OpenCV/Using OpenCV 2.2 on iOS SDK 4.2

OpenCV/Using OpenCV 2.2 on iOS SDK 4.2

The page describes the method to use OpenCV 2.2 on iOS SDK 4.2.
And, this method use yoshimasa niwa - Using OpenCV on iPhone as a reference.

Getting OpenCV 2.2 source code

Please get "OpenCV-2.2.0.tar.bz2" from Official page.

Getting the build script(maked by niwa)

Please get "niw-iphone_opencv_test-4ab0572.zip" from this page.

Getting the patch file

Please get the following patch file.

Filename	Size	Date	Type	Download
opencv2.2_for_ios4.2_build_script_20101231.zip	5.07kb	20101231	Zip

This Zip file contains the following patch file.

• OpenCV-2.2.0.patch --- The patch for OpenCV 2.2
• niw-iphone_opencv_test-4ab0572.patch --- The patch for build script

Applying the patch

Please extract the following file.

• OpenCV-2.2.0.tar.bz2
• niw-iphone_opencv_test-4ab0572.zip
• opencv2.2_for_ios4.2_build_script_20101231.zip

After the extraction, please put the following directory to same hierarchy.

• OpenCV-2.2.0
• niw-iphone_opencv_test-4ab0572
• opencv2.2_for_ios4.2_build_script_20101231

(1)Move to the OpenCV 2.2　directory

% cd OpenCV-2.2.0

(2)Apply the patch to OpenCV 2.2

% patch -p1 < ../opencv2.2_for_ios4.2_build_script_20101231/OpenCV-2.2.0.patch

(3)Move to the build script directory

% cd ../niw-iphone_opencv_test-4ab0572

(4)Apply the patch to the build script

% patch -p1 < ../opencv2.2_for_ios4.2_build_script_20101231/niw-iphone_opencv_test-4ab0572.patch

This will go through the applying the patch.
Please delete "include","lib","share" directory from the following directory.

• niw-iphone_opencv_test-4ab0572\opencv_simulator
• niw-iphone_opencv_test-4ab0572\opencv_device

Build

For simulator

(1)Move to the build script directory

% cd ../niw-iphone_opencv_test-4ab0572

(2)Create the build directory(for simulator)

% mkdir build_simulator

(3)Move to the build directory(for simulator)

% cd build_simulator

(4)Do the CMake

% ../opencv_cmake.sh Simulator ../../OpenCV-2.2.0

(5)Build

% make -j 4

(6)Install the library

% make install

For device

(1)Move to the build script directory

% cd ../niw-iphone_opencv_test-4ab0572

(2)Create he build directory(for device)

% mkdir build_device

(3)Move to the build directory(for device)

% cd build_device

(4)Do the CMake

% ../opencv_cmake.sh Device ../../OpenCV-2.2.0

(5)Build

% make -j 4

(6)Install the library

% make install

Sample Program

Please open the niw-iphone_opencv_test-4ab0572\OpenCVTest.xcodeproj using Xcode.

Sample of edge detection

Sample of face detection