Search Results for author: Yuchen Han

Found 5 papers, 2 papers with code

Generalizable Whole Slide Image Classification with Fine-Grained Visual-Semantic Interaction

1 code implementation29 Feb 2024 Hao Li, Ying Chen, Yifei Chen, Wenxian Yang, Bowen Ding, Yuchen Han, Liansheng Wang, Rongshan Yu

It is designed to enhance the model's generalizability by leveraging the interaction between localized visual patterns and fine-grained pathological semantics.

Image Classification Language Modelling +3

Modality Adaption or Regularization? A Case Study on End-to-End Speech Translation

1 code implementation13 Jun 2023 Yuchen Han, Chen Xu, Tong Xiao, Jingbo Zhu

Pre-training and fine-tuning is a paradigm for alleviating the data scarcity problem in end-to-end speech translation (E2E ST).

Efficient Integrated Volatility Estimation in the Presence of Infinite Variation Jumps via Debiased Truncated Realized Variations

no code implementations21 Sep 2022 B. Cooper Boniece, José E. Figueroa-López, Yuchen Han

Several rate- and variance-efficient estimators have been proposed in the literature when the jump component is of bounded variation.

Efficient Volatility Estimation for Lévy Processes with Jumps of Unbounded Variation

no code implementations2 Feb 2022 B. Cooper Boniece, José E. Figueroa-López, Yuchen Han

The proposed method is based on a two-step debiasing procedure for the truncated realized quadratic variation of the process.

Estimation of Tempered Stable Lévy Models of Infinite Variation

no code implementations3 Jan 2021 José E. Figueroa-López, Ruoting Gong, Yuchen Han

The method is tested via simulations to estimate the volatility and the Blumenthal-Getoor index of the generalized CGMY model as well as the integrated volatility of a Heston-type model with CGMY jumps.

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