make darkmap handling slightly more robust
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					 1 changed files with 2 additions and 1 deletions
				
			
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			@ -29,7 +29,8 @@ void ImagePipeline::applyDarkMap(cv::Mat& image, const cv::Mat& darkmap)
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			cv::cvtColor(darkmap, localDarkMap,  cv::COLOR_BGR2GRAY);
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		else if(image.channels() == 3 && darkmap.channels() == 1)
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			cv::cvtColor(darkmap, localDarkMap,  cv::COLOR_GRAY2BGR);
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		else
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		if(!localDarkMap.data || image.channels() != localDarkMap.channels())
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			return;
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	}
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	else
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