sequence_processing.h File Reference

Header functions for the sequence_processing.cpp. More...

#include <stdio.h>
#include <iostream>
#include <fstream>
#include <omp.h>
#include <armadillo>
#include <opencv2/core/core.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/nonfree/nonfree.hpp>
#include <opencv2/calib3d/calib3d.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include "definitions/experiment_struct.h"
#include "file_operations.h"

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Functions
bool	findIntermediateHomographyMatrix (const int d, const int D, const int N, const cv::Mat &frame_i, const cv::Mat &frame_master_pre, const cv::Mat &frame_master_pos, cv::Mat &homography_matrix_result)
	Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the plans of frame_master_pre and frame_master_pre with relation of the distance between them. More...
bool	findIntermediateHomographyMatrix (const int d, const int D, const int N, const cv::Mat &frame_i, const std::vector< cv::KeyPoint > &keypoints_master_pre, const std::vector< cv::KeyPoint > &keypoints_master_pos, const cv::Mat &descriptors_master_pre, const cv::Mat &descriptors_master_pos, cv::Mat &homography_matrix_result)
	Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the frames related to the previous and posterior master, with respect to the distance between them. More...
bool	findIntermediateHomographyMatrix (const float s, const float S, const cv::Mat &frame_i, const std::vector< cv::KeyPoint > &keypoints_master_pre, const std::vector< cv::KeyPoint > &keypoints_master_pos, const cv::Mat &descriptors_master_pre, const cv::Mat &descriptors_master_pos, cv::Mat &homography_matrix_result)
	Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the frames related to the previous and posterior master, with respect to the distance between them. More...
int	selectNewFrame (const int d, const int D, const int N, const int index, const int index_previous, const int index_posterior, const std::vector< cv::KeyPoint > &keypoints_master_pre, const std::vector< cv::KeyPoint > &keypoints_master_pos, const cv::Mat &descriptors_master_pre, const cv::Mat &descriptors_master_pos, const cv::Rect &crop_area, const EXPERIMENT &experiment_settings, cv::Mat &new_frame)
	Function that selects a new frame in the original video using the values of semantic information of the transition from the frame_src to the frame_dst calculted by MATLAB and saved in a CSV file, the area ratio of the iamge after apply the homography transformation and the RANSCAC inliers from the previous and posterior frames that compose the reduced video. More...
int	selectNewFrame (const float s, const float S, const int index, const int index_previous, const int index_posterior, const std::vector< cv::KeyPoint > &keypoints_master_pre, const std::vector< cv::KeyPoint > &keypoints_master_pos, const cv::Mat &descriptors_master_pre, const cv::Mat &descriptors_master_pos, const cv::Rect &crop_area, const EXPERIMENT &experiment_settings, cv::Mat &new_frame)
	Function that selects a new frame in the original video using the values of semantic information of the transition from the frame_src to the frame_dst calculted by MATLAB and saved in a CSV file, the area ratio of the iamge after apply the homography transformation and the RANSCAC inliers from the previous and posterior frames that compose the reduced video. More...

Detailed Description

Header functions for the sequence_processing.cpp.

Function Documentation

bool findIntermediateHomographyMatrix	(	const int	d,
		const int	D,
		const int	N,
		const cv::Mat &	frame_i,
		const cv::Mat &	frame_master_pre,
		const cv::Mat &	frame_master_pos,
		cv::Mat &	homography_matrix_result
	)

Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the plans of frame_master_pre and frame_master_pre with relation of the distance between them.

Parameters

d	- distance between the current frame and the previous master frame.
D	- distance between previous master frame and the posterior master frame.
N	- size of the segments.
frame_i	- current image.
frame_master_pre	- image of the previous master frame.
frame_master_pos	- image of the posterior master frame.
homography_matrix_result	- object to save the result homography matrix.

Returns

bool true - if there is enough points in both images and good matches between them to find a homography matrix.
bool false - if there is not enough points in both images or good matches between them to find a homography matrix.

Author

Michel Melo da Silva

Date

04/04/2016

Parameters

d	- distance between the current frame and the previous master frame.
D	- distance between previous master frame and the posterior master frame.
N	- size of the segments.
frame_i	- current frame.
frame_master_pre	- image of the previous master frame.
frame_master_pos	- image of the posterior master frame.
homography_matrix_result	- object to save the result homography matrix.

Returns

bool true - if there is enough points in both images and good matches between them to find a homography matrix.
bool false - if there is not enough points in both images or good matches between them to find a homography matrix.

Author

Michel Melo da Silva

Date

04/04/2016

bool findIntermediateHomographyMatrix	(	const int	d,
		const int	D,
		const int	N,
		const cv::Mat &	frame_i,
		const std::vector< cv::KeyPoint > &	keypoints_master_pre,
		const std::vector< cv::KeyPoint > &	keypoints_master_pos,
		const cv::Mat &	descriptors_master_pre,
		const cv::Mat &	descriptors_master_pos,
		cv::Mat &	homography_matrix_result
	)

Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the frames related to the previous and posterior master, with respect to the distance between them.

