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#!/usr/bin/env python3
# -*- coding: utf-8 -*-


# Imports
import numpy as np 
      
# Each row is a training example, each column is a feature  [X1, X2, X3]
X=np.array(([0,0,1],[0,1,1],[1,0,1],[1,1,1]), dtype=float)
y=np.array(([0],[1],[1],[0]), dtype=float)

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from imutils.perspective import four_point_transform
from imutils import contours
import imutils
import cv2

# defining dictionary of digits
# defined in the form of segment display (led digit display)
# https://www.pyimagesearch.com/wp-content/uploads/2017/02/digit_reco_template.png
DIGITS = {
	(1, 1, 1, 0, 1, 1, 1) : 0,

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The code for this tutorial is here

Opencv provides are useful, but limited, method of building a GUI. A much more complete system could be acheived using pyqt. The question is, how do we display images. There are quite a few possible routes but perhaps the easiest is to use QLabel since it has a setPixmap function. Below is some code that creates two labels. It then creates a grey pixmap and displays it one of the labels. code: staticLabel1.py

from PyQt5.QtWidgets import QWidget, QApplication, QLabel, QVBoxLayout
from PyQt5.QtGui import QPixmap, QColor
import sys

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[UPDATE] Sublime Text 4

If you have the latest sublime text (version 4), you can just do:

subl --safe-mode

How do I revert Sublime Text 3 to a fresh state

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import os 
import glob 

files = glob.glob(os.path.join ('*.txt'))

for file in files:
 filesize = os.path.getsize(file)

 if filesize == 0:
     os.remove(file)

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Convert PascalVOC Annotations to YOLO

This script reads PascalVOC xml files, and converts them to YOLO txt files.

Note: This script was written and tested on Ubuntu. YMMV on other OS's.

Disclaimer: This code is a modified version of Joseph Redmon's voc_label.py

Instructions:

1. Place the convert_voc_to_yolo.py file into your data folder.

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Awesome Courses

Introduction

There is a lot of hidden treasure lying within university pages scattered across the internet. This list is an attempt to bring to light those awesome courses which make their high-quality material i.e. assignments, lectures, notes, readings & examinations available online for free.

Table of Contents