Calculates the elongation of a shape
Source
Rosin PL. 2005. Computing global shape measures.
Handbook of Pattern Recognition and Computer Vision. 177-196.
Arguments
- coo
a matrix of (x; y) coordinates.
Value
numeric, the eccentricity of the bounding box
See also
Other coo_ descriptors:
coo_angle_edges(),
coo_angle_tangent(),
coo_area(),
coo_boundingbox(),
coo_chull(),
coo_circularity(),
coo_convexity(),
coo_eccentricity,
coo_length(),
coo_lw(),
coo_rectangularity(),
coo_rectilinearity(),
coo_scalars(),
coo_solidity(),
coo_tac(),
coo_width()
Examples
coo_elongation(bot[1])
#> [1] 0.7444101
# on Coo
# for speed sake
bot %>% slice(1:3) %>% coo_elongation
#> $brahma
#> [1] 0.7444101
#>
#> $caney
#> [1] 0.7382738
#>
#> $chimay
#> [1] 0.6255502
#>
