Real-Time Straight-Line Detection for XGA-Size Videos by Hough Transform with Parallelized Voting Procedures
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چکیده
منابع مشابه
Real-Time Straight-Line Detection for XGA-Size Videos by Hough Transform with Parallelized Voting Procedures
The Hough Transform (HT) is a method for extracting straight lines from an edge image. The main limitations of the HT for usage in actual applications are computation time and storage requirements. This paper reports a hardware architecture for HT implementation on a Field Programmable Gate Array (FPGA) with parallelized voting procedure. The 2-dimensional accumulator array, namely the Hough sp...
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Hough transform is a well-known and popular algorithm for detecting lines in raster images. The standard Hough transform is rather slow to be usable in real-time, so different accelerated and approximated algorithms exist. This paper proposes a modified accumulation scheme for the Hough transform, which makes it suitable for computer systems with small but fast read-write memory – such as the t...
متن کاملCorrigendum to "Real-time line detection through an improved hough transform voting scheme" [Pattern Recognition 41 (1) 299-314]
Clarification A vertical line in the original imagewould cause a division by zero operation that is not dealtwithin Algorithm2, line 20 ( / m′ =xu/ √ 1− x2 v in Eq. (14)). In such a case, however, the / m′ is zero, and 2 and (Eq. (13)) are also equal to zero. Thus, in practice, division by zero never actually happens. Acknowledgments: The authors would like to thank Ian (from University of Wate...
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We present a novel Hough Transform algorithm referred to as Progressive Probabilistic Hough Transform (PPHT). Unlike the Probabilistic HT [7] where Standard HT is performed on a pre-selected fraction of input points, PPHT minimises the amount of computation needed to detect lines by exploiting the difference in the fraction of votes needed t o detect reliably lines with different numbers of sup...
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The Hough transform is a well-known pattern recognition technique for finding parametric curves and general shapes in an image. This research demonstrates that it is equally well suited for real-time symbol detection. Both the parametric and generalized Hough transforms produce results of high accuracy and excellent performance in real-time video streams, compared with classical techniques such...
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ژورنال
عنوان ژورنال: Sensors
سال: 2017
ISSN: 1424-8220
DOI: 10.3390/s17020270