نتایج جستجو برای: quality assessment
تعداد نتایج: 1244259 فیلتر نتایج به سال:
In this chapter, we review the existing works regarding visual quality assessment in computer graphics. This broad area of research includes many subdomains which make intensive use of quality assessment and/or artefact visibility evaluation: geometry processing, rendering, HDR imaging, tone mapping and stereo vision. For each of these sub-domains, we present the existing objective quality metr...
This master’s thesis investigates the possibilities of quality assessment of sharpened images. Reliable assessment of these images is crucial for comparing the performance of particular sharpening techniques and also for finding the optimal amount of sharpening. In the thesis, fundamentals of edge detection, sharpness perception, and sharpening algorithms are given. Four of the algorithms are d...
With the growing demand for geospatial data, the aerial imagery with high spatial, spectral, and temporal resolution achieves great development. It is imperative to evaluate whether the acquired images are qualified enough, since the further image mosaic asks for strict time consistency and a re-flight involves considerable resources. In this paper, we address the problem of quick aerial image ...
The SeaWinds on QuikScat scatterometer is the first in a series of new scanning pencil-beam Ku-band scatterometers. The viewing geometry is significantly different than previous fan beam instruments, resulting in different characteristics in the retrieved winds. In this paper we provide an assessment of the reliability of the SeaWinds ambiguity selection using a SeaWinds data-only algorithm. An...
We make an intensive use of multimedia frameworks in our research on modeling the perceived quality estimation in streaming services and real-time communications. In our preliminary work, we have used the VLC VOD software to generate reference audiovisual files with various degree of coding and network degradations. We have successfully built machine learning based models on the subjective qual...
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