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High-dimensional dense embeddings have become central to modern Information Retrieval, but many dimensions are noisy or redundant. Recently proposed DIME (Dimension IMportance Estimation), provides query-dependent scores to identify…

Information Retrieval · Computer Science 2026-04-13 Giulio D'Erasmo , Cesare Campagnano , Antonio Mallia , Pierpaolo Brutti , Nicola Tonellotto , Fabrizio Silvestri

A fundamental challenge in artificial intelligence is learning useful representations of data that yield good performance on a downstream task, without overfitting to spurious input features. Extracting such task-relevant predictive…

Machine Learning · Computer Science 2021-06-15 Saeid Asgari Taghanaki , Kristy Choi , Amir Khasahmadi , Anirudh Goyal

Deep learning based physical layer design, i.e., using dense neural networks as encoders and decoders, has received considerable interest recently. However, while such an approach is naturally training data-driven, actions of the wireless…

Information Theory · Computer Science 2020-06-30 Rick Fritschek , Rafael F. Schaefer , Gerhard Wunder

Learning discrete representations of data is a central machine learning task because of the compactness of the representations and ease of interpretation. The task includes clustering and hash learning as special cases. Deep neural networks…

Machine Learning · Statistics 2017-06-15 Weihua Hu , Takeru Miyato , Seiya Tokui , Eiichi Matsumoto , Masashi Sugiyama

Multimodal data has significantly advanced recommendation systems by integrating diverse information sources to model user preferences and item characteristics. However, these systems often struggle with redundant and irrelevant…

Information Retrieval · Computer Science 2025-09-25 Hui Wang , Jinghui Qin , Wushao Wen , Qingling Li , Shanshan Zhong , Zhongzhan Huang

Time series data are valuable but are often inscrutable. Gaining trust in time series classifiers for finance, healthcare, and other critical applications may rely on creating interpretable models. Researchers have previously been forced to…

Machine Learning · Computer Science 2021-11-09 Yuhui Wang , Diane J. Cook

Knowledge distillation from pretrained visual representation models offers an effective approach to improve small, task-specific production models. However, the effectiveness of such knowledge transfer drops significantly when distilling…

Machine Learning · Computer Science 2025-07-01 Chengyu Dong , Huan Gui , Noveen Sachdeva , Long Jin , Ke Yin , Jingbo Shang , Lichan Hong , Ed H. Chi , Zhe Zhao

Multi-modal learning is a fast growing area in artificial intelligence. It tries to help machines understand complex things by combining information from different sources, like images, text, and audio. By using the strengths of each…

Machine Learning · Computer Science 2025-12-22 Qihang Jin , Enze Ge , Yuhang Xie , Hongying Luo , Junhao Song , Ziqian Bi , Chia Xin Liang , Jibin Guan , Joe Yeong , Xinyuan Song , Junfeng Hao

We propose learning discrete structured representations from unlabeled data by maximizing the mutual information between a structured latent variable and a target variable. Calculating mutual information is intractable in this setting. Our…

Machine Learning · Computer Science 2020-07-17 Karl Stratos , Sam Wiseman

In this paper, we present a weakly-supervised RGB-D salient object detection model via scribble supervision. Specifically, as a multimodal learning task, we focus on effective multimodal representation learning via inter-modal mutual…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Aixuan Li , Yuxin Mao , Jing Zhang , Yuchao Dai

Existing studies on self-supervised speech representation learning have focused on developing new training methods and applying pre-trained models for different applications. However, the quality of these models is often measured by the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-18 Alexander H. Liu , Sung-Lin Yeh , James Glass

Mutual Reinforcement Effect (MRE) is an emerging subfield at the intersection of information extraction and model interpretability. MRE aims to leverage the mutual understanding between tasks of different granularities, enhancing the…

Computation and Language · Computer Science 2025-06-13 Chengguang Gan , Zhixi Cai , Yanbin Wei , Yunhao Liang , Shiwen Ni , Tatsunori Mori

Implicit neural representations (INRs) have proven effective in various tasks including image, shape, audio, and video reconstruction. These INRs typically learn the implicit field from sampled input points. This is often done using a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Yizhak Ben-Shabat , Chamin Hewa Koneputugodage , Sameera Ramasinghe , Stephen Gould

The estimation of mutual information (MI) or conditional mutual information (CMI) from a set of samples is a long-standing problem. A recent line of work in this area has leveraged the approximation power of artificial neural networks and…

Information Theory · Computer Science 2021-10-27 Sina Molavipour , Germán Bassi , Mikael Skoglund

Pre-trained language models (PLMs) have recently shown great success in text representation field. However, the high computational cost and high-dimensional representation of PLMs pose significant challenges for practical applications. To…

Computation and Language · Computer Science 2023-11-10 Yanzhao Zhang , Dingkun Long , Zehan Li , Pengjun Xie

Generative modeling becomes increasingly data-intensive in high-dimensional spaces. In molecular science, where data collection is expensive and important events are rare, compression to lower-dimensional manifolds is especially important…

Machine Learning · Computer Science 2025-10-14 Richard John , Yunrui Qiu , Lukas Herron , Pratyush Tiwary

Facial expression is an essential factor in conveying human emotional states and intentions. Although remarkable advancement has been made in facial expression recognition (FER) task, challenges due to large variations of expression…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Jie Lei , Zhao Liu , Zeyu Zou , Tong Li , Xu Juan , Shuaiwei Wang , Guoyu Yang , Zunlei Feng

Multimodal VAEs seek to model the joint distribution over heterogeneous data (e.g.\ vision, language), whilst also capturing a shared representation across such modalities. Prior work has typically combined information from the modalities…

Machine Learning · Computer Science 2022-12-19 Tom Joy , Yuge Shi , Philip H. S. Torr , Tom Rainforth , Sebastian M. Schmon , N. Siddharth

Measuring model performance is a key issue for deep learning practitioners. However, we often lack the ability to explain why a specific architecture attains superior predictive accuracy for a given data set. Often, validation accuracy is…

Machine Learning · Computer Science 2022-04-01 Marius C. Landverk , Signe Riemer-Sørensen

Differential equations in general and neural ODEs in particular are an essential technique in continuous-time system identification. While many deterministic learning algorithms have been designed based on numerical integration via the…

Machine Learning · Computer Science 2021-10-18 Lenart Treven , Philippe Wenk , Florian Dörfler , Andreas Krause
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