diff options
Diffstat (limited to 'ext/opencv/gstskindetect.cpp')
| -rw-r--r-- | ext/opencv/gstskindetect.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/ext/opencv/gstskindetect.cpp b/ext/opencv/gstskindetect.cpp index 36d9480e2..8ecb044ff 100644 --- a/ext/opencv/gstskindetect.cpp +++ b/ext/opencv/gstskindetect.cpp @@ -1,7 +1,7 @@ /* * GStreamer * Copyright (C) 2013 Miguel Casas-Sanchez <miguelecasassanchez@gmail.com> - * + * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation @@ -58,9 +58,6 @@ #include <config.h> #endif -#include <gst/gst.h> - -#include "gstopencvutils.h" #include "gstskindetect.h" #include <opencv2/imgproc/imgproc_c.h> #include <opencv2/legacy/compat.hpp> @@ -327,7 +324,7 @@ gst_skin_detect_transform (GstOpencvVideoFilter * base, GstBuffer * buf, cvCvtColor (filter->cvRGB, filter->cvHSV, CV_RGB2HSV); cvCvtPixToPlane (filter->cvHSV, filter->cvH, filter->cvS, filter->cvV, 0); /* Extract the 3 color components. */ - /* Detect which pixels in each of the H, S and V channels are probably skin pixels. + /* Detect which pixels in each of the H, S and V channels are probably skin pixels. Assume that skin has a Hue between 0 to 18 (out of 180), and Saturation above 50, and Brightness above 80. */ cvThreshold (filter->cvH, filter->cvH2, 10, UCHAR_MAX, CV_THRESH_BINARY); /* (hue > 10) */ cvThreshold (filter->cvH, filter->cvH, 20, UCHAR_MAX, CV_THRESH_BINARY_INV); /* (hue < 20) */ @@ -337,7 +334,7 @@ gst_skin_detect_transform (GstOpencvVideoFilter * base, GstBuffer * buf, /* erode the HUE to get rid of noise. */ cvErode (filter->cvH, filter->cvH, NULL, 1); - /* Combine all 3 thresholded color components, so that an output pixel will only + /* Combine all 3 thresholded color components, so that an output pixel will only be white (255) if the H, S and V pixels were also white. imageSkin = (hue > 10) ^ (hue < 20) ^ (sat > 48) ^ (val > 80), where ^ mean pixels-wise AND */ cvAnd (filter->cvH, filter->cvS, filter->cvSkinPixels1, NULL); @@ -375,7 +372,7 @@ gst_skin_detect_transform (GstOpencvVideoFilter * base, GstBuffer * buf, cvCvtColor (filter->cvdraft, filter->cvRGB, CV_GRAY2RGB); } - /* After this we have a RGB Black and white image with the skin, in + /* After this we have a RGB Black and white image with the skin, in filter->cvRGB. We can postprocess by applying 1 erode-dilate and 1 dilate-erode, or alternatively 1 opening-closing all together, with the goal of removing small (spurious) skin spots and creating large |