FFMPEG-SIFT
Extracting SIFT features for key frames when decoding a video in mp4, mpeg, h264 or other video formats. The SIFT features is dumped into a mysql database.
- Other open source code used
- FFMPEG: https://www.ffmpeg.org/
- SIFT: http://www.cs.ubc.ca/~lowe/keypoints/
- SIFT: Scale Invariant Feature Transformation (https://en.wikipedia.org/wiki/Scale-invariant_feature_transform)
- Packages added
- libcbcd/
- Database configuration:
- Edit following lines in libcbcd/sift_main.h
// Add by WCC, cbcd group, 2009-0619
#define def_host_name "localhost"
#define def_user_name "*****"
#define def_password "*****"
#define def_db_name "feat_sift"
- Usage:
- Decoding the video while extracting features:
ffmpeg -i video_name.mpg video_name.yuv - Delete the yuv file:
rm video_name.yuv - Sample bash file in
run