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This paper proposes a Convolutional Neural Network (CNN) inspired by Multitask Learning (MTL) and based on speech features trained under the joint supervision of softmax loss and center loss, a powerful metric learning strategy, for the…

声音 · 计算机科学 2019-09-04 Suraj Tripathi , Abhiram Ramesh , Abhay Kumar , Chirag Singh , Promod Yenigalla

We propose split-brain autoencoders, a straightforward modification of the traditional autoencoder architecture, for unsupervised representation learning. The method adds a split to the network, resulting in two disjoint sub-networks. Each…

计算机视觉与模式识别 · 计算机科学 2017-04-21 Richard Zhang , Phillip Isola , Alexei A. Efros

This paper addresses the problem of multi-channel multi-speech separation based on deep learning techniques. In the short time Fourier transform domain, we propose an end-to-end narrow-band network that directly takes as input the…

声音 · 计算机科学 2022-04-13 Changsheng Quan , Xiaofei Li

Spiking neural networks (SNNs) are different from the classical networks used in deep learning: the neurons communicate using electrical impulses called spikes, just like biological neurons. SNNs are appealing for AI technology, because…

神经与进化计算 · 计算机科学 2022-01-10 Nandan Meda

We propose a novel framework for learning time-varying graphs from spatiotemporal measurements. Given an appropriate prior on the temporal behavior of signals, our proposed method can estimate time-varying graphs from a small number of…

信号处理 · 电气工程与系统科学 2025-09-10 Haruki Yokota , Koki Yamada , Yuichi Tanaka , Antonio Ortega

In the past, optimization-based registration models have used spatially-varying regularization to account for deformation variations in different image regions. However, deep learning-based registration models have mostly relied on…

图像与视频处理 · 电气工程与系统科学 2023-03-14 Junyu Chen , Yihao Liu , Yufan He , Yong Du

Speech emotion recognition is a challenging task for three main reasons: 1) human emotion is abstract, which means it is hard to distinguish; 2) in general, human emotion can only be detected in some specific moments during a long…

声音 · 计算机科学 2019-05-03 Yuanyuan Zhang , Jun Du , Zirui Wang , Jianshu Zhang

Achieving consistent sentiment representation across diverse modalities remains a key challenge in multimodal sentiment analysis. However, rapid emotional fluctuations over time often introduce instability, leading to compromised prediction…

机器学习 · 计算机科学 2026-02-03 Guoyang Xu , Zhenxi Song , Junqi Xue , Yuxin Liu , Zirui Wang , Zhiguo Zhang

Reliable motion estimation and strain analysis using 3D+time echocardiography (4DE) for localization and characterization of myocardial injury is valuable for early detection and targeted interventions. However, motion estimation is…

The successful training of deep neural networks requires addressing challenges such as overfitting, numerical instabilities leading to divergence, and increasing variance in the residual stream. A common solution is to apply regularization…

Swin-Transformer has demonstrated remarkable success in computer vision by leveraging its hierarchical feature representation based on Transformer. In speech signals, emotional information is distributed across different scales of speech…

计算与语言 · 计算机科学 2024-01-22 Yong Wang , Cheng Lu , Hailun Lian , Yan Zhao , Björn Schuller , Yuan Zong , Wenming Zheng

Parameter-space regularization in neural network optimization is a fundamental tool for improving generalization. However, standard parameter-space regularization methods make it challenging to encode explicit preferences about desired…

机器学习 · 统计学 2023-12-29 Tim G. J. Rudner , Sanyam Kapoor , Shikai Qiu , Andrew Gordon Wilson

Compressing self-supervised models has become increasingly necessary, as self-supervised models become larger. While previous approaches have primarily focused on compressing the model size, shortening sequences is also effective in…

计算与语言 · 计算机科学 2022-10-26 Yen Meng , Hsuan-Jui Chen , Jiatong Shi , Shinji Watanabe , Paola Garcia , Hung-yi Lee , Hao Tang

The recent surge in contrast-based graph self-supervised learning has prominently featured an intensified exploration of spectral cues. Spectral augmentation, which involves modifying a graph's spectral properties such as eigenvalues or…

机器学习 · 计算机科学 2024-12-05 Xiangru Jian , Xinjian Zhao , Wei Pang , Chaolong Ying , Yimu Wang , Yaoyao Xu , Tianshu Yu

One of the most significant challenges facing a few-shot learning task is the generalizability of the (meta-)model from the base to the novel categories. Most of existing few-shot learning models attempt to address this challenge by either…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Haohang Xu , Hongkai Xiong , Guojun Qi

Being spontaneous, micro-expressions are useful in the inference of a person's true emotions even if an attempt is made to conceal them. Due to their short duration and low intensity, the recognition of micro-expressions is a difficult task…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Liangfei Zhang , Xiaopeng Hong , Ognjen Arandjelovic , Guoying Zhao

In many learning tasks, the structure of the target space of a function holds rich information about the relationships between evaluations of functions on different data points. Existing approaches attempt to exploit this relationship…

计算机视觉与模式识别 · 计算机科学 2016-02-12 Kwang In Kim , James Tompkin , Hanspeter Pfister , Christian Theobalt

Recent years have witnessed the success of deep neural networks in dealing with a plenty of practical problems. Dropout has played an essential role in many successful deep neural networks, by inducing regularization in the model training.…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Guoliang Kang , Jun Li , Dacheng Tao

The state-of-the-art speech enhancement has limited performance in speech estimation accuracy. Recently, in deep learning, the Transformer shows the potential to exploit the long-range dependency in speech by self-attention. Therefore, it…

声音 · 计算机科学 2023-05-10 Yi Li , Yang Sun , Syed Mohsen Naqvi

Speech emotion recognition predicts a speaker's emotional state from speech signals using discrete labels or continuous dimensions such as arousal, valence, and dominance (VAD). We propose EmoSphere-SER, a joint model that integrates…

声音 · 计算机科学 2025-10-20 Deok-Hyeon Cho , Hyung-Seok Oh , Seung-Bin Kim , Seong-Whan Lee