Benchmark for license plate character segmentation

GR Gonçalves, SPG da Silva, D Menotti… - Journal of Electronic …, 2016 - spiedigitallibrary.org
Automatic license plate recognition (ALPR) has been the focus of many researches in the
past years. In general, ALPR is divided into the following problems: detection of on-track …

Object detection and image cropping using a multi-detector approach

J Ma, SM Thompson, JW Amtrup - US Patent 10,803,350, 2020 - Google Patents
Computer-implemented methods for detecting objects within digital image data based on
color transitions include: receiving or capturing a digital image depicting an object; sampling …

License plate recognition based on temporal redundancy

GR Gonçalves, D Menotti… - 2016 IEEE 19th …, 2016 - ieeexplore.ieee.org
Recognition of vehicle license plates is an important task in several real applications. Most
approaches first detect a vehicle, locate the license plate and then recognize its characters …

Object detection and image cropping using a multi-detector approach

J Ma, SM Thompson, JW Amtrup - US Patent 11,062,176, 2021 - Google Patents
Computerized techniques for real-time object detection from video data include: defining an
analysis profile comprising an initial number of analysis cycles dedicated to each of a …

Systems and methods for mobile image capture and processing

A Macciola, JW Amtrup, A Shustorovich… - US Patent …, 2020 - Google Patents
In several embodiments, methods, systems, and computer program products for processing
digital images captured by a mobile device are disclosed. The techniques include detecting …

Smart document capture based on estimated scanned-image quality

F Chen, S Carter, L Denoue, J Kumar - US Patent 9,208,550, 2015 - Google Patents
A method for providing real-time feedback of an estimated quality of a captured final image,
the method including obtaining a preliminary image, calculating a quality score of the …

System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate

AR Wilbert, DCC Chung, HB Wach, GM Rauker… - US Patent …, 2017 - Google Patents
ABSTRACT A system and method is provided for automatically identi fying a vehicle and
facilitating a transaction related to the vehicle. The system includes a first mobile apparatus …

Iterative recognition-guided thresholding and data extraction

CW Thrasher, A Shustorovich, SM Thompson… - US Patent …, 2021 - Google Patents
Techniques for binarization and extraction of information from image data are disclosed. The
inventive concepts include independently binarizing portions of the image data on the basis …

Methods and systems for optimized parameter selection in automated license plate recognition

AM Burry, Y Zhao, V Kozitsky - US Patent 9,292,759, 2016 - Google Patents
A system and method for automatically recognizing license plate information, the method
comprising receiving an image of a license plate, and generating a plurality of image …

Reinforcement learning approach to character level segmentation of license plate images

AM Burry, F Abtahi - US Patent 9,213,910, 2015 - Google Patents
Methods and systems for achieving accurate segmentation of characters with respect to a
license plate image utilizing a reinforcement learning approach. A vehicle image can be …