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#Event – Resources for the “Detecting faces with a Drone and AI” at MCT West Africa Cloud Bootcamp @MctwaB
Hi ! I had an amazing time with the MCT West Africa Cloud Bootcamp team talking about drones, face detection and Artificial Intelligence. And, as usual it’s time to share the source code and more resources. Source Code The full set of demos is available here. Recording coming soon ! The experience was great, I’m… — read more
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#Event – Resources for the “🏊♀️ Into the deep end with OpenCV” with #TheDotNetDocsShow team #dotnet
Hi ! I had an amazing time with the DotNet Docs Show team talking about OpenCV and .Net. And, as usual it’s time to share the source code and more resources. Source Code The full set of demos is available here. Recording It’s been a year since I was in this show. The experience is… — read more
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#Event -🏊♀️ Into the deep end with OpenCV at #TheDotNetDocsShow #dotnet
Hi ! Next week, I’ll be back to the .Net Docs Show. This time to share some experiences using OpenCV and .Net. 🏊♀️ Into the deep end with OpenCV If you don’t know OpenCV, let’s start with the 1st definition that Bing returns. OpenCV stands for open-source computer vision. It was generated to support a… — read more
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#dotnet – Display a video file🎥 in Winform using #OpenCV and #net5
Hi ! Super short post today, however is the base of the next series of posts around OpenCV and .Net 5. I already wrote on how to work with a webcam, and now it’s time to share a simple piece of code to show How to open and process a video frame by frame I’ve… — read more
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#dotnet – Packaging my WinForm #OpenCV and #net5 app in a one-self contained file (Thanks @shanselman!)
Hi ! A couple of days ago, Scott Hanselman posted about a super cool feature (see references): … you can make a single EXE that will run on any Windows Machine in two commands How to make a WinForms app with .NET 5 entirely from the command line and publish as one self-contained file and… — read more
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#dotnet – Pose detection from the 🎦 camera feed using #OpenCV and #net5. Home-made #kinect!
Hi ! LearnOpenCV is an amazing resource to learn about OpenCV. And, it has lot of scenarios of real life problem solved with OpenCV. Most of the samples are in C++ or Python, so I decided to pick one related to pose estimation, and using .Net 5 in a Winforms App, build something like this:… — read more
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#dotnet – GoogleNet detection from the 🎦 camera feed using #OpenCV and #net5. Bonus: C++ to C# time!
Hi ! So I was browsing in the OpenCV documentation and I find a nice sample that uses opencv_dnn module for image classification by using GoogLeNet trained network from Caffe model zoo. So I give it a try, and get a decent .Net 5 Winforms App running at ~30 FPS. The model was trained with… — read more
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#dotnet – Age and Gender estimation from the 🎦 camera feed using #OpenCV and #net5
Hi ! Face detected, so next step is to use some prebuild models to perform additional actions: like estimate the Age of a face, and also the Gender. In order to do this, I downloaded a couple of models from here. Disclaimer: these models are just sample models, do not use them in production. These… — read more
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#dotnet – Detecting Faces, DNN vs Haar Cascades from the 🎦 camera feed using #OpenCV and #net5
Hi ! In one session around computer vision, someone ask the question about which approach is better Haar Cascades or DNN? And the answer can be show using the video below As you can see Haar Cascades works great for faces looking directly to the camera, with good lights and in optimal conditions. However, once… — read more
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#Event – Resources used during the session “Getting started with Machine Learning.Net and AutoML” at the MVP Days Israel 2020
Hi ! I had a great time early in the day (04:00AM!) with the MVP Days Israel team talking about how to start with Machine Learning .Net. As usual, time for slides and code: Slides Code https://github.com/elbruno/events/tree/main/20201119%20MVP%20Day%20Israel%20MLNet Resources DotNet Machine Learning.Net GitHub DotNet Machine Learning GitHub DotNet Machine Learning Samples Recording Coming soon ! — read more
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#dotnet – Detecting Faces using DNN from the 🎦 camera feed in a WinForm using #OpenCV and #net5
Hi ! Let’s do some face detection using a DNN model (See references). As yesterday, I won’t write about details, there are almost 20 years of online documentation available. And, IMHO opinion code is much more useful that long writing, so let’s go there. 1st load the Caffe model and the config file. And, once… — read more
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#dotnet – Detecting Faces using Cascades from the 🎦 camera feed in a WinForm using #OpenCV and #net5
Hi ! Let’s do some face detection using one of the most popular methods: Haar Casacades (See references). I won’t write about Cascades, there are almost 20 years of online documentation available. And, IMHO opinion code is much more useful that long writing, so let’s go there. 1st load the cascade definition file. And, once… — read more
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#dotnet – Display the 🎦 camera feed in a WinForm using #OpenCV and #net5
Hi ! Back on the Windows Forms days, cameras were tricky. We didn’t have a lot of libraries to work, and they usually require some extra work to handle unexpected errors. With Net 5 and OpenCVSharp, we can create a simple WebCam viewer like this one. Let’s start with a [Take a Photo] Windows Form… — read more
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#dotnet – detecting corners on the 🎦 camera feed with FAST algorithm, #OpenCV and #net5
Hi ! Today is a quick one: FAST corner detection algorithm. FAST (Features from Accelerated Segment Test) algorithm was proposed by Edward Rosten and Tom Drummond in their paper “Machine learning for high-speed corner detection” in 2006 (Later revised it in 2010). A basic summary of the algorithm is presented below. Refer original paper for… — read more
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#dotnet – detecting edges on the 🎦 camera feed with Canny algorithm, #OpenCV and #net5
Hi ! The Canny edge detection is one the most popular algorithms, and it’s also +30 years old. The Canny edge detector is an edge detection operator that uses a multi-stage algorithm to detect a wide range of edges in images. It was developed by John F. Canny in 1986. OpenCV includes the Canny algorithm… — read more
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#dotnet – less than 20 lines to display a 🎦 camera feed with #OpenCV and #net5
Hi ! This post is the start of a series of posts around OpenCV and DotNet Core .Net 5. Most of my samples are going to be camera based, so I’ll start with the +20 13 lines needed to access a local camera and show the frames in a window. And the code using Net… — read more
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#Event – Resources used during the session “Let’s code a drone 🛸 to follow faces with #dotnet”@dotnetdocsshow
Hi ! I had a great time yesterday with the @dotnetdocsshow team talking about how to program a drone. And this time, with a special flavor: Lets program the drone using dotnet core ! It was an amazing experience, and a really fun moment. Scott, David, Cam and Cecil are great hosts, and they make… — read more
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El Bruno 