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This article presents a new method to compute matrices from numerical simulations based on the ideas of sparse sampling and compressed sensing. The method is useful for problems where the determination of the entries of a matrix constitutes…

化学物理 · 物理学 2014-10-21 Jacob N. Sanders , Xavier Andrade , Alán Aspuru-Guzik

It is known that if odors are presented to an olfactory receptor neuron (ORN) in a sub-threshold concentration -- i.e., when the average value of the number of the ORN bound receptor proteins (RPs) is insufficient for the generation of…

生物物理 · 物理学 2023-06-16 Alexander Vidybida

Real-world processes often contain intermediate state that can be modeled as an extremely sparse activation tensor. In this work, we analyze the identifiability of such sparse and local latent intermediate variables, which we call motifs.…

机器学习 · 计算机科学 2026-03-04 Kavi Gupta , Osbert Bastani , Armando Solar-Lezama

Sparse coding algorithm is an learning algorithm mainly for unsupervised feature for finding succinct, a little above high - level Representation of inputs, and it has successfully given a way for Deep learning. Our objective is to use High…

机器学习 · 计算机科学 2014-04-08 R. Vidya , Dr. G. M. Nasira , R. P. Jaia Priyankka

Associative memories are data structures addressed using part of the content rather than an index. They offer good fault reliability and biological plausibility. Among different families of associative memories, sparse ones are known to…

神经与进化计算 · 计算机科学 2013-08-22 Ala Aboudib , Vincent Gripon , Xiaoran Jiang

Sparse neural networks are often hypothesized to be more interpretable than dense models, motivated by findings that weight sparsity can produce compact circuits in language models. However, it remains unclear whether structural sparsity…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Siyu Zhang

Advances in neural sensing technology are making it possible to observe the olfactory process in great detail. In this paper, we conceptualize smell from a Data Science and AI perspective, that relates the properties of odorants to how they…

神经元与认知 · 定量生物学 2024-04-09 Vivek Agarwal , Joshua Harvey , Dmitry Rinberg , Vasant Dhar

The sense of smell is an important part of living organisms. It assists with the interaction of the living organism with its environment. The mechanism by which smell is detected and identified is not fully known. Earlier, shape theory was…

生物物理 · 物理学 2019-11-07 Chukwuemeka Asogwa

Additive asynchronous and cyclostationary impulsive noise limits communication performance in OFDM powerline communication (PLC) systems. Conventional OFDM receivers assume additive white Gaussian noise and hence experience degradation in…

机器学习 · 统计学 2016-11-18 Jing Lin , Marcel Nassar , Brian L. Evans

While visual and auditory information conveyed by wavelength of light and frequency of sound have been decoded, predicting olfactory information encoded by the combination of odorants remains challenging due to the unknown and potentially…

机器学习 · 计算机科学 2023-05-23 Mengji Zhang , Yusuke Hiki , Akira Funahashi , Tetsuya J. Kobayashi

Efficient continual learning in humans is enabled by a rich set of neurophysiological mechanisms and interactions between multiple memory systems. The brain efficiently encodes information in non-overlapping sparse codes, which facilitates…

神经与进化计算 · 计算机科学 2023-01-13 Fahad Sarfraz , Elahe Arani , Bahram Zonooz

An extension to a recently introduced binary neural network is proposed in order to allow the learning of sparse messages, in large numbers and with high memory efficiency. This new network is justified both in biological and informational…

神经与进化计算 · 计算机科学 2012-08-21 Behrooz Kamary Aliabadi , Claude Berrou , Vincent Gripon , Xiaoran Jiang

Most artificial networks today rely on dense representations, whereas biological networks rely on sparse representations. In this paper we show how sparse representations can be more robust to noise and interference, as long as the…

机器学习 · 计算机科学 2019-04-03 Subutai Ahmad , Luiz Scheinkman

The olfactory system of male moths is exquisitely sensitive to pheromones emitted by females and transported in the environment by atmospheric turbulence. Moths respond to minute amounts of pheromones and their behavior is sensitive to the…

定量方法 · 定量生物学 2014-11-14 Antonio Celani , Emmanuel Villermaux , Massimo Vergassola

Neuromorphic computing is one of the few current approaches that have the potential to significantly reduce power consumption in Machine Learning and Artificial Intelligence. Imam & Cleland presented an odour-learning algorithm that runs on…

神经与进化计算 · 计算机科学 2023-09-22 Nik Dennler , André van Schaik , Michael Schmuker

We show how fitting sparse linear models over learned deep feature representations can lead to more debuggable neural networks. These networks remain highly accurate while also being more amenable to human interpretation, as we demonstrate…

机器学习 · 计算机科学 2021-05-12 Eric Wong , Shibani Santurkar , Aleksander Mądry

Convolutional sparse representations are a form of sparse representation with a structured, translation invariant dictionary. Most convolutional dictionary learning algorithms to date operate in batch mode, requiring simultaneous access to…

机器学习 · 计算机科学 2018-06-19 Jialin Liu , Cristina Garcia-Cardona , Brendt Wohlberg , Wotao Yin

The prediction of odor characters is still impossible based on the odorant molecular structure. We designed a CNN-based regressor for computed parameters in molecular vibrations (CNN\_vib), in order to investigate the ability to predict…

化学物理 · 物理学 2025-09-23 Yuki Harada , Shuichi Maeda , Junwei Shen , Taku Misonou , Hirokazu Hori , Shinichiro Nakamura

Sparse coding has been proposed as a theory of visual cortex and as an unsupervised algorithm for learning representations. We show empirically with the MNIST dataset that sparse codes can be very sensitive to image distortions, a behavior…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Kyle Luther , H. Sebastian Seung

We recently showed in [1] the superiority of certain structured coding matrices ensembles (such as partial row-orthogonal) for sparse superposition codes when compared with purely random matrices with i.i.d. entries, both…

信息论 · 计算机科学 2022-07-12 YuHao Liu , Teng Fu , Jean Barbier , TianQi Hou