Ridges based curled textline region detection from grayscale camera-captured document images

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Volumn 5702 LNCS, Issue , 2009, Pages 173-180

  Bukhari, Syed Saqib ^a   Shafait, Faisal ^b   Breuel, Thomas M ^a,b  

^a Rheinland Pfälzische Technische Universität Kaiserslautern Landau   (Germany)

^b GERMAN RESEARCH CENTER FOR ARTIFICIAL INTELLIGENCE DFKI   (Germany)

Author keywords

Anisotropic Gaussian Smoothing; Camera Captured Document Images; Curled Textline Finding; Grayscale Document Images; Ridges

Indexed keywords

ANISOTROPIC GAUSSIAN SMOOTHING; BINARIZATIONS; CURLED TEXTLINE FINDING; DATA SETS; DETECTION ACCURACY; DEWARPING; DOCUMENT IMAGE DEWARPING; DOCUMENT IMAGE PROCESSING; DOCUMENT IMAGES; DOCUMENT IMAGING; GRAY SCALE; GRAYSCALE DOCUMENT IMAGES; IMAGE INFORMATION; MATCHED FILTER BANK; NON-CONTACT; NOVEL ALGORITHM; PRE-PROCESSING STEP; REGION DETECTION; RIDGES;

ALGORITHMS; ANISOTROPY; CAMERAS; FILTER BANKS; IMAGE ANALYSIS; IMAGE RETRIEVAL; IMAGING SYSTEMS;

DIGITAL IMAGE STORAGE;

EID: 70349305537     PISSN: 03029743     EISSN: 16113349     Source Type: Book Series    
DOI: 10.1007/978-3-642-03767-2_21     Document Type: Conference Paper

References (19)

1. Shafait, F., Keysers, D., Breuel, T.M.: Efficient implementation of local adaptive thresholding techniques using integral images. In: Proc. Document Recognition and Retrieval XV, San Jose, CA, USA, vol. 6815, p. 81510 (2008)
2. Zhang, Z., Tan, C.L.: Correcting document image warping based on regression of curved text lines. In: Proc. 7th Int. Conf. on Document Analysis and Recognition, Edinburgh, Scotland, pp. 589-593 (2003)
3. Lu, S.J., Tan, C.L.: The restoration of camera documents through image segmentation. In: Proc. 7th IAPR workshop on Document Analysis Systems, Nelson, New Zealand, pp. 484-495 (2006)
4. Fu, B., Wu, M., Li, R., Li, W., Xu, Z.: A model-based book dewarping method using text line detection. In: Proc. 2nd Int. Workshop on Camera Based Document Analysis and Recognition, Curitiba, Barazil, pp. 63-70 (2007)
5. Gatos, B., Pratikakis, I., Ntirogiannis, K.: Segmentation based recovery of arbitrarily warped document images. In: Proc. 9th Int. Conf. on Document Analysis and Recognition, Curitiba, Barazil, pp. 989-993 (2007)
6. Stamatopoulos, N., Gatos, B., Pratikakis, I., Perantonis, S.J.: A two-step dewarping of camera document images. In: Proc. 8th IAPR Workshop on Document Analysis Systems, Nara, Japan, pp. 209-216 (2008)
7. Ulges, A., Lampert, C.H., Breuel, T.M.: Document image dewarping using robust estimation of curled text lines. In: Proc. 8th Int. Conf. on Document Analysis and Recognition, Seoul, Korea, pp. 1001-1005 (2005)
8. Bukhari, S.S., Shafait, F., Breuel, T.M.: Segmentation of curled textlines using active contours. In: Proc. 8th IAPR Workshop on Document Analysis Systems, Nara, Japan, pp. 270-277 (2008)
9. Bukhari, S.S., Shafait, F., Breuel, T.M.: Coupled snakelet model for curled textline segmentation of camera-captured document images. In: Proc. 10th Int. Conf. on Document Analysis and Recognition, Barcelona, Spain (2009)
10. Bukhari, S.S., Shafait, F., Breuel, T.M.: Script-independent handwritten textlines segmentation using active contours. In: Proc. 10th Int. Conf. on Document Analysis and Recognition, Barcelona, Spain (2009)
11. Horn, B.K.P.: Shape from shading: A method for obtaining the shape of a smooth opaque object from one view. PhD Thesis, MIT (1970)
12. Riley, M.D.: Time-frequency representation for speech signals. PhD Thesis, MIT (1987)
13. Li, Y., Zheng, Y., Doermann, D., Jaeger, S.: Script-independent text line segmentation in freestyle handwritten documents. IEEE Transactions on Pattern Analysis and Machine Intelligence 30(8), 1313-1329 (2008)
14. Du, X., Pan,W., Bui, T.D.: Text line segmentation in handwritten documents using Mumford-Shah model. In: Proc. Int. Conf. on Frontiers in Handwriting Recognition, Montreal, Canada, pp. 1-6 (2008)
15. Shafait, F., Breuel, T.M.: Document image dewarping contest. In: Proc. 2nd Int. Workshop on Camera Based Document Analysis and Recognition, Curitiba, Brazil, pp. 181-188 (2007)
16. Shafait, F., Keysers, D., Breuel, T.M.: Performance evaluation and benchmarking of six page segmentation algorithms. IEEE Transactions on Pattern Analysis and Machine Intelligence 30(6), 941-954 (2008)
17. Gatos, B., Antonacopoulos, A., Stamatopoulos, N.: ICDAR 2007 handwriting segmenentation contest. In: Proc. 9th Intelligence Conf. on Document Analysis and Recognition, Curitiba, Brazil, pp. 1284-1288 (2007)
18. Shafait, F., Keysers, D., Breuel, T.M.: Pixel-accurate representation and evaluation of page segmentation in document images. In: Proc. Int. Conf. on Pattern Recognition, Hong Kong, China, August 2006, pp. 872-875 (2006)
19. Breuel, T.M.: Representations and metrics for off-line handwriting segmentation. In: Proc. 8th Int. Workshop on Frontiers in Handwriting Recognition, Ontario, Canada, pp. 428-433 (2002)