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OpenCV 3 Blueprints

You're reading from   OpenCV 3 Blueprints Expand your knowledge of computer vision by building amazing projects with OpenCV 3

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Product type Paperback
Published in Nov 2015
Publisher
ISBN-13 9781784399757
Length 382 pages
Edition 1st Edition
Tools
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Toc

Table of Contents (9) Chapters Close

Preface 1. Getting the Most out of Your Camera System FREE CHAPTER 2. Photographing Nature and Wildlife with an Automated Camera 3. Recognizing Facial Expressions with Machine Learning 4. Panoramic Image Stitching Application Using Android Studio and NDK 5. Generic Object Detection for Industrial Applications 6. Efficient Person Identification Using Biometric Properties 7. Gyroscopic Video Stabilization Index

The Android section – an application user interface

In this section, we will show you a basic user interface to capture and save the panorama to the internal storage. Basically, the user will see a fullscreen of the camera preview image. When the user presses the Capture button, the application will capture the current scene and put the captured image on an overlay layer above the current view. Therefore, the user knows what they have just captured and can change the phone position to capture the next image.

The following is a screenshot of the application when the user opens it and after the user captures an image:

The Android section – an application user interface

An example of the user interface before and after a user captures an image

The setup activity layout

First, we will create a new Android project with a blank activity in Android Studio. Then, we will edit the layout xml for MainActivity in app/src/main/res/layout/activity_main.xml as follows:

<RelativeLayout   xmlns:android="http://schemas.android.com/apk/res/android...
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