A fast approach to the detection and correction of skew documents

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Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/29189

Title:	A fast approach to the detection and correction of skew documents
Authors:	Jiang,HF;Han,CC;Fan,KC
Contributors:	資訊工程研究所
Date:	1997
Issue Date:	2010-06-29 20:15:54 (UTC+8)
Publisher:	中央大學
Abstract:	In this paper, a fast approach is proposed to detect and correct skew documents. A coarse skew angle theta(c) is first estimated and then the exact skew angle theta is determined by making use of the Hough transform. Besides, a skew bitmapped binary image can be quickly corrected by decomposing the traditional geometric rotation process into a translation and a local rotation process. Experimentation on a wide variety of documents verifies the validity and efficiency of the proposed approach in detecting and correcting skew bitmapped binary images. (C) 1997 Elsevier Science B.V.
Relation:	PATTERN RECOGNITION LETTERS
Appears in Collections:	[Graduate Institute of Computer Science and Information Engineering] journal & Dissertation

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