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A significantly low cost and tractable progressive learning approach is proposed and discussed for efficient spatiotemporal monitoring of a completely unknown, two dimensional correlated signal distribution in localized wireless sensor…

信号处理 · 电气工程与系统科学 2020-01-08 Hadi Alasti

Spiking Neural Networks (SNNs) are promising candidates for low-power edge computing in domains such as wearable sensing and time-series analysis. A key neuronal parameter, the leaky time constant (LTC), governs temporal integration of…

神经与进化计算 · 计算机科学 2025-08-29 Chiu-Chang Cheng , Kapil Bhardwaj , Ya-Ning Chang , Sayani Majumdar , Chao-Hung Wang

In studies of the visual system as well as in computer vision, the focus is often on contrast edges. However, the primate visual system contains a large number of cells that are insensitive to spatial contrast and, instead, respond to…

神经元与认知 · 定量生物学 2021-03-30 Michael Schmuker , Rüdiger Kupper , Ad Aertsen , Thomas Wachtler , Marc-Oliver Gewaltig

Deep convolutional neural networks (CNNs) are becoming increasingly popular models to predict neural responses in visual cortex. However, contextual effects, which are prevalent in neural processing and in perception, are not explicitly…

神经元与认知 · 定量生物学 2018-12-27 Luis Gonzalo Sanchez Giraldo , Odelia Schwartz

Spiking Neural Networks (SNNs), as one of the algorithmic models in neuromorphic computing, have gained a great deal of research attention owing to temporal information processing capability, low power consumption, and high biological…

神经与进化计算 · 计算机科学 2023-06-07 Chengting Yu , Zheming Gu , Da Li , Gaoang Wang , Aili Wang , Erping Li

In recent years, convolutional neural networks (CNNs) have achieved impressive performance for various visual recognition scenarios. CNNs trained on large labeled datasets can not only obtain significant performance on most challenging…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Xiangyang Li , Luis Herranz , Shuqiang Jiang

Deep learning-based segmentation methods are vulnerable to unforeseen data distribution shifts during deployment, e.g. change of image appearances or contrasts caused by different scanners, unexpected imaging artifacts etc. In this paper,…

计算机视觉与模式识别 · 计算机科学 2021-07-05 Chen Chen , Kerstin Hammernik , Cheng Ouyang , Chen Qin , Wenjia Bai , Daniel Rueckert

To thrive in dynamic environments, animals must be capable of rapidly and flexibly adapting behavioral responses to a changing context and internal state. Examples of behavioral flexibility include faster stimulus responses when attentive…

神经元与认知 · 定量生物学 2021-01-27 David Wyrick , Luca Mazzucato

Accurate upsampling of Head-Related Transfer Functions (HRTFs) from sparse measurements is crucial for personalized spatial audio rendering. Traditional interpolation methods, such as kernel-based weighting or basis function expansions,…

音频与语音处理 · 电气工程与系统科学 2026-02-13 Xingyu Chen , Hanwen Bi , Fei Ma , Sipei Zhao , Eva Cheng , Ian S. Burnett

In this paper, we introduce spatial attention for refining the information in multi-direction neural beamformer for far-field automatic speech recognition. Previous approaches of neural beamformers with multiple look directions, such as the…

音频与语音处理 · 电气工程与系统科学 2020-03-10 Weipeng He , Lu Lu , Biqiao Zhang , Jay Mahadeokar , Kaustubh Kalgaonkar , Christian Fuegen

Graph Convolutional Networks (GCNs) have been widely used to model the high-order dynamic dependencies for skeleton-based action recognition. Most existing approaches do not explicitly embed the high-order spatio-temporal importance to…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Lipeng Ke , Kuan-Chuan Peng , Siwei Lyu

Head-related transfer functions (HRTFs) are crucial for spatial soundfield reproduction in virtual reality applications. However, obtaining personalized, high-resolution HRTFs is a time-consuming and costly task. Recently, deep…

音频与语音处理 · 电气工程与系统科学 2023-09-18 Xingyu Chen , Fei Ma , Yile Zhang , Amy Bastine , Prasanga N. Samarasinghe

Spatio-Temporal (ST) data science, which includes sensing, managing, and mining large-scale data across space and time, is fundamental to understanding complex systems in domains such as urban computing, climate science, and intelligent…

数据库 · 计算机科学 2025-03-19 Yuxuan Liang , Haomin Wen , Yutong Xia , Ming Jin , Bin Yang , Flora Salim , Qingsong Wen , Shirui Pan , Gao Cong

The Blood-Oxygen-Level-Dependent (BOLD) signal of resting-state fMRI (rs-fMRI) records the temporal dynamics of intrinsic functional networks in the brain. However, existing deep learning methods applied to rs-fMRI either neglect the…

机器学习 · 计算机科学 2021-06-30 Soham Gadgil , Qingyu Zhao , Adolf Pfefferbaum , Edith V. Sullivan , Ehsan Adeli , Kilian M. Pohl

The impressive performance of Large Language Model (LLM) has prompted researchers to develop Multi-modal LLM (MLLM), which has shown great potential for various multi-modal tasks. However, current MLLM often struggles to effectively address…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yeyuan Wang , Dehong Gao , Bin Li , Rujiao Long , Lei Yi , Xiaoyan Cai , Libin Yang , Jinxia Zhang , Shanqing Yu , Qi Xuan

Existing fine-tuning methods either tune all parameters of the pre-trained model (full fine-tuning), which is not efficient, or only tune the last linear layer (linear probing), which suffers a significant accuracy drop compared to the full…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Dongze Lian , Daquan Zhou , Jiashi Feng , Xinchao Wang

Understanding temporal dynamics in medical imaging is crucial for applications such as disease progression modeling, treatment planning and anatomical development tracking. However, most deep learning methods either consider only single…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Nico Albert Disch , Yannick Kirchhoff , Robin Peretzke , Maximilian Rokuss , Saikat Roy , Constantin Ulrich , David Zimmerer , Klaus Maier-Hein

While critical for alignment, Supervised Fine-Tuning (SFT) incurs the risk of catastrophic forgetting, yet the layer-wise emergence of instruction-following capabilities remains elusive. We investigate this mechanism via a comprehensive…

机器学习 · 计算机科学 2026-04-15 Qinghua Zhao , Xueling Gong , Xinyu Chen , Zhongfeng Kang , Xinlu Li

Convolutional neural networks (CNNs) have been shown to be state-of-the-art models for visual cortical neurons. Cortical neurons in the primary visual cortex are sensitive to contextual information mediated by extensive horizontal and…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Isaac Lin , Tianye Wang , Shang Gao , Shiming Tang , Tai Sing Lee

Spatio-temporal pattern recognition is a fundamental ability of the brain which is required for numerous real-world activities. Recent deep learning approaches have reached outstanding accuracies in such tasks, but their implementation on…