Skip to content

Dear Internet Explorer user: Your browser is no longer supported

Please switch to a modern browser such as Microsoft Edge, Mozilla Firefox or Google Chrome to view this website's content.

Python logo

Bounding rectangles in Python OpenCV

Posted 20th July 2021

No comments

There are two methods in OpenCV to derive a bounding rectangle and extract the relevant values of an object or series of objects in an image.

Read the full story...

Python logo

Peak Signal-to-Noise Ratio (PSNR) in Python

Posted 12th February 2021

No comments

Quantitatively check the quality of a compressed image using a simple Python code for calculating the Peak Signal-to-Noise Ratio (PSNR) between two images.

Read the full story...

Python logo

Reading EXIF data in Python

Posted 2nd February 2021

1 comment

In order to review the properties of various common-format image files, I wrote a command-prompt script in Python that will display EXIF data and other properties of JPG, PNG, TIF, CR2 and NEF files.

Read the full story...

Python logo

Query a PostgreSQL database via Python

Posted 11th December 2020

No comments

Use this simple template script created in Python to connect to your PostgreSQL database and run a query.

Read the full story...

Python logo

Iterate both i and j in Python

Posted 2nd September 2020

No comments

Two methods for implimenting nested iterations of i and j in Python.

Read the full story...

Python logo

SQL to CSV via Python, with Headers

Posted 7th June 2019

1 comment

Nifty Python code that converts a SQL database file into a CSV file and includes column headers.

Read the full story...

Python logo

Larger matplotlib images in Jupyter Notebook

Posted 21st February 2019

No comments

Simple code to enable matplotlib to generate larger inline images in Jupyter Notebook.

Read the full story...