Express Overview Express is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web

## NODE.JS Introduction

Node.js = Runtime Environment + JavaScript Library first application install link Modules NPM (Node Package Manager)Online repositories for node.js packages/modules which are

## Ecmascript 6

Variables different between let and var const var and hoisting Variable hoisting allows the use of a variable in a JavaScript program, even

## Techniques of Integration

Integration By Parts Trigonometric Integrals Trigonometric Substitution Partial Fractions Strategies For Integrations

## Parametric Equations and Polar Coordinates

Parametric Coordinates Polar Coordinates

## Color Space Transform And Geometry Transform

Color Space ,Transform, Threshold Now you take [H-10, 100,100] and [H+10, 255, 255] as the lower bound and upper bound respectively. Object

## Gradient And Edge Detection With OpenCV

Edge Detection With Canny 1- RGB to Gray 2- Noise Removal (Gaussian Filter) 3- Edge Detection (Sobel Operator) 4-Edge Thinning ( Non

## Blurring and Filtering images With OpenCV

2D Convolution ( Image Filtering ) As in one-dimensional signals, images also can be filtered with various low-pass filters (LPF), high-pass filters

## Partial Derivatives

Tangent Plane chain rule Direction Derivative and Gradient Vector Maximum And Minimum Value Lagrange Multipliers

## Vectors And Geometry Space

Dot Product Cross Product

## C++ Notes

Create Vector Of Functions literal operator template like function static global variables Example: When you compile these programs, you will get an error:

## OpenCV Mat

You will need to include only the opencv2/opencv.hpp header file in your programAdd the using namespace cv; line just after including header files Data Types of

## Elementary Linear Algebra

https://www.malabdali.com/wp-content/uploads/2020/08/Elementary-Linear-Algebra.pdf

## Qt Painter

QPainter provides highly optimized functions to do most of the drawing GUI programs require. It can draw everything from simple lines to

## Qt Images And Fonts

Qt provides four classes for handling image data: QImage, QPixmap, QBitmap and QPicture. QImage is designed and optimized for I/O, and for direct pixel access and

## Widgets in Qt

The widget is the atom of the user interface: it receives mouse, keyboard and other events from the window system, and paints