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Training a custom dlib shape predictor

In this tutorial, you will learn how to train your own custom dlib shape predictor. You’ll then learn how to take your trained dlib shape predictor and use it to predict landmarks on input images and...

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Tuning dlib shape predictor hyperparameters to balance speed, accuracy, and...

In this tutorial, you will learn how to optimally tune dlib’s shape predictor hyperparameters and options to obtain a shape predictor that balances speed, accuracy, and model size. Today is part two...

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Label smoothing with Keras, TensorFlow, and Deep Learning

In this tutorial, you will learn two ways to implement label smoothing using Keras, TensorFlow, and Deep Learning. When training your own custom deep neural networks there are two critical questions...

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Raspberry Pi and Movidius NCS Face Recognition

In this tutorial you will learn how to use the Movidius NCS to speedup face detection and face recognition on the Raspberry Pi by over 243%! If you’ve ever tried to perform deep learning-based face...

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Optimizing dlib shape predictor accuracy with find_min_global

In this tutorial you will learn how to use dlib’s find_min_global function to optimize the options and hyperparameters to dlib’s shape predictor, yielding a more accurate model. A few weeks ago I...

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Intro to anomaly detection with OpenCV, Computer Vision, and scikit-learn

In this tutorial, you will learn how to perform anomaly/novelty detection in image datasets using OpenCV, Computer Vision, and the scikit-learn machine learning library. Imagine this — you’re fresh...

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YOLO and Tiny-YOLO object detection on the Raspberry Pi and Movidius NCS

In this tutorial, you will learn how to utilize YOLO and Tiny-YOLO for near real-time object detection on the Raspberry Pi with a Movidius NCS. The YOLO object detector is often cited as being one of...

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How to use OpenCV’s “dnn” module with NVIDIA GPUs, CUDA, and cuDNN

In this tutorial, you will learn how to use OpenCV’s “Deep Neural Network” (DNN) module with NVIDIA GPUs, CUDA, and cuDNN for 211-1549% faster inference. Back in August 2017, I published my first...

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OpenCV ‘dnn’ with NVIDIA GPUs: 1549% faster YOLO, SSD, and Mask R-CNN

  In this tutorial, you’ll learn how to use OpenCV’s “dnn” module with an NVIDIA GPU for up to 1,549% faster object detection (YOLO and SSD) and instance segmentation (Mask R-CNN). Last week, we...

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Autoencoders with Keras, TensorFlow, and Deep Learning

In this tutorial, you will learn how to implement and train autoencoders using Keras, TensorFlow, and Deep Learning. Today’s tutorial kicks off a three-part series on the applications of autoencoders:...

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Denoising autoencoders with Keras, TensorFlow, and Deep Learning

In this tutorial, you will learn how to use autoencoders to denoise images using Keras, TensorFlow, and Deep Learning. Today’s tutorial is part two in our three-part series on the applications of...

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Anomaly detection with Keras, TensorFlow, and Deep Learning

In this tutorial, you will learn how to perform anomaly and outlier detection using autoencoders, Keras, and TensorFlow. Back in January, I showed you how to use standard machine learning models to...

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NVIDIA Jetson Nano .img pre-configured for Deep Learning and Computer Vision

In this tutorial you will learn how to use my pre-configured NVIDIA Jetson Nano .img for Computer Vision and Deep Learning. This .img includes TensorFlow, Keras, TensorRT, OpenCV, etc. pre-installed!...

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Grad-CAM: Visualize class activation maps with Keras, TensorFlow, and Deep...

In this tutorial, you will learn how to visualize class activation maps for debugging deep neural networks using an algorithm called Grad-CAM. We’ll then implement Grad-CAM using Keras and TensorFlow....

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Detecting COVID-19 in X-ray images with Keras, TensorFlow, and Deep Learning

In this tutorial, you will learn how to automatically detect COVID-19 in a hand-created X-ray image dataset using Keras, TensorFlow, and Deep Learning. Like most people in the world right now, I’m...

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I want to help you the best I can during COVID-19

Many PyImageSearch readers (myself included) are quarantined or displaced from their work, school, or research lab due to COVID-19. I understand this is a terrible time for everyone and I want to help...

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Using TensorFlow and GradientTape to train a Keras model

In this tutorial, you will learn how to use TensorFlow’s GradientTape function to create custom training loops to train Keras models. Today’s tutorial was inspired by a question I received by...

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How to configure your NVIDIA Jetson Nano for Computer Vision and Deep Learning

In today’s tutorial, you will learn how to configure your NVIDIA Jetson Nano for Computer Vision and Deep Learning with TensorFlow, Keras, TensorRT, and OpenCV. Two weeks ago, we discussed how to use...

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Autoencoders for Content-based Image Retrieval with Keras and TensorFlow

In this tutorial, you will learn how to use convolutional autoencoders to create a Content-based Image Retrieval system (i.e., image search engine) using Keras and TensorFlow. A few weeks ago, I...

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An interview with Yi Shern, Machine Learning Engineer at 123RF R&D

In today’s blog post, I interview Yi Shern, a PyImageSearch reader and Machine Learning Engineer at 123RF.com, a popular stock photo website. If you’re unfamiliar with the term, a “stock photo” is a...

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