previtus’s gists

previtus / gist:7755f96f047aaedaea9a7338afbde7e1

Created November 10, 2017 23:12 — forked from rxaviers/gist:7360908

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previtus / crop center or images

Last active March 8, 2018 01:06

	# 1. resize to 1024 (on min dimension, not a square)
	# 2. crop out middle
	for file in *.png; do convert $file -geometry 1024x1024^ -gravity center -crop 1024x1024+0+0 ${file}.jpg; done

previtus / client.py

Created February 10, 2018 03:23

running keras/tensorflow on different machine server with local client

	import requests
	from timeit import default_timer as timer

	PORT = "9999"
	PRED_KERAS_REST_API_URL = "http://localhost:"+PORT+"/predict"
	TIME_KERAS_REST_API_URL = "http://localhost:"+PORT+"/time"
	IMAGE_PATH = "small.jpg"

	# load the input image and construct the payload for the request
	image = open(IMAGE_PATH, "rb").read()

Last active February 21, 2018 19:34

	#when facing similar issue to the one mentioned at https://github.com/tensorflow/tensorflow/issues/1439

	import tensorflow as tf
	print("Count of global variables", len(tf.global_variables()))
	print("Count of graph elements",len(tf.get_default_graph().get_operations()))

previtus / proper calling of ffmpeg from python.py

Last active February 22, 2018 17:15

	# thanks to https://github.com/bapoczos/ArtML/blob/master/fast-style-transfer/transform_video.py
	# thanks to Barnabas Poczos and Gene Kogan

	import subprocess, shutil
	import os, fnmatch

	in_args = [
	'ffmpeg',
	'-i', in_path,
	'%s/frame_%%d.png' % in_dir

previtus / foreground, background

Last active September 4, 2018 02:50

linux, ctrl+z, bg, fg - fun

	ctrl + z = will suspend the currently foregrounded program
	jobs = see suspended / running jobs with number
	bg = will run in background (the most recently suspended program)
	(use bg %2 with the job number, which you can check with jobs)
	fg = will bring to foreground the most recently suspended program

previtus / load.py

Last active April 15, 2018 00:06

Load all JSONs and process one with selected keywords to txt files

	import os, fnmatch, random
	import json
	from pprint import pprint

	def load(path, keywords_find, keywords_exclude):
	# Frames to crops
	files = sorted(os.listdir(path))
	#print("files",len(files), files[0:10])
	files = fnmatch.filter(files, '*.json')
	random.shuffle(files)

previtus / How to ... openface-api on Heroku

Created July 13, 2018 21:55

	# link https://github.com/platanus/openface-api
	(had this before)
	(installed docker)
	docker pull bamos/openface

	git clone https://github.com/platanus/openface-api.git
	cd openface-api

	git init
	git add --all

previtus / model

Last active September 13, 2018 15:31

ML CLASS NOTES

	from keras.models import Sequential
	from keras.layers import Dense, Conv2D, MaxPooling2D, Flatten

	model = Sequential()
	model.add(Conv2D(32, (3,3), activation='relu', input_shape=input_shape))
	model.add(Flatten())
	model.add(Dense(10))

	model.summary()

previtus / darkflow_tester.py

Created December 19, 2018 11:21

simple_darkflow_tester

	# [SETUP, get these:]
	# built_graph/yolo.meta
	# built_graph/yolo.pb
	# (using # flow --model cfg/yolo.cfg --load bin/yolo.weights --savepb)

	from darkflow.net.build import TFNet

	import numpy
	import os, fnmatch, random
	import cv2

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