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2017-03-04 12:49:27 -0600 received badge  Popular Question (source)
2016-01-16 12:55:32 -0600 received badge  Student (source)
2013-03-18 06:26:06 -0600 commented answer Round object detection

I don't think this will work since sperm cells are not round, are elliptical, and main feature to rule out false positives is the tail. The picture below is poor in quality, but can give you an ideea:[term]=sperm%20100X&filters[primary]=images&filters[secondary]=videos&sort=1&o=0

2013-03-10 16:56:08 -0600 received badge  Editor (source)
2013-03-09 18:00:54 -0600 asked a question Round object detection

image descriptionimage descriptionHello,

I am new to opencv and I would like some hints. I am doing clinical research and I need to detect sperm cells by analyzing images. The pictures are in grayscale, need to cleaned out of impurities and contrast must be increased. The magnification is low, so the cells are barely visible to the human eye. I have tried with templates, but doesn't quite work, because the position/orientation varies. What is the best approach for filtering and detecting an elliptical object with a tail? Here is a link with an image: or[term]=sperm%20100X&filters[primary]=images&filters[secondary]=videos&sort=1&o=0image description Tx