# CAnopy IMage ANalysis

## Documentation for package ‘rcaiman’ version 2.0.1

- DESCRIPTION file.
- Package NEWS.

## Help Pages

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