Search Results for author: Thi Ngoc Tho Nguyen

Found 8 papers, 4 papers with code

Improving Polyphonic Sound Event Detection on Multichannel Recordings with the Sørensen-Dice Coefficient Loss and Transfer Learning

no code implementations22 Jul 2021 Karn N. Watcharasupat, Thi Ngoc Tho Nguyen, Ngoc Khanh Nguyen, Zhen Jian Lee, Douglas L. Jones, Woon Seng Gan

The S{\o}rensen--Dice Coefficient has recently seen rising popularity as a loss function (also known as Dice loss) due to its robustness in tasks where the number of negative samples significantly exceeds that of positive samples, such as semantic segmentation, natural language processing, and sound event detection.

Data Augmentation Event Detection +3

What Makes Sound Event Localization and Detection Difficult? Insights from Error Analysis

1 code implementation22 Jul 2021 Thi Ngoc Tho Nguyen, Karn N. Watcharasupat, Zhen Jian Lee, Ngoc Khanh Nguyen, Douglas L. Jones, Woon Seng Gan

Sound event localization and detection (SELD) is an emerging research topic that aims to unify the tasks of sound event detection and direction-of-arrival estimation.

Direction of Arrival Estimation Event Detection +2

AMVNet: Assertion-based Multi-View Fusion Network for LiDAR Semantic Segmentation

no code implementations9 Dec 2020 Venice Erin Liong, Thi Ngoc Tho Nguyen, Sergi Widjaja, Dhananjai Sharma, Zhuang Jie Chong

In this paper, we present an Assertion-based Multi-View Fusion network (AMVNet) for LiDAR semantic segmentation which aggregates the semantic features of individual projection-based networks using late fusion.

Autonomous Vehicles LIDAR Semantic Segmentation +1

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