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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 10 of 10 1 Performance evaluation : theory, practice, and impact Kanungo, Tapas (Hrsg.); Baird, Henry S. (Hrsg.); Haralick, Robert M. (Hrsg.)... In: International journal on document analysis and recognition. - Berlin ; Heidelberg : Springer 4 (2002) 3, 139-217 BLLDB Show details 2 Attributed point matching for automatic groundtruth generation Kim, Doe-Wan; Kanungo, Tapas In: International journal on document analysis and recognition. - Berlin ; Heidelberg : Springer 5 (2002) 1, 47-66 OLC Linguistik Show details 3 Software architecture of PSET: a page segmentation evaluation toolkit Mao, Song; Kanungo, Tapas In: International journal on document analysis and recognition. - Berlin ; Heidelberg : Springer 4 (2001) 3, 205 OLC Linguistik Show details 4 Special Issue on "Performance Evaluation: Theory, Practice, and Impact" Kanungo, Tapas; Baird, Henry S.; Haralick, Robert M. In: International journal on document analysis and recognition. - Berlin ; Heidelberg : Springer 4 (2001) 3, 139 OLC Linguistik Show details 5 Morphological Degradation Models and their Use in Document Image Restoration Zheng, Qigong; Kanungo, Tapas In: DTIC (2001) BASE Show details 6 A Downhill Simplex Algorithm for Estimating Morphological Degradation Model Parameters Kanungo, Tapas; Zheng, Qigong In: DTIC (2001) Abstract: Noise models are crucial for designing image restoration algorithms, generating synthetic training data, and predicting algorithm performance. However, to accomplish any of these tasks, an estimate of the degradation model parameters is essential. In this paper we describe a parameter estimation algorithm for a morphological, binary image degradation model. The inputs to the estimation algorithm are i) the degraded image, and ii) information regarding the font type (italic, bold, serif, sans serif). We simulate degraded images and search for the optimal parameter by looking for a parameter value for which the neighborhood pattern distributions in the simulated image and the given degraded image are most similar. The parameter space is searched using the Nelder-Mead downhill simplex algorithm. We use the p-value of the kolmogorov-Smirnov test for the measure of similarity between the two neighborhood pattern distributions. We show results of our algorithm on degraded document images. ; The original document contains color images. Sponsored in part by NSF grant IIS9987944. Additonal report CS-TR-4219. Keyword: *ALGORITHMS; *DEGRADATION; *DOWNHILL SIMPLEX; *IMAGE RESTORATION; *MORPHOLOGY; *PARAMETERS; ESTIMATES; Linguistics; NOISE; Numerical Mathematics; Optics; OPTIMIZATION; SIMULATION; SYNTHESIS; TRAINING URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA458745 http://www.dtic.mil/docs/citations/ADA458745 BASE Hide details 7 The Architecture of TrueViz: A Groundtruth/Metadata Editing and Visualizing Toolkit Lee, Chang Ha; Kanungo, Tapas In: DTIC (2001) BASE Show details 8 Full-Text Access to Historical Newspapers Kanungo, Tapas; Allen, Robert B. In: DTIC (1999) BASE Show details 9 A Statistical, Nonparametric Methodology for Document Degradation Model Validation Kanungo, Tapas; Haralick, Robert; Baird, Henry... In: DTIC (1999) BASE Show details 10 The Bible, Truth, and Multilingual OCR Evaluation Kanungo, Tapas; Resnik, Philip In: DTIC (1998) BASE Show details

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