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Extracting multi-scale information is key to semantic segmentation. However, the classic convolutional neural networks (CNNs) encounter difficulties in achieving multi-scale information extraction: expanding convolutional kernel incurs the…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Mo Zhang , Jie Zhao , Xiang Li , Li Zhang , Quanzheng Li

Dilated convolutions are widely used in deep semantic segmentation models as they can enlarge the filters' receptive field without adding additional weights nor sacrificing spatial resolution. However, as dilated convolutional filters do…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Yujiang Wang , Mingzhi Dong , Jie Shen , Yiming Lin , Maja Pantic

Acoustic scene classification (ASC) is highly important in the real world. Recently, deep learning-based methods have been widely employed for acoustic scene classification. However, these methods are currently not lightweight enough as…

声音 · 计算机科学 2024-05-07 ShuQi Ye , Yuan Tian

Deep convolutional semantic segmentation (DCSS) learning doesn't converge to an optimal local minimum with random parameters initializations; a pre-trained model on the same domain becomes necessary to achieve convergence.In this work, we…

机器学习 · 计算机科学 2017-10-24 Mrinal Haloi

Deep neural networks have faced many problems in hyperspectral image classification, including the ineffective utilization of spectral-spatial joint information and the problems of gradient vanishing and overfitting that arise with…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Guandong Li , Mengxia Ye

In this report, we presents low-complexity deep learning frameworks for acoustic scene classification (ASC). The proposed frameworks can be separated into four main steps: Front-end spectrogram extraction, online data augmentation, back-end…

声音 · 计算机科学 2022-06-14 Lam Pham , Dat Ngo , Anahid Jalali , Alexander Schindler

In the Text-to-speech(TTS) task, the latent diffusion model has excellent fidelity and generalization, but its expensive resource consumption and slow inference speed have always been a challenging. This paper proposes Discrete Diffusion…

声音 · 计算机科学 2023-09-14 Zhichao Wu , Qiulin Li , Sixing Liu , Qun Yang

Audio data are widely exchanged over telecommunications networks. Due to the limitations of network resources, these data are typically compressed before transmission. Various methods are available for compressing audio data. To access such…

多媒体 · 计算机科学 2025-02-12 Farzane Jafari

The seen birds twitter, the running cars accompany with noise, etc. These naturally audiovisual correspondences provide the possibilities to explore and understand the outside world. However, the mixed multiple objects and sounds make it…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Di Hu , Feiping Nie , Xuelong Li

This paper presents our latest investigation on Densely Connected Convolutional Networks (DenseNets) for acoustic modelling (AM) in automatic speech recognition. DenseN-ets are very deep, compact convolutional neural networks, which have…

计算与语言 · 计算机科学 2018-08-13 Chia Yu Li , Ngoc Thang Vu

Audio representation learning based on deep neural networks (DNNs) emerged as an alternative approach to hand-crafted features. For achieving high performance, DNNs often need a large amount of annotated data which can be difficult and…

机器学习 · 计算机科学 2020-07-09 Xavier Favory , Konstantinos Drossos , Tuomas Virtanen , Xavier Serra

Learning with noisy labels (LNL) has been extensively studied, with existing approaches typically following a framework that alternates between clean sample selection and semi-supervised learning (SSL). However, this approach has a…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Qing Miao , Xiaohe Wu , Chao Xu , Yanli Ji , Wangmeng Zuo , Yiwen Guo , Zhaopeng Meng

Contrastive Language-Image Pre-training (CLIP) has achieved success on multiple downstream tasks by aligning image and text modalities. However, the nature of global contrastive learning limits CLIP's ability to comprehend compositional…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Xiaoxing Hu , Kaicheng Yang , Jun Wang , Haoran Xu , Ziyong Feng , Yupei Wang

Traditional saliency models usually adopt hand-crafted image features and human-designed mechanisms to calculate local or global contrast. In this paper, we propose a novel computational saliency model, i.e., deep spatial contextual…

计算机视觉与模式识别 · 计算机科学 2016-10-07 Nian Liu , Junwei Han

This paper proposes a method for Acoustic Constrained Segmentation (ACS) in audio recordings of vehicles driven through a production test track, delimiting the boundaries of surface types in the track. ACS is a variant of classical acoustic…

In recent years, end-to-end learnt video codecs have demonstrated their potential to compete with conventional coding algorithms in term of compression efficiency. However, most learning-based video compression models are associated with…

图像与视频处理 · 电气工程与系统科学 2024-07-02 Tianhao Peng , Ge Gao , Heming Sun , Fan Zhang , David Bull

The Detection and Classification of Acoustic Scenes and Events (DCASE) 2019 challenge focuses on audio tagging, sound event detection and spatial localisation. DCASE 2019 consists of five tasks: 1) acoustic scene classification, 2) audio…

声音 · 计算机科学 2019-06-11 Qiuqiang Kong , Yin Cao , Turab Iqbal , Yong Xu , Wenwu Wang , Mark D. Plumbley

Dysarthric speech recognition often suffers from performance degradation due to the intrinsic diversity of dysarthric severity and extrinsic disparity from normal speech. To bridge these gaps, we propose a Dynamic Phoneme-level Contrastive…

计算与语言 · 计算机科学 2025-02-04 Wonjun Lee , Solee Im , Heejin Do , Yunsu Kim , Jungseul Ok , Gary Geunbae Lee

Image classification remains a fundamental yet challenging task in computer vision, particularly when fine-grained feature extraction and background noise suppression are required simultaneously. Conventional convolutional neural networks,…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Wentao Jiang , Yuanchan Xu , Heng Yuan

Dilated convolutions, also known as atrous convolutions, have been widely explored in deep convolutional neural networks (DCNNs) for various dense prediction tasks. However, dilated convolutions suffer from the gridding artifacts, which…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Zhengyang Wang , Shuiwang Ji