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| 2018-07-28 11:13:14 -0600 | commented question | Calculate Mean and StdDev for the whole RGB image What is the formula for overall Std Dev? You can't simply do (stddev_r + stddev_g + stddev_b)/3 That's clear from the m |
| 2018-07-28 11:06:51 -0600 | asked a question | Calculate Mean and StdDev for the whole RGB image Calculate Mean and StdDev for the whole RGB image opencv provides convenient function such as cv::mean and cv::meanStdDe |