Mean image-to-image mis-registration errors (STD, standard deviation of five distance differences (meters) for each pasture; SE, standard error) across 5 points in the X and Y directions for eight pastures.

<p>Mean image-to-image mis-registration errors (STD, standard deviation of five distance differences (meters) for each pasture; SE, standard error) across 5 points in the X and Y directions for eight pastures.</p

The percent correct (P_correct), the percent omission (P_omiss), and the percent of commission (P_commiss) for counting animals from a differencing process between two images acquired on a single day.

<p>^1. (Correctly mapped polygons a/Known number of animals in pasture).</p><p>^2. (Missed Animals/Known number of animals in pasture).</p><p>^3. (Incorrectly mapped polygons/Number of mapped polygons).</p

Section of pasture 29 depicting 22 known animals.

<p>Figure A is the 1^st principal component of the first image acquired (T1), figure B is the 1^st principal component of the second image acquired (T2), and figure C is the differenced image resulting from subtracting T1 from T2.</p