Abstract
Ground Moving Target Indicator (GMTI) and High Resolution Radar (HRR) can track position and velocity of ground moving target. Pose, angle between position and velocity, can be derived from kinematics estimates of position and velocity and it is often used to reduce the search space of a target identification (ID) and Automatic Target Recognition (ATR) algorithms. Due to low resolution in some radar systems, the GMTI estimated pose may exhibit large errors contributing to a faulty identification of potential targets. Our goal is to define new methodology to improve pose estimate. Besides applications in target tracking, there are numerous commercial applications in machine learning, augmented reality and body tracking.
Highlights
Due to increased environmental contamination, humans and other living beings are increasingly exposed to a large amount of chemicals that can have a negative effect on genetic material
The study showed concentration-dependent effects on mitotic index (MI) of Allium cepa root tip meristem cells treated with different concentrations of fromilid (100, 500 and 1000 μg/ml) in time periods of 4, 8 and 12 hours, comparing to group of control cells
Allium cepa root tip meristem cells treated with fromilid solutions (100μg/ml conc./4 and 8 hours; 500μg/ml /4 hours time periods) showed decrease in MI compared to control group of cells
Summary
Due to increased environmental contamination, humans and other living beings are increasingly exposed to a large amount of chemicals that can have a negative effect on genetic material. Many can be classified as genotoxic factors or genotoxins. Genotoxins are chemical, physical and biological agents that disturb the structure, organization and functioning of genetic material or changing cellular processes vital for integrity and/or function of a genome. Such effect of genotoxins is known as genotoxicity. Genotoxic factors can be classified as biological (e.g. bacterial decomposition products, certain viruses etc.), physical (e.g. ionizing and non-ionizing radiation, extreme temperature variations etc.), chemical factors (e.g. alkylating agens, nitrogenous bases analogs, drugs etc.). Accent was on chemical factors from group of drugs (fromilid and methotrexate); (Sofradzija et al, 1989)
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