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We show that pre-trained Generative Adversarial Networks (GANs), e.g., StyleGAN, can be used as a latent bank to improve the restoration quality of large-factor image super-resolution (SR). While most existing SR approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Kelvin C. K. Chan , Xintao Wang , Xiangyu Xu , Jinwei Gu , Chen Change Loy

Attention-based models, exemplified by the Transformer, can effectively model long range dependency, but suffer from the quadratic complexity of self-attention operation, making them difficult to be adopted for high-resolution image…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Long Zhao , Zizhao Zhang , Ting Chen , Dimitris N. Metaxas , Han Zhang

Text-to-image synthesis aims to generate natural images conditioned on text descriptions. The main difficulty of this task lies in effectively fusing text information into the image synthesis process. Existing methods usually adaptively…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Senmao Ye , Fei Liu , Minkui Tan

For optical coherence tomography angiography (OCTA) images, a limited scanning rate leads to a trade-off between field-of-view (FOV) and imaging resolution. Although larger FOV images may reveal more parafoveal vascular lesions, their…

Image and Video Processing · Electrical Eng. & Systems 2024-12-06 Weiwen Zhang , Dawei Yang , Haoxuan Che , An Ran Ran , Carol Y. Cheung , Hao Chen

Text-to-image synthesis has recently seen significant progress thanks to large pretrained language models, large-scale training data, and the introduction of scalable model families such as diffusion and autoregressive models. However, the…

Machine Learning · Computer Science 2023-01-24 Axel Sauer , Tero Karras , Samuli Laine , Andreas Geiger , Timo Aila

Purpose: To assess whether a generative adversarial network (GAN) could synthesize realistic optical coherence tomography (OCT) images that satisfactorily serve as the educational images for retinal specialists and the training datasets for…

Medical Physics · Physics 2020-06-02 Ce Zheng , Xiaolin Xie , Kang Zhou , Bang Chen , Jili Chen , Haiyun Ye , Wen Li , Tong Qiao , Shenghua Gao , Jianlong Yang , Jiang Liu

In this work, we present Patch-Adapter, an effective framework for high-resolution text-guided image inpainting. Unlike existing methods limited to lower resolutions, our approach achieves 4K+ resolution while maintaining precise content…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Jianhui Zhang , Sheng Cheng , Qirui Sun , Jia Liu , Wang Luyang , Chaoyu Feng , Chen Fang , Lei Lei , Jue Wang , Shuaicheng Liu

Inpainting involves filling in missing pixels or areas in an image, a crucial technique employed in Mixed Reality environments for various applications, particularly in Diminished Reality (DR) where content is removed from a user's visual…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Ankan Dash , Jingyi Gu , Guiling Wang

This paper presents a new adversarial training framework for image inpainting with segmentation confusion adversarial training (SCAT) and contrastive learning. SCAT plays an adversarial game between an inpainting generator and a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Zhiwen Zuo , Lei Zhao , Ailin Li , Zhizhong Wang , Zhanjie Zhang , Jiafu Chen , Wei Xing , Dongming Lu

High Dynamic Range (HDR) imaging via multi-exposure fusion is an important task for most modern imaging platforms. In spite of recent developments in both hardware and algorithm innovations, challenges remain over content association…

Image and Video Processing · Electrical Eng. & Systems 2022-04-13 Jie Chen , Zaifeng Yang , Tsz Nam Chan , Hui Li , Junhui Hou , Lap-Pui Chau

We propose In-Context Translation (ICT), a general learning framework to unify visual recognition (e.g., semantic segmentation), low-level image processing (e.g., denoising), and conditional image generation (e.g., edge-to-image synthesis).…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Han Xue , Qianru Sun , Li Song , Wenjun Zhang , Zhiwu Huang

Understanding, predicting, and generating object motions and transformations is a core problem in artificial intelligence. Modeling sequences of evolving images may provide better representations and models of motion and may ultimately be…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Arnab Ghosh , Viveka Kulharia , Amitabha Mukerjee , Vinay Namboodiri , Mohit Bansal

Generative Adversarial Networks (GANs) have been extremely successful in various application domains such as computer vision, medicine, and natural language processing. Moreover, transforming an object or person to a desired shape become a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Pourya Shamsolmoali , Masoumeh Zareapoor , Eric Granger , Huiyu Zhou , Ruili Wang , M. Emre Celebi , Jie Yang

Though generative adversarial networks (GANs) areprominent models to generate realistic and crisp images,they often encounter the mode collapse problems and arehard to train, which comes from approximating the intrinsicdiscontinuous…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Dongsheng An , Yang Guo , Min Zhang , Xin Qi , Na Lei , Shing-Tung Yau , Xianfeng Gu

To obtain high-quality Positron emission tomography (PET) images while minimizing radiation exposure, numerous methods have been proposed to reconstruct standard-dose PET (SPET) images from the corresponding low-dose PET (LPET) images.…

Image and Video Processing · Electrical Eng. & Systems 2024-04-10 Jiaqi Cui , Yan Wang , Lu Wen , Pinxian Zeng , Xi Wu , Jiliu Zhou , Dinggang Shen

We propose a novel model named Multi-Channel Attention Selection Generative Adversarial Network (SelectionGAN) for guided image-to-image translation, where we translate an input image into another while respecting an external semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Hao Tang , Philip H. S. Torr , Nicu Sebe

In this paper, we propose an Attentional Generative Adversarial Network (AttnGAN) that allows attention-driven, multi-stage refinement for fine-grained text-to-image generation. With a novel attentional generative network, the AttnGAN can…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Tao Xu , Pengchuan Zhang , Qiuyuan Huang , Han Zhang , Zhe Gan , Xiaolei Huang , Xiaodong He

Neural networks have proven their capabilities by outperforming many other approaches on regression or classification tasks on various kinds of data. Other astonishing results have been achieved using neural nets as data generators,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Andrej Junginger , Markus Hanselmann , Thilo Strauss , Sebastian Boblest , Jens Buchner , Holger Ulmer

This paper proposes a series of new approaches to improve Generative Adversarial Network (GAN) for conditional image synthesis and we name the proposed model as ArtGAN. One of the key innovation of ArtGAN is that, the gradient of the loss…

Computer Vision and Pattern Recognition · Computer Science 2018-08-27 Wei Ren Tan , Chee Seng Chan , Hernan Aguirre , Kiyoshi Tanaka

While GANs can produce photo-realistic images in ideal conditions for certain domains, the generation of full-body human images remains difficult due to the diversity of identities, hairstyles, clothing, and the variance in pose. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Anna Frühstück , Krishna Kumar Singh , Eli Shechtman , Niloy J. Mitra , Peter Wonka , Jingwan Lu