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Anatomical segmentation of organs in ultrasound images is essential to many clinical applications, particularly for diagnosis and monitoring. Existing deep neural networks require a large amount of labeled data for training in order to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Vanessa Gonzalez Duque , Nassir Navab

Audio-Visual Segmentation (AVS) aims to produce pixel-level masks of sound producing objects in videos, by jointly learning from audio and visual signals. However, real-world environments are inherently dynamic, causing audio and visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Siddeshwar Raghavan , Gautham Vinod , Bruce Coburn , Fengqing Zhu

In this paper, we propose two techniques, namely joint modeling and data augmentation, to improve system performances for audio-visual scene classification (AVSC). We employ pre-trained networks trained only on image data sets to extract…

The emergence of audio language models is empowered by neural audio codecs, which establish critical mappings between continuous waveforms and discrete tokens compatible with language model paradigms. The evolutionary trends from…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-28 Yidi Jiang , Qian Chen , Shengpeng Ji , Yu Xi , Wen Wang , Chong Zhang , Xianghu Yue , ShiLiang Zhang , Haizhou Li

Conditional sound separation in multi-source audio mixtures without having access to single source sound data during training is a long standing challenge. Existing mix-and-separate based methods suffer from significant performance drop…

Sound · Computer Science 2024-04-03 Tanvir Mahmud , Saeed Amizadeh , Kazuhito Koishida , Diana Marculescu

Deep Convolutional Neural Networks (DCNN) has shown excellent performance in a variety of machine learning tasks. This manuscript presents Deep Convolutional Neural Fields (DeepCNF), a combination of DCNN with Conditional Random Field…

Machine Learning · Statistics 2015-11-23 Sheng Wang , Siqi Sun , Jinbo Xu

Many real-life optimization problems frequently contain one or more constraints or objectives for which there are no explicit formulas. If data is however available, these data can be used to learn the constraints. The benefits of this…

Machine Learning · Computer Science 2022-09-23 Adejuyigbe Fajemisin , Donato Maragno , Dick den Hertog

Unsupervised image clustering methods often introduce alternative objectives to indirectly train the model and are subject to faulty predictions and overconfident results. To overcome these challenges, the current research proposes an…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sungwon Park , Sungwon Han , Sundong Kim , Danu Kim , Sungkyu Park , Seunghoon Hong , Meeyoung Cha

Incremental learning aims to learn new tasks sequentially without forgetting the previously learned ones. Most of the existing incremental learning methods for audio focus on training the model from scratch on the initial task, and the same…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-29 Manjunath Mulimani , Annamaria Mesaros

Audio-visual segmentation (AVS) is a challenging task that involves accurately segmenting sounding objects based on audio-visual cues. The effectiveness of audio-visual learning critically depends on achieving accurate cross-modal alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Yuanhong Chen , Yuyuan Liu , Hu Wang , Fengbei Liu , Chong Wang , Helen Frazer , Gustavo Carneiro

Deep learning models trained on medical images from a source domain (e.g. imaging modality) often fail when deployed on images from a different target domain, despite imaging common anatomical structures. Deep unsupervised domain adaptation…

Image and Video Processing · Electrical Eng. & Systems 2019-08-14 Cheng Ouyang , Konstantinos Kamnitsas , Carlo Biffi , Jinming Duan , Daniel Rueckert

We tackle the problem of learning linear classifiers from noisy datasets in a multiclass setting. The two-class version of this problem was studied a few years ago where the proposed approaches to combat the noise revolve around a…

Machine Learning · Computer Science 2015-06-25 Ugo Louche , Liva Ralaivola

The performance of many machine learning techniques depends on the choice of an appropriate similarity or distance measure on the input space. Similarity learning (or metric learning) aims at building such a measure from training data so…

Machine Learning · Statistics 2019-01-25 Robin Vogel , Aurélien Bellet , Stéphan Clémençon

The area under the ROC curve (AUC) is the standard measure of a biomarker's discriminatory accuracy; however, naive AUC estimates can be misleading when validation cohorts differ from the intended target population. Such covariate shifts…

Methodology · Statistics 2025-11-20 Jiajun Liu , Guangcai Mao , Xiaofei Wang

Audio classification can distinguish different kinds of sounds, which is helpful for intelligent applications in daily life. However, it remains a challenging task since the sound events in an audio clip is probably multiple, even…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-22 Jiaxu Chen , Jing Hao , Kai Chen , Di Xie , Shicai Yang , Shiliang Pu

In clinical practice, medical segmentation datasets are often limited and heterogeneous, with variations in modalities, protocols, and anatomical targets across institutions. Existing deep learning models struggle to jointly learn from such…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Weiwei Ma , Xiaobing Yu , Peijie Qiu , Jin Yang , Pan Xiao , Xiaoqi Zhao , Xiaofeng Liu , Tomo Miyazaki , Shinichiro Omachi , Yongsong Huang

Acoustics-to-word models are end-to-end speech recognizers that use words as targets without relying on pronunciation dictionaries or graphemes. These models are notoriously difficult to train due to the lack of linguistic knowledge. It is…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-14 Hao Tang , James Glass

Data augmentation has proven to be effective in training neural networks. Recently, a method called RandAug was proposed, randomly selecting data augmentation techniques from a predefined search space. RandAug has demonstrated significant…

Recent efforts have been made on acoustic scene classification in the audio signal processing community. In contrast, few studies have been conducted on acoustic scene clustering, which is a newly emerging problem. Acoustic scene clustering…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-12 Yanxiong Li , Mingle Liu , Wucheng Wang , Yuhan Zhang , Qianhua He

Dual-encoder retrievers depend on the principle that relevant documents should score higher than irrelevant ones for a given query. Yet the dominant Noise Contrastive Estimation (NCE) objective, which underpins Contrastive Loss, optimizes a…

Information Retrieval · Computer Science 2025-10-02 Nima Sheikholeslami , Erfan Hosseini , Patrice Bechard , Srivatsava Daruru , Sai Rajeswar