JaKeoung Koo jakeoung

jakeoung / effect_normalization_in_LoG.jl

Last active January 19, 2020 16:50

Effect of normalization in Laplacian of Gaussian

jakeoung / gist:92e7666f6ada918b72eccd3b6275b21a

Created November 25, 2019 19:20

Get a forward operator as a sparse matrix in astra toolbox

	import numpy as np
	import matplotlib.pyplot as plt
	import astra

	if 0:
	data_corr = np.load('tomo_corr.npy')
	vecs = np.load('vectors.npy')
	else:
	import scipy.io
	data_mat = scipy.io.loadmat('../data/Fewer_Plastics_tomo_corr_low_high_vectors')

jakeoung / install_basic_tools.sh

Created November 4, 2017 15:39

install basic tools in docker

	apt-get upgrade
	apt-get install python-setuptools git vim
	easy_install pip

jakeoung / make_boot_script.sh

Created November 4, 2017 14:46

make starting script

	sudo echo "su ubuntu -c 'bash /home/ubuntu/start_script.sh'" >> /etc/rc.local
	# make ~/start_script.sh

jakeoung / gist:94993d0350dc4b18af8774cd1936a8dd

Created November 4, 2017 11:53

aws setting

	echo "LABEL=cloudimg-rootfs / ext4 defaults 0 0
	/dev/xvdb /home01 ext4 defaults 0 2" >> /etc/fstab

jakeoung / install_tmux-resurrect.sh

Last active November 4, 2017 13:00

install tmux save

	## STEP1: install tmux-plugin
	git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

	echo "# List of plugins
	set -g @plugin 'tmux-plugins/tpm'
	set -g @plugin 'tmux-plugins/tmux-sensible'

	# Other examples:
	# set -g @plugin 'github_username/plugin_name'
	# set -g @plugin '[email protected]/user/plugin'

jakeoung / cb_customs.py

Last active May 10, 2017 02:26

convert bibliography for ai

	import re
	import requests
	import titlecase

	# I doubt if we need to go above ten
	words_to_numerals =\
	{
	'first': '1',
	'second': '2',
	'third': '3',

jakeoung / jkimg.c

Last active June 3, 2017 14:23

jkimg.c, jkimg.h, jkimg.cuh

	/*
	JKImage library for communicating with python

	Rules
	- The input image usually follows the order of [Channel x ny x nx]
	-
	*/

	#include <math.h>
	#include <stdio.h>

jakeoung / example_argparse.py

Last active June 5, 2017 07:26

jkplot library and python argparse usage of making file name and loading

	########## main.py
	import argparse
	import time

	parser = argparse.ArgumentParser(add_help=False)
	parser.add_argument('--niter', type=int, default=100, help='number of iteration')

	args, unparsed = parser.parse_known_args()

	# make output file name containing the key parameters

jakeoung / F.log_softmax(x).py

Last active February 11, 2017 12:20

Implementing pytorch functions

	import torch.autograd.Variable

	max, max_idx = Variable.max(x, 1)
	max = Variable.expand_as(max, x)
	x = Variable.exp(x - max)
	p = Variable(torch.zeros(x.size()))
	for i in range(64):
	sum = Variable.sum(x[i, :]).data[0]
	p[i, :] = x[i, :] / sum