Adaptive Thresholding Technique for Binarization of License Plate Images
نویسندگان
چکیده
منابع مشابه
An Adaptive Logical Thresholding Method for Binarization of Blueprint Images
In a global thresholding method, a single threshold value is calculated for the whole image. Pixels with a gray scale level under the threshold level are labeled as print; pixels with a gray scale level above the threshold level are labeled as background. The process can be described as follows: b(x, y) = ½ 1 if f (x, y) ≤ T 0 otherwise (2.1) Among the many global thresholding methods, Otsu's m...
متن کاملLicense Plate Recognition: An Insight to the Proposed Approach for Plate Localization and Binarization Technique
License Plate Recognition (LPR) system for vehicles is an innovative and a very challenging area for research due to the innumerous plate formats and the nonuniform outdoor illumination conditions during which images are acquired. Thus, most approaches developed, work under certain restrictions such as fixed illumination, stationary background and limited speed. Algorithms developed for LPR sys...
متن کاملA New Local Adaptive Thresholding Technique in Binarization
Image binarization is the process of separation of pixel values into two groups, white as background and black as foreground. Thresholding plays a major in binarization of images. Thresholding can be categorized into global thresholding and local thresholding. In images with uniform contrast distribution of background and foreground like document images, global thresholding is more appropriate....
متن کاملSuper-Resolution of License Plate Images using Algebraic Reconstruction Technique
In this paper, an iterative super-resolution reconstruction method is introduced for license plate recognition. A high-resolution image of the license plate is reconstructed by fusing the information derived from a set of subpixel shifted low-resolution images. The reconstruction problem is formulated as a system of linear equations that is solved by using the simultaneous algebraic reconstruct...
متن کاملShape based local thresholding for binarization of document images
This paper presents a novel local threshold algorithm for the binarization of document images. Stroke width of handwritten and printed characters in documents is utilized as the shape feature. As a result, in addition to the intensity analysis, the proposed algorithm introduces the stroke width as shape information into local thresholding. Experimental results for both synthetic and practical d...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Optical Society of Korea
سال: 2010
ISSN: 1226-4776
DOI: 10.3807/josk.2010.14.4.368