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Morphological Operations with OpenCV and Python

Morphological Operations with OpenCV and Python

Aug. 17 2022 Yacine Rouizi
OpenCV Image Processing Computer Vision

Morphological operations are some transformations applied to grayscale or binary images. Morphological operations apply a structuring element to add or remove some pixels from the boundaries of objects in an input image.


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Eye Blink Counter with Dlib, Python, and OpenCV

Eye Blink Counter with Dlib, Python, and OpenCV

Aug. 2 2022 Yacine Rouizi
Image Processing Dlib Computer Vision Face Detection

In this tutorial, we will see how to create a blink detector/counter using Dlib, Python, and OpenCV. We will first use the face detector from Dlib to detect faces in a video. Then we will use the shape predictor from Dlib to determine the location ...


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Bubble Sheet Multiple Choice Test with OpenCV and Python

Bubble Sheet Multiple Choice Test with OpenCV and Python

July 18 2022 Yacine Rouizi
OpenCV Image Processing Computer Vision

In this tutorial, we are going to use OpenCV and Python to automatically read and grade bubble test sheets. This is a beginner tutorial, so we will start the project from scratch while discussing each step.


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How to Detect Face landmarks with Dlib, Python, and OpenCV

How to Detect Face landmarks with Dlib, Python, and OpenCV

July 4 2022 Yacine Rouizi
Image Processing Computer Vision Face Detection Dlib

In this tutorial, we will see how to detect 68 facial landmarks in an image using Python, OpenCV, and the Dlib library.


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Smile Detection with Python, OpenCV, and Deep Learning

Smile Detection with Python, OpenCV, and Deep Learning

June 23 2022 Yacine Rouizi
OpenCV Computer Vision Object Detection Face Detection

In this tutorial, we will use deep learning to build a more robust smile detector than the one we built in the previous tutorial where we used a Haar cascade smile detector. We will use the SMILES dataset to train our convolutional neural network...


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Smile Detection with Python, OpenCV, and Haar Cascade

Smile Detection with Python, OpenCV, and Haar Cascade

June 13 2022 Yacine Rouizi
OpenCV Computer Vision Object Detection Face Detection

In this tutorial, we are going to implement a smile detector algorithm using OpenCV and a pre-trained Haar cascade. Smile detention is a subset of facial recognition technology and can be used for different purposes such as for ensuring that people ...


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Overfitting and Underfitting in Deep Learning

Overfitting and Underfitting in Deep Learning

June 6 2022 Yacine Rouizi
Keras and TensorFlow Deep Learning

There are two major problems when training neural networks: overfitting and underfitting. Overfitting is a problem that can occur when the model is too sensitive to the training data. The model will then fail to generalize and perform well on new data...


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Save and Load Models with TensorFlow

Save and Load Models with TensorFlow

May 23 2022 Yacine Rouizi
Keras and TensorFlow Deep Learning

Training a deep neural network can take hours or even days to complete. It is not practical to train such a neural network every time you want to make predictions. In this case, you can save and then later reload your model.


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