Search Results for author: Chuang Yang

Found 21 papers, 6 papers with code

MMO-IG: Multi-Class and Multi-Scale Object Image Generation for Remote Sensing

no code implementations18 Dec 2024 Chuang Yang, Bingxuan Zhao, Qing Zhou, Qi Wang

To address these challenges, we propose a multi-class and multi-scale object image generator based on DGMs, termed MMO-IG, designed to generate RS images with supervised object labels from global and local aspects simultaneously.

Denoising Image Generation +3

SignEye: Traffic Sign Interpretation from Vehicle First-Person View

no code implementations18 Nov 2024 Chuang Yang, Xu Han, Tao Han, Yuejiao Su, Junyu Gao, Hongyuan Zhang, Yi Wang, Lap-Pui Chau

Meanwhile, we develop a traffic guidance assistant (TGA) scenario application to re-explore the role of traffic signs in ADS as a complement to popular autonomous technologies (such as obstacle perception).

Autonomous Driving

Sensing-Assisted Beam Tracking with Real-Time Beamwidth Adaptation for THz Communications

no code implementations13 Nov 2024 Wuhan Chen, Yuheng Fan, Chuang Yang, Mugen Peng

Consequently, we propose a sensing-assisted beam tracking scheme with real-time beamwidth adaptation.

Real-Time Text Detection with Similar Mask in Traffic, Industrial, and Natural Scenes

1 code implementation5 Nov 2024 Xu Han, Junyu Gao, Chuang Yang, Yuan Yuan, Qi Wang

In addition, to validate the scene robustness of the SM-Net, we conduct experiments on traffic, industrial, and natural scene datasets.

Text Detection

Instruction-Tuning Llama-3-8B Excels in City-Scale Mobility Prediction

1 code implementation31 Oct 2024 Peizhi Tang, Chuang Yang, Tong Xing, Xiaohang Xu, Renhe Jiang, Kaoru Sezaki

Human mobility prediction plays a critical role in applications such as disaster response, urban planning, and epidemic forecasting.

Disaster Response Language Modeling +4

Taming the Long Tail in Human Mobility Prediction

1 code implementation19 Oct 2024 Xiaohang Xu, Renhe Jiang, Chuang Yang, Zipei Fan, Kaoru Sezaki

With the popularity of location-based services, human mobility prediction plays a key role in enhancing personalized navigation, optimizing recommendation systems, and facilitating urban mobility and planning.

Prediction Recommendation Systems

SIMformer: Single-Layer Vanilla Transformer Can Learn Free-Space Trajectory Similarity

no code implementations18 Oct 2024 Chuang Yang, Renhe Jiang, Xiaohang Xu, Chuan Xiao, Kaoru Sezaki

Free-space trajectory similarity calculation, e. g., DTW, Hausdorff, and Frechet, often incur quadratic time complexity, thus learning-based methods have been proposed to accelerate the computation.

Focus Entirety and Perceive Environment for Arbitrary-Shaped Text Detection

no code implementations25 Sep 2024 Xu Han, Junyu Gao, Chuang Yang, Yuan Yuan, Qi Wang

The latter extracts region-level information and encourages the model to focus on the distribution of positive samples in the vicinity of a pixel, which perceives environment information.

Text Detection

Hybrid Precoding With Low-Resolution PSs for Wideband Terahertz Communication Systems in The Face of Beam Squint

no code implementations24 Jun 2024 Yang Wang, Chuang Yang, Mugen Peng

Moreover, the beam squint in wideband THz massive MIMO increases the performance degradation because of the frequency independence of the analog PSs.

Large Language Models as Urban Residents: An LLM Agent Framework for Personal Mobility Generation

2 code implementations22 Feb 2024 Jiawei Wang, Renhe Jiang, Chuang Yang, Zengqing Wu, Makoto Onizuka, Ryosuke Shibasaki, Noboru Koshizuka, Chuan Xiao

This paper introduces a novel approach using Large Language Models (LLMs) integrated into an agent framework for flexible and effective personal mobility generation.

Retrieval

Traffic Sign Interpretation in Real Road Scene

no code implementations17 Nov 2023 Chuang Yang, Kai Zhuang, Mulin Chen, Haozhao Ma, Xu Han, Tao Han, Changxing Guo, Han Han, Bingxuan Zhao, Qi Wang

Following the above issues, we propose a traffic sign interpretation (TSI) task, which aims to interpret global semantic interrelated traffic signs (e. g.,~driving instruction-related texts, symbols, and guide panels) into a natural language for providing accurate instruction support to autonomous or assistant driving.

Instruction Following Multi-Task Learning

Revisiting Mobility Modeling with Graph: A Graph Transformer Model for Next Point-of-Interest Recommendation

1 code implementation2 Oct 2023 Xiaohang Xu, Toyotaro Suzumura, Jiawei Yong, Masatoshi Hanai, Chuang Yang, Hiroki Kanezashi, Renhe Jiang, Shintaro Fukushima

Extracting distinct fine-grained features unique to each piece of information is difficult since temporal information often includes spatial information, as users tend to visit nearby POIs.

Growing Instance Mask on Leaf

no code implementations30 Nov 2022 Chuang Yang, Haozhao Ma, Qi Wang

Considering the superiorities above, we propose VeinMask to formulate the instance segmentation problem as the simulation of the vein growth process and to predict the major and minor veins in polar coordinates.

Instance Segmentation Segmentation +1

Adaptive Shrink-Mask for Text Detection

no code implementations18 Nov 2021 Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang, Xuelong Li

It weakens the coupling of texts to shrink-masks, which improves the robustness of detection results.

Text Detection

MT: Multi-Perspective Feature Learning Network for Scene Text Detection

no code implementations12 May 2021 Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang

Text detection, the key technology for understanding scene text, has become an attractive research topic.

Scene Text Detection Text Detection

BiP-Net: Bidirectional Perspective Strategy based Arbitrary-Shaped Text Detection Network

no code implementations11 Apr 2021 Chuang Yang, Mulin Chen, Yuan Yuan, Qi Wang

Specifically, a new text representation strategy is proposed to represent text contours from a top-down perspective, which can fit highly curved text contours effectively.

Object Detection Text Detection

CM-Net: Concentric Mask based Arbitrary-Shaped Text Detection

no code implementations30 Nov 2020 Chuang Yang, Mulin Chen, Zhitong Xiong, Yuan Yuan, Qi Wang

Extensive experiments demonstrate the proposed CM is efficient and robust to fit arbitrary-shaped text instances, and also validate the effectiveness of MPF and constraints loss for discriminative text features recognition.

Text Detection

VLUC: An Empirical Benchmark for Video-Like Urban Computing on Citywide Crowd and Traffic Prediction

no code implementations16 Nov 2019 Renhe Jiang, Zekun Cai, Zhaonan Wang, Chuang Yang, Zipei Fan, Xuan Song, Kota Tsubouchi, Ryosuke Shibasaki

In this study, we publish a new aggregated human mobility dataset generated from a real-world smartphone application and build a standard benchmark for such kind of video-like urban computing with this new dataset and the existing open datasets.

Management Traffic Prediction

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