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License Plate Recognition Systems are used to determine the license plate number of a vehicle. The current system mainly uses Optical Character Recognition to recognize the number plate. There are several problems to this system. Some of…

Computer Vision and Pattern Recognition · Computer Science 2015-06-11 Jani Biju Babjan

Optical Character Recognition (OCR) for data extraction from documents is essential to intelligent informatics, such as digitizing medical records and recognizing road signs. Multi-modal Large Language Models (LLMs) can solve this task and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hyakka Nakada , Yoshiyasu Tanaka

Scene text recognition (STR) from high-resolution (HR) images has been significantly successful, however text reading on low-resolution (LR) images is still challenging due to insufficient visual information. Therefore, recently many scene…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Minyi Zhao , Yang Wang , Jihong Guan , Shuigeng Zhou

LiDAR-camera fusion is one of the core processes for the perception system of current automated driving systems. The typical sensor fusion process includes a list of coordinate transformation operations following system calibration.…

Robotics · Computer Science 2023-11-09 Dan Shen , Zhengming Zhang , Renran Tian , Yaobin Chen , Rini Sherony

Lane detection is one of the most important functions for autonomous driving. In recent years, deep learning-based lane detection networks with RGB camera images have shown promising performance. However, camera-based methods are inherently…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Dong-Hee Paek , Kevin Tirta Wijaya , Seung-Hyun Kong

Blind face restoration from low-quality (LQ) images is a challenging task that requires not only high-fidelity image reconstruction but also the preservation of facial identity. While diffusion models like Stable Diffusion have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Runyi Li , Bin Chen , Jian Zhang , Radu Timofte

Optical flow estimation is an important yet challenging problem in the field of video analytics. The features of different semantics levels/layers of a convolutional neural network can provide information of different granularity. To…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Xiaolin Song , Yuyang Zhao , Jingyu Yang , Cuiling Lan , Wenjun Zeng

This work details Sighthounds fully automated license plate detection and recognition system. The core technology of the system is built using a sequence of deep Convolutional Neural Networks (CNNs) interlaced with accurate and efficient…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Syed Zain Masood , Guang Shu , Afshin Dehghan , Enrique G. Ortiz

Optical flow is the pattern of apparent motion of objects in a scene. The computation of optical flow is a critical component in numerous computer vision tasks such as object detection, visual object tracking, and activity recognition.…

Signal Processing · Electrical Eng. & Systems 2024-01-15 Muhammad Wasim Nawaz , Abdesselam Bouzerdoum , Muhammad Mahboob Ur Rahman , Ghulam Abbas , Faizan Rashid

While deep learning-based super-resolution (SR) methods have shown impressive outcomes with synthetic degradation scenarios such as bicubic downsampling, they frequently struggle to perform well on real-world images that feature complex,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Hyeonjae Kim , Dongjin Kim , Eugene Jin , Tae Hyun Kim

Deformable image registration is a fundamental step for medical image analysis. Recently, transformers have been used for registration and outperformed Convolutional Neural Networks (CNNs). Transformers can capture long-range dependence…

Image and Video Processing · Electrical Eng. & Systems 2024-06-13 Mingyuan Meng , Dagan Feng , Lei Bi , Jinman Kim

The rapid advancement of generative models has made the detection of AI-generated images a critical challenge for both research and society. Recent works have shown that most state-of-the-art fake image detection methods overfit to their…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Aayush Dhakal , Subash Khanal , Srikumar Sastry , Jacob Arndt , Philipe Ambrozio Dias , Dalton Lunga , Nathan Jacobs

In patent prosecution, image-based retrieval systems for identifying similarities between current patent images and prior art are pivotal to ensure the novelty and non-obviousness of patent applications. Despite their growing popularity in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Hao-Cheng Lo , Jung-Mei Chu , Jieh Hsiang , Chun-Chieh Cho

Traditional visual place recognition (VPR), usually using standard cameras, is easy to fail due to glare or high-speed motion. By contrast, event cameras have the advantages of low latency, high temporal resolution, and high dynamic range,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Kuanxu Hou , Delei Kong , Junjie Jiang , Hao Zhuang , Xinjie Huang , Zheng Fang

A recent approach to the Visual Place Recognition (VPR) problem has been to fuse the place recognition estimates of multiple complementary VPR techniques simultaneously. However, selecting the optimal set of techniques to use in a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Stephen Hausler , Tobias Fischer , Michael Milford

Background and Objective: Plane reformatting for four-dimensional phase contrast MRI (4D flow MRI) is time-consuming and prone to inter-observer variability, which limits fast cardiovascular flow assessment. Deep reinforcement learning…

Motion artifact is a major challenge in magnetic resonance imaging (MRI) that severely degrades image quality, reduces examination efficiency, and makes accurate diagnosis difficult. However, previous methods often relied on implicit models…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Jiandong Su , Kun Shang , Dong Liang

Low-resolution image representation is a special form of sparse representation that retains only low-frequency information while discarding high-frequency components. This property reduces storage and transmission costs and benefits various…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Chenglong Bao , Tongyao Pang , Zuowei Shen , Dihan Zheng , Yihang Zou

A majority of methods for video frame interpolation compute bidirectional optical flow between adjacent frames of a video, followed by a suitable warping algorithm to generate the output frames. However, approaches relying on optical flow…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Tarun Kalluri , Deepak Pathak , Manmohan Chandraker , Du Tran

Automatically identifying feature correspondences between multimodal images is facing enormous challenges because of the significant differences both in radiation and geometry. To address these problems, we propose a novel feature matching…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Bai Zhu , Chao Yang , Jinkun Dai , Jianwei Fan , Yuanxin Ye