Forage quality in grassland-savanna ecosystems support high biomass of both wild ungulates and domestic livestock. Forage quality is however variable in both space and time. In this study findings from ecological and laboratory studies, focused on assessing forage quality, are combined to evaluate the feasibility of a remote sensing approach for predicting the spatial and temporal variations in...

In a parametric statistical model, a function of the data is said to be ancillary if its distribution does not depend on the parameters in the model. The concept of ancillary statistics is one of R. A. Fisher’s fundamental contributions to statistical inference. Fisher motivated the principle of conditioning on ancillary statistics by an argument based on relevant subsets, and by a closely rela...

The geographic characteristics of the territory determine the spatial distribution of land uses and are considered as essential clues by photo-interpreters to determine the land uses. Parcel-based classification of high-resolution images is one of the most reliable alternatives for the automatic updating of land use geospatial databases. Each parcel can be characterized by means of a set of fea...

This thesis describes a mosaicking system designed to generate image mosaics that facilitate size estimation of 3-dimensional objects by improving data obtained with a multi-sensor video camera. The multi-sensor camera is equipped with a pulse laser-rangefinder and internally mounted inclinometers that measure instrument orientation about three axes. Using orientation data and video data, mosai...

Detection of brain tissues using magnetic resonance imaging (MRI) is an active and challenging research area in computational neuroscience. Brain MRI artifacts lead to an uncertainty in pixel values. Therefore, brain MRI segmentation is a complicated concern which is tackled by a novel data fusion approach. The proposed algorithm has two main steps. In the first step the brain MRI is divided to...

Background: Streptococcus agalactiae is the main causal pathogen of bovine mastitis (BM), causing considerable economic loss to the dairy industry worldwide. Vaccines against S. agalactiae play an important role in preventing disease. Aims: The aim of this study was to evaluate the immunoprotection of S. agalactiae pilus isla...