Steffen Fuchs stfuchs

stfuchs / rotate_matrix.cpp

Last active October 6, 2017 09:06

Rotate image matrix clockwise inplace

	#include <iostream>
	#include <fstream>
	#include <string>
	#include <vector>

	/*
	* Rotate square matrix by 90 deg clock wise.
	*/
	template<typename T>
	bool rotateMatrix(std::vector< std::vector<T> >& mat)

stfuchs / horse_count.py

Last active September 30, 2017 15:27

	import sys
	from collections import defaultdict, deque

	INVALID = "Invalid"

	class Record(object):
	SOUND = "neigh"

	def __init__(self):
	self._next = 0

stfuchs / eigen_cheatsheet.cpp

Last active July 12, 2017 15:37

Eigen Geometry Cheat Sheet

	#include <Eigen/Geometry>

	int main(int argc, char** argv)
	{
	Eigen::Quaterniond q1(0, 0, 0, 1.);
	Eigen::Vector3d t1(1., 0, 1.);
	Eigen::Vector3d p1 = q1*Eigen::Vector3d(0,0,0) + t1;
	//Isometry if only rotation and translation components
	Eigen::Isometry3d tf = Eigen::Translation3d(t1) * q1;
	Eigen::Affine3d tf_affine = tf;

stfuchs / cameraInfoManager.cpp

Last active August 11, 2016 14:53

	#include <camera_info_manager/camera_info_manager.h>

	ros::NodeHandle nh("~");
	camera_info_manager::CameraInfoManager mgr(nh);
	mgr.setCameraName("camera");
	mgr.loadCameraInfo("file://my/camera_info.yaml");
	sensor_msgs::CameraInfo info = mgr.getCameraInfo();

stfuchs / hex2bgr.py

Created December 16, 2015 17:30

snippet to convert hex color list to cv::Scalar vector(bgr)

stfuchs / EdgeAwarePlaneComparator.h

Created January 25, 2013 20:28

	bool
	compare (int idx1, int idx2) const
	{
	bool dist_ok;
	if(this->depth_dependent_)
	{
	Eigen::Vector3f vec = input_->points[idx1].getVector3fMap ();
	float z = vec.dot (this->z_axis_);
	dist_ok = (fabs ((plane_coeff_d_)[idx1] - (plane_coeff_d_)[idx2]) < distance_threshold_ * z * z);
	}