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Malicious Input through Buffer Overflow (MiBO) vulnerabilities play important roles in cyber security. To identify MiBO vulnerabilities, white-box testing approaches analyze instructions in all possible execution paths. Black-box testing approaches try to trigger MiBO vulnerabilities using different inputs. However, only limited coverage can be achieved: the identified MiBO vulnerabilities, when being...
Heterogeneous multi-core systems that contain multiple CPUs and GPUs are gaining momentum, as they are providing different computation power to meet the performance demand of modern applications. On such systems, developers try to fully utilize the computation power both for CPU and GPU by using the emerging programming models such as CUDA and OpenCL. To achieve the maximal performance, developers...
In this paper we investigate the importance of individual features for the task of document layout analysis, in particular for the classification of the document pixels. The feature set consists of numerous state-of-the-art features, including color, gradient, and local binary patterns (LBP). To deal with the high dimensionality of the feature set, we propose a cascade of an adapted forward selection...
In this paper we present a physical structure detection method for historical handwritten document images. We considered layout analysis as a pixel labeling problem. By classifying each pixel as either periphery, background, text block, or decoration, we achieve high quality segmentation without any assumption of specific topologies and shapes. Various color and texture features such as color variance,...
In this paper we propose a novel hybrid feature selection method for historical Document Image Analysis (DIA). Adapted greedy forward selection and genetic selection are used in a cascading way. We apply the proposed method to the task of historical document layout analysis on three handwritten datasets of diverse nature. The documents contain complex layouts, different handwriting styles, and several...
Page segmentation is still a challenging problem due to the large variety of document layouts. Methods examining both foreground and background regions are among the most effective to solve this problem. However, their performance is influenced by the implementation of two key steps: the extraction and selection of background regions, and the grouping of background regions into separators. This paper...
Dynamic Binary Translation (DBT) is widely used, but it suffers from substantial overhead. Several methods are taken to improve its performance, such as linking/chaining, building super block according to profiling and/or tracing. Reorganizing code layout of software cache can also improve performance on the ground that the execution stream will be more approximate to its control flow. Once the target...
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