require 'opencv' include OpenCV if ARGV.length < 1 puts "Usage: ruby #{__FILE__} source dest" exit end data = './haarcascade_frontalface_alt.xml' detector = CvHaarClassifierCascade::load(data) image = IplImage.load(ARGV[0]) detector.detect_objects(image).each do |region| color = CvColor::Blue image.rectangle! region.top_left, region.bottom_right, :color => color #ここで顔に枠をつけるよ image.set_roi(region)
