Search Results for author: Shiqi Chen

Found 16 papers, 9 papers with code

In-Context Sharpness as Alerts: An Inner Representation Perspective for Hallucination Mitigation

1 code implementation3 Mar 2024 Shiqi Chen, Miao Xiong, Junteng Liu, Zhengxuan Wu, Teng Xiao, Siyang Gao, Junxian He

Large language models (LLMs) frequently hallucinate and produce factual errors, yet our understanding of why they make these errors remains limited.

Hallucination

Revealing the preference for correcting separated aberrations in joint optic-image design

no code implementations8 Sep 2023 Jingwen Zhou, Shiqi Chen, Zheng Ren, Wenguan Zhang, Jiapu Yan, Huajun Feng, Qi Li, Yueting Chen

The joint design of the optical system and the downstream algorithm is a challenging and promising task.

FacTool: Factuality Detection in Generative AI -- A Tool Augmented Framework for Multi-Task and Multi-Domain Scenarios

3 code implementations25 Jul 2023 I-Chun Chern, Steffi Chern, Shiqi Chen, Weizhe Yuan, Kehua Feng, Chunting Zhou, Junxian He, Graham Neubig, PengFei Liu

With the above challenges in mind, in this paper, we propose FacTool, a task and domain agnostic framework for detecting factual errors of texts generated by large language models (e. g., ChatGPT).

Code Generation Fact Checking +1

Let Segment Anything Help Image Dehaze

no code implementations28 Jun 2023 Zheyan Jin, Shiqi Chen, Yueting Chen, Zhihai Xu, Huajun Feng

Therefore, we propose a framework to integrate large-model prior into low-level computer vision tasks.

Image Segmentation Language Modelling +2

Toward Real Flare Removal: A Comprehensive Pipeline and A New Benchmark

no code implementations28 Jun 2023 Zheyan Jin, Shiqi Chen, Huajun Feng, Zhihai Xu, Yueting Chen

The procedure is comprehensive, where the similarity of scattered flares and the symmetric effect of reflected ghosts are realized.

Flare Removal

Composing Parameter-Efficient Modules with Arithmetic Operations

2 code implementations26 Jun 2023 Jinghan Zhang, Shiqi Chen, Junteng Liu, Junxian He

In this paper, we propose to compose these parameter-efficient modules through linear arithmetic operations in the weight space, thereby integrating different module capabilities.

Language Modelling Large Language Model +1

Evaluating Factual Consistency of Summaries with Large Language Models

2 code implementations23 May 2023 Shiqi Chen, Siyang Gao, Junxian He

Detecting factual errors in summaries has been an important and challenging subject in summarization research.

Binary Classification Sentence

Mobile Image Restoration via Prior Quantization

no code implementations10 May 2023 Shiqi Chen, Jinwen Zhou, Menghao Li, Yueting Chen, Tingting Jiang

In digital images, the performance of optical aberration is a multivariate degradation, where the spectral of the scene, the lens imperfections, and the field of view together contribute to the results.

Image Restoration Quantization

Computational Optics for Mobile Terminals in Mass Production

no code implementations10 May 2023 Shiqi Chen, Ting Lin, Huajun Feng, Zhihai Xu, Qi Li, Yueting Chen

Correcting the optical aberrations and the manufacturing deviations of cameras is a challenging task.

Optical Aberration Correction in Postprocessing using Imaging Simulation

1 code implementation10 May 2023 Shiqi Chen, Huajun Feng, Dexin Pan, Zhihai Xu, Qi Li, Yueting Chen

Due to the spatial variation in optical aberrations, which cannot be avoided during the lens design process, recent commercial cameras have shifted some of these correction tasks from optical design to postprocessing systems.

Reliable Image Dehazing by NeRF

no code implementations16 Mar 2023 Zheyan Jin, Shiqi Chen, Huajun Feng, Zhihai Xu, Qi Li, Yueting Chen

In order to obtain real shot data in different scenes, we used fog generators, array cameras, mobile phones, underwater cameras and drones to obtain haze data.

Image Dehazing

Adaptive Adversarial Training for Meta Reinforcement Learning

no code implementations27 Apr 2021 Shiqi Chen, Zhengyu Chen, Donglin Wang

Meta Reinforcement Learning (MRL) enables an agent to learn from a limited number of past trajectories and extrapolate to a new task.

Generative Adversarial Network Meta-Learning +3

Extreme-Quality Computational Imaging via Degradation Framework

1 code implementation ICCV 2021 Shiqi Chen, Huajun Feng, Keming Gao, Zhihai Xu, Yueting Chen

To meet the space limitation of optical elements, free-form surfaces or high-order aspherical lenses are adopted in mobile cameras to compress volume.

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