Parameters

d	- distance between the current frame and the previous master frame.
D	- distance between previous master frame and the posterior master frame.
N	- size of the segments.
frame_i	- current frame.
keypoints_master_pre	- keypoints of the previous master.
keypoints_master_pos	- keypoints of the posterior master.
descriptors_master_pre	- descriptors of the previous master.
descriptors_master_pos	- descriptors of the posterior master.
homography_matrix_result	- object to save the result homography matrix.

Returns

bool true - if there is enough points in both images and good matches between them to find a homography matrix.
bool false - if there is not enough points in both images or good matches between them to find a homography matrix.

Author

Washington Luis de Souza Ramos

Date

30/08/2016

bool findIntermediateHomographyMatrix	(	const float	s,
		const float	S,
		const cv::Mat &	frame_i,
		const std::vector< cv::KeyPoint > &	keypoints_master_pre,
		const std::vector< cv::KeyPoint > &	keypoints_master_pos,
		const cv::Mat &	descriptors_master_pre,
		const cv::Mat &	descriptors_master_pos,
		cv::Mat &	homography_matrix_result
	)

Function that calculates the homography matrix that leave the frame_i to the intermediate plan between the frames related to the previous and posterior master, with respect to the distance between them.

Parameters

d	- frame shift value between the previous master frame and the current frame.
D	- frame shift between previous master frame and the posterior master frame.
frame_i	- current frame.
keypoints_master_pre	- keypoints of the previous master.
keypoints_master_pos	- keypoints of the posterior master.
descriptors_master_pre	- descriptors of the previous master.
descriptors_master_pos	- descriptors of the posterior master.
homography_matrix_result	- object to save the result homography matrix.

Returns

bool true - if there is enough points in both images and good matches between them to find a homography matrix.
bool false - if there is not enough points in both images or good matches between them to find a homography matrix.

Author

Washington Luis de Souza Ramos

Date

08/09/2016

Parameters

s	- frame shift value between the previous master frame and the current frame.
S	- frame shift between previous master frame and the posterior master frame.
frame_i	- current frame.
keypoints_master_pre	- keypoints of the previous master.
keypoints_master_pos	- keypoints of the posterior master.
descriptors_master_pre	- descriptors of the previous master.
descriptors_master_pos	- descriptors of the posterior master.
homography_matrix_result	- object to save the result homography matrix.

Returns

bool true - if there is enough points in both images and good matches between them to find a homography matrix.
bool false - if there is not enough points in both images or good matches between them to find a homography matrix.

Author

Washington Luis de Souza Ramos

Date

08/09/2016

int selectNewFrame	(	const int	d,
		const int	D,
		const int	N,
		const int	index,
		const int	index_previous,
		const int	index_posterior,
		const std::vector< cv::KeyPoint > &	keypoints_master_pre,
		const std::vector< cv::KeyPoint > &	keypoints_master_pos,
		const cv::Mat &	descriptors_master_pre,
		const cv::Mat &	descriptors_master_pos,
		const cv::Rect &	crop_area,
		const EXPERIMENT &	experiment_settings,
		cv::Mat &	new_frame
	)

Function that selects a new frame in the original video using the values of semantic information of the transition from the frame_src to the frame_dst calculted by MATLAB and saved in a CSV file, the area ratio of the iamge after apply the homography transformation and the RANSCAC inliers from the previous and posterior frames that compose the reduced video.

Parameters

d	- distance between the current frame and the previous master frame.
D	- distance between previous master frame and the posterior master frame.
N	- size of the segments.
index	- index of the frame that will be replaced.
index_previous	- index of the last frame in the reduced video.
index_posterior	- index of the next frame in the reduced video.
image_master_previous	- image with the master previous
image_master_posterior	- image with the master posterior
crop_area	- crop area of the video.
experiment_settings	- experiment settings struct.
new_frame	- image that will receive the new selected frame.

Returns

int - returns the index of the new selected frame.

Author

Michel Melo da Silva

Date

30/04/2016

int selectNewFrame	(	const float	s,
		const float	S,
		const int	index,
		const int	index_previous,
		const int	index_posterior,
		const std::vector< cv::KeyPoint > &	keypoints_master_pre,
		const std::vector< cv::KeyPoint > &	keypoints_master_pos,
		const cv::Mat &	descriptors_master_pre,
		const cv::Mat &	descriptors_master_pos,
		const cv::Rect &	crop_area,
		const EXPERIMENT &	experiment_settings,
		cv::Mat &	new_frame
	)

Function that selects a new frame in the original video using the values of semantic information of the transition from the frame_src to the frame_dst calculted by MATLAB and saved in a CSV file, the area ratio of the iamge after apply the homography transformation and the RANSCAC inliers from the previous and posterior frames that compose the reduced video.

Parameters

s	- frame shift value between the previous master frame and the current frame.
S	- frame shift between previous master frame and the posterior master frame.
index	- index of the frame that will be replaced.
index_previous	- index of the last frame in the reduced video.
index_posterior	- index of the next frame in the reduced video.
image_master_previous	- image with the master previous
image_master_posterior	- image with the master posterior
crop_area	- crop area of the video.
experiment_settings	- experiment settings struct.
new_frame	- image that will receive the new selected frame.

Returns

int - returns the index of the new selected frame.

Author

Washington Luis de Souza Ramos

Date

08/09/2016