real-time scenarios, is hampered by their inherently slow generation speed. The slow generation stems…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Shengkun Tang , Yaqing Wang , Caiwen Ding , Yi Liang , Yao Li , Dongkuan Xu

This work addresses the Burst Super-Resolution (BurstSR) task using a new architecture, which requires restoring a high-quality image from a sequence of noisy, misaligned, and low-resolution RAW bursts. To overcome the challenges in…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Ziwei Luo , Youwei Li , Shen Cheng , Lei Yu , Qi Wu , Zhihong Wen , Haoqiang Fan , Jian Sun , Shuaicheng Liu

Super-resolution (SR) aims to enhance the quality of low-resolution images and has been widely applied in medical imaging. We found that the design principles of most existing methods are influenced by SR tasks based on real-world images…

图像与视频处理 · 电气工程与系统科学 2025-11-14 Feiyang Jia , Zhineng Chen , Ziying Song , Lin Liu , Caiyan Jia

Speech super-resolution (SR) is the task that restores high-resolution speech from low-resolution input. Existing models employ simulated data and constrained experimental settings, which limit generalization to real-world SR. Predictive…

音频与语音处理 · 电气工程与系统科学 2024-01-26 Heming Wang , Eric W. Healy , DeLiang Wang

Diffusion-based generative models have shown promise in synthesizing histopathology images to address data scarcity caused by privacy constraints. Diagnostic text reports provide high-level semantic descriptions, and masks offer…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Mahesh Bhosale , Abdul Wasi , Yuanhao Zhai , Yunjie Tian , Samuel Border , Nan Xi , Pinaki Sarder , Junsong Yuan , David Doermann , Xuan Gong