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11 Commits

Author SHA1 Message Date
Marco
ce39add465 vp9: Improvement to skin detection. 
Add consec_zeromv to skin detection.
Reduces false detection in steady background areas.

Change-Id: Ic31c831537d29f082f58477f82ed78f313d7dd30
 2016-03-17 16:26:10 -07:00
Marco
26e5014567 vp9: Switch to model=1 for skin detection. 
Very small change in speed (within 0.5%),
somewhat better detection over RTC clips.

Change-Id: I5bf0a7438fa7ccb60b26887125099e3238e5f298
 2016-03-11 12:51:00 -08:00
Marco
c3d6da666e vp9: Update to skin detection. 
For model=1, use higher threshold on luminance, conditioned
on the skin cluster distance.

Change-Id: I971bccdef7b92b2aeef60af90a8e48b98716a89b
 2016-03-10 15:46:05 -08:00
Marco
82148c02c1 vp9-skinmap. Some adjustments for model=1. 
-use larger threshold on y (as in vp8).
-add distance threshold for each cluster
-use larger skin distance threshold for first cluster
-add some early exist checks.

Keep default setting to model=0.

Change-Id: I1044b99ade4bb1f215a860a019a4d84cee2f7715
 2016-02-03 14:47:15 -08:00
JackyChen
d1e3d0467c VPX skin map improvement. 
Use multiple clusters instead of one and decrease
the distance thresholds.

Add a define to switch between models.
Default is set to existing (1 cluster) model.

Change-Id: I802cd9bb565437ae8983ef39453939f5d5073bb1
 2016-01-28 10:38:14 -08:00
Marco
a8b7c6aad3 vp9-skin detection: Refactoring. 
Add function to compute skin map for a given block, as its
used in several places (cyclic refresh, noise estimation, and denoising).

Change-Id: Ied622908df43b6927f7fafc6c019d1867f2a24eb
 2016-01-04 16:58:06 -08:00
jackychen
eaa101b502 vp9_skin_detection: fix some build warnings. 
Change-Id: Ib779c083e9775dc9922ed6e104f6275bc453bef9
 2015-10-08 09:51:34 -07:00
Marco
0092960d27 Updates to skin detection 
-Use 8x8 or 16x16 blocks.
-Option to use average of center pixel(s).

Change-Id: I7d962da30039d41385843e11606bc6482c7906f9
 2015-08-18 11:55:23 -07:00
Jingning Han
89af744ba6 Change vp9_ prefix function names in vpx_scale to vpx_ 
Change-Id: Iac85902cbbb3e752801dc85de9a3c778e47304aa
 2015-08-14 15:27:43 -07:00
James Zern
f58011ada5 vpx_mem: remove vpx_memset 
vestigial. replace instances with memset() which they already were being
defined to.

Change-Id: Ie030cfaaa3e890dd92cf1a995fcb1927ba175201
 2015-04-28 20:00:59 -07:00
Marco
56435bb7b6 Add skin detection. 
Simple skin detection, from vp8; works reasonable on most of the
RTC clips, but could miss sometimes.

Added debug flag to write out skin map over source input.

Change-Id: I2caea7592f1c459047aac46627eeb24a94946464
 2015-02-11 17:47:17 -08:00