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The performance of unified multimodal models for image generation and editing is fundamentally constrained by the quality and comprehensiveness of their training data. While existing datasets have covered basic tasks like style transfer and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zhihong Chen , Xuehai Bai , Yang Shi , Chaoyou Fu , Huanyu Zhang , Haotian Wang , Xiaoyan Sun , Zhang Zhang , Liang Wang , Yuanxing Zhang , Pengfei Wan , Yi-Fan Zhang

Most publicly available image quality databases have been created under highly controlled conditions by introducing graded simulated distortions onto high-quality photographs. However, images captured using typical real-world mobile camera…

Computer Vision and Pattern Recognition · Computer Science 2016-01-20 Deepti Ghadiyaram , Alan C. Bovik

Image downscaling is a fundamental operation in image processing, crucial for adapting high-resolution content to various display and storage constraints. While classic methods often introduce blurring or aliasing, recent learning-based…

Image and Video Processing · Electrical Eng. & Systems 2025-11-04 Piyush Narhari Pise , Sanjay Ghosh

A major barrier to developing vision large language models (LLMs) in dermatology is the lack of large image--text pairs dataset. We introduce DermaSynth, a dataset comprising of 92,020 synthetic image--text pairs curated from 45,205 images…

The assessment of the perceptual quality of digital images is becoming increasingly important as a result of the widespread use of digital multimedia devices. Smartphones and high-speed internet are just two examples of technologies that…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Nisar Ahmed , Shahzad Asif

This paper presents GPSM4K, a comprehensive geometry multimodal dataset tailored to augment the problem-solving capabilities of Large Vision Language Models (LVLMs). GPSM4K encompasses 2157 multimodal question-answer pairs manually…

Underwater image restoration is of significant importance in unveiling the underwater world. Numerous techniques and algorithms have been developed in the past decades. However, due to fundamental difficulties associated with…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Junlin Han , Mehrdad Shoeiby , Tim Malthus , Elizabeth Botha , Janet Anstee , Saeed Anwar , Ran Wei , Mohammad Ali Armin , Hongdong Li , Lars Petersson

Omnidirectional image and video super-resolution is a crucial research topic in low-level vision, playing an essential role in virtual reality and augmented reality applications. Its goal is to reconstruct high-resolution images or video…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Qianqian Zhao , Chunle Guo , Tianyi Zhang , Junpei Zhang , Peiyang Jia , Tan Su , Wenjie Jiang , Chongyi Li

The scarcity of high-quality data remains a primary bottleneck in adapting multimodal generative models for medical image editing. Existing medical image editing datasets often suffer from limited diversity, neglect of medical image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yongfan Lai , Wen Qian , Bo Liu , Hongyan Li , Hao Luo , Fan Wang , Bohan Zhuang , Shenda Hong

One of the key challenges of detecting AI-generated images is spotting images that have been created by previously unseen generative models. We argue that the limited diversity of the training data is a major obstacle to addressing this…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Jeongsoo Park , Andrew Owens

Reference-based Super Resolution (RefSR) improves upon Single Image Super Resolution (SISR) by leveraging high-quality reference images to enhance texture fidelity and visual realism. However, a critical limitation of existing RefSR…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Jiaqi Yan , Shuning Xu , Xiangyu Chen , Dell Zhang , Jiantao Zhou , Jie Tang , Gangshan Wu , Jie Liu

This paper introduces a new large-scale image restoration dataset, called HQ-50K, which contains 50,000 high-quality images with rich texture details and semantic diversity. We analyze existing image restoration datasets from five different…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Qinhong Yang , Dongdong Chen , Zhentao Tan , Qiankun Liu , Qi Chu , Jianmin Bao , Lu Yuan , Gang Hua , Nenghai Yu

We demonstrate NeedleDB, an open-source, deployment-ready database system for answering complex natural language queries over image data. Unlike existing approaches that rely on contrastive-learning embeddings (e.g., CLIP), which degrade on…

Databases · Computer Science 2026-03-31 Mahdi Erfanian , Abolfazl Asudeh

In this paper, we propose LSRNA, a novel framework for higher-resolution (exceeding 1K) image generation using diffusion models by leveraging super-resolution directly in the latent space. Existing diffusion models struggle with scaling…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Jinho Jeong , Sangmin Han , Jinwoo Kim , Seon Joo Kim

Text-conditioned image generation has gained significant attention in recent years and are processing increasingly longer and comprehensive text prompt. In everyday life, dense and intricate text appears in contexts like advertisements,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Alex Jinpeng Wang , Dongxing Mao , Jiawei Zhang , Weiming Han , Zhuobai Dong , Linjie Li , Yiqi Lin , Zhengyuan Yang , Libo Qin , Fuwei Zhang , Lijuan Wang , Min Li

We introduce a new benchmark designed to advance the development of general-purpose, large-scale vision-language models for remote sensing images. Although several vision-language datasets in remote sensing have been proposed to pursue this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Xiang Li , Jian Ding , Mohamed Elhoseiny

Real-world text image super-resolution aims to restore overall visual quality and text legibility in images suffering from diverse degradations and text distortions. However, the scarcity of text image data in existing datasets results in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Haodong He , Xin Zhan , Yancheng Bai , Rui Lan , Lei Sun , Xiangxiang Chu

Large-scale generative models, such as text-to-image diffusion models, have garnered widespread attention across diverse domains due to their creative and high-fidelity image generation. Nonetheless, existing large-scale diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Younghyun Kim , Geunmin Hwang , Junyu Zhang , Eunbyung Park

Multimodal Large Language Models (MLLMs) struggle with accurately capturing camera-object relations, especially for object orientation, camera viewpoint, and camera shots. This stems from the fact that existing MLLMs are trained on images…

Recent advancements in large multimodal models like GPT-4o have set a new standard for high-fidelity, instruction-guided image editing. However, the proprietary nature of these models and their training data creates a significant barrier…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuhan Wang , Siwei Yang , Bingchen Zhao , Letian Zhang , Qing Liu , Yuyin Zhou , Cihang Xie