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Pattern formation of sound is predicted in a driven resonator where subharmonic generation takes place. A model allowing for diffraction of the fields (large-aspect ratio limit) is derived by means of the multiple scale expansions…

斑图形成与孤子 · 物理学 2009-11-11 Isabel Perez-Arjona , Victor J. Sanchez-Morcillo

The ecological invasion problem in which a weaker exotic species invades an ecosystem inhabited by two strongly competing native species is modelled by a three-species competition-diffusion system. It is known that for a certain range of…

种群与进化 · 定量生物学 2018-11-01 Lorenzo Contento , Masayasu Mimura

Unsupervised anomaly detection in medical imaging aims to detect and localize arbitrary anomalies without requiring annotated anomalous data during training. Often, this is achieved by learning a data distribution of normal samples and…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Carsten T. Lüth , David Zimmerer , Gregor Koehler , Paul F. Jaeger , Fabian Isensee , Jens Petersen , Klaus H. Maier-Hein

This paper focuses on molecular communication (MC) systems using two types of signaling molecules which may participate in a reversible bimolecular reaction in the channel. The motivation for studying these MC systems is that they can…

信息论 · 计算机科学 2019-07-25 Vahid Jamali , Nariman Farsad , Robert Schober , Andrea Goldsmith

We propose a unified signal compression framework that uses a generative adversarial network (GAN) to compress heterogeneous signals. The compressed signal is represented as a latent vector and fed into a generator network that is trained…

信号处理 · 电气工程与系统科学 2021-09-24 Bowen Liu , Changwoo Lee , Ang Cao , Hun-Seok Kim

This paper proposes a novel distributed interval observer design for linear time-invariant (LTI) discrete-time systems subject to bounded disturbances. In the proposed observer algorithm, each agent in a networked group exchanges…

系统与控制 · 电气工程与系统科学 2022-09-07 Mohammad Khajenejad , Scott Brown , Sonia Martinez

For many wireless communication applications, traffic pattern modeling of radio signals combined with channel effects is much needed. While analytical models are used to capture these phenomena, real world non-linear effects (e.g. device…

信号处理 · 电气工程与系统科学 2022-06-30 Haythem Chaker , Soumaya Hamouda , Nicola Michailow

In this paper, we propose a multi-generator extension to the adversarial training framework, in which the objective of each generator is to represent a unique component of a target mixture distribution. In the training phase, the generators…

机器学习 · 计算机科学 2018-02-07 Karim Said Barsim , Lirong Yang , Bin Yang

Lateral inhibition patterns mediated by the Notch-Delta signaling system occur in diverse developmental contexts. These systems are based on an intercellular feedback loop in which Notch activation leads to down-regulation of Delta.…

分子网络 · 定量生物学 2010-05-25 Amit Lakhanpal , David Sprinzak , Michael B. Elowitz

Generative adversarial networks (GANs) learn a deep generative model that is able to synthesise novel, high-dimensional data samples. New data samples are synthesised by passing latent samples, drawn from a chosen prior distribution,…

计算机视觉与模式识别 · 计算机科学 2018-02-16 Antonia Creswell , Anil A Bharath

The proper functioning of multicellular organisms requires the robust establishment of precise proportions between distinct cell-types. This developmental differentiation process typically involves intracellular regulatory and stochastic…

细胞行为 · 定量生物学 2016-06-22 Benjamin Pfeuty , Kunihiko Kaneko

Training generative adversarial networks is unstable in high-dimensions as the true data distribution tends to be concentrated in a small fraction of the ambient space. The discriminator is then quickly able to classify nearly all generated…

机器学习 · 计算机科学 2018-06-26 Behnam Neyshabur , Srinadh Bhojanapalli , Ayan Chakrabarti

We propose a novel approach to conformal prediction for generative language models (LMs). Standard conformal prediction produces prediction sets -- in place of single predictions -- that have rigorous, statistical performance guarantees. LM…

计算与语言 · 计算机科学 2024-06-04 Victor Quach , Adam Fisch , Tal Schuster , Adam Yala , Jae Ho Sohn , Tommi S. Jaakkola , Regina Barzilay

Generative adversarial network (GAN) still exists some problems in dealing with speech enhancement (SE) task. Some GAN-based systems adopt the same structure from Pixel-to-Pixel directly without special optimization. The importance of the…

音频与语音处理 · 电气工程与系统科学 2021-03-09 Huixiang Huang , Renjie Wu , Jingbiao Huang , Jucai Lin , Jun Yin

Generative adversarial networks (GANs), a class of distribution-learning methods based on a two-player game between a generator and a discriminator, can generally be formulated as a minmax problem based on the variational representation of…

机器学习 · 计算机科学 2022-06-20 Jeremiah Birrell , Markos A. Katsoulakis , Luc Rey-Bellet , Wei Zhu

The Predictive Associative Memory (PAM) framework posits that useful relationships often connect items that co-occur in shared contexts rather than items that appear similar in embedding space. A contrastive MLP trained on co-occurrence…

机器学习 · 计算机科学 2026-03-24 Jason Dury

Complex patterns generated by the time evolution of a one-dimensional digitalized coupled map lattice are quantitatively analyzed. A method for discerning complexity among the different patterns is implemented. The quantitative results…

斑图形成与孤子 · 物理学 2009-11-10 Juan Sanchez , Ricardo Lopez-Ruiz

We introduce a new method for diverse foreground generation with explicit control over various factors. Existing image inpainting based foreground generation methods often struggle to generate diverse results and rarely allow users to…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Yuheng Li , Yijun Li , Jingwan Lu , Eli Shechtman , Yong Jae Lee , Krishna Kumar Singh

This paper is concerned with the problem of distributed Kalman filtering in a network of interconnected subsystems with distributed control protocols. We consider networks, which can be either homogeneous or heterogeneous, of linear…

系统与控制 · 计算机科学 2017-11-22 Damian Marelli , Mohsen Zamani , Minyue Fu

We develop a novel method for training of GANs for unsupervised and class conditional generation of images, called Linear Discriminant GAN (LD-GAN). The discriminator of an LD-GAN is trained to maximize the linear separability between…

机器学习 · 统计学 2017-07-26 Zhun Sun , Mete Ozay , Takayuki Okatani