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We investigate numerically the dynamics of large networks of $N$ globally pulse-coupled integrate and fire neurons in a noise-induced synchronized state. The powerspectrum of an individual element within the network is shown to exhibit in…

chao-dyn · 物理学 2009-10-28 Wouter-Jan Rappel , Alain Karma

The visual understanding are often approached from 3 granular levels: image, patch and pixel. Visual Tokenization, trained by self-supervised reconstructive learning, compresses visual data by codebook in patch-level with marginal…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Jianyu Zhang , Li Zhang , Shijian Li

In this study, we propose a modulation decoupling based single channel speech enhancement subspace framework, in which the spectrogram of noisy speech is decoupled as the product of a spectral envelop subspace and a spectral details…

声音 · 计算机科学 2017-02-24 Pengfei Sun , Jun Qin

In this paper, we present and study a new image segmentation task, called Generalized Open-set Semantic Segmentation (GOSS). Previously, with the well-known open-set semantic segmentation (OSS), the intelligent agent only detects the…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Jie Hong , Weihao Li , Junlin Han , Jiyang Zheng , Pengfei Fang , Mehrtash Harandi , Lars Petersson

We investigate the sparse functional identification of complex cells and the decoding of visual stimuli encoded by an ensemble of complex cells. The reconstruction algorithm of both temporal and spatio-temporal stimuli is formulated as a…

神经元与认知 · 定量生物学 2017-06-20 Aurel A. Lazar , Nikul H. Ukani , Yiyin Zhou

Unsupervised semantic segmentation aims to achieve high-quality semantic grouping without human-labeled annotations. With the advent of self-supervised pre-training, various frameworks utilize the pre-trained features to train prediction…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Junho Kim , Byung-Kwan Lee , Yong Man Ro

Semantic segmentation has been widely investigated in the community, in which the state of the art techniques are based on supervised models. Those models have reported unprecedented performance at the cost of requiring a large set of high…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Rihuan Ke , Angelica Aviles-Rivero , Saurabh Pandey , Saikumar Reddy , Carola-Bibiane Schönlieb

Weakly-supervised semantic segmentation (WSSS) is introduced to narrow the gap for semantic segmentation performance from pixel-level supervision to image-level supervision. Most advanced approaches are based on class activation maps (CAMs)…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Sanghyun Jo , In-Jae Yu

Understanding the core dimensions of conceptual semantics is fundamental to uncovering how meaning is organized in language and the brain. Existing approaches often rely on predefined semantic dimensions that offer only broad…

计算与语言 · 计算机科学 2025-09-22 Yunhao Zhang , Shaonan Wang , Nan Lin , Xinyi Dong , Chong Li , Chengqing Zong

Clustering using neural networks has recently demonstrated promising performance in machine learning and computer vision applications. However, the performance of current approaches is limited either by unsupervised learning or their…

机器学习 · 计算机科学 2018-07-11 Ankita Shukla , Gullal Singh Cheema , Saket Anand

Semantic segmentation requires a detailed labeling of image pixels by object category. Information derived from local image patches is necessary to describe the detailed shape of individual objects. However, this information is ambiguous…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Hexiang Hu , Zhiwei Deng , Guang-tong Zhou , Fei Sha , Greg Mori

Herein, we present a system for hyperspectral image segmentation that utilizes multiple class--based denoising autoencoders which are efficiently trained. Moreover, we present a novel hyperspectral data augmentation method for labelled HSI…

计算机视觉与模式识别 · 计算机科学 2018-07-30 John E. Ball , Pan Wei

In this paper, we propose a novel approach for the optimal identification of correlated segments in noisy correlation matrices. The proposed model is known as CoSeNet (Correlation Seg-mentation Network) and is based on a four-layer…

Optic disc and cup segmentation plays a crucial role in automating the screening and diagnosis of optic glaucoma. While data-driven convolutional neural networks (CNNs) show promise in this area, the inherent ambiguity of segmenting objects…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Tengjin Weng , Yang Shen , Zhidong Zhao , Zhiming Cheng , Shuai Wang

Semi-supervised semantic segmentation (SSS) is an important task that utilizes both labeled and unlabeled data to reduce expenses on labeling training examples. However, the effectiveness of SSS algorithms is limited by the difficulty of…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Zhibo Tain , Xiaolin Zhang , Peng Zhang , Kun Zhan

Automated deep neural network architecture design has received a significant amount of recent attention. However, this attention has not been equally shared by one of the fundamental building blocks of a deep neural network, the neurons. In…

神经与进化计算 · 计算机科学 2018-11-13 Andrew Hryniowski , Alexander Wong

Pixel-wise regression is probably the most common problem in fine-grained computer vision tasks, such as estimating keypoint heatmaps and segmentation masks. These regression problems are very challenging particularly because they require,…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Huajun Liu , Fuqiang Liu , Xinyi Fan , Dong Huang

We introduce squared neural Poisson point processes (SNEPPPs) by parameterising the intensity function by the squared norm of a two layer neural network. When the hidden layer is fixed and the second layer has a single neuron, our approach…

机器学习 · 计算机科学 2024-02-16 Russell Tsuchida , Cheng Soon Ong , Dino Sejdinovic

To handle emotional expressions in computer applications, Russell's circum- plex model has been useful for representing emotions according to valence and arousal. In SentiWordNet, the level of valence is automatically assigned to a large…

计算与语言 · 计算机科学 2022-04-12 Yuki Odaka , Ken Kaneiwa

Integrating hyperspectral imagery (HSI) with deep neural networks (DNNs) can strengthen the accuracy of intelligent vision systems by combining spectral and spatial information, which is useful for tasks like semantic segmentation in…

图像与视频处理 · 电气工程与系统科学 2025-02-21 Jon Gutiérrez-Zaballa , Koldo Basterretxea , Javier Echanobe