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Photometric redshift estimation plays a crucial role in modern cosmological surveys for studying the universe's large-scale structures and the evolution of galaxies. Deep learning has emerged as a powerful method to produce accurate…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-04 R. Ait-Ouahmed , S. Arnouts , J. Pasquet , M. Treyer , E. Bertin

Recovering the image of an object from its phaseless speckle pattern is difficult. Let alone the transmission matrix is unknown in multiple scattering media imaging. Double phase retrieval is a recently proposed efficient method which…

Signal Processing · Electrical Eng. & Systems 2018-06-27 Ziyang Yuan , Hongxia Wang

Image classification is a fundamental application in computer vision. Recently, deeper networks and highly connected networks have shown state of the art performance for image classification tasks. Most datasets these days consist of a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-04 Shreyank N Gowda , Chun Yuan

Image denoising and demosaicking are the most important early stages in digital camera pipelines. They constitute a severely ill-posed problem that aims at reconstructing a full color image from a noisy color filter array (CFA) image. In…

Image and Video Processing · Electrical Eng. & Systems 2020-04-27 Qiyu Jin , Gabriele Facciolo , Jean-Michel Morel

In this paper, we propose multi-stage and deformable deep convolutional neural networks for object detection. This new deep learning object detection diagram has innovations in multiple aspects. In the proposed new deep architecture, a new…

Computer Vision and Pattern Recognition · Computer Science 2014-09-12 Wanli Ouyang , Ping Luo , Xingyu Zeng , Shi Qiu , Yonglong Tian , Hongsheng Li , Shuo Yang , Zhe Wang , Yuanjun Xiong , Chen Qian , Zhenyao Zhu , Ruohui Wang , Chen-Change Loy , Xiaogang Wang , Xiaoou Tang

In current practice, many image processing tasks are done sequentially (e.g. denoising, dehazing, followed by semantic segmentation). In this paper, we propose a novel multi-task neural network architecture designed for combining sequential…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Ilja Gubins , Remco C. Veltkamp

CT image denoising can be treated as an image-to-image translation task where the goal is to learn the transform between a source domain $X$ (noisy images) and a target domain $Y$ (clean images). Recently, cycle-consistent adversarial…

Image and Video Processing · Electrical Eng. & Systems 2020-02-28 Jinglan Liu , Yukun Ding , Jinjun Xiong , Qianjun Jia , Meiping Huang , Jian Zhuang , Bike Xie , Chun-Chen Liu , Yiyu Shi

Polarization images provide rich physical information that is fundamentally absent from standard RGB images, benefiting a wide range of computer vision applications such as reflection separation and material classification. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Beibei Lin , Zifeng Yuan , Tingting Chen

The signal demixing problem seeks to separate a superposition of multiple signals into its constituent components. This paper studies a two-stage approach that first decompresses and subsequently deconvolves the noisy and undersampled…

Information Retrieval · Computer Science 2022-05-25 Zhenan Fan , Halyun Jeong , Babhru Joshi , Michael P. Friedlander

Polarisation imaging is used to distinguish objects and surface characteristics that are otherwise not visible with black-and-white or colour imaging. Full-Stokes polarisation imaging allows complex image processing like water glint…

The quality of images of the Sun obtained from the ground are severely limited by the perturbing effect of the turbulent Earth's atmosphere. The post-facto correction of the images to compensate for the presence of the atmosphere require…

Solar and Stellar Astrophysics · Physics 2018-12-05 A. Asensio Ramos , J. de la Cruz Rodriguez , A. Pastor Yabar

Polarization imaging captures the polarization state of light, revealing information invisible to the human eye yet valuable in domains such as biomedical diagnostics, autonomous driving, and remote sensing. However, conventional…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Noa Kraicer , Erez Yosef , Raja Giryes

Snapshot polarization imaging calculates polarization states from linearly polarized subimages. To achieve this, a polarization camera employs a double Bayer-patterned sensor to capture both color and polarization. It demonstrates low light…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Inseung Hwang , Kiseok Choi , Hyunho Ha , Min H. Kim

Color and structure are the two pillars that construct an image. Usually, the structure is well expressed through a rich spectrum of colors, allowing objects in an image to be recognized by neural networks. However, under extreme…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Yunzhong Hou , Liang Zheng , Stephen Gould

In convolutional neural networks (CNNs), downsampling operations are crucial to model performance. Although traditional downsampling methods (such as maximum pooling and cross-row convolution) perform well in feature aggregation, receptive…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Wenbo Yue , Chang Li , Guoping Xu

The real-time, in-line analysis of light polarization is critical in optical communication networks, which suffers from the complex systems with numerous bulky opto-electro-mechanical elements tandemly arranged along optical path. Here, we…

Over the last decade, scanning transmission electron microscopy (STEM) has emerged as a powerful tool for probing atomic structures of complex materials with picometer precision, opening the pathway toward exploring ferroelectric,…

Data Analysis, Statistics and Probability · Physics 2021-12-23 Ayana Ghosh , Christopher T. Nelson , Mark Oxley , Xiaohang Zhang , Maxim Ziatdinov , Ichiro Takeuchi , Sergei V. Kalinin

Classification of polarimetric synthetic aperture radar (PolSAR) images is an active research area with a major role in environmental applications. The traditional Machine Learning (ML) methods proposed in this domain generally focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Mete Ahishali , Serkan Kiranyaz , Turker Ince , Moncef Gabbouj

We show that it is possible to measure polarization with a polarimeter that gets rid of the seeing while still measuring at a frequency well below that of the seeing. We study a standard polarimeter made of two retarders and a beamsplitter.…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 A. Asensio Ramos

The sensing and manipulation of transparent objects present a critical challenge in industrial and laboratory robotics. Conventional sensors face challenges in obtaining the full depth of transparent objects due to the refraction and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Xianghui Fan , Chao Ye , Anping Deng , Xiaotian Wu , Mengyang Pan , Hang Yang