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This work presents a novel deep-learning-based pipeline for the inverse problem of image deblurring, leveraging augmentation and pre-training with synthetic data. Our results build on our winning submission to the recent Helsinki Deblur…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Theophil Trippe , Martin Genzel , Jan Macdonald , Maximilian März

In Cassini ISS (Imaging Science Subsystem) images, contour detection is often performed on disk-resolved object to accurately locate their center. Thus, the contour detection is a key problem. Traditional edge detection methods, such as…

Instrumentation and Methods for Astrophysics · Physics 2020-02-05 Xiqi Yang , Qingfeng Zhang , Zhan Li

Upcoming large astronomical surveys are expected to capture an unprecedented number of strong gravitational lensing systems. Deep learning is emerging as a promising practical tool for the detection and quantification of these galaxy-scale…

Establishing accurate morphological measurements of galaxies in a reasonable amount of time for future big-data surveys such as EUCLID, the Large Synoptic Survey Telescope or the Wide Field Infrared Survey Telescope is a challenge. Because…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 D. Tuccillo , M. Huertas-Company , E. Decenciere , S. Velasco-Forero

Image color harmonization algorithm aims to automatically match the color distribution of foreground and background images captured in different conditions. Previous deep learning based models neglect two issues that are critical for…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Ben Xue , Shenghui Ran , Quan Chen , Rongfei Jia , Binqiang Zhao , Xing Tang

This paper presents Contrastive Reconstruction, ConRec - a self-supervised learning algorithm that obtains image representations by jointly optimizing a contrastive and a self-reconstruction loss. We showcase that state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Jonas Dippel , Steffen Vogler , Johannes Höhne

The development of deep convolutional neural network architecture is critical to the improvement of image classification task performance. A lot of studies of image classification based on deep convolutional neural network focus on the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Ke Zhang , Xinsheng Wang , Yurong Guo , Zhenbing Zhao , Zhanyu Ma , Tony X. Han

The next generation of data-intensive surveys are bound to produce a vast amount of data, which can be dealt with using machine-learning methods to explore possible correlations within the multi-dimensional parameter space. We explore the…

Deep clustering against self-supervised learning is a very important and promising direction for unsupervised visual representation learning since it requires little domain knowledge to design pretext tasks. However, the key component,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Weijie Chen , Shiliang Pu , Di Xie , Shicai Yang , Yilu Guo , Luojun Lin

Although efficient extraction of discriminative spatial-spectral features is critical for hyperspectral images classification (HSIC), it is difficult to achieve these features due to factors such as the spatial-spectral heterogeneity and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Yimin Zhu , Linlin Xu

Effective image restoration with large-size corruptions, such as blind image inpainting, entails precise detection of corruption region masks which remains extremely challenging due to diverse shapes and patterns of corruptions. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Xin Feng , Yifeng Xu , Guangming Lu , Wenjie Pei

To improve the efficiency and sustainability of learning deep models, we propose CREST, the first scalable framework with rigorous theoretical guarantees to identify the most valuable examples for training non-convex models, particularly…

Machine Learning · Computer Science 2023-06-05 Yu Yang , Hao Kang , Baharan Mirzasoleiman

Effective crack detection is pivotal for the structural health monitoring and inspection of buildings. This task presents a formidable challenge to computer vision techniques due to the inherently subtle nature of cracks, which often…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Sara Shomal Zadeh , Sina Aalipour birgani , Meisam Khorshidi , Farhad Kooban

We present a convolution-based algorithm for finding cosmic rays in single well-sampled astronomical images. The spatial filter used is the point spread function (approximated by a Gaussian) minus a scaled delta function, and cosmic rays…

Astrophysics · Physics 2009-10-31 James E. Rhoads

In the era of pre-trained models, image clustering task is usually addressed by two relevant stages: a) to produce features from pre-trained vision models; and b) to find clusters from the pre-trained features. However, these two stages are…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 W. He , Z. Huang , X. Meng , X. Qi , R. Xiao , C. -G. Li

Most contemporary supervised Remote Sensing (RS) image Change Detection (CD) approaches are customized for equal-resolution bitemporal images. Real-world applications raise the need for cross-resolution change detection, aka, CD based on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Hao Chen , Haotian Zhang , Keyan Chen , Chenyao Zhou , Song Chen , Zhengxia Zou , Zhenwei Shi

Conditional random fields (CRFs) are popular discriminative models for computer vision and have been successfully applied in the domain of image restoration, especially to image denoising. For image deblurring, however, discriminative…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Uwe Schmidt , Jeremy Jancsary , Sebastian Nowozin , Stefan Roth , Carsten Rother

Galaxy-scale strong gravitational lensing is not only a valuable probe of the dark matter distribution of massive galaxies, but can also provide valuable cosmological constraints, either by studying the population of strong lenses or by…

Instrumentation and Methods for Astrophysics · Physics 2017-12-06 Francois Lanusse , Quanbin Ma , Nan Li , Thomas E. Collett , Chun-Liang Li , Siamak Ravanbakhsh , Rachel Mandelbaum , Barnabas Poczos

This research aims to detect the physical characteristics of corn kernels and analyze images using a deep learning model. The data analysis based on the CRISP-DM framework which consists of six steps, business understanding, data…

Computational Engineering, Finance, and Science · Computer Science 2024-05-31 Suwannee Adsavakulchai , Mawin Prommasaeng

Super-resolution (SR) models in cosmological simulations use deep learning (DL) to rapidly enhance low-resolution (LR) runs with statistically correct fine details. These models preserves large-scale structures by conditioning on an LR…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-13 Xiaowen Zhang , Patrick Lachance , Ankita Dasgupta , Rupert A. C. Croft , Tiziana Di Matteo , Yueying Ni , Simeon Bird , Yin Li
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