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Related papers: Anticipation and Negative Group Delay in a Retina

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This paper introduces an algorithm for discovering implicit and delayed causal relations between events observed by a robot at arbitrary times, with the objective of improving data-efficiency and interpretability of model-based…

Machine Learning · Computer Science 2020-08-05 Junchi Liang , Abdeslam Boularias

Recurrent Neural Networks (RNNs) are widely recognized for their proficiency in modeling temporal dependencies, making them highly prevalent in sequential data processing applications. Nevertheless, vanilla RNNs are confronted with the…

Neural and Evolutionary Computing · Computer Science 2024-11-12 Pengfei Sun , Jibin Wu , Malu Zhang , Paul Devos , Dick Botteldooren

The use of Convolutional Neural Networks (CNN) to estimate the galaxy photometric redshift probability distribution by analysing the images in different wavelength bands has been developed in the recent years thanks to the rapid development…

Instrumentation and Methods for Astrophysics · Physics 2020-02-25 Jean-Eric Campagne

With high forward gain, a negative feedback system has the ability to perform the inverse of a linear or non-linear function that is in the feedback path. This property of negative feedback systems has been widely used in analog electronic…

Machine Learning · Computer Science 2024-12-24 Md Munir Hasan , Jeremy Holleman

The action anticipation task refers to predicting what action will happen based on observed videos, which requires the model to have a strong ability to summarize the present and then reason about the future. Experience and common sense…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Xin Liu , Chao Hao , Zitong Yu , Huanjing Yue , Jingyu Yang

Time series forecasting has received a lot of attention, with recurrent neural networks (RNNs) being one of the widely used models due to their ability to handle sequential data. Previous studies on RNN time series forecasting, however,…

Machine Learning · Computer Science 2024-04-29 Christopher Salazar , Ashis G. Banerjee

We introduce Neural Dynamical Systems (NDS), a method of learning dynamical models in various gray-box settings which incorporates prior knowledge in the form of systems of ordinary differential equations. NDS uses neural networks to…

We study the problem of multimodal generative modelling of images based on generative adversarial networks (GANs). Despite the success of existing methods, they often ignore the underlying structure of vision data or its multimodal…

Machine Learning · Computer Science 2019-11-07 Lili Pan , Shen Cheng , Jian Liu , Yazhou Ren , Zenglin Xu

We consider the effects of temporal delay in a neural feedback system with excitation and inhibition. The topology of our model system reflects the anatomy of the avian isthmic circuitry, a feedback structure found in all classes of…

Biological Physics · Physics 2007-09-18 Sebastian F. Brandt , Ralf Wessel

A practical deep neural network's (DNN) evaluation involves thousands of multiply-and-accumulate (MAC) operations. To extend DNN's superior inference capabilities to energy constrained devices, architectures and circuits that minimize…

Emerging Technologies · Computer Science 2020-08-04 Aditya Shukla

Perceptual decision making is the subject of many experimental and theoretical studies. Whereas most modeling analysis are based on statistical processes of accumulation of evidence, less attention is being devoted to the modeling with…

Biological Physics · Physics 2018-11-22 Kevin Berlemont , Jean-Pierre Nadal

Granger causality is a fundamental technique for causal inference in time series data, commonly used in the social and biological sciences. Typical operationalizations of Granger causality make a strong assumption that every time point of…

Machine Learning · Computer Science 2020-11-23 Chainarong Amornbunchornvej , Elena Zheleva , Tanya Y. Berger-Wolf

We study gravitational lens time delays for a general family of lensing potentials, which includes the popular singular isothermal elliptical potential and singular isothermal elliptical density distribution but allows general angular…

Astrophysics · Physics 2016-08-30 H. J. Witt , S. Mao , C. R. Keeton

Dynamical systems with complex delayed interactions arise commonly when propagation times are significant, yielding complicated oscillatory instabilities. In this Letter, we introduce a class of systems with multiple, hierarchically long…

Pattern Formation and Solitons · Physics 2015-06-19 Serhiy Yanchuk , Giovanni Giacomelli

Age-Related Macular Degeneration (AMD) is an asymptomatic retinal disease which may result in loss of vision. There is limited access to high-quality relevant retinal images and poor understanding of the features defining sub-classes of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Yi-Chieh Liu , Hao-Hsiang Yang , Chao-Han Huck Yang , Jia-Hong Huang , Meng Tian , Hiromasa Morikawa , Yi-Chang James Tsai , Jesper Tegner

Predictive process monitoring aims to predict future characteristics of an ongoing process case, such as case outcome or remaining timestamp. Recently, several predictive process monitoring methods based on deep learning such as Long…

Machine Learning · Computer Science 2020-04-02 Farbod Taymouri , Marcello La Rosa , Sarah Erfani , Zahra Dasht Bozorgi , Ilya Verenich

Group delay for a reflected light pulse from a weakly absorbing dielectric slab is theoretically investigated, and large negative group delay is found for weak absorption near a resonance of the slab ($Re(kd)=m\pi$). The group delays for…

Optics · Physics 2009-11-11 Li-Gang Wang , Shi-Yao Zhu

Novel vision sensors such as thermal, hyperspectral, polarization, and event cameras provide information that is not available from conventional intensity cameras. An obstacle to using these sensors with current powerful deep neural…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Yuhuang Hu , Tobi Delbruck , Shih-Chii Liu

In this work we study the antinucleon-nucleus optical potential in the framework of the non-linear derivative (NLD) model with momentum dependent mean-fields. We apply the NLD model to interaction of antinucleons ($\bar{\text{N}}$) in…

Nuclear Theory · Physics 2015-04-22 T. Gaitanos , M. Kaskulov

Orthogonal Gradient Descent (OGD) has emerged as a powerful method for continual learning. However, its Euclidean projections do not leverage the underlying information-geometric structure of the problem, which can lead to suboptimal…

Machine Learning · Computer Science 2025-12-09 Yajat Yadav , Patrick Mendoza , Jathin Korrapati