Search Results for author: Sijia Li

Found 13 papers, 3 papers with code

LAPTOP-Diff: Layer Pruning and Normalized Distillation for Compressing Diffusion Models

no code implementations17 Apr 2024 Dingkun Zhang, Sijia Li, Chen Chen, Qingsong Xie, Haonan Lu

To this end, we proposed the layer pruning and normalized distillation for compressing diffusion models (LAPTOP-Diff).

Knowledge Distillation

Adversarial Training with OCR Modality Perturbation for Scene-Text Visual Question Answering

1 code implementation14 Mar 2024 Zhixuan Shen, Haonan Luo, Sijia Li, Tianrui Li

Scene-Text Visual Question Answering (ST-VQA) aims to understand scene text in images and answer questions related to the text content.

Optical Character Recognition Optical Character Recognition (OCR) +2

Risk Taxonomy, Mitigation, and Assessment Benchmarks of Large Language Model Systems

no code implementations11 Jan 2024 Tianyu Cui, Yanling Wang, Chuanpu Fu, Yong Xiao, Sijia Li, Xinhao Deng, Yunpeng Liu, Qinglin Zhang, Ziyi Qiu, Peiyang Li, Zhixing Tan, Junwu Xiong, Xinyu Kong, Zujie Wen, Ke Xu, Qi Li

Based on this, we propose a comprehensive taxonomy, which systematically analyzes potential risks associated with each module of an LLM system and discusses the corresponding mitigation strategies.

Language Modelling Large Language Model

More than Correlation: Do Large Language Models Learn Causal Representations of Space?

no code implementations26 Dec 2023 Yida Chen, Yixian Gan, Sijia Li, Li Yao, Xiaohan Zhao

Recent work found high mutual information between the learned representations of large language models (LLMs) and the geospatial property of its input, hinting an emergent internal model of space.

Big Learning Expectation Maximization

1 code implementation19 Dec 2023 Yulai Cong, Sijia Li

Mixture models serve as one fundamental tool with versatile applications.

Underwater Sound Speed Profile Construction: A Review

no code implementations12 Oct 2023 Wei Huang, Jixuan Zhou, Fan Gao, Jiajun Lu, Sijia Li, Pengfei Wu, Junting Wang, Hao Zhang, Tianhe Xu

The proposal of SSP inversion method greatly improves the convenience and real--time performance, but the accuracy is not as good as the direct measurement method.

Compressive Sensing

MoEController: Instruction-based Arbitrary Image Manipulation with Mixture-of-Expert Controllers

no code implementations8 Sep 2023 Sijia Li, Chen Chen, Haonan Lu

In this work, we propose a method with a mixture-of-expert (MOE) controllers to align the text-guided capacity of diffusion models with different kinds of human instructions, enabling our model to handle various open-domain image manipulation tasks with natural language instructions.

Image Generation Image Manipulation

CompoNeRF: Text-guided Multi-object Compositional NeRF with Editable 3D Scene Layout

no code implementations24 Mar 2023 Haotian Bai, Yuanhuiyi Lyu, Lutao Jiang, Sijia Li, Haonan Lu, Xiaodong Lin, Lin Wang

To tackle the issue of 'guidance collapse' and enhance consistency, we propose a novel framework, dubbed CompoNeRF, by integrating an editable 3D scene layout with object specific and scene-wide guidance mechanisms.

Object Text to 3D

TTAGN: Temporal Transaction Aggregation Graph Network for Ethereum Phishing Scams Detection

no code implementations28 Apr 2022 Sijia Li, Gaopeng Gou, Chang Liu, Chengshang Hou, Zhenzhen Li, Gang Xiong

In this paper, we propose a Temporal Transaction Aggregation Graph Network (TTAGN) to enhance phishing scams detection performance on Ethereum.

Representation Learning

Scalable Bigraphical Lasso: Two-way Sparse Network Inference for Count Data

1 code implementation15 Mar 2022 Sijia Li, Martín López-García, Neil D. Lawrence, Luisa Cutillo

Unfortunately, the original Bigraphical Lasso algorithm is not applicable in case of large p and n due to memory requirements.

Vocal Bursts Valence Prediction

When Creators Meet the Metaverse: A Survey on Computational Arts

no code implementations26 Nov 2021 Lik-Hang Lee, Zijun Lin, Rui Hu, Zhengya Gong, Abhishek Kumar, Tangyao Li, Sijia Li, Pan Hui

The metaverse, enormous virtual-physical cyberspace, has brought unprecedented opportunities for artists to blend every corner of our physical surroundings with digital creativity.

Discussion of Kallus (2020) and Mo, Qi, and Liu (2020): New Objectives for Policy Learning

no code implementations9 Oct 2020 Sijia Li, Xiudi Li, Alex Luedtke

We discuss the thought-provoking new objective functions for policy learning that were proposed in "More efficient policy learning via optimal retargeting" by Nathan Kallus and "Learning optimal distributionally robust individualized treatment rules" by Weibin Mo, Zhengling Qi, and Yufeng Liu.

Cannot find the paper you are looking for? You can Submit a new open access paper.