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Spectral computed tomography (CT) is an emerging technology capable of providing high chemical specificity, which is crucial for many applications such as detecting threats in luggage. This type of application requires both fast and…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Wail Mustafa , Christian Kehl , Ulrik Lund Olsen , Søren Kimmer Schou Gregersen , David Malmgren-Hansen , Jan Kehres , Anders Bjorholm Dahl

Spectral CT is an emerging modality that uses a data acquisition scheme with varied spectral responses to provide enhanced material discrimination in addition to the structural information of conventional CT. Existing clinical and…

In this paper, we propose a new convolutional layer called Depthwise-STFT Separable layer that can serve as an alternative to the standard depthwise separable convolutional layer. The construction of the proposed layer is inspired by the…

计算机视觉与模式识别 · 计算机科学 2020-01-29 Sudhakar Kumawat , Shanmuganathan Raman

Convolutional neural networks (CNNs) learn filters in order to capture local correlation patterns in feature space. We propose to learn these filters as combinations of preset spectral filters defined by the Discrete Cosine Transform (DCT).…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Matej Ulicny , Vladimir A. Krylov , Rozenn Dahyot

Bayesian inference, while foundational to probabilistic reasoning, is often hampered by the computational intractability of posterior distributions, particularly through the challenging evidence integral. Conventional approaches like Markov…

机器学习 · 计算机科学 2025-11-11 Di Zhang

This paper develops the angular and static-channel component of Geometric and Spectral Alignment for residual Jacobian chains. Starting from Cartan-coordinate rigidity and fitted effective-rank windows, we study how dominant singular…

机器学习 · 计算机科学 2026-05-05 Ziran Liu , Wei Wang , Jinhao Wang , Pengcheng Wang , Xinyi Sui , Cihan Ruan , Nam Ling , Wei Jiang

Application of circularly polarized beams in interferometric illumination of colloid sphere monolayers enables the direct fabrication of rectangular patterns consisting of circular nanohole miniarrays in metal films. The spectral and…

光学 · 物理学 2020-05-18 Emese Toth , Aron Sipos , Oliver A. Fekete , Maria Csete

We propose a novel compact and efficient neural BRDF offering highly versatile material representation, yet with very-light memory and neural computation consumption towards achieving real-time rendering. The results in Figure 1, rendered…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Yishun Dou , Zhong Zheng , Qiaoqiao Jin , Bingbing Ni , Yugang Chen , Junxiang Ke

This paper presents a method for computing local mean, variance, standard deviation, and effective sample count on incomplete gridded data using boundary-aware spectral operators. The framework combines normalized convolution with explicit…

大气与海洋物理 · 物理学 2026-04-27 Jairo M. Valdivia-Prado , William E. Chapman , Katja Friedrich

Spectral image reconstruction is an important task in snapshot compressed imaging. This paper aims to propose a new end-to-end framework with iterative capabilities similar to a deep unfolding network to improve reconstruction accuracy,…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Zeyu Cai , Jian Yu , Ziyu Zhang , Chengqian Jin , Feipeng Da

In recent years, correlation filter based trackers (CF trackers) have attracted much attention from the vision community because of their top performance in both localization accuracy and efficiency. The society of visual tracking, however,…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Ming Tang , Linyu Zheng , Bin Yu , Jinqiao Wang

We demonstrate that simple feed-forward neural networks (NNs) can accurately compute correlation functions of conformal field theories (CFTs) on a line. Strikingly, by optimising a NN solely on crossing symmetry and providing only the…

高能物理 - 理论 · 物理学 2026-04-22 Kausik Ghosh , Sidhaarth Kumar , Vasilis Niarchos , Andreas Stergiou

Spectral analysis is a powerful tool, decomposing any function into simpler parts. In machine learning, Mercer's theorem generalizes this idea, providing for any kernel and input distribution a natural basis of functions of increasing…

机器学习 · 计算机科学 2022-01-11 Yatin Dandi , Arthur Jacot

In this thesis, we propose a light-weight sparsity-based algorithm, basic thresholding classifier (BTC), for classification applications (such as face identification, hyper-spectral image classification, etc.) which is capable of…

计算机视觉与模式识别 · 计算机科学 2017-12-11 Mehmet Altan Toksöz

Characteristics such as low contrast and significant organ shape variations are often exhibited in medical images. The improvement of segmentation performance in medical imaging is limited by the generally insufficient adaptive capabilities…

图像与视频处理 · 电气工程与系统科学 2023-06-09 Hejun Huang , Zuguo Chen , Ying Zou , Ming Lu , Chaoyang Chen

Existing Binary Neural Networks (BNNs) mainly operate on local convolutions with binarization function. However, such simple bit operations lack the ability of modeling contextual dependencies, which is critical for learning discriminative…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Xingrun Xing , Yangguang Li , Wei Li , Wenrui Ding , Yalong Jiang , Yufeng Wang , Jing Shao , Chunlei Liu , Xianglong Liu

Lipschitz bounded neural networks are certifiably robust and have a good trade-off between clean and certified accuracy. Existing Lipschitz bounding methods train from scratch and are limited to moderately sized networks (< 6M parameters).…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Kavya Gupta , Sagar Verma

Binary code similarity detection (BCSD) has various applications, including but not limited to vulnerability detection, plagiarism detection, and malware detection. Previous research efforts mainly focus on transforming binary code to…

密码学与安全 · 计算机科学 2023-06-27 Chensen Huang , Guibo Zhu , Guojing Ge , Taihao Li , Jinqiao Wang

Medical image segmentation is a fundamental task for medical image analysis and surgical planning. In recent years, UNet-based networks have prevailed in the field of medical image segmentation. However, convolution-neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Xin You , Junjun He , Jie Yang , Yun Gu

This paper introduces versatile filters to construct efficient convolutional neural networks that are widely used in various visual recognition tasks. Considering the demands of efficient deep learning techniques running on cost-effective…

计算机视觉与模式识别 · 计算机科学 2021-09-23 Kai Han , Yunhe Wang , Chang Xu , Chunjing Xu , Enhua Wu , Dacheng Tao