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Computer-Implemented System And Method For Recognizing Patterns In A Digital Image Through Document Image Decomposition
Computer-Implemented System And Method For Recognizing Patterns In A Digital Image Through Document Image Decomposition
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机译:通过文档图像分解识别数字图像中的图案的计算机实现系统和方法
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摘要
A computer-implemented system and method for retrieving a digital image through document image decomposition is provided. A stored digital image is retrieved. Generic visual features are extracted. The features are grouped into a primitive layer including word-graphs that each include words and features. The words are grouped into a layout layer including zone hypotheses that each include one or more of the words. Causal dependencies between the word-graphs and the zone hypotheses are expressed through zone models that include a joint probability defining a pair of probabilistic models generated through a learned binary edge classifier. Each pair of probabilistic models is expressed as an optimal set selection problem including a set of cost functions and constraints. The optimal set selection problem is evaluated through a heuristic search of the cost functions and constraints and a non-overlapping optimal set of the zone hypotheses is provided that characterize the stored digital image.
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