Posts on Brandon Castellano

Scene Detection with Python and OpenCV, Part 2

Wed, 06 Sep 2017 01:14:08 +0200

Part 2: Adaptive Threshold Detection

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Scene Detection with Python and OpenCV, Part 1

Sat, 19 Oct 2013 00:00:00 +0000

Part 1: Threshold/Fade-to-Black Detection

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In the first part of this three-part tutorial, we will write a Python program, using the OpenCV library, to perform threshold-based scene detection, to determine the exact frames where scene transitions (fade ins/outs to/from black in this case) occur. In the following tutorials, we will optimize our scene detection algorithm, and use the output to create a scene list with proper timecodes (Part 2) so a video can be split automatically into scenes. Lastly, we will cover how to detect content-based scene changes (in a future Part 3, coming soon), and combine this with the concepts from the previous tutorials to create a robust scene detection program.

How does word length affect the performance and operation of a CPU?

Wed, 17 Oct 2012 00:00:00 +0000

About a year ago, I came across a question on Super User titled “How much faster is a 64-bit CPU than a 32-bit CPU?”, which was promptly closed and deleted since it’s a very open ended question. However, the author (a software developer) referred to benchmarks regarding system performance in 32-bit versus 64-bit. The purpose of this blog post is to investigate how the performance of a computer is affected, as a function of the word length.

Fixing the XAnalogTV Screensaver

Mon, 10 Sep 2012 00:00:00 +0000

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