Sarah Ali

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The bacteriophage population is large, dynamic, ancient, and genetically diverse. Limited genomic information shows that phage genomes are mosaic, and the genetic architecture of phage populations remains ill-defined. To understand the population structure of phages infecting a single host strain, we isolated, sequenced, and compared 627 phages of(More)
We present an efficient algorithm for non-rigid registration of two partially overlapping 3D surfaces in which a target surface is a deformed instance of a source surface. The algorithm is implemented in two main phases. In the first phase, the robust algorithm that is used is based on a probability density estimation to find reliable correspondences(More)
A novel algorithm is proposed for extracting sharp features automatically and at optimal scale from point clouds. First, the vector between a given point and the centroid of its neighborhood at a given scale is projected on the normal at this point. This projection is called the 'projected distance' at this point. The projected distance and surface normal(More)
In this work we present a pairwise 3D vision-based inspection method for comparing locally deformable 3D models which refers to models whose parts have undergone some local deformation or change while the rest of the parts remained rigid and intact. In general, local deformations result from two types of transformations: non-volume conservative(More)
A novel algorithm is proposed for extracting sharp features automatically from scanned 3D data of man-made CAD-like objects. The input of our method consists of a mesh or an unstructured point cloud that is captured on the object surface. First, the vector between a given point and the centroid of its neighborhood at a given scale is projected on the normal(More)
In this paper a novel cyclic interface for searching through a song database is proposed. The method, which merges multiple audio streams on a server and broadcasts only a single merged stream, allows the user to hear different parts of each audio stream by cycling through all available streams. Experimental results on 21 users illustrate that the proposed(More)
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