Search Results for author: Long Yan

Found 6 papers, 3 papers with code

Data-Free Generalized Zero-Shot Learning

no code implementations28 Jan 2024 Bowen Tang, Long Yan, Jing Zhang, Qian Yu, Lu Sheng, Dong Xu

Firstly, to recover the virtual features of the base data, we model the CLIP features of base class images as samples from a von Mises-Fisher (vMF) distribution based on the pre-trained classifier.

Generalized Zero-Shot Learning Zero-shot Generalization

Semi-supervised Sound Event Detection with Local and Global Consistency Regularization

no code implementations15 Sep 2023 Yiming Li, Xiangdong Wang, Hong Liu, Rui Tao, Long Yan, Kazushige Ouchi

Then, the local consistency is adopted to encourage the model to leverage local features for frame-level predictions, and the global consistency is applied to force features to align with global prototypes through a specially designed contrastive loss.

Event Detection Sound Event Detection

Audio Generation with Multiple Conditional Diffusion Model

no code implementations23 Aug 2023 Zhifang Guo, Jianguo Mao, Rui Tao, Long Yan, Kazushige Ouchi, Hong Liu, Xiangdong Wang

To address this issue, we propose a novel model that enhances the controllability of existing pre-trained text-to-audio models by incorporating additional conditions including content (timestamp) and style (pitch contour and energy contour) as supplements to the text.

Audio Generation Language Modelling +1

Couple Learning for semi-supervised sound event detection

2 code implementations12 Oct 2021 Rui Tao, Long Yan, Kazushige Ouchi, Xiangdong Wang

The recently proposed Mean Teacher method, which exploits large-scale unlabeled data in a self-ensembling manner, has achieved state-of-the-art results in several semi-supervised learning benchmarks.

Event Detection Sound Event Detection

Sound Event Detection Transformer: An Event-based End-to-End Model for Sound Event Detection

1 code implementation5 Oct 2021 Zhirong Ye, Xiangdong Wang, Hong Liu, Yueliang Qian, Rui Tao, Long Yan, Kazushige Ouchi

A critical issue with the frame-based model is that it pursues the best frame-level prediction rather than the best event-level prediction.

Audio Tagging Boundary Detection +5

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