Search Results for author: Feng Han

Found 8 papers, 1 papers with code

NeRFTAP: Enhancing Transferability of Adversarial Patches on Face Recognition using Neural Radiance Fields

no code implementations29 Nov 2023 Xiaoliang Liu, Furao Shen, Feng Han, Jian Zhao, Changhai Nie

Face recognition (FR) technology plays a crucial role in various applications, but its vulnerability to adversarial attacks poses significant security concerns.

Adversarial Attack Face Recognition

What do LLMs Know about Financial Markets? A Case Study on Reddit Market Sentiment Analysis

no code implementations21 Dec 2022 Xiang Deng, Vasilisa Bashlovkina, Feng Han, Simon Baumgartner, Michael Bendersky

Market sentiment analysis on social media content requires knowledge of both financial markets and social media jargon, which makes it a challenging task for human raters.

Language Modelling Large Language Model +1

Scaling Multimodal Pre-Training via Cross-Modality Gradient Harmonization

no code implementations3 Nov 2022 Junru Wu, Yi Liang, Feng Han, Hassan Akbari, Zhangyang Wang, Cong Yu

For example, even in the commonly adopted instructional videos, a speaker can sometimes refer to something that is not visually present in the current frame; and the semantic misalignment would only be more unpredictable for the raw videos from the internet.

Contrastive Learning

A Simple and Efficient Pipeline to Build an End-to-End Spatial-Temporal Action Detector

1 code implementation7 Jun 2022 Lin Sui, Chen-Lin Zhang, Lixin Gu, Feng Han

Some existing methods build one-stage pipelines, But a large performance drop exists with the vanilla one-stage pipeline and extra classification modules are needed to achieve comparable performance.

Action Classification Action Detection +1

Learning-Based Safe Motion Control of Vehicle Ski-Stunt Maneuvers

no code implementations3 Apr 2022 Feng Han, Jingang Yi

This paper presents a safety guaranteed control method for an autonomous vehicle ski-stunt maneuver, that is, a vehicle moving with two one-side wheels.

SASICM A Multi-Task Benchmark For Subtext Recognition

no code implementations13 Jun 2021 Hua Yan, Feng Han, Junyi An, Weikang Xiao, Jian Zhao, Furao Shen

The F1 score of SASICMBERT, whose pretrained model is BERT, is 65. 12%, which is 0. 75% higher than that of SASICMg.

Kartta Labs: Collaborative Time Travel

no code implementations7 Oct 2020 Sasan Tavakkol, Feng Han, Brandon Mayer, Mark Phillips, Cyrus Shahabi, Yao-Yi Chiang, Raimondas Kiveris

We introduce the modular and scalable design of Kartta Labs, an open source, open data, and scalable system for virtually reconstructing cities from historical maps and photos.

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