Transition pixel: A concept for binarization based on edge detection and gray-intensity histograms

Ramírez-Ortegón, Marte A.; Tapia, Ernesto; Ramírez-Ramírez, L. Leticia; Rojas, Raúl; Cuevas, Erik

doi:10.1016/j.patcog.2009.11.006

Cited by 57 publications

(41 citation statements)

References 13 publications

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“…These play a role similar to that of the Laplacian filter used herein. Finally, various approaches have used edge detection to improve binarization results [10,20]. Although these ideas have been explored separately, the specific combination used in this work appears particularly effective.…”

Section: Prior Workmentioning

confidence: 99%

Document binarization with automatic parameter tuning

Howe

2012

IJDAR

164

150

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Document analysis systems often begin with binarization as a first processing stage. Although numerous techniques for binarization have been proposed, the results produced can vary in quality and often prove sensitive to the settings of one or more control parameters. This paper examines a promising approach to binarization based upon simple principles, and shows that its success depends most significantly upon the values of two key parameters. It further describes an automatic technique for setting these parameters in a manner that tunes them to the individual image, yielding a final binarization algorithm that can cut total error by one-third with respect to the baseline version. The results of this method advance the state of the art on recent benchmarks.

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Section: Prior Workmentioning

confidence: 99%

Document binarization with automatic parameter tuning

Howe

2012

IJDAR

164

150

View full text Add to dashboard Cite

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“…We attempt to extend the transition method proposed in [16]. The concept of t-transition pixel, t-transition set, transition value, and transition function are briefly explained.…”

Section: Article In Pressmentioning

confidence: 99%

“…The concept of transition pixel, transition set and transition function were proposed and widely explained by Ramírez-Ortegó n et al [16].…”

Section: Transition Setmentioning

confidence: 99%

“…The cross and diagonal isolate operators were successfully used in [16] in order to remove false positives of the approximated transition sets. The cross isolate operator is defined as…”

Section: Isolation Transition Operatormentioning

confidence: 99%

“…Since there is not a public standard benchmark available for binarization algorithms, we use the uniform variance (UV) measure [16] UV ¼ X…”

Section: Evaluation Measuresmentioning

confidence: 99%

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A discrete information coding matrix algorithm based on image features for tracking circulation of commodities

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For fast-consumed-commodities industry, it is usually difficult for producers to track the commodities in their circulation process, especially, when their labels have been damaged. In this paper, we develop a novel method based on channel coding theory of forward error correction (FEC) to prevent the flooding of counterfeit products with a very low cost and easy implementation. This anti-interference matrix information coding method has a strong ability to resist damage and high recovery rate, and can produce a large number of nonrepeated codes in terms of different characteristics of demand, yielding a great enhancement of anti-counterfeiting trace capacity. However, the process of reading information strongly relies on artificial means that requires a high cost and reduces the efficiency. For this reason, we propose an efficient approach for image feature extraction based on discrete information coding matrix. It takes the advantage of wearing perspective clipping method to obtain the revised image with printed matrix information and then extract the regions of interest (ROI) that carry the information about the coding matrix by working out its row and column coordinates with the center of gravity method. The matrix code recognition software is implemented. The simulation and experimental results show that the method is effective and robust. KEYWORDS FEC, image identification, Reed-Solomon codes, tracking circulation of commodityInt J Numer Model. 2019;32:e2597.wileyonlinelibrary.com/journal/jnm

show abstract

Transition pixel: A concept for binarization based on edge detection and gray-intensity histograms

Cited by 57 publications

References 13 publications

Document binarization with automatic parameter tuning

Document binarization with automatic parameter tuning

Transition thresholds and transition operators for binarization and edge detection

A discrete information coding matrix algorithm based on image features for tracking circulation of commodities

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