Recently, intensive emergence and spreading of 3D printing can be observed. Educational institutions become owners of desktop 3D printers implying the need of rethinking what to teach at schools at different levels. S...
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This paper presents an overview of HyperLecture, a hypertextual, gesturally-controlled lecture presentation system originally designed for teaching introductory computer programming. HyperLecture provides genuinely us...
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The surprising lack of research into one of the most common forms of human-computer interaction — command line interfaces — is noted, and reasons for this deficiency suggested. The features and inadequacies of exist...
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Barcode detection is required in a wide range of real-life applications. Imaging conditions and techniques vary considerably and each application has its own requirements for detection speed and accuracy. In our earli...
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Barcode detection is required in a wide range of real-life applications. Imaging conditions and techniques vary considerably and each application has its own requirements for detection speed and accuracy. In our earlier works we used uniform partitioning with several approaches for detection of various types of ID and 2D barcodes and showed their behaviour on a set of test images. In this work, we extend the partitioning idea and replace scan-line based methods with distance transformation to improve accuracy.
We introduce two methods to limit the reconstruction volume in binary tomography. The first one can be used when the CT scanner is equipped with a laser distance measurement device which gives information of the outer...
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We give an overview of our general framework for registering 2D and 3D objects without correspondences. Classical solutions consist in extracting landmarks, establishing correspondences and then the aligning transform...
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We consider the estimation of diffeomorphic deformations aligning a known binary shape and its distorted observation. The classical solution consists in extracting landmarks, establishing correspondences and then the ...
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The polymerization of paint changes the optical properties of a surface, such as scattering, absorption, and their phase angle dependence. Such changes can be recorded through relative albedo from a viewpoint of time ...
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Modern robots can perform uncreative monotonous tasks. One of such tasks is pile manipulation. computer vision technologies can help robots acquire additional information by analyzing a pile of complex objects. One of...
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We describe a new approach for the uncertainty problem arising in the field of discrete tomography, when the low number of projections does not hold enough information for an accurate, and reliable reconstruction. In ...
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We describe a new approach for the uncertainty problem arising in the field of discrete tomography, when the low number of projections does not hold enough information for an accurate, and reliable reconstruction. In this case the lack of information results in uncertain parts on the reconstructed image which are not determined by the projections and cannot be reliably reconstructed without additional information. We provide a method that can approximate this local uncertainty of reconstructions, and show how each pixel of the reconstructed image is determined by a set of given projections. We also give experimental results for validating our approach.
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