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Fine-grained emotion classification (FEC) is a challenging task. Specifically, FEC needs to handle subtle nuance between labels, which can be complex and confusing. Most existing models only address text classification problem in the…

计算与语言 · 计算机科学 2023-06-27 Chih-Yao Chen , Tun-Min Hung , Yi-Li Hsu , Lun-Wei Ku

The primary goal of motion planning is to generate safe and efficient trajectories for vehicles. Traditionally, motion planning models are trained using imitation learning to mimic the behavior of human experts. However, these models often…

Recently, finetuning a pretrained language model to capture the similarity between sentence embeddings has shown the state-of-the-art performance on the semantic textual similarity (STS) task. However, the absence of an interpretation…

人工智能 · 计算机科学 2022-04-15 Seonghyeon Lee , Dongha Lee , Seongbo Jang , Hwanjo Yu

We introduce Deep Set Linearized Optimal Transport, an algorithm designed for the efficient simultaneous embedding of point clouds into an $L^2-$space. This embedding preserves specific low-dimensional structures within the Wasserstein…

机器学习 · 计算机科学 2024-01-04 Scott Mahan , Caroline Moosmüller , Alexander Cloninger

The data deluge comes with high demands for data labeling. Crowdsourcing (or, more generally, ensemble learning) techniques aim to produce accurate labels via integrating noisy, non-expert labeling from annotators. The classic Dawid-Skene…

机器学习 · 计算机科学 2019-09-30 Shahana Ibrahim , Xiao Fu , Nikos Kargas , Kejun Huang

Semantic segmentation has recently achieved notable advances by exploiting "class-level" contextual information during learning. However, these approaches simply concatenate class-level information to pixel features to boost the pixel…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Ye Huang , Di Kang , Liang Chen , Wenjing Jia , Xiangjian He , Lixin Duan , Xuefei Zhe , Linchao Bao

Machine learning deployments in real-world wireless communication tasks face significant generalization challenges due to location and environment-specific signal structure, high diversity in data across different deployments, and limited…

信号处理 · 电气工程与系统科学 2026-05-26 Sadjad Alikhani , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

We propose a novel probabilistic dimensionality reduction framework that can naturally integrate the generative model and the locality information of data. Based on this framework, we present a new model, which is able to learn a smooth…

机器学习 · 统计学 2016-10-18 Li Wang

We propose Embedding Propagation (EP), an unsupervised learning framework for graph-structured data. EP learns vector representations of graphs by passing two types of messages between neighboring nodes. Forward messages consist of label…

机器学习 · 计算机科学 2017-10-10 Alberto Garcia-Duran , Mathias Niepert

Unsupervised representation learning methods are widely used for gaining insight into high-dimensional, unstructured, or structured data. In some cases, users may have prior topological knowledge about the data, such as a known cluster…

机器学习 · 计算机科学 2023-11-08 Edith Heiter , Robin Vandaele , Tijl De Bie , Yvan Saeys , Jefrey Lijffijt

Most video-and-language representation learning approaches employ contrastive learning, e.g., CLIP, to project the video and text features into a common latent space according to the semantic similarities of text-video pairs. However, such…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Peng Jin , Jinfa Huang , Fenglin Liu , Xian Wu , Shen Ge , Guoli Song , David A. Clifton , Jie Chen

We introduce compositional tensor trains (CTTs) for the approximation of multivariate functions, a class of models obtained by composing low-rank functions in the tensor-train format. This format can encode standard approximation tools,…

数值分析 · 数学 2025-12-23 Martin Eigel , Charles Miranda , Anthony Nouy , David Sommer

Learning the distance metric between pairs of examples is of great importance for visual recognition, especially for person re-identification (Re-Id). Recently, the contrastive and triplet loss are proposed to enhance the discriminative…

计算机视觉与模式识别 · 计算机科学 2017-07-26 De Cheng , Yihong Gong , Zhihui Li , Weiwei Shi , Alexander G. Hauptmann , Nanning Zheng

Centralized learning requires data to be aggregated at a central server, which poses significant challenges in terms of data privacy and bandwidth consumption. Federated learning presents a compelling alternative, however, vanilla federated…

机器人学 · 计算机科学 2025-03-13 Shreya Gummadi , Mateus V. Gasparino , Deepak Vasisht , Girish Chowdhary

Representation learning is currently a very hot topic in modern machine learning, mostly due to the great success of the deep learning methods. In particular low-dimensional representation which discriminates classes can not only enhance…

机器学习 · 计算机科学 2015-04-13 Wojciech Marian Czarnecki , Rafał Józefowicz , Jacek Tabor

Accurately forecasting ridesourcing demand is important for effective transportation planning and policy-making. With the rise of Artificial Intelligence (AI), researchers have started to utilize machine learning models to forecast travel…

机器学习 · 计算机科学 2021-09-09 Xiaojian Zhang , Xilei Zhao

Multi-label classification is a type of supervised machine learning that can simultaneously assign multiple labels to an instance. To solve this task, some methods divide the original problem into several sub-problems (local approach),…

机器学习 · 计算机科学 2024-11-18 Elaine Cecília Gatto , Felipe Nakano Kenji , Jesse Read , Mauri Ferrandin , Ricardo Cerri , Celine Vens

Extreme multi-label text classification (XMTC) is the task of finding the most relevant subset labels from an extremely large-scale label collection. Recently, some deep learning models have achieved state-of-the-art results in XMTC tasks.…

计算与语言 · 计算机科学 2022-11-29 Jie Cao , Yin Zhang

Re-ranking utilizes contextual information to optimize the initial ranking list of person or vehicle re-identification (re-ID), which boosts the retrieval performance at post-processing steps. This paper proposes a re-ranking network to…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yunhao Zhou , Yi Wang , Lap-Pui Chau

Querying uncertain data sets (represented as probability distributions) presents many challenges due to the large amount of data involved and the difficulties comparing uncertainty between distributions. The Earth Mover's Distance (EMD) has…

数据库 · 计算机科学 2011-12-01 Brian E. Ruttenberg , Ambuj K. Singh