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The nonlinear Fourier transform has the potential to overcome limits on performance and achievable data rates which arise in modern optical fiber communication systems when nonlinear interference is treated as noise. The periodic nonlinear…

Signal Processing · Electrical Eng. & Systems 2020-12-24 Jan-Willem Goossens , Hartmut Hafermann , Yves Jaouën

Natural image quality is often degraded by adverse weather conditions, significantly impairing the performance of downstream tasks. Image restoration has emerged as a core solution to this challenge and has been widely discussed in the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Xingyu Jiang , Ning Gao , Hongkun Dou , Xiuhui Zhang , Xiaoqing Zhong , Yue Deng , Hongjue Li

We introduce PC2WF, the first end-to-end trainable deep network architecture to convert a 3D point cloud into a wireframe model. The network takes as input an unordered set of 3D points sampled from the surface of some object, and outputs a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Yujia Liu , Stefano D'Aronco , Konrad Schindler , Jan Dirk Wegner

Deep neural network (DNN) verification is an emerging field, with diverse verification engines quickly becoming available. Demonstrating the effectiveness of these engines on real-world DNNs is an important step towards their wider…

Logic in Computer Science · Computer Science 2020-08-11 Sumathi Gokulanathan , Alexander Feldsher , Adi Malca , Clark Barrett , Guy Katz

Conventional 3D convolutional neural networks (CNNs) are computationally expensive, memory intensive, prone to overfitting, and most importantly, there is a need to improve their feature learning capabilities. To address these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Sudhakar Kumawat , Manisha Verma , Yuta Nakashima , Shanmuganathan Raman

Convolution Neural Networks (CNN) have been extremely successful in solving intensive computer vision tasks. The convolutional filters used in CNNs have played a major role in this success, by extracting useful features from the inputs.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Pravendra Singh , Pratik Mazumder , Vinay P. Namboodiri

Deep neural networks (DNNs) play an important role in machine learning due to its outstanding performance compared to other alternatives. However, DNNs are not suitable for safety-critical applications since DNNs can be easily fooled by…

Machine Learning · Computer Science 2021-03-26 Zhixin Pan , Prabhat Mishra

This paper introduces FourNet, a novel single-layer feed-forward neural network (FFNN) method designed to approximate transition densities for which closed-form expressions of their Fourier transforms, i.e. characteristic functions, are…

Computational Finance · Quantitative Finance 2024-10-01 Rong Du , Duy-Minh Dang

Interpolation for scattered data is a classical problem in numerical analysis, with a long history of theoretical and practical contributions. Recent advances have utilized deep neural networks to construct interpolators, exhibiting…

Machine Learning · Computer Science 2023-03-15 Shizhe Ding , Boyang Xia , Milong Ren , Dongbo Bu

We detail a novel Fourier-based approach (IterativeFT) for identifying deterministic network structure in the presence of both edge pruning and Gaussian noise. This technique involves the iterative execution of forward and inverse 2D…

Signal Processing · Electrical Eng. & Systems 2026-02-03 H. Robert Frost

Deep Unfolding Network-based methods have emerged as effective solutions for multi-source image fusion by combining model-driven iterative optimization with data-driven deep learning. However, most existing deep unfolding image fusion…

Image and Video Processing · Electrical Eng. & Systems 2026-05-04 Ge Luo , Jun-Jie Huang , Qi Yu , Tianrui Liu , Ke Liang , Yuming Xiang , Wentao Zhao , Xinwang Liu , Meng Wang

Convolutional Neural Networks (CNNs) have achieved remarkable success across a wide range of machine learning tasks by leveraging hierarchical feature learning through deep architectures. However, the large number of layers and millions of…

Machine Learning · Statistics 2025-11-18 Biyi Fang , Truong Vo , Jean Utke , Diego Klabjan

In this work, we study the 1-bit convolutional neural networks (CNNs), of which both the weights and activations are binary. While being efficient, the classification accuracy of the current 1-bit CNNs is much worse compared to their…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Zechun Liu , Baoyuan Wu , Wenhan Luo , Xin Yang , Wei Liu , Kwang-Ting Cheng

Ternary Neural Networks (TNNs) have received much attention due to being potentially orders of magnitude faster in inference, as well as more power efficient, than full-precision counterparts. However, 2 bits are required to encode the…

Machine Learning · Computer Science 2021-07-30 Peng Chen , Bohan Zhuang , Chunhua Shen

Initializing with pre-trained models when learning on downstream tasks is becoming standard practice in machine learning. Several recent works explore the benefits of pre-trained initialization in a federated learning (FL) setting, where…

Machine Learning · Computer Science 2025-02-13 Divyansh Jhunjhunwala , Pranay Sharma , Zheng Xu , Gauri Joshi

Deep learning methods achieve great success in many areas due to their powerful feature extraction capabilities and end-to-end training mechanism, and recently they are also introduced for radio signal modulation classification. In this…

Signal Processing · Electrical Eng. & Systems 2021-10-29 Zhuangzhi Chen , Hui Cui , Jingyang Xiang , Kunfeng Qiu , Liang Huang , Shilian Zheng , Shichuan Chen , Qi Xuan , Xiaoniu Yang

Several image processing tasks, such as image classification and object detection, have been significantly improved using Convolutional Neural Networks (CNN). Like ResNet and EfficientNet, many architectures have achieved outstanding…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Claudio Filipi Gonçalves dos Santos , João Paulo Papa

We investigate two crucial and closely related aspects of CNNs for optical flow estimation: models and training. First, we design a compact but effective CNN model, called PWC-Net, according to simple and well-established principles:…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Deqing Sun , Xiaodong Yang , Ming-Yu Liu , Jan Kautz

This paper focuses on regularizing the training of the convolutional neural network (CNN). We propose a new regularization approach named ``PatchShuffle`` that can be adopted in any classification-oriented CNN models. It is easy to…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Guoliang Kang , Xuanyi Dong , Liang Zheng , Yi Yang

Transfer Learning enables Convolutional Neural Networks (CNN) to acquire knowledge from a source domain and transfer it to a target domain, where collecting large-scale annotated examples is time-consuming and expensive. Conventionally,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 S. H. Shabbeer Basha , Debapriya Tula , Sravan Kumar Vinakota , Shiv Ram Dubey
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