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Time-series anomaly detection is an important task and has been widely applied in the industry. Since manual data annotation is expensive and inefficient, most applications adopt unsupervised anomaly detection methods, but the results are…

Machine Learning · Computer Science 2023-01-02 Hong Guo , Yujing Wang , Jieyu Zhang , Zhengjie Lin , Yunhai Tong , Lei Yang , Luoxing Xiong , Congrui Huang

Synthetic data generation has emerged as an invaluable solution in scenarios where real-world data collection and usage are limited by cost and scarcity. Large language models (LLMs) have demonstrated remarkable capabilities in producing…

Machine Learning · Computer Science 2025-07-22 Anh Nguyen , Sam Schafft , Nicholas Hale , John Alfaro

In this work, we develop new self-learning techniques with an attention-based sequence-to-sequence (seq2seq) model for automatic speech recognition (ASR). For untranscribed speech data, the hypothesis from an ASR system must be used as a…

Computation and Language · Computer Science 2021-12-23 Kenichi Kumatani , Dimitrios Dimitriadis , Yashesh Gaur , Robert Gmyr , Sefik Emre Eskimez , Jinyu Li , Michael Zeng

Annotating new datasets for machine learning tasks is tedious, time-consuming, and costly. For segmentation applications, the burden is particularly high as manual delineations of relevant image content are often extremely expensive or can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Javier Gamazo Tejero , Martin S. Zinkernagel , Sebastian Wolf , Raphael Sznitman , Pablo Márquez Neila

Existing weakly or semi-supervised semantic segmentation methods utilize image or box-level supervision to generate pseudo-labels for weakly labeled images. However, due to the lack of strong supervision, the generated pseudo-labels are…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Md Amirul Islam , Matthew Kowal , Sen Jia , Konstantinos G. Derpanis , Neil D. B. Bruce

Dataset availability and quality remain critical challenges in machine learning, especially in domains where data are scarce, expensive to acquire, or constrained by privacy regulations. Fields such as healthcare, biomedical research, and…

Databases · Computer Science 2025-10-23 Hamed Jelodar , Samita Bai , Roozbeh Razavi-Far , Ali A. Ghorbani

Driving scene parsing is critical for autonomous vehicles to operate reliably in complex real-world traffic environments. To reduce the reliance on costly pixel-level annotations, synthetic datasets with automatically generated labels have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Jiahe Fan , Xiao Ma , Sergey Vityazev , George Giakos , Shaolong Shu , Rui Fan

Labeled datasets are essential for modern search engines, which increasingly rely on supervised learning methods like Learning to Rank and massive amounts of data to power deep learning models. However, creating these datasets is both…

Information Retrieval · Computer Science 2025-03-11 Sriram Vasudevan

Reinforcement Learning with Verifiable Rewards (RLVR) has proven effective for training large language models (LLMs) on complex reasoning tasks, such as mathematical problem solving. A prerequisite for the scalability of RLVR is a…

Machine Learning · Computer Science 2025-06-11 Xiao Liang , Zhong-Zhi Li , Yeyun Gong , Yang Wang , Hengyuan Zhang , Yelong Shen , Ying Nian Wu , Weizhu Chen

Fine-tuning pretrained ASR models for specific domains is challenging for small organizations with limited labeled data and computational resources. Here, we explore different data selection pipelines and propose a robust approach that…

The growing prevalence and complexity of mental health disorders present significant challenges for accurate diagnosis and treatment, particularly in understanding the interplay between co-occurring conditions. Mental health disorders, such…

Artificial Intelligence · Computer Science 2024-12-06 Abdelrahaman A. Hassan , Radwa J. Hanafy , Mohammed E. Fouda

Annotating time boundaries of sound events is labor-intensive, limiting the scalability of strongly supervised learning in audio detection. To reduce annotation costs, weakly-supervised learning with only clip-level labels has been widely…

Sound · Computer Science 2025-10-30 Keisuke Imoto

While there has been much recent progress using deep learning techniques to separate speech and music audio signals, these systems typically require large collections of isolated sources during the training process. When extending audio…

Sound · Computer Science 2020-09-01 Fatemeh Pishdadian , Gordon Wichern , Jonathan Le Roux

Real-world machine learning applications often struggle with two major challenges: distribution shift and label noise. Models tend to overfit by focusing on redundant and uninformative features in the training data, which makes it hard for…

Computation and Language · Computer Science 2025-04-22 Zilin Dai , Lehong Wang , Fangzhou Lin , Yidong Wang , Zhigang Li , Kazunori D Yamada , Ziming Zhang , Wang Lu

LambdaBeam is a state-of-the-art, execution-guided algorithm for program synthesis that utilizes higher-order functions, lambda functions, and iterative loops within a Domain-Specific Language (DSL). LambdaBeam generates each program from…

Software Engineering · Computer Science 2024-09-13 Janis Zenkner , Lukas Dierkes , Tobias Sesterhenn , Chrisitan Bartelt

Weakly supervised semantic segmentation (WSSS) based on image-level labels is challenging since it is hard to obtain complete semantic regions. To address this issue, we propose a self-training method that utilizes fused multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Guoqing Yang , Chuang Zhu , Yu Zhang

We introduce AgentSynth, a scalable and cost-efficient pipeline for automatically synthesizing high-quality tasks and trajectory datasets for generalist computer-use agents. Leveraging information asymmetry, AgentSynth constructs subtasks…

Computation and Language · Computer Science 2026-03-03 Jingxu Xie , Dylan Xu , Xuandong Zhao , Dawn Song

Decision making in automated driving is highly specific to the environment and thus semantic segmentation plays a key role in recognizing the objects in the environment around the car. Pixel level classification once considered a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Sumanth Chennupati , Ganesh Sistu , Senthil Yogamani , Samir Rawashdeh

Unlike fully supervised semantic segmentation, weakly supervised semantic segmentation (WSSS) relies on weaker forms of supervision to perform dense prediction tasks. Among the various types of weak supervision, WSSS with image level…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Zheyuan Zhang , Wang Zhang

Modern OLAP engines are designed to support arbitrary analytical workloads, but this generality incurs structural overhead, including runtime schema interpretation, indirection layers, and abstraction boundaries, even in highly optimized…

Databases · Computer Science 2026-03-03 Johannes Wehrstein , Timo Eckmann , Matthias Jasny , Carsten Binnig