We present an algorithm suitable for real-time, high quality rendering of complex objects. Objects are represented as a dense set of surface point samples which contain colour, depth and normal information. These point samples are obtained by sampling orthographic views on an equilateral triangle lattice. They are rendered directly and independently without any knowledge of surface topology. We...

This study, following up on work on Dutch by Warner, Jongman, Sereno, and Kemps (2004), investigates the influence of orthographic distinctions and underlying morphological distinctions on the small sub-phonemic durational differences that have been called incomplete neutralization. One part of the previous work indicated that an orthographic geminate/singleton distinction could cause speakers ...

from among the arabic alphabet, hamza is the only vowel with four orthographic variations of (alone), (above a w?w), (above and under an ‘alif) and (above a dotless y?). such an orthographic variation for hamza has caused spelling problems for writers mainly those who write in both arabic and persian. the present article is to reach the following objectives: 1. introducing the right orthography...

This study was aimed at determining the reading mechanisms used by deaf adults who had completed secondary or higher education. Our main hypothesis was that they used a reading strategy consisting of identifying (some of) the key words of sentences and deriving an overall representation of their meaning. All the predictions derived from this hypothesis were supported by the results. In addition...

NLP applications for learners often rely on annotated learner corpora. Thereby, it is important that the annotations are both meaningful for the task, and consistent and reliable. We present a new longitudinal L1 learner corpus for German (handwritten texts collected in grade 2–4), which is transcribed and annotated with a target hypothesis that strictly only corrects orthographic errors, and i...

When investigating the recovery of three-dimensional structure-from-motion (SFM), vision scientists often assume that scaled-orthographic projection, which removes effects due to depth variations across the object, is an adequate approximation to full perspective projection. This is so even though SFM judgements can, in principle, be improved by exploiting perspective projection of scenes on to...

This paper introduces a novel depth recovery method based on light absorption in water. Water absorbs light at almost all wavelengths whose absorption coefficient is related to the wavelength. Based on the Beer-Lambert model, we introduce a bispectral depth recovery method that leverages the light absorption difference between two nearinfrared wavelengths captured with a distant point source an...

The central hypothesis in the theory of resource-bounded measure 6] is the assertion that NP does not have measure 0 in Exponential Time. This is a quantitative strengthening of the assertion that NP does not equal P. We show that the analog in P of this hypothesis fails dramatically. In fact, we show that nondeterministic time n to the power (1=11) has measure zero in P. These follow as conseq...

Four experiments related human perception of depth-order relations in structure-from-motion displays to current Euclidean and affine theories of depth recovery from motion. Discrimination between parallel and nonparallel lines and relative-depth judgments was observed for orthographic projections of rigidly oscillating random-dot surfaces. We found that (1) depth-order relations were perceived ...