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OCR: Handwriting recognition with OpenCV, Keras, and TensorFlow
In this tutorial, you will learn how to perform OCR handwriting recognition using OpenCV, Keras, and TensorFlow. This post is Part 2 in our two-part series on Optical Character Recognition with Keras...
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Image alignment and registration with OpenCV
In this tutorial, you will learn how to perform image alignment and image registration using OpenCV. Image alignment and registration have a number of practical, real-world use cases, including:...
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OCR a document, form, or invoice with Tesseract, OpenCV, and Python
In this tutorial, you will learn how to OCR a document, form, or invoice using Tesseract, OpenCV, and Python. Last week, we discussed how to accept an input image and align it to a template image,...
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Getting started with EasyOCR for Optical Character Recognition
In this tutorial, you will learn how to use the EasyOCR package to easily perform Optical Character Recognition and text detection with Python. EasyOCR, as the name suggests, is a Python package that...
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OpenCV: Automatic License/Number Plate Recognition (ANPR) with Python
In this tutorial, you will build a basic Automatic License/Number Plate Recognition (ANPR) system using OpenCV and Python. ANPR is one of the most requested topics here on the PyImageSearch blog. I’ve...
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Image Segmentation with Mask R-CNN, GrabCut, and OpenCV
In this tutorial, you will learn how to perform image segmentation with Mask R-CNN, GrabCut, and OpenCV. A couple months ago, you learned how to use the GrabCut algorithm to segment foreground objects...
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Object detection: Bounding box regression with Keras, TensorFlow, and Deep...
In this tutorial you will learn how to train a custom deep learning model to perform object detection via bounding box regression with Keras and TensorFlow. Today’s tutorial is inspired by a message I...
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Multi-class object detection and bounding box regression with Keras,...
In this tutorial, you will learn how to train a custom multi-class object detector using bounding box regression with the Keras and TensorFlow deep learning libraries. Last week’s tutorial covered how...
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Adversarial images and attacks with Keras and TensorFlow
In this tutorial, you will learn how to break deep learning models using image-based adversarial attacks. We will implement our adversarial attacks using the Keras and TensorFlow deep learning...
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Targeted adversarial attacks with Keras and TensorFlow
In this tutorial, you will learn how to perform targeted adversarial attacks and construct targeted adversarial images using Keras, TensorFlow, and Deep Learning. Last week’s tutorial covered...
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AprilTag with Python
In this tutorial, you will learn how to perform AprilTag detection with Python and the OpenCV library. AprilTags are a type of fiducial marker. Fiducials, or more simply “markers,” are reference...
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OpenCV Super Resolution with Deep Learning
In this tutorial you will learn how to perform super resolution in images and real-time video streams using OpenCV and Deep Learning. Today’s blog post is inspired by an email I received from...
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GANs with Keras and TensorFlow
In this tutorial you will learn how to implement Generative Adversarial Networks (GANs) using Keras and TensorFlow. Generative Adversarial Networks were first introduced by Goodfellow et al. in their...
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Building image pairs for siamese networks with Python
In this tutorial you will learn how to build image pairs for training siamese networks. We’ll implement our image pair generator using Python so that you can use the same code, regardless of whether...
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Siamese networks with Keras, TensorFlow, and Deep Learning
In this tutorial you will learn how to implement and train siamese networks using Keras, TensorFlow, and Deep Learning. This tutorial is part two in our three-part series on the fundamentals of...
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Comparing images for similarity using siamese networks, Keras, and TensorFlow
In this tutorial, you will learn how to compare two images for similarity (and whether or not they belong to the same or different classes) using siamese networks and the Keras/TensorFlow deep...
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Generating ArUco markers with OpenCV and Python
In this tutorial you will learn how to generate ArUco markers using OpenCV and Python. Today’s blog post is part one in our three-part series on ArUCo markers and fiducials: Generating ArUco markers...
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Detecting ArUco markers with OpenCV and Python
In this tutorial you will learn how to detect ArUco markers in images and real-time video streams using OpenCV and Python. This blog post is part two in our three-part series on ArUco markers and...
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Determining ArUco marker type with OpenCV and Python
In this tutorial you will learn how to automatically determine ArUco marker type/dictionary with OpenCV and Python. Today’s tutorial is the final part of our three-part series on ArUco marker...
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OpenCV Augmented Reality (AR)
In this tutorial you will learn the basics of augmented reality with OpenCV. Augmented reality takes real-world environments and then enhances these environments through computer-generated procedures...
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