Sumit Kumar Dey deysumitkr

Robotics Research Group, KUL | Computer Vision & Robotics

deysumitkr / NetworkBoot.md

Last active October 22, 2020 06:35

Network booting and installing ubuntu

Network Boot Steps (PXE)

deysumitkr / ConsoleLogging.c

Last active November 5, 2019 16:45

Console Log

	// Console logging
	#define RED "\x1B[31m"
	#define GREEN "\x1B[32m"
	#define CYAN "\x1B[36m"
	#define RESET "\x1B[0m"

	#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
	#define LOG_FORMATTED(COLOR, FORMATTED_MSG, ...) fprintf(stderr, COLOR "[My Lib] %s() in [%s:%i] " RESET FORMATTED_MSG "\n", __func__, __FILENAME__, __LINE__, ##__VA_ARGS__)

	#define LOG_FORMATTED_INFO(FORMATTED_MSG, ...) LOG_FORMATTED(CYAN, FORMATTED_MSG, ##__VA_ARGS__)

deysumitkr / CMakeLists.txt

Created April 19, 2019 18:12

List all variables available in cmake



	# List all variables and values in cmake
	get_cmake_property(_variableNames VARIABLES)
	list (SORT _variableNames)
	foreach (_variableName ${_variableNames})
	message(STATUS "${_variableName}=${${_variableName}}")
	endforeach()

deysumitkr / cvMat_pointer_access.cpp

Created August 8, 2018 10:55

Pointer access to opencv Mat

	Mat img = imread("filename.jpg",CV_LOAD_IMAGE_COLOR);
	unsigned char input = (unsigned char)(img.data);

	int r,g,b;
	for(int i = 0;i < img.cols;i++){
	for(int j = 0;j < img.rows;j++){
	b = input[img.cols * j + i ] ;
	g = input[img.cols * j + i + 1];
	r = input[img.cols * j + i + 2];
	}

deysumitkr / ExecutionTime_AlmostGeneric.cpp

Last active November 5, 2019 15:56

Execution time of a code snippet

	#include <chrono>
	#include <utility>

	/**
	* @brief find execution time of a function with non-void return type
	*
	* @tparam F function signature in form return_type(args...). Eg: double(int, int, char*)
	* @tparam R set clock resolution from chrono clock (default = std::chrono::microseconds)
	* @tparam Args varidac typenames for function arguments
	* @param dt execution time as per resolution given in R

deysumitkr / sayIP.py

Last active November 19, 2017 13:02

python script that says IP address. (Fail safe in case avahi-daemon fails/unusable)

	"""
	Dependency:
	Python 2.7
	festival (can be downloaded from apt-get)[http://www.cstr.ed.ac.uk/projects/festival/]


	Raspberry pi audio device select:
	amixer cset numid=3 0 # auto select (inaccurate)
	amixer cset numid=3 1 # analog jack 3.5mm
	amixer cset numid=3 2 # HDMI

deysumitkr / AnnotateImages.cpp

Last active December 30, 2017 06:34

Mark points, lines, boxes (rectangles) or polygons on Images - (OpenCV required) [Example at bottom]

	//
	// Created by sumit on 20/9/17.
	//

	#include "Annotate.h"


	// ----------- draw --------------
	template <> void Annotate<cv::Point_<int>>::draw(cv::Mat &showImage) {
	for(int i=0; i<mArray.size(); i++)

deysumitkr / getFilesInDir.cpp

Last active March 7, 2023 08:53

get all files in directory - may filter by extension - may recurse - (Boost required)

	// usage
	std::vector<std::string> exts{".jpg", ".png"};
	std::vector<std::string> files = getFilesInDir("/path/to/root/directory/", exts, true);


	// --------------------------------------------------------

	#define BOOST_FILESYSTEM_NO_DEPRECATED
	#include <boost/filesystem.hpp>