Testing OpenCV Camera Calibration Measurements
In this post, we will check in a very preliminary manner the results of the camera calibration we performed in the previous post. We are...
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H-Barrio
- Mar 31
OpenCV Camera Calibration from Google Colab
Our previous post on camera calibration directly from a video stream using OpenCV is outdated. In a future post, we will develop a Colab...
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H-Barrio
- Mar 15
A Very Simple 2-Joint Robot Control Model
This post will describe a very simple position control loop for a simple robot arm with just two joints. Multiple robot control...
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H-Barrio
- Feb 7
Drone Robots without a Brain
We have been busy these past months developing a novel robot control system. Robots, especially those used in logistics, operating in...
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H-Barrio
- Dec 16, 2022
Slightly Faster Re-runs of Python Notebooks by Smart Installs
Google Colab, in particular, and Jupyter Notebook tools, in general, are excellent tools for coded prototyping and quick testing. They...
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H-Barrio
- Dec 12, 2022
Inverse Euler´s Totient Calculator with Python
Euler's totient is a necessary numerical calculation for most modern primer number-based cryptographic systems. The forward calculation...
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H-Barrio
- Sep 27, 2022
Visitor ID & Location for Your Pythonanywhere web app
If you have a web app deployed at www.pythonanywhere.com, you may need a simple visitor analysis tool. This post will show how to build a...
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H-Barrio
- Sep 20, 2022
Removing Stop Words for Simple Phrase Similarity Analysis
In our previous post, we witnessed how the presence of stop words can generate non-existing similarities between two short phrases. This...
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H-Barrio
- Sep 13, 2022
Simple Text Similarity for Automated Text Matching
As a follow-up to our last post before our summer holidays, and in line with our public contracts search automation efforts in...
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H-Barrio
- Aug 3, 2022
Translating the Contents of Excel Files with Python
The title does not lie; in this post, we will translate the content of an excel file, several rows and columns of text in Spanish, into...
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H-Barrio
- Jul 12, 2022
Simple Optical Character Recognition Using Pytesseract
We may be in a hurry to recognize the characters in an image and need the fastest possible result even if accuracy is not very high. If...
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H-Barrio
- Jun 30, 2022
Quick Semantic Segmentation From Youtube Streams on Colab
Continuing our video-stream and Google Colab interaction, we will set up a rapid method for semantic segmentation of video streams using...
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H-Barrio
- Jun 23, 2022
And Finally, Overlaying a Feed from Youtube with Pafy On-The-Fly Fix
Continuing with the topic of our previous posts, we will now stream and overlay a real-time youtube feed into our Colab notebook for...
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H-Barrio
- Jun 14, 2022
Totally Hacky Way to Stream IP Camera in Colab - RTSP
In our previous publication, we leveraged the use of javascript into Colab to obtain a feed from a webcam local to your computer....
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H-Barrio
- Jun 8, 2022
Create Configurable ARuco Markers with Plastic Construction Bricks
UPDATE on May 5, 2023: OpenCV 4.7.X breaks the demonstration; the updated link to the code is this. I hope we could say the name of a...
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H-Barrio
- May 31, 2022
Using Units in Python - Technical Calculus and Everything Else
This post explains adding a "not too cumbersome" units management element into Python calculations, specifically using Jupyter Notebooks....
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H-Barrio
- Apr 1, 2022
The Machine, Dreaming - The Machine Listening to Us
Now, this was a problem. We were trying to demonstrate constant microphone listening, audio reception, and language transcription using a...
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H-Barrio
- Mar 18, 2022
The Machine, Dreaming - Part II
Dreams are, possibly, part image and part speech, as backed by recent research. If our machine is going to dream as we, humans, do, it...
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H-Barrio
- Mar 11, 2022
Locating the Notebook File in Google Colab
To continue our dreaming machine demonstration from this previous post, we need to handle many modules, folder structures, and individual...
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H-Barrio
- Feb 24, 2022
The Machine, Dreaming - Part I
We have had no chance to publish these past weeks; the management of a particular part of our intellectual property portfolio has...
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