API for couplr
Optimal Pairing and Matching via Linear Assignment

Global functions
%>% Man page
.analyze_tiling Source code
.assemble_assignment Source code
.benchmark_square_tiling Source code
.build_spatial_assignments_for_pairs Source code
.call_or Source code
.clamp_rgb Source code
.cpp_compute_pixel_cost Source code
.cpp_downscale Source code
.cpp_extract_patches Source code
.cpp_overlap Source code
.cpp_palette_info Source code
.cpp_render_morph Source code
.cpp_spatial_cost Source code
.cpp_upscale_assignment Source code
.downscale_both Source code
.exact_cost_and_solve Source code Source code
.expand_patch_assignment Source code
.fill_unassigned_identity Source code
.from_planar_rgb Source code Source code
.generate_square_tiles Source code Source code
.gif_delay_from_fps Source code
.has_namespace Source code
.lap_assign Source code
.palette_pairs_identity Source code
.palette_pairs_lap Source code
.patch_cost_matrix Source code
.recursive_tiling_solver Source code
.solve_color_match_pipeline Source code
.solve_color_walk_pipeline Source code Source code
.solve_hierarchical_patch_pipeline_v2 Source code
.solve_tile_lap Source code
.square_tiling_solver Source code Source code
.to_array_rgb Source code
.to_planar_rgb Source code
.upscale_assignment Source code
.visualize_tiling Source code
BIG_COST Man page
`%||%` Source code Source code Source code
analyze_color_overlap_cpp Source code
apply_all_constraints Man page Source code
apply_calipers Man page Source code
apply_max_distance Man page Source code
apply_scaling Man page Source code
apply_weights Man page Source code
as_assignment_matrix Man page Source code
assign_blocks_cluster Man page Source code
assign_blocks_group Man page Source code
assignment Man page Source code
assignment_duals Man page Source code
augment Man page Source code
augment.matching_result Man page Source code
auto_encode_categorical Man page Source code
balance_diagnostics Man page Source code
balance_table Man page Source code
bottleneck_assignment Man page Source code
build_cost_matrix Man page Source code
calculate_var_balance Man page Source code
can_parallelize Man page Source code
check_cost_distribution Man page Source code
check_full_matching Man page Source code
check_variable_health Man page Source code
color_palette_info_cpp Source code
compute_distance_matrix Man page Source code
compute_distances Man page Source code
compute_pixel_cost_cpp Source code
count_valid_pairs Man page Source code
couplr Man page
couplr-package Man page
couplr_emoji Man page Source code
couplr_inform Man page Source code
couplr_messages Man page
couplr_stop Man page Source code
couplr_success Man page Source code
couplr_warn Man page Source code
detect_blocking Man page Source code
diagnose_distance_matrix Man page Source code
downscale_image_cpp Source code
err_invalid_param Man page Source code
err_missing_data Man page Source code
err_missing_vars Man page Source code
err_no_valid_pairs Man page Source code
example_costs Man page
example_df Man page
extract_ids Man page Source code
extract_matching_vars Man page Source code
filter_blocks Man page Source code
get_block_id_column Man page Source code
get_method_used Man page Source code
get_total_cost Man page Source code
greedy_blocks_parallel Man page Source code
greedy_couples Man page Source code
greedy_couples_blocked Man page Source code
greedy_couples_from_distance Man page Source code
greedy_couples_single Man page Source code
greedy_matching Source code
greedy_matching_pq Source code
greedy_matching_row_best Source code
greedy_matching_sorted Source code
group_by Man page
has_blocks Man page Source code
has_valid_pairs Man page Source code
hospital_staff Man page
info_low_match_rate Man page Source code
is_distance_object Man page Source code
is_lap_solve_batch_result Man page Source code
is_lap_solve_kbest_result Man page Source code
is_lap_solve_result Man page Source code
join_matched Man page Source code
kbest_assignment Source code
lap_kbest_lawler Source code
lap_kbest_murty Source code
lap_prepare_cost_matrix Source code
lap_solve Man page Source code
lap_solve_auction Source code
lap_solve_auction_gs Source code
lap_solve_auction_scaled Source code
lap_solve_auction_scaled_params Source code
lap_solve_batch Man page Source code
lap_solve_batch_grouped Source code
lap_solve_bottleneck Source code
lap_solve_bruteforce Source code
lap_solve_csa Source code
lap_solve_csflow Source code
lap_solve_cycle_cancel Source code
lap_solve_df Source code
lap_solve_gabow_tarjan Source code
lap_solve_grouped Source code
lap_solve_hk01 Source code
lap_solve_hungarian Source code
lap_solve_jv Source code
lap_solve_jv_duals Source code
lap_solve_kbest Man page Source code
lap_solve_kbest_df Source code
lap_solve_lapmod Source code
lap_solve_line_metric Man page Source code
lap_solve_line_metric_cpp Source code
lap_solve_network_simplex Source code
lap_solve_network_simplex_wrapper Source code
lap_solve_orlin Source code
lap_solve_push_relabel Source code
lap_solve_ramshaw_tarjan Source code
lap_solve_sinkhorn Source code
lap_solve_ssap_bucket Source code
lap_solve_ssp Source code
mark_forbidden_pairs Man page Source code
match_blocks_parallel Man page Source code
match_couples Man page Source code
match_couples_blocked Man page Source code
match_couples_from_distance Man page Source code
match_couples_single Man page Source code
matchmaker Man page Source code
morph_pixel_level_cpp Source code
oa_solve Source code
parallel_lapply Man page Source code
pixel_morph Man page Source code
pixel_morph_animate Man page Source code
plot.balance_diagnostics Man page Source code
plot.matching_result Man page Source code
prepare_cost_matrix Source code
preprocess_matching_vars Man page Source code
print.assignment_duals_result Source code
print.balance_diagnostics Man page Source code
print.bottleneck_result Source code
print.distance_object Man page Source code
print.lap_line_metric_result Source code
print.lap_solve_batch_result Man page Source code
print.lap_solve_kbest_result Man page Source code
print.lap_solve_result Man page Source code
print.matching_result Man page Source code
print.matchmaker_result Man page Source code
print.preprocessing_result Man page Source code
print.summary.balance_diagnostics Source code
print.summary.matching_result Source code
print.variable_health Man page Source code
restore_parallel Man page Source code
setup_parallel Man page Source code
sinkhorn Man page Source code
sinkhorn_round Source code
sinkhorn_to_assignment Man page Source code
spatial_cost_matrix_cpp Source code
standardized_difference Man page Source code
success_good_balance Man page Source code
suggest_scaling Man page Source code
summarize_blocks Man page Source code
summary.balance_diagnostics Man page Source code
summary.distance_object Man page Source code
summary.lap_solve_kbest_result Man page Source code
summary.matching_result Man page Source code
update_constraints Man page Source code
upscale_assignment_cpp Source code
use_emoji Man page Source code
validate_calipers Man page Source code
validate_cost_data Man page Source code
validate_matching_inputs Man page Source code
validate_weights Man page Source code
warn_constant_distance Man page Source code
warn_constant_var Man page Source code
warn_extreme_costs Man page Source code
warn_many_forbidden Man page Source code
warn_many_zeros Man page Source code
warn_parallel_unavailable Man page Source code
warn_poor_quality Man page Source code
couplr documentation built on Jan. 20, 2026, 5:07 p.m.