Deep Neural Networks (dnn module) {#tutorial_table_of_content_dnn}
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-   @subpage tutorial_dnn_googlenet

    *Languages:* C++

    *Compatibility:* \> OpenCV 3.3

    *Author:* Vitaliy Lyudvichenko

    In this tutorial you will learn how to use opencv_dnn module for image classification by using GoogLeNet trained network from Caffe model zoo.

-   @subpage tutorial_dnn_halide

    *Languages:* Halide

    *Compatibility:* \> OpenCV 3.3

    *Author:* Dmitry Kurtaev

    This tutorial guidelines how to run your models in OpenCV deep learning module using Halide language backend.

-   @subpage tutorial_dnn_halide_scheduling

    *Languages:* Halide

    *Compatibility:* \> OpenCV 3.3

    *Author:* Dmitry Kurtaev

    In this tutorial we describe the ways to schedule your networks using Halide backend in OpenCV deep learning module.

-   @subpage tutorial_dnn_android

    *Languages:* Java

    *Compatibility:* \> OpenCV 3.3

    *Author:* Dmitry Kurtaev

    This tutorial will show you how to run deep learning model using OpenCV on Android device.

-   @subpage tutorial_dnn_yolo

    *Languages:* C++, Python

    *Compatibility:* \> OpenCV 3.3.1

    *Author:* Alessandro de Oliveira Faria

    In this tutorial you will learn how to use opencv_dnn module using yolo_object_detection with device capture, video file or image.

-   @subpage tutorial_dnn_javascript

    *Languages:* JavaScript

    *Compatibility:* \> OpenCV 3.3.1

    *Author:* Dmitry Kurtaev

    In this tutorial we'll run deep learning models in browser using OpenCV.js.

-   @subpage tutorial_dnn_custom_layers

    *Languages:* C++, Python

    *Compatibility:* \> OpenCV 3.4.1

    *Author:* Dmitry Kurtaev

    How to define custom layers to import networks.

-   @subpage tutorial_dnn_OCR

    *Languages:* C++

    *Compatibility:* \> OpenCV 4.3

    *Author:* Zihao Mu

    In this tutorial you will learn how to use opencv_dnn module using custom OCR models.

-   @subpage tutorial_dnn_text_spotting

    *Languages:* C++

    *Compatibility:* \> OpenCV 4.5

    *Author:* Wenqing Zhang

    In these tutorial, we'll introduce how to use the high-level APIs for text recognition and text detection