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Ultra-high-resolution image synthesis holds significant potential, yet remains an underexplored challenge due to the absence of standardized benchmarks and computational constraints. In this paper, we establish Aesthetic-4K, a meticulously…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Jinjin Zhang , Qiuyu Huang , Junjie Liu , Xiefan Guo , Di Huang

In this paper, we present Diffusion-4K, a novel framework for direct ultra-high-resolution image synthesis using text-to-image diffusion models. The core advancements include: (1) Aesthetic-4K Benchmark: addressing the absence of a publicly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Jinjin Zhang , Qiuyu Huang , Junjie Liu , Xiefan Guo , Di Huang

With recent advancements in diffusion models, users can generate high-quality images by writing text prompts in natural language. However, generating images with desired details requires proper prompts, and it is often unclear how a model…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Zijie J. Wang , Evan Montoya , David Munechika , Haoyang Yang , Benjamin Hoover , Duen Horng Chau

We have witnessed significant progress in deep learning-based 3D vision, ranging from neural radiance field (NeRF) based 3D representation learning to applications in novel view synthesis (NVS). However, existing scene-level datasets for…

High-resolution imaging is crucial for enhancing visual clarity and enabling precise computer-assisted guidance in minimally invasive surgery (MIS). Despite the increasing adoption of 4K endoscopic systems, there remains a significant gap…

Accurate 3D reconstruction of objects with reflective, transparent, or low-texture surfaces still remains notoriously challenging. Such materials often violate key assumptions in multi-view reconstruction pipelines, such as photometric…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zhicheng Liang , Haoyi Yu , Boyan Li , Dayou Zhang , Zijian Cao , Tianyi Gong , Junhua Liu , Shuguang Cui , Fangxin Wang

This paper introduces a new real and synthetic dataset called NeRFBK specifically designed for testing and comparing NeRF-based 3D reconstruction algorithms. High-quality 3D reconstruction has significant potential in various fields, and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Ali Karami , Simone Rigon , Gabriele Mazzacca , Ziyang Yan , Fabio Remondino

It is widely agreed that reference-based super-resolution (RefSR) achieves superior results by referring to similar high quality images, compared to single image super-resolution (SISR). Intuitively, the more references, the better…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Lin Zhang , Xin Li , Dongliang He , Errui Ding , Zhaoxiang Zhang

High-quality and open datasets remain a major bottleneck for text-to-image (T2I) fine-tuning. Despite rapid progress in model architectures and training pipelines, most publicly available fine-tuning datasets suffer from low resolution,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xu Ma , Yitian Zhang , Qihua Dong , Yun Fu

Reflection removal technology plays a crucial role in photography and computer vision applications. However, existing techniques are hindered by the lack of high-quality in-the-wild datasets. In this paper, we propose a novel paradigm for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Kangning Yang , Ling Ouyang , Huiming Sun , Jie Cai , Lan Fu , Jiaming Ding , Chiu Man Ho , Zibo Meng

In this study, we introduce LoopDB, which is a challenging loop closure dataset comprising over 1000 images captured across diverse environments, including parks, indoor scenes, parking spaces, as well as centered around individual objects.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Mohammad-Maher Nakshbandi , Ziad Sharawy , Dorian Cojocaru , Sorin Grigorescu

Advances in radiance fields have enabled photorealistic novel view synthesis. In several domains, large-scale real-world datasets have been developed to support comprehensive benchmarking and to facilitate progress beyond scene-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Cheng-You Lu , Yi-Shan Hung , Wei-Ling Chi , Hao-Ping Wang , Charlie Li-Ting Tsai , Yu-Cheng Chang , Yu-Lun Liu , Thomas Do , Chin-Teng Lin

The development of learning-based hyperspectral image compression methods has recently attracted great attention in remote sensing. Such methods require a high number of hyperspectral images to be used during training to optimize all…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Martin Hermann Paul Fuchs , Begüm Demir

Image Super-Resolution (SR) techniques improve visual quality by enhancing the spatial resolution of images. Quality evaluation metrics play a critical role in comparing and optimizing SR algorithms, but current metrics achieve only limited…

Image and Video Processing · Electrical Eng. & Systems 2020-12-17 Tiesong Zhao , Yuting Lin , Yiwen Xu , Weiling Chen , Zhou Wang

As an important and practical way to obtain high dynamic range (HDR) video, HDR video reconstruction from sequences with alternating exposures is still less explored, mainly due to the lack of large-scale real-world datasets. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Yong Shu , Liquan Shen , Xiangyu Hu , Mengyao Li , Zihao Zhou

Portrait pictures, which typically feature both human subjects and natural backgrounds, are one of the most prevalent forms of photography on social media. Existing image super-resolution (ISR) techniques generally focus either on generic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Renjie Li , Zihao Zhu , Xiaoyu Wang , Zhengzhong Tu

Food recognition plays an important role in food choice and intake, which is essential to the health and well-being of humans. It is thus of importance to the computer vision community, and can further support many food-oriented vision and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Weiqing Min , Zhiling Wang , Yuxin Liu , Mengjiang Luo , Liping Kang , Xiaoming Wei , Xiaolin Wei , Shuqiang Jiang

In modern display technology and visualization tools, downscaling images is one of the most important activities. This procedure aims to maintain both visual authenticity and structural integrity while reducing the dimensions of an image at…

Image and Video Processing · Electrical Eng. & Systems 2025-10-29 Suvrojit Mitra , G B Kevin Arjun , Sanjay Ghosh

Fine-grained and instance-level recognition methods are commonly trained and evaluated on specific domains, in a model per domain scenario. Such an approach, however, is impractical in real large-scale applications. In this work, we address…

High-quality 3D human body reconstruction requires high-fidelity and large-scale training data and appropriate network design that effectively exploits the high-resolution input images. To tackle these problems, we propose a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sang-Hun Han , Min-Gyu Park , Ju Hong Yoon , Ju-Mi Kang , Young-Jae Park , Hae-Gon Jeon
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