Hi,
I'm using Imgproc.COLOR_RGBA2GRAY.
BTW, there is an Android OpenCV group:
[email protected].
Hope this helps
/Yaron
--
Yaron Reinharts
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On 05/20/2012 07:26 PM, abdelbar nasri wrote:
hi ;
i use opecv to convert an image stored in the sd card to the gray
scale format using the function
Imgproc.cvtColor(src, dest, Imgproc.COLOR_BGR2GRAY);
; but i have this error !!!
E/AndroidRuntime(19363): java.lang.RuntimeException: Failure
delivering result ResultInfo{who=null, request=1, result=-1,
data=null} to activity
{com.emsir.BarCodeV12.app/com.emsir.BarCodeV12.cam.TakePictureActivity}:
CvException [org.opencv.core.CvException:
/home/andreyk/OpenCV2/trunk/opencv_2.3.1.b2/modules/imgproc/src/color.cpp:2789:
error: (-215) scn == 3 || scn == 4 in function void cv::cvtColor(const
cv::_InputArray&, const cv::_OutputArray&, int, int)
so probablly that the src color space in android app is not BGR !!!
waht is the color space in android systems ??
thank you in advance :)
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