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Change detection in remote sensing imagery plays a vital role in various engineering applications, such as natural disaster monitoring, urban expansion tracking, and infrastructure management. Despite the remarkable progress of deep…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Xiaoyang Zhang , Guodong Fan , Guang-Yong Chen , Zhen Hua , Jinjiang Li , Min Gan , C. L. Philip Chen

Space-time video super-resolution (STVSR) is the task of interpolating videos with both Low Frame Rate (LFR) and Low Resolution (LR) to produce High-Frame-Rate (HFR) and also High-Resolution (HR) counterparts. The existing methods based on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Zhicheng Geng , Luming Liang , Tianyu Ding , Ilya Zharkov

With transformer-based models and the pretrain-finetune paradigm becoming mainstream, the high storage and deployment costs of individual finetuned models on multiple tasks pose critical challenges. Delta compression attempts to lower the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Chenyu Huang , Peng Ye , Xiaohui Wang , Shenghe Zheng , Biqing Qi , Lei Bai , Wanli Ouyang , Tao Chen

The distance transform (DT) and its many variations are ubiquitous tools for image processing and analysis. In many imaging scenarios, the images of interest are corrupted by noise. This has a strong negative impact on the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Johan Öfverstedt , Joakim Lindblad , Nataša Sladoje

We describe the performance of our latest generations of sensitive wide-band high-resolution digital Fast Fourier Transform Spectrometer (FFTS). Their design, optimized for a wide range of radio astronomical applications, is presented.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Bernd Klein , Stefan Hochgürtel , Ingo Krämer , Andreas Bell , Klaus Meyer , Rolf Güsten

Accurate detection of cancer tissue regions (CTR) enables deeper analysis of the tumor microenvironment and offers crucial insights into treatment response. Traditional CTR detection methods, which typically rely on the rich cellular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Shuailin Xue , Jun Wan , Lihua Zhang , Wenwen Min

Image downscaling is one of the key operations in recent display technology and visualization tools. By this process, the dimension of an image is reduced, aiming to preserve structural integrity and visual fidelity. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 G B Kevin Arjun , Suvrojit Mitra , Sanjay Ghosh

X-ray dark-field or ultra-small angle scatter imaging has become increasingly important since the introduction of phase-based x-ray imaging and is having transformative impact in fields such as in vivo lung imaging and explosives detection.…

Spectral super-resolution that aims to recover hyperspectral image (HSI) from easily obtainable RGB image has drawn increasing interest in the field of computational photography. The crucial aspect of spectral super-resolution lies in…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Hongyuan Wang , Lizhi Wang , Jiang Xu , Chang Chen , Xue Hu , Fenglong Song , Youliang Yan

In image and video coding applications, distortion has been traditionally measured using mean square error (MSE), which suggests the use of orthogonal transforms, such as the discrete cosine transform (DCT). Perceptual metrics such as…

Image and Video Processing · Electrical Eng. & Systems 2020-02-21 Keng-Shih Lu , Antonio Ortega , Debargha Mukherjee , Yue Chen

In this paper, we present ECSIC, a novel learned method for stereo image compression. Our proposed method compresses the left and right images in a joint manner by exploiting the mutual information between the images of the stereo image…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Matthias Wödlinger , Jan Kotera , Manuel Keglevic , Jan Xu , Robert Sablatnig

The Transformer architecture has revolutionized the field of deep learning over the past several years in diverse areas, including natural language processing, code generation, image recognition, time series forecasting, etc. We propose to…

Instrumentation and Methods for Astrophysics · Physics 2024-05-30 Hyosun Park , Yongsik Jo , Seokun Kang , Taehwan Kim , M. James Jee

As neural networks are increasingly being applied to real-world applications, mechanisms to address distributional shift and sequential task learning without forgetting are critical. Methods incorporating network expansion have shown…

Machine Learning · Computer Science 2021-03-26 Vinay Kumar Verma , Kevin J Liang , Nikhil Mehta , Piyush Rai , Lawrence Carin

Anisotropic X-ray Dark-Field Tomography (AXDT) is a novel imaging technology that enables the extraction of fiber structures on the micrometer scale, far smaller than standard X-ray Computed Tomography (CT) setups. Directional and…

Computational Engineering, Finance, and Science · Computer Science 2025-01-07 David Frank , Cederik Höfs , Tobias Lasser

Smartphone cameras face fundamental form-factor constraints that limit their optical magnification, primarily due to the difficulty of reducing a lens assembly's telephoto ratio, the ratio between total track length (TTL) and effective…

Image and Video Processing · Electrical Eng. & Systems 2026-05-27 Harshana Weligampola , Yuanrui Chen , Abhiram Gnanasambandam , Dilshan Godaliyadda , Hamid R. Sheikh , Stanley H. Chan , Qi Guo

Future radio surveys will generate catalogues of tens of millions of radio sources, for which redshift estimates will be essential to achieve many of the science goals. However, spectroscopic data will be available for only a small fraction…

Instrumentation and Methods for Astrophysics · Physics 2019-09-11 Ray P. Norris , M. Salvato , G. Longo , M. Brescia , T. Budavari , S. Carliles , S. Cavuoti , D. Farrah , J. Geach , K. Luken , A. Musaeva , K. Polsterer , G. Riccio , N. Seymour , V. Smolčić , M. Vaccari , P. Zinn

The leading approach for image compression with artificial neural networks (ANNs) is to learn a nonlinear transform and a fixed entropy model that are optimized for rate-distortion performance. We show that this approach can be…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 David Minnen , George Toderici , Saurabh Singh , Sung Jin Hwang , Michele Covell

Vision Transformers have demonstrated remarkable success in computer vision tasks, yet their reliance on learnable one-dimensional positional embeddings fundamentally disrupts the inherent two-dimensional spatial structure of images through…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Zhihang Xin , Xitong Hu , Rui Wang

In image fusion, images obtained from different sensors are fused to generate a single image with enhanced information. In recent years, state-of-the-art methods have adopted Convolution Neural Networks (CNNs) to encode meaningful features…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Vibashan VS , Jeya Maria Jose Valanarasu , Poojan Oza , Vishal M. Patel

The Hilbert-Huang transform (HHT) consists of empirical mode decomposition (EMD), which is a template-free method that represents the combination of different intrinsic modes on a time-frequency map (i.e., the Hilbert spectrum). The…

Instrumentation and Methods for Astrophysics · Physics 2025-06-05 Lupin Chun-Che Lin , Chin-Ping Hu , Chien-Chang Yen , Kuo-Chuan Pan , C. Y. Hui , Kwan-Lok Li , Yu-Chiung Lin , Yi-Sheng Huang , Albert K. H. Kong