نتایج جستجو برای: cosecant squared pattern
تعداد نتایج: 379167 فیلتر نتایج به سال:
In this paper we present a perceptual distortion mea sure that predicts image integrity far better than mean squared error This perceptual distortion measure is based on a model of human visual processing that ts empirical measurements of the psychophysics of spatial pattern de tection The model of human visual processing proposed involves two major components a steerable pyramid trans form and...
9 Half-hour latent heat flux (LE) was measured over an early-maturing peach orchard 10 (Prunus persica L.) by two different hygrometers: 1) infrared gas analyzer (IRGA) (Li11 COR, model Li-7500); and 2) ultraviolet hygrometer (Campbell, KH20). A good 12 agreement between LE obtained with the IRGA (LEIRGA) and the KH20 (LEKH20) 13 hygrometers was observed. During rainy periods, LEIRGA and LEKH20...
The main goal of the Soil Moisture and Ocean Salinity (SMOS) mission over land surfaces is the production of global maps of soil moisture (SM) and vegetation optical depth (τ) based on multi-angular brightness temperature (TB) measurements at L-band. The operational SMOS Level 2 and Level 3 soil moisture algorithms account for different surface effects, such as vegetation opacity and soil rough...
The goal of this paper is to analyze the relation between the visual distinctness and the priority assigned to the information in two di2erent progressive transmission schemes: the Set Partitioning in Hierarchical Trees (SPIHT) and the Rational Embedded Wavelet Image Coding (REWIC). SPIHT assigns priority based on the mean squared-error (MSE) distortion measure. REWIC quanti;es the visual disti...
Traditional photogrammeric workstations for georeferencing images are usually timeand human resource-consuming, input dat a source specific, and lack of flexibility to use in a generalized triangulation problem. These characteristics have made them inadequate to be used in case of emergency. The approach presented in this paper started after Chi-Chi Earthquake of Richter Magnitude 7.3 struck ce...
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