Search Results for author: Xin Peng

Found 22 papers, 5 papers with code

Unlocking Parameter-Efficient Fine-Tuning for Low-Resource Language Translation

no code implementations5 Apr 2024 Tong Su, Xin Peng, Sarubi Thillainathan, David Guzmán, Surangika Ranathunga, En-Shiun Annie Lee

Parameter-efficient fine-tuning (PEFT) methods are increasingly vital in adapting large-scale pre-trained language models for diverse tasks, offering a balance between adaptability and computational efficiency.

Computational Efficiency Machine Translation +2

Event-Based Visual Odometry on Non-Holonomic Ground Vehicles

1 code implementation17 Jan 2024 Wanting Xu, Si'ao Zhang, Li Cui, Xin Peng, Laurent Kneip

Despite the promise of superior performance under challenging conditions, event-based motion estimation remains a hard problem owing to the difficulty of extracting and tracking stable features from event streams.

Event-based Motion Estimation Motion Estimation +1

Tight Fusion of Events and Inertial Measurements for Direct Velocity Estimation

1 code implementation17 Jan 2024 Wanting Xu, Xin Peng, Laurent Kneip

However, this poses a risk in velocity-based control scenarios, as the quality of the estimation of kinematics depends on the stability of absolute camera and landmark coordinates estimation.

Resolving Crash Bugs via Large Language Models: An Empirical Study

no code implementations16 Dec 2023 Xueying Du, Mingwei Liu, Juntao Li, Hanlin Wang, Xin Peng, Yiling Lou

Evaluating IntDiagSolver on multiple LLMs reveals consistent enhancement in the accuracy of crash bug resolution, including ChatGPT, Claude, and CodeLlama.

Language Modelling Large Language Model

OpenGCD: Assisting Open World Recognition with Generalized Category Discovery

1 code implementation14 Aug 2023 Fulin Gao, Weimin Zhong, Zhixing Cao, Xin Peng, Zhi Li

To bridge this gap, we propose OpenGCD that combines three key ideas to solve the above problems sequentially: (a) We score the origin of instances (unknown or specifically known) based on the uncertainty of the classifier's prediction; (b) For the first time, we introduce generalized category discovery (GCD) techniques in OWR to assist humans in grouping unlabeled data; (c) For the smooth execution of IL and GCD, we retain an equal number of informative exemplars for each class with diversity as the goal.

Continual Learning Incremental Learning +1

ClassEval: A Manually-Crafted Benchmark for Evaluating LLMs on Class-level Code Generation

1 code implementation3 Aug 2023 Xueying Du, Mingwei Liu, Kaixin Wang, Hanlin Wang, Junwei Liu, Yixuan Chen, Jiayi Feng, Chaofeng Sha, Xin Peng, Yiling Lou

Third, we find that generating the entire class all at once (i. e. holistic generation strategy) is the best generation strategy only for GPT-4 and GPT-3. 5, while method-by-method generation (i. e. incremental and compositional) is better strategies for the other models with limited ability of understanding long instructions and utilizing the middle information.

Class-level Code Generation

Evaluating Instruction-Tuned Large Language Models on Code Comprehension and Generation

no code implementations2 Aug 2023 Zhiqiang Yuan, Junwei Liu, Qiancheng Zi, Mingwei Liu, Xin Peng, Yiling Lou

First, for the zero-shot setting, instructed LLMs are very competitive on code comprehension and generation tasks and sometimes even better than small SOTA models specifically fine-tuned on each downstream task.

RARE: Robust Masked Graph Autoencoder

no code implementations4 Apr 2023 Wenxuan Tu, Qing Liao, Sihang Zhou, Xin Peng, Chuan Ma, Zhe Liu, Xinwang Liu, Zhiping Cai

To address this issue, we propose a novel SGP method termed Robust mAsked gRaph autoEncoder (RARE) to improve the certainty in inferring masked data and the reliability of the self-supervision mechanism by further masking and reconstructing node samples in the high-order latent feature space.

