This is a presentation I gave at Taichung.py in Aug. 30 2014.

1. INTRODUCTION TO
OPENCV WITH PYTHON
Max Lai @ 80-cloud.com
at Taichung.py, Aug. 30, 2014

2. I am Max Lai
from 80-cloud.com
盟創(合勤集團)下的台中團隊
目前開發重點
照片分享社群服務
智慧影像分析技術
We are hiring
mobile app developer (Android/iOS)
front end visual/UX designer

3. 有趣的OpenCV Project:
能臉部識別定位的棉花糖大炮
http://goo.gl/BmTlHu

4. 大綱
OpenCV 簡介
利用OpenCV 的簡單影像處理應用
Image I/O
Smoothing
Edge detection
Histogram equalization
利用OpenCV 進行照片中的人臉偵測

5. OpenCV 簡介
Open source Computer Vision library
BSD License
http://opencv.org
Originally developed by Intel
Has more than 2500 optimized algorithms
Supports a lot of different languages
C, C++, Python, Java
but is written natively in C++
Cross platform
also available for Android and iOS
Source: http://opencv.org/about.html

6. OpenCV 的應用
Source: http://www.slideshare.net/zblair/opencv-introduction

7. 安裝OpenCV (on Ubuntu 12.04 LTS)
$ sudo apt-get update
$ sudo apt-get install -y vim build-essential python-software-properties
$ sudo apt-get install -y python-opencv python-numpy

8. 影像處理: Image I/O
Reference: http://goo.gl/H3z2fy

9. 影像處理: Smoothing

10. 影像處理: Smoothing
Source: http://goo.gl/M9dQ0L

11. 影像處理: Edge Detection

12. 影像處理: Edge Detection
Source: http://goo.gl/RjfUIJ

13. 影像處理: Histogram Equalization

14. 影像處理: Histogram Equalization
Source: http://goo.gl/JDGciw

15. 人臉偵測
Sample code
API Doc: http://goo.gl/RxJSwd

16. 人臉偵測
You need to download Face Detection Trainer
Haar Cascade Frontal Face xml file.
http://goo.gl/kJZVAI
Image: http://successfulpeoplesolveproblems.com

17. 參考資料
Official Page: http://opencv.org
Tutorials:
http://docs.opencv.org/master/doc/py_tutorials/py_tutorials.htmll
Face detection: http://fideloper.com/facial-detection
Books: