This paper presents a scheme to detect building regions, followed by a reconstruction procedure. Airborne LIDAR data and aerial imagery are integrated in the proposed scheme. In light of the different buildings, we target the ones with straight and curvilinear boundaries. In the detection stage, a region-based segmentation and object-based classification are integrated. In the building reconstr...

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We present a computational framework for the detection of unknown objects in a 3D environment. It is based on a visual attention system that detects proto-objects which are improved by iterative segmentation steps. At the same time a 3D scene model is built from measurements of a depth camera. The detected proto-objects are projected into the 3D scene, resulting in 3D object models which are in...

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Inhomogenities in the sea ice motion field cause deformation zones, such as leads, cracks and pressure ridges. Due to their long and often narrow shape, those structures are referred to as Linear Kinematic Features (LKFs). In this paper we specifically address the identification and characterization of variations and discontinuities in the spatial distribution of the total deformation, which ap...

In this paper we describe the implementation of an Arabic error correction system developed for the WANLP-2015 shared task on automatic error correction for Arabic text. We proposed improvements to a previous statistical rule based system, where we use the words patterns to improve the error correction, also we have used a statistical system the syntactic error correction rules. The system achi...

This paper presents an image retrieval method based on keyblocks combing with interest points, furthermore the generation of codebook is also utilized to enhance the retrieval performance, where the balance between the retrieved precision and time cost can decide the codebook size of this CBIR system. Finally, the proposed method is compared with the method that only depends on interest points ...

Interactive simulation is made possible in many applications by simplifying or culling the finer details that would make real-time performance impossible. This paper examines detail simplification in the specific problem of collision handling for rigid body animation. We present an automated method for calculating consistent collision response at different levels of detail. The mechanism works ...

We present crowdsourced collection of error annotations for transcriptions of spoken learner English. Our emphasis in data collection is on fluency corrections, a more complete correction than has traditionally been aimed for in grammatical error correction research (GEC). Fluency corrections require improvements to the text, taking discourse and utterance level semantics into account: the resu...