Simulating the Integration of Urban Air Mobility into Existing Transportation Systems: A Survey

no code implementations25 Jan 2023 Xuan Jiang, Yuhan Tang, Zhiyi Tang, Junzhe Cao, Vishwanath Bulusu, Xin Peng, Cristian Poliziani, Raja Sengupta

Urban air mobility (UAM) has the potential to revolutionize transportation in metropolitan areas, providing a new mode of transportation that could alleviate congestion and improve accessibility.

Understanding the Complexity and Its Impact on Testing in ML-Enabled Systems

no code implementations10 Jan 2023 Junming Cao, Bihuan Chen, Longjie Hu, Jie Gao, Kaifeng Huang, Xin Peng

Machine learning (ML) enabled systems are emerging with recent breakthroughs in ML.

Globally-Optimal Contrast Maximisation for Event Cameras

no code implementations10 Jun 2022 Xin Peng, Ling Gao, Yifu Wang, Laurent Kneip

The practical validity of our approach is demonstrated by a successful application to three different event camera motion estimation problems.

Motion Estimation

Globally-Optimal Event Camera Motion Estimation

no code implementations ECCV 2020 Xin Peng, Yifu Wang, Ling Gao, Laurent Kneip

The practical validity of our approach is supported by a highly successful application to AGV motion estimation with a downward facing event camera, a challenging scenario in which the sensor experiences fronto-parallel motion in front of noisy, fast moving textures.

Motion Estimation

Efficient Globally-Optimal Correspondence-Less Visual Odometry for Planar Ground Vehicles

no code implementations1 Mar 2022 Ling Gao, Junyan Su, Jiadi Cui, Xiangchen Zeng, Xin Peng, Laurent Kneip

We encountered this difficulty by introducing the first globally-optimal, correspondence-less solution to plane-based Ackermann motion estimation.

Image Registration Motion Estimation +1

Understanding Performance Problems in Deep Learning Systems

no code implementations3 Dec 2021 Junming Cao, Bihuan Chen, Chao Sun, Longjie Hu, Shuaihong Wu, Xin Peng

To bridge this gap, we present the first comprehensive study to i) characterize symptoms, root causes, and introducing and exposing stages of PPs in DL systems developed in TensorFLow and Keras, with 224 PPs collected from 210 StackOverflow posts, and to ii) assess the capability of existing performance analysis approaches in tackling PPs, with a constructed benchmark of 58 PPs in DL systems.

Deep adaptive fuzzy clustering for evolutionary unsupervised representation learning

no code implementations31 Mar 2021 Dayu Tan, Zheng Huang, Xin Peng, Weimin Zhong, Vladimir Mahalec

We joint fuzzy clustering to the deep reconstruction model, in which fuzzy membership is utilized to represent a clear structure of deep cluster assignments and jointly optimize for the deep representation learning and clustering.

Clustering Deep Clustering +1

Representation Evaluation Block-based Teacher-Student Network for the Industrial Quality-relevant Performance Modeling and Monitoring

no code implementations20 Jan 2021 Dan Yang, Xin Peng, Yusheng Lu, Haojie Huang, Weimin Zhong

Quality-relevant fault detection plays an important role in industrial processes, while the current quality-related fault detection methods based on neural networks main concentrate on process-relevant variables and ignore quality-relevant variables, which restrict the application of process monitoring.

Fault Detection

Holistic Combination of Structural and Textual Code Information for Context based API Recommendation

no code implementations15 Oct 2020 Chi Chen, Xin Peng, Zhenchang Xing, Jun Sun, Xin Wang, Yifan Zhao, Wenyun Zhao

APIRec-CST is a deep learning model that combines the API usage with the text information in the source code based on an API Context Graph Network and a Code Token Network that simultaneously learn structural and textual features for API recommendation.

Deep Learning-based Modulation Detection for NOMA Systems

no code implementations24 May 2020 Wenwu Xie, Jian Xiao, Jinxia Yang, Xin Peng, Chao Yu, Peng Zhu

Since the signal with strong power should be demodulated first for successive interference cancellation (SIC) demodulation in non-orthogonal multiple access (NOMA) systems, the base station (BS) should inform the near user terminal (UT), which has allocated higher power, of modulation mode of the far user terminal.

Denoising

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