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Scene text image super-resolution (STISR) aims to improve the resolution and visual quality of low-resolution (LR) scene text images, and consequently boost the performance of text recognition. However, most of existing STISR methods regard…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Jianqi Ma , Shi Guo , Lei Zhang

Convolutional neural networks are the most widely used deep learning algorithms for traffic signal classification till date but they fail to capture pose, view, orientation of the images because of the intrinsic inability of max pooling…

Computer Vision and Pattern Recognition · Computer Science 2018-05-14 Amara Dinesh Kumar

Handwritten Signature Verification (HSV) systems distinguish between genuine and forged signatures. Traditional HSV development involves a static batch configuration, constraining the system's ability to model signatures to the limited data…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Kecia G. de Moura , Rafael M. O. Cruz , Robert Sabourin

Vehicle-to-Vehicle technologies have enabled autonomous vehicles to share information to see through occlusions, greatly enhancing perception performance. Nevertheless, existing works all focused on homogeneous traffic where vehicles are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Hao Xiang , Runsheng Xu , Jiaqi Ma

A set of features independent of character stroke direction and order variations is proposed for online handwritten character recognition. A method is developed that maps features like co-ordinates of points, orientations of strokes at…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Anand Sharma , A. G. Ramakrishnan

This project explores the application of advanced machine learning models, specifically Long Short-Term Memory (LSTM), Gated Recurrent Units (GRU), and Transformers, to the task of vehicle speed estimation using video data. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Sai Krishna Reddy Mareddy , Dhanush Upplapati , Dhanush Kumar Antharam

Classification with support vector machines (SVM) often suffers from limited performance when relying solely on labeled data from target classes and is sensitive to noise and outliers. Incorporating prior knowledge from Universum data and…

Machine Learning · Computer Science 2024-12-05 M. A. Ganaie , Vrushank Ahire

The advancement of technology has resulted in a rapid increase in supernova (SN) discoveries. The Subaru/Hyper Suprime-Cam (HSC) transient survey, conducted from fall 2016 through spring 2017, yielded 1824 SN candidates. This gave rise to…

Instrumentation and Methods for Astrophysics · Physics 2020-08-18 Ichiro Takahashi , Nao Suzuki , Naoki Yasuda , Akisato Kimura , Naonori Ueda , Masaomi Tanaka , Nozomu Tominaga , Naoki Yoshida

Vehicle make and model recognition (VMMR) is an important task in intelligent transportation systems, but existing approaches struggle to adapt to newly released models. Contrastive Language-Image Pretraining (CLIP) provides strong…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Wei-Chia Chang , Yan-Ann Chen

High-Definition Maps (HD maps) are essential for the precise navigation and decision-making of autonomous vehicles, yet their creation and upkeep present significant cost and timeliness challenges. The online construction of HD maps using…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shuang Zeng , Xinyuan Chang , Xinran Liu , Yujian Yuan , Shiyi Liang , Zheng Pan , Mu Xu , Xing Wei

Traffic sign detection is essential for autonomous driving and Advanced Driver Assistance Systems (ADAS). However, existing methods struggle to address the challenges of poor image quality and insufficient information under low-light…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ziyu Lin , Yunfan Wu , Yuhang Ma , Junzhou Chen , Ronghui Zhang , Jiaming Wu , Guodong Yin , Liang Lin

This study developed a traffic sign detection and recognition algorithm based on the RetinaNet. Two main aspects were revised to improve the detection of traffic signs: image cropping to address the issue of large image and small traffic…

Computer Vision and Pattern Recognition · Computer Science 2019-11-14 Meixin Zhu , Jingyun Hu , Ziyuan Pu , Zhiyong Cui , Liangwu Yan , Yinhai Wang

The demand for autonomous vehicles is increasing gradually owing to their enormous potential benefits. However, several challenges, such as vehicle localization, are involved in the development of autonomous vehicles. A simple and secure…

Networking and Internet Architecture · Computer Science 2018-10-08 Md. Tanvir Hossan , Mostafa Zaman Chowdhury , Moh. Khalid Hasan , Md. Shahjalal , Trang Nguyen , Nam Tuan Le , Yeong Min Jang

Accurately imputing traffic flow at unsensed locations is difficult: loop detectors provide precise but sparse measurements, speed from probe vehicles is widely available yet only weakly correlated with flow, and nearby links often exhibit…

Machine Learning · Computer Science 2025-12-23 Mohammadmahdi Rahimiasl , Ynte Vanderhoydonc , Siegfried Mercelis

Substantial progress has been made in the field of object detection in road scenes. However, it is mainly focused on vehicles and pedestrians. To this end, we investigate traffic cone detection, an object category crucial for road effects…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Iason Katsamenis , Eleni Eirini Karolou , Agapi Davradou , Eftychios Protopapadakis , Anastasios Doulamis , Nikolaos Doulamis , Dimitris Kalogeras

Safe overtakes in trucks are crucial to prevent accidents, reduce congestion, and ensure efficient traffic flow, making early prediction essential for timely and informed driving decisions. Accordingly, we investigate the detection of truck…

Machine Learning · Computer Science 2024-04-09 Talha Hanif Butt , Prayag Tiwari , Fernando Alonso-Fernandez

This paper focuses on a real-time vehicle detection and urban traffic behavior analysis system based on Unmanned Aerial Vehicle (UAV) traffic video. By using UAV to collect traffic data and combining the YOLOv8 model and SORT tracking…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Yuan Zhu , Yanqiang Wang , Yadong An , Hong Yang , Yiming Pan

This paper addresses the problem of traffic state estimation (TSE) in the presence of heterogeneous sensors which include both fixed and moving sensors. Traditional fixed sensors are expensive and cannot be installed throughout the highway.…

Systems and Control · Electrical Eng. & Systems 2024-07-04 Suyash C. Vishnoi , Sebastian A. Nugroho , Ahmad F. Taha , Christian G. Claudel

Audio-Visual Speech Recognition (AVSR) systems nowadays integrate Large Language Model (LLM) decoders with transformer-based encoders, achieving state-of-the-art results. However, the relative contributions of improved language modelling…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-02 Aristeidis Papadopoulos , Rishabh Jain , Naomi Harte

Inter-city highway transportation is significant for citizens' modern urban life and generates heterogeneous sensory data with spatio-temporal characteristics. As a routine analysis in transportation domain, daily traffic volume estimation…

Machine Learning · Computer Science 2023-08-14 Weilong Ding , Tianpu Zhang , Zhe Wang