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31 questions
Tagged
alpha
×
16k
views
2
answers
4
votes
2012-12-03 14:27:52 -0600
mjepson
Problem Reading PNG with Transparency layer
imread
libpng
png
alpha
transparency
mask
393
views
1
answer
1
vote
2013-01-06 03:37:32 -0600
Alexander Smorkalov
Patches I would like to introduce - need advice
jpeg
tiff
alpha
channel
chroma
subsampling
1k
views
no
answers
no
votes
2013-07-10 22:54:36 -0600
awu
Alpha-Dependent Template Matching
code_review
alpha
matchTemplate
950
views
1
answer
no
votes
2013-09-06 03:13:12 -0600
SergioBasurco
Transparent border after calibration
calibration
remap
border
mask
alpha
633
views
1
answer
no
votes
2013-09-25 11:22:10 -0600
drKzs
CvMat imread alpha
Mat
imread
alpha
769
views
no
answers
no
votes
2013-10-25 04:13:49 -0600
bielski
stereoRectification - alpha parameter impact
stereorectify
stereo
alpha
172
views
no
answers
no
votes
2014-05-13 13:58:24 -0600
morganpackard
Can anyone confirm that there's no way to read video using VideoCapture without losing alpha?
videocapture
alpha
9k
views
1
answer
1
vote
2014-06-30 01:41:59 -0600
Haris
How to create a semi transparent shape?
shape
transparency
alpha
Noteworthy_Content
15k
views
1
answer
5
votes
2014-07-18 03:48:05 -0600
Haris
How to set transparent background to grabcut output image in OpenCV (C++)?
transparency
alpha
grabcut
BackgroundSubtractor
174
views
no
answers
no
votes
2014-08-20 16:44:15 -0600
sukye
cant read alpha channels [closed]
alpha
tiff
654
views
1
answer
no
votes
2014-09-13 01:18:48 -0600
thisiscool
Installing OpenCV 3 alpha for python in windows?
python
install
windows
opencv3
alpha
133
views
no
answers
no
votes
2014-09-13 12:10:22 -0600
hoba
OpenCV 3.0.0 alpha iOS
ios
alpha
3.0.0
92
views
no
answers
no
votes
2014-09-15 03:07:29 -0600
Mohammed Hgras
openCV IOS Alpha no cap_ios.h
alpha
cap_ios
33k
views
5
answers
2
votes
2014-10-01 22:46:11 -0600
Haris
How to remove black background from grabcut output image in OpenCV android ?
grabcut
alpha
Split
merge
RGBA
Noteworthy_Content
139
views
no
answers
1
vote
2014-10-02 04:59:49 -0600
Jan Marek
Is there a reason behind hiding FeatureExtractor::compute(...) in Feature 2D?
feature
extraction
opencv
3.0
alpha
1k
views
2
answers
1
vote
2014-10-02 10:00:32 -0600
berak
Why does cv::DescriptorExtractor::compute return empty descriptors for a std::vector<cv::Mat>?
opencv
3.0
alpha
feature
extraction
compute
157
views
no
answers
no
votes
2014-10-03 16:26:52 -0600
sheldon
How to build Opencv 3 alpha with cmake
alpha
3k
views
1
answer
1
vote
2014-12-02 01:24:04 -0600
rwong
blending two color images
Blend
alpha
Color
addweighted
accumulate
321
views
no
answers
no
votes
2015-02-24 12:36:36 -0600
Dhanashri
Does opencv 3.0.0 alpha supports ARM Neon SIMD implemetation for FREAK descriptor?
ARM-SIMD
freak
opencv
3.0.0
alpha
1k
views
no
answers
1
vote
2015-09-14 15:23:21 -0600
mbaltus
Most Efficient Alpha Blending
alpha
Blend
efficient
loop
35k
views
1
answer
4
votes
2015-10-13 21:10:43 -0600
sturkmen
How to overlay an PNG image with alpha channel to another PNG?
png
overlay
alpha
alpha-blending
2k
views
1
answer
1
vote
2015-11-18 11:31:13 -0600
Rival
How to obtain Alpha from cv::mat (For wxWidgets::wxImage)
opencv
alpha
wxImage
CvMat
9k
views
1
answer
8
votes
2016-04-23 03:52:25 -0600
Finfa811
Blending artifacts in OpenCV image stitching
stitching
blending
blurring
artifacts
alpha
709
views
1
answer
no
votes
2016-07-20 03:48:15 -0600
StevenPuttemans
Transparency (alpha) handling in cascade training?
transparency
alpha
createsamples
opencv_createsamples
1k
views
no
answers
-1
votes
2016-09-15 00:59:10 -0600
berak
Read a gray scale or monochrome image with alpha channel [closed]
imread
alpha
3k
views
1
answer
-1
votes
2016-10-03 00:49:56 -0600
berak
keeping the alpha channel in transparent image mat
alpha
alpha-blending
png
mask
background
overlay
1k
views
2
answers
no
votes
2017-06-19 10:00:27 -0600
LBerger
img = img1*mask + img2*(1-mask) How do that ?
merge
alpha
1k
views
2
answers
1
vote
2018-12-01 06:30:37 -0600
LBerger
Help with alpha gradient
unity
gradient
alpha
2k
views
no
answers
-1
votes
2019-10-08 06:58:18 -0600
berak
Alpha channel overlay back to RGB
aiortc
av
RGB
alpha
overlay
1k
views
1
answer
1
vote
2020-02-01 13:02:33 -0600
LBerger
Png transparent, text problems with glow
python
png
alpha
1
2
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