منابع مشابه
The Vector-Gradient Hough Transform
The paper presents a new transform, called Vector– Gradient Hough Transform, for identifying elongated shapes in grayscale images. This goal is achieved not only by collecting information on the edges of the objects, but also by reconstructing their transversal profile of luminosity. The main features of the new approach are related to its vector space formulation and the associated capability ...
متن کاملGradient based progressive probabilistic Hough transform
The authors look at the benefits of exploiting gradient information to enhance the progressive probabilistic Hough transform (PPHT). It is shown that using the angle information in controlling the voting process and in assigning pixels to a line, the PPHT performance can be significantly improved. The performance gains are assessed in terms of repeatability of results, a measure that has direct...
متن کاملUsing Gradient Information to Enhance the Progressive Probabilistic Hough Transform
In this paper we look at the benefits to be gained in us ing gradient information to enhance the Progressive Proba bilistic Hough Transform(PPHT). It is shown how using the angle information in controlling the voting process and in assigning pixels correctly to a line, PPHTs performance can be significantly improved. The improved algorithm gives results vel)' close to that of the Standard Hou...
متن کاملAn Extension to Hough Transform Based on Gradient Orientation
The Hough transform is one of the most common methods for line detection. In this paper we propose a novel extension of the regular Hough transform. The proposed extension combines the extension of the accumulator space and the local gradient orientation resulting in clutter reduction and yielding more prominent peaks, thus enabling better line identification. We demonstrate benefits in applica...
متن کاملThe Hough Transform Estimator∗
This paper pursues a statistical study of the Hough transform; the celebrated computer vision algorithm used to detect the presence of lines in a noisy image. We first study asymptotic properties of the Hough transform estimator, whose objective is to find the line that “best” fits a set of planar points. In particular, we establish strong consistency, rates of convergence and characterize the ...
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ژورنال
عنوان ژورنال: IEEE Transactions on Pattern Analysis and Machine Intelligence
سال: 1998
ISSN: 0162-8828
DOI: 10.1109/34.689304