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We prepare real-life Cosmic Microwave Background (CMB) lensing extraction with the forthcoming Planck satellite data, by studying two systematic effects related to the foregrounds contamination: the impact of foreground residuals after a…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-12 L. Perotto , J. Bobin , S. Plaszczynski , J. -L. Starck , A. Lavabre

We present a new method which leverages conditional Generative Adversarial Networks (cGAN) to reconstruct galaxy cluster convergence from lensed CMB temperature maps. Our model is constructed to emphasize structure and high-frequency…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-17 Liam Parker , Dongwon Han , Pablo Lemos Portela , Shirley Ho

Component separation is the process with which emission sources in astrophysical maps are generally extracted by taking multi-frequency information into account. It is crucial to develop more reliable methods for component separation for…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-19 J. M. Casas , L. Bonavera , J. González-Nuevo , C. Baccigalupi , M. M. Cueli , D. Crespo , E. Goitia , J. D. Santos , M. L. Sánchez , F. J. de Cos

Deep learning techniques have made considerable progress in image inpainting, restoration, and reconstruction in the last few years. Image outpainting, also known as image extrapolation, lacks attention and practical approaches to be…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Xi Wang , Weixi Cheng , Wenliang Jia

Image inpainting is the task of filling in missing or masked region of an image with semantically meaningful contents. Recent methods have shown significant improvement in dealing with large-scale missing regions. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Wanglong Lu , Xianta Jiang , Xiaogang Jin , Yong-Liang Yang , Minglun Gong , Tao Wang , Kaijie Shi , Hanli Zhao

Generative Adversarial Networks (GANs) have been employed with certain success for image translation tasks between optical and real-valued SAR intensity imagery. Applications include aiding interpretability of SAR scenes with their optical…

Signal Processing · Electrical Eng. & Systems 2020-08-05 Philipp Sibler , Yuanyuan Wang , Stefan Auer , Mohsin Ali , Xiao Xiang Zhu

Generative adversarial networks (GANs) can synthesize high-quality (HQ) images, and GAN inversion is a technique that discovers how to invert given images back to latent space. While existing methods perform on StyleGAN inversion, they have…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Cheng Yu , Wenmin Wang , Roberto Bugiolacchi

Inpainting has been continuously studied in the field of computer vision. As artificial intelligence technology developed, deep learning technology was introduced in inpainting research, helping to improve performance. Currently, the input…

Image and Video Processing · Electrical Eng. & Systems 2021-01-27 Seo Woo Han , Doug Young Suh

While Generative Adversarial Networks (GANs) are fundamental to many generative modelling applications, they suffer from numerous issues. In this work, we propose a principled framework to simultaneously mitigate two fundamental issues in…

Machine Learning · Computer Science 2020-11-24 Kwot Sin Lee , Ngoc-Trung Tran , Ngai-Man Cheung

Although the inherently ambiguous task of predicting what resides beyond all four edges of an image has rarely been explored before, we demonstrate that GANs hold powerful potential in producing reasonable extrapolations. Two outpainting…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Basile Van Hoorick

Portrait editing is a popular subject in photo manipulation. The Generative Adversarial Network (GAN) advances the generating of realistic faces and allows more face editing. In this paper, we argue about three issues in existing…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Shuyang Gu , Jianmin Bao , Hao Yang , Dong Chen , Fang Wen , Lu Yuan

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

This paper proposes a novel approach based on conditional Generative Adversarial Networks (cGAN) for breast mass segmentation in mammography. We hypothesized that the cGAN structure is well-suited to accurately outline the mass area,…

Color image inpainting is a challenging task in imaging science. The existing method is based on real operation, and the red, green and blue channels of the color image are processed separately, ignoring the correlation between each…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Duan Wang , Dandan Zhu , Meixiang Zhao , Zhigang Jia

Generative adversarial networks (GANs), trained on a large-scale image dataset, can be a good approximator of the natural image manifold. GAN-inversion, using a pre-trained generator as a deep generative prior, is a promising tool for image…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Shancong Mou , Xiaoyi Gu , Meng Cao , Haoping Bai , Ping Huang , Jiulong Shan , Jianjun Shi

The advent of Generative Adversarial Networks (GANs) has brought about completely novel ways of transforming and manipulating pixels in digital images. GAN based techniques such as Image-to-Image translations, DeepFakes, and other automated…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Lakshmanan Nataraj , Tajuddin Manhar Mohammed , Shivkumar Chandrasekaran , Arjuna Flenner , Jawadul H. Bappy , Amit K. Roy-Chowdhury , B. S. Manjunath

We present a continual learning approach for generative adversarial networks (GANs), by designing and leveraging parameter-efficient feature map transformations. Our approach is based on learning a set of global and task-specific…

Machine Learning · Computer Science 2021-08-02 Sakshi Varshney , Vinay Kumar Verma , Srijith P K , Lawrence Carin , Piyush Rai

Deep neural advancements have recently brought remarkable image synthesis performance to the field of image inpainting. The adaptation of generative adversarial networks (GAN) in particular has accelerated significant progress in…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Dongmin Cha , Daijin Kim

In semiconductor manufacturing, the wafer dicing process is central yet vulnerable to defects that significantly impair yield - the proportion of defect-free chips. Deep neural networks are the current state of the art in (semi-)automated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zhining Hu , Tobias Schlosser , Michael Friedrich , André Luiz Vieira e Silva , Frederik Beuth , Danny Kowerko