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Convolutional Neural Networks (CNNs) have significantly advanced Image Super-Resolution (SR), yet most CNN-based methods rely solely on pixel-based transformations, often leading to artifacts and blurring, particularly under severe…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingwen Hu , Heng Liu , Zhedong Zheng , Ping Liu

The ability to recognize and reason about text embedded in visual inputs is often lacking in vision-and-language (V&L) models, perhaps because V&L pre-training methods have often failed to include such an ability in their training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jihyung Kil , Soravit Changpinyo , Xi Chen , Hexiang Hu , Sebastian Goodman , Wei-Lun Chao , Radu Soricut

We present a novel approach to leverage prior knowledge encapsulated in pre-trained text-to-image diffusion models for blind super-resolution (SR). Specifically, by employing our time-aware encoder, we can achieve promising restoration…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Jianyi Wang , Zongsheng Yue , Shangchen Zhou , Kelvin C. K. Chan , Chen Change Loy

Deep CNNs have achieved great success in text detection. Most of existing methods attempt to improve accuracy with sophisticated network design, while paying less attention on speed. In this paper, we propose a general framework for text…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Xiaoyu Yue , Zhanghui Kuang , Zhaoyang Zhang , Zhenfang Chen , Pan He , Yu Qiao , Wei Zhang

To overcome inherent hardware limitations of hyperspectral imaging systems with respect to their spatial resolution, fusion-based hyperspectral image (HSI) super-resolution is attracting increasing attention. This technique aims to fuse a…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Xiuheng Wang , Jie Chen , Cédric Richard

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

Assuming a known degradation model, the performance of a learned image super-resolution (SR) model depends on how well the variety of image characteristics within the training set matches those in the test set. As a result, the performance…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Cansu Korkmaz , A. Murat Tekalp , Zafer Dogan

Scene text images have different shapes and are subjected to various distortions, e.g. perspective distortions. To handle these challenges, the state-of-the-art methods rely on a rectification network, which is connected to the text…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Yew Lee Tan , Ernest Yu Kai Chew , Adams Wai-Kin Kong , Jung-Jae Kim , Joo Hwee Lim

Video super-resolution (VSR) aims at restoring a video in low-resolution (LR) and improving it to higher-resolution (HR). Due to the characteristics of video tasks, it is very important that motion information among frames should be well…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Hongying Liu , Peng Zhao , Zhubo Ruan , Fanhua Shang , Yuanyuan Liu

To prevent unauthorized use of text in images, Scene Text Removal (STR) has become a crucial task. It focuses on automatically removing text and replacing it with a natural, text-less background while preserving significant details such as…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Sanhita Pathak , Vinay Kaushik , Brejesh Lall

Existing mainstream approaches follow the encoder-decoder paradigm for generating radiology reports. They focus on improving the network structure of encoders and decoders, which leads to two shortcomings: overlooking the modality gap and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Yuanjiang Luo , Hongxiang Li , Xuan Wu , Meng Cao , Xiaoshuang Huang , Zhihong Zhu , Peixi Liao , Hu Chen , Yi Zhang

Image-Text Matching is one major task in cross-modal information processing. The main challenge is to learn the unified visual and textual representations. Previous methods that perform well on this task primarily focus on not only the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Keyu Wen , Xiaodong Gu , Qingrong Cheng

Pre-trained models with large-scale training data, such as CLIP and Stable Diffusion, have demonstrated remarkable performance in various high-level computer vision tasks such as image understanding and generation from language…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Xiaogang Xu , Shu Kong , Tao Hu , Zhe Liu , Hujun Bao

Single-image super-resolution (SR) and multi-frame SR are two ways to super resolve low-resolution images. Single-Image SR generally handles each image independently, but ignores the temporal information implied in continuing frames.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Wenjia Niu , Kaihao Zhang , Wenhan Luo , Yiran Zhong

Segmentation-based scene text detection algorithms can handle arbitrary shape scene texts and have strong robustness and adaptability, so it has attracted wide attention. Existing segmentation-based scene text detection algorithms usually…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Jinzhi Zheng , Libo Zhang , Yanjun Wu , Chen Zhao

Diffusion models have gained attention for image editing yielding impressive results in text-to-image tasks. On the downside, one might notice that generated images of stable diffusion models suffer from deteriorated details. This pitfall…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Joshua Santoso , Christian Simon , Williem

The accurate segmentation of medical images is a crucial step in obtaining reliable morphological statistics. However, training a deep neural network for this task requires a large amount of labeled data to ensure high-accuracy results. To…

Image and Video Processing · Electrical Eng. & Systems 2023-07-04 Xianjun Han , Qianqian Chen , Zhaoyang Xie , Xuejun Li , Hongyu Yang

Single image super-resolution (SR) via deep learning has recently gained significant attention in the literature. Convolutional neural networks (CNNs) are typically learned to represent the mapping between low-resolution (LR) and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Hojjat S. Mousavi , Tiantong Guo , Vishal Monga

It is an extremely challenging task to detect arbitrary shape text in natural scenes on high accuracy and efficiency. In this paper, we propose a scene text detection framework, namely GWNet, which mainly includes two modules: Global module…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Fuqiang Zhao , Jionghua Yu , Enjun Xing , Wenming Song , Xue Xu

Non-visual imaging sensors are widely used in the industry for different purposes. Those sensors are more expensive than visual (RGB) sensors, and usually produce images with lower resolution. To this end, Cross-Modality Super-Resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Guy Shacht , Sharon Fogel , Dov Danon , Daniel Cohen-Or , Ilya Leizerson
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