insaneyilin’s gists

insaneyilin / USACO_1_1_1_ride.cpp

Created July 10, 2015 06:54

My USACO solutions

	/*
	ID: yilin.g1
	PROG: ride
	LANG: C++
	*/

	/*
	Your Ride Is Here
	http://train.usaco.org/usacoprob2?a=1riZcYaDeJF&S=ride
	*/

insaneyilin / show_opencv_image_in_opengl.cpp

Last active July 24, 2024 02:37

Show opencv cv::Mat image in an OpenGL window(use GLFW)

	/*
	# Released under MIT License

	Copyright (c) 2017 insaneyilin.

	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
	associated documentation files (the "Software"), to deal in the Software without restriction,
	including without limitation the rights to use, copy, modify, merge, publish, distribute,
	sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

insaneyilin / opengl_mult_viewports_example.cpp

Created July 1, 2017 14:46

OpenGL multiple viewports example

insaneyilin / opencv_mat_traverse.cpp

Created February 16, 2018 14:53

	#include <stdio.h>
	#include <stdlib.h>
	#include <time.h>
	#include <string>

	#include <iostream>
	#include <opencv2/core/core.hpp>
	#include <opencv2/highgui/highgui.hpp>

	void color_reduce1(const cv::Mat& src_mat, int div, cv::Mat* dst_mat) {

insaneyilin / erase_elems_by_indices.cpp

Created June 26, 2018 06:18

C++ Erase elements from containers by indices

	// https://coderwall.com/p/jsxrdq/c-erase-elements-from-containers-by-indices

	template<typename Cont, typename It>
	auto ToggleIndices(Cont &cont, It beg, It end) -> decltype(std::end(cont))
	{
	int helpIndx(0);
	return std::stable_partition(std::begin(cont), std::end(cont),
	[&](decltype(*std::begin(cont)) const& val) -> bool {
	return std::find(beg, end, helpIndx++) == end;
	});

insaneyilin / nms_detections.py

Created July 18, 2018 10:10

	# from https://github.com/BVLC/caffe/blob/master/examples/detection.ipynb
	def nms_detections(dets, overlap=0.3):
	"""
	Non-maximum suppression: Greedily select high-scoring detections and
	skip detections that are significantly covered by a previously
	selected detection.

	This version is translated from Matlab code by Tomasz Malisiewicz,
	who sped up Pedro Felzenszwalb's code.

insaneyilin / progress_bar.py

Created August 16, 2018 12:01

simple python progress bar

	def progress(count, total, status=''):
	bar_len = 60
	filled_len = int(round(bar_len * count / float(total)))

	percents = round(100.0 * count / float(total), 1)
	bar = '=' * filled_len + '>' + '-' * (bar_len - filled_len)

	if count < total:
	sys.stdout.write('[%s] %s%s ...%s\r' % (bar, percents, '%', status))
	else:

insaneyilin / compress_image.py

Created July 1, 2019 17:41

compress image with file size threshold

	# -- coding: utf-8 --
	# @Author: insaneyilin
	# Python version 2.7
	# Reference: https://www.cnblogs.com/li1992/p/10675769.html


	import os
	import sys
	import argparse
	import glob

insaneyilin / shared_object_pool.h

Created July 10, 2019 12:58

A simple object pool. (not thread-safe, return std::shared_ptr)

	#ifndef IG_SHARED_OBJECT_POOL_H_
	#define IG_SHARED_OBJECT_POOL_H_

	#include <cstdlib>
	#include <queue>
	#include <vector>
	#include <list>
	#include <memory>

	namespace ig {

insaneyilin / cpp_cmp_struct_using_tie.cpp

Created August 7, 2019 10:51

compare struct using std::tie()

Yilin Gui insaneyilin