Publications | Ostirion.net

Ostirion Nominated for Advanced Manufacturing Award

Sep 16

Ostirion Nominated for Advanced Manufacturing Award

Our brainless robot system has been nominated for the Advanced Manufacturing Award in the robotics integration category. You can vote...

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Quick and Inefficient Way to Stream Multiple Webcams with Python

H-Barrio

Nov 3, 2023

Quick and Inefficient Way to Stream Multiple Webcams with Python

In this post, we will use Python and OpenCV to inefficiently find all available webcams in our system and display their image. OpenCV...

52 views0 comments

H-Barrio

Sep 8, 2023

Installing and Running Mojo on Windows

Modular's Mojo language could be the solution to embedded artificial intelligence needs. The memory overhead and processor demands from...

3,143 views0 comments

Totally Hacky Way to Stream IP Camera in Colab - RTSP - Update

H-Barrio

Jul 10, 2023

Totally Hacky Way to Stream IP Camera in Colab - RTSP - Update

July 2023 Update: Most free RTSP trial streams have stopped working. We have modified the default stream to a metered service provided by...

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H-Barrio

Jun 6, 2023

Our Asia-Pacific Rail 2023 Stand

Our stands become more advanced with every exhibition we attend. This was a wonderful opportunity to make our Optical Train Positioning...

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Testing OpenCV Camera Calibration Measurements

H-Barrio

May 5, 2023

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...

109 views0 comments

OpenCV Camera Calibration from Google Colab

H-Barrio

Mar 31, 2023

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Our previous post on camera calibration directly from a video stream using OpenCV is outdated.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...

1,135 views3 comments

A Very Simple 2-Joint Robot Control Model

H-Barrio

Mar 15, 2023

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...

115 views0 comments

H-Barrio

Feb 7, 2023

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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Slightly Faster Re-runs of Python Notebooks by Smart Installs

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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Inverse Euler´s Totient Calculator with Python

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...

458 views0 comments

Visitor ID & Location for Your Pythonanywhere web app

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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Removing Stop Words for Simple Phrase Similarity Analysis

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...

165 views0 comments

Simple Text Similarity for Automated Text Matching

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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Translating the Contents of Excel Files with Python

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...

2,818 views0 comments

Simple Optical Character Recognition Using Pytesseract

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...

220 views0 comments

Quick Semantic Segmentation From Youtube Streams on Colab

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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And Finally, Overlaying a Feed from Youtube with Pafy On-The-Fly Fix

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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Totally Hacky Way to Stream IP Camera in Colab - RTSP

H-Barrio

Jun 14, 2022

Totally Hacky Way to Stream IP Camera in Colab - RTSP

UPDATED POST in this link: most free RTSP feeds are not working anymore; see the update for free and freemium alternatives for video feed...

504 views0 comments

Create Configurable ARuco Markers with Plastic Construction Bricks

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...

257 views0 comments