CAnopy IMage ANalysis

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Documentation for package ‘rcaiman’ version 2.0.1

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apply_by_direction Apply a method by direction using a constant field of view
azimuth_image Build azimuth image
binarize_by_region Regional thresholding of greyscale images
binarize_with_thr Binarize with known thresholds
calc_diameter Calculate diameter
calc_relative_radius Calculate relative radius
calc_spherical_distance Calculate spherical distance
calc_zenith_colrow Calculate zenith raster coordinates
calibrate_lens Calibrate lens
chessboard Perform chessboard segmentation
cie_image CIE sky image
cie_table Set of 15 CIE Standard Skies
complementary_gradients Calculate complementary gradients
compute_canopy_openness Calculate canopy openness
conventional_lens_image Generate conventional-lens-like image
correct_vignetting Correct vignetting effect
crop_caim Crop a canopy image
crosscalibrate_lens Cross-calibrate lens
defuzzify Defuzzify a fuzzy classification
display_caim Display a canopy image
estimate_sun_angles Estimate sun angular coordinates
expand_noncircular Expand non-circular
extract_dn Extract digital numbers from sky points
extract_feature Extract feature
extract_radiometry Extract radiometry data for calibration
extract_rr Extract digital numbers at sky points and normalize by estimated zenith radiance
extract_sky_points Extract sky points
fisheye_to_equidistant Fisheye to equidistant
fisheye_to_pano Fisheye to panoramic
fit_cie_model Fit CIE sky model
fit_coneshaped_model Fit cone-shaped model
fit_trend_surface Fit a trend surface to sky digital numbers
grow_black Grow black regions in a binary mask
hsp_compat HSP compatibility functions
hsp_read_manual_input HSP compatibility functions
hsp_read_opt_sky_coef HSP compatibility functions
hsp_write_sky_points HSP compatibility functions
hsp_write_sun_coord HSP compatibility functions
interpolate_planar Interpolate in planar space
interpolate_spherical Interpolate in spherical space
invert_gamma_correction Gamma back correction of JPEG images
lens Access the lens database
normalize_minmax Normalize data using min-max rescaling
ootb_bin Out-of-the-box reliable binarized image
ootb_sky_above Out-of-the-box above-canopy sky
ootb_sky_cie Out-of-the-box CIE sky model and raster
optim_dist_to_black Optimize minimum distance to black pixels
optim_sun_angles Optimize sun angular coordinates
paint_with_mask Paint with mask
polar_qtree Generate polar quadtree segmentation
read_bin Write and read binarized images
read_caim Read a canopy image from a file
read_caim_raw Read a canopy image from a raw file
read_sky_cie Write and read out-of-the-box CIE sky model and raster
rem_isolated_black_pixels Remove isolated black pixels
rem_nearby_points Remove nearby sky points
rem_outliers Remove statistical outliers in sky points
ring_segmentation Assign zenith-ring labels
row_col_from_zenith_azimuth Map between zenith–azimuth angles and raster coordinates
sector_segmentation Assign azimuth-sector labels
select_sky_region Select sky region
sky_grid_centers Map sky-grid centers to raster coordinates
sky_grid_segmentation Assign sky-grid labels
test_lens_coef Test lens projection function
thr_isodata Compute IsoData threshold
thr_mblt Compute model-based thresholds
thr_twocorner Compute two-corner thresholds
validate_cie_model Validate CIE sky models
write_bin Write and read binarized images
write_caim Write canopy image
write_sky_cie Write and read out-of-the-box CIE sky model and raster
zenith_azimuth_from_row_col Map between zenith–azimuth angles and raster coordinates
zenith_image Build Zenith image