#include <iostream>
#include <fstream>
#include <utility>
#include <random>
#include <vector>
#include <string>
#include <mutex>
#include <cmath>
#include <map>
#include <format.h>
#include "lib/feature_points.h"
#include "lib/image_correspondence.h"
#include "../lib/args.h"
#include "../lib/json.h"
#include "../lib/filesystem.h"
#include "../lib/dataset.h"
#include "../lib/opencv.h"
#include "../lib/image_io.h"

Classes
struct	flow_state

Typedefs
using	local_feature_index = std::ptrdiff_t

using	correspondence_key_type = std::pair< local_feature_index, view_index >

using	correspondences_type = std::map< correspondence_key_type, vec2 >

Functions
const cv::Size	horizontal_optical_flow_window_size (20, 20)

const cv::Size	vertical_optical_flow_window_size (20, 20)

correspondence_key_type	cor_key (local_feature_index i, const view_index &idx)

void	print_flow_indicator (const view_index &origin_idx, const view_index &dest_idx)

void	add_correspondences (correspondences_type &cors, const flow_state &state)

cv::Mat_< uchar >	load_image (const dataset_group &datag, const view_index &idx, bool must_exist)

flow_state	flow_to (flow_state &origin_state, view_index dest_idx, const dataset_group &datag, const cv::Size &window_size, bool may_skip)

void	do_horizontal_optical_flow (correspondences_type &cors, const view_index &reference_idx, const flow_state &mid_x_state, const dataset_group &datag, bool verb=false)

correspondences_type	do_2d_optical_flow (const dataset_group &datag, const view_index &reference_idx, const std::vector< vec2 > &reference_points)

int	main (int argc, const char *argv[])

Variables
constexpr bool	verbose = false

constexpr real	max_flow_err = 4.0

constexpr real	min_distance_between_features = 60

constexpr int	max_pyramid_level = 3

int	horizontal_outreach

int	vertical_outreach

Typedef Documentation

using correspondence_key_type = std::pair<local_feature_index, view_index>

Definition at line 58 of file cg_optical_flow_cors.cc.

using correspondences_type = std::map<correspondence_key_type, vec2>

Definition at line 59 of file cg_optical_flow_cors.cc.

using local_feature_index = std::ptrdiff_t

Definition at line 57 of file cg_optical_flow_cors.cc.

Function Documentation

void add_correspondences	(	correspondences_type &	cors,
		const flow_state &	state
	)

Definition at line 78 of file cg_optical_flow_cors.cc.

correspondence_key_type cor_key	(	local_feature_index	i,
		const view_index &	idx
	)

inline

Definition at line 61 of file cg_optical_flow_cors.cc.

correspondences_type do_2d_optical_flow	(	const dataset_group &	datag,
		const view_index &	reference_idx,
		const std::vector< vec2 > &	reference_points
	)

Definition at line 207 of file cg_optical_flow_cors.cc.