Ben Chuanlong Du's Blog

It is never too late to learn.

Extracting Data from PDF Files

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Sometimes, a PDF file is corrupted or encrypted making it hard to extract data from it directly. In this case, you can convert a PDF page to an image first and …

Convert HEIC Images in Linux

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Installation on Ubuntu

wajig install heif-gdk-pixbuf libheif-examples

Usage

heif-convert input.HEIC output.jpg

Batch Convert Using IPython / JupyterLab

If you have multiple HIEC images and you want to convert all of …