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Raspberry Pi Sensors

You're reading from  Raspberry Pi Sensors

Product type Book
Published in Apr 2015
Publisher
ISBN-13 9781784393618
Pages 192 pages
Edition 1st Edition
Languages
Author (1):
Rushi Gajjar Rushi Gajjar
Profile icon Rushi Gajjar

Table of Contents (16) Chapters

Raspberry Pi Sensors
Credits
About the Author
Acknowledgements
About the Reviewers
www.PacktPub.com
Preface
1. Meeting Your Buddy – the Raspberry Pi 2. Meeting the World of Electronics 3. Measuring Distance Using Ultrasonic Sensors 4. Monitoring the Atmosphere Using Sensors 5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi 6. Uploading Data Online – Spreadsheets, Mobile, and E-mails 7. Creating an Image Sensor Using a Camera and OpenCV Shopping List Index

Porting OpenCV


Porting OpenCV on RasPi is the lengthiest task compared to installing other libraries. Installing the suitable and companion libraries is necessary for effective running of the image processing algorithms. It has been observed in the community that not many have succeeded in porting the OpenCV properly. We will go through a step-by-step guide that will give you an up-and-running OpenCV at the first time. While installing some of the library, the order of the installation doesn't matter, but it is suggested that the flow given here will give you the exact results you are looking for.

A quick checklist is as follows:

  • An Internet connection shared with RasPi through a Wi-Fi adapter or a PC.

  • Use PuTTY to log in to the RasPi using an Ethernet connection from a PC.

  • Enough space (up to 4 GB) on the RasPi SD card. Use the df -h command to check out the free space on the SD Card.

  • Interface the camera when needed. A USB camera needs enough current to operate. Connect a 2A adapter to the...

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