Bilateral Filtering of the Image using OpenCV and Python
There are many algorithms to reduce noise in an image. A bilateral filter is often used for noise reduction while preserving edges in an image. This filter calculates a weighted…
Median Filtering of the Image using OpenCV and Python
There are various algorithms that allows to reduce noise in an image. One of them is median filter. This filter calculates the median of all the pixels in the kernel…
Convert File Size in Bytes into Human Readable String
Typically, file size is expressed in bytes. However, this expression is hard to read for humans. The following table provides links to examples how to convert the file size in…
Generate Random Floating-Point Number in Range
Random floating-point number is a number produced by a generator, whose result is unpredictable and does not have any pattern. Programming languages provides various methods to generate a random floating-point…
Generate Random String
Random string is a sequence of characters produced by a generator, whose result is unpredictable and does not have any pattern. Programming languages provides various methods how to generate a…
Generate Given Number of Random Bytes
While working with cryptographically, we may need to generate a given number of random bytes. Programming languages provides various methods to do that. A table includes a links to posts…
Install Precompiled OpenCV 4.5 on Raspberry Pi
OpenCV is an open source library for image processing, computer vision, and machine learning. OpenCV is widely used for object detection, gesture recognition, motion tracking, face detection and recognition, image…
Install bpytop on Raspberry Pi
The bpytop is a tool that enables to monitor system resources and running processes via command line. This tool displays CPU, RAM, disk, and network usage. The bpytop is written…
Load Environment Variables From .env File
Sensitive configuration parameters should never be stored in the code. Recommended to store configuration parameters in environment variables. Learn how to load environment variables from .env file. A table includes…
Insert String Into Another String at Given Position
While working with text processing, we may need to insert a string into another string at given position. Programming languages provides various methods to do that. A table includes a…