Computer Vision

Table of Contents

1. Index
2. How to Run
3. Jupyter Lab ShortCuts

INDEX

Name	Colab	Location
NumPy Basics	Live Demo	Link
Open CV Intro	Live Demo	Link
Drawing On Images	Live Demo	Link
Drawing on Images with Mouse	Live Demo	Link
Image Processing	Live Demo	Link
Video Basics	Live Demo	Link
KNN Image Classifier	Live Demo	Link
Linear Image Classifier	Live Demo	Link
Optimization	Live Demo	Link
Neural Network	Live Demo	Link

How to run this file on Jupyter Lab

• Goto the directory where is your file.
• use cd C: FILE/PATH/ in the Anaconda Prompt to enter in a directory.
• use cd.. to return to the previous directory.
• write conda activate python-cvcourse
• later write jupyter-lab in the cli.
• paste server token link from cli to browser to access server.

Jupyter Lab ShortCuts

If you are on a Mac, substitute command for control. Don't type the + (it means press both keys at once).

Shortcuts when in either command mode (outside the cells) or edit mode (inside a cell):

• Shift + Enter run selected cell or cells - if no cells below, insert a code cell below

• Ctrl + B toggle hide/show left sidebar

• Ctrl + S save and checkpoint

• Ctrl + Shift + S save as

• Ctrl + F find

Shortcuts when in command mode (outside the cells, no blinking cursor):

• Enter enter edit mode in the active cell

• Scroll up with the up arrow

• Scroll down with the down arrow

• A insert a new cell above the active cell

• B insert a new cell below the active cell

• M make the active cell a Markdown cell

• Y make the active cell a code cell

• Shift + Up Arrow select the current cell and the cell above

• Shift + Down Arrow select the current cell and the cell below

• Ctrl + A select all cells

• X cut the selected cell or cells

• C copy the selected cell or cells

• V paste the cell(s) which were copied or cut most recently

• Shift + M merge multiple selected cells into one cell

• DD (D twice) delete the active cell

• 00 (Zero twice) restart the kernel

• Z undo most recent command mode action

Shortcuts when in edit mode (inside a cell with a blinking cursor):

• Esc enter command mode

• Tab code completion (or indent if at start of line)

• Shift + Tab tooltip help

• Ctrl + Shift + - split the active cell at the cursor

The usual commands for code editors:

• Ctrl + ] indent

• Ctrl + [ dedent

• Ctrl + / toggle comment

Plus the usual shortcuts for select all, cut, copy, paste, undo, etc.