From 2e43506179af2492a2764641f0938efbbd3d2442 Mon Sep 17 00:00:00 2001 From: Antonio Ospite Date: Thu, 1 Oct 2015 10:03:54 +0200 Subject: [PATCH] README: improve the description of requirements for a decent effect --- README | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/README b/README index c4725c4..8fa70b9 100644 --- a/README +++ b/README @@ -15,13 +15,15 @@ using OpenCV. Segmentation can done using either thresholding or background subtraction. -The "sole" assumptions for a decent effect are that: - - 1. the camera does not move; - 2. the background lighting in the scene is quite stable (when doing - background subtraction it is recommended to disable auto-gain in the - camera, and avoiding any artifact introduced by the power line - frequency). +A few conditions are required to create a decent effect: + + 1. the camera should not move; + 2. the lighting in the scene should be quite stable (when doing background + subtraction it is recommended to disable auto-gain in the camera, and + avoid any artifact introduced by the power line frequency); + 3. the subject should enter the scene only after the background learning + phase has finished, i.e. after opencv_trail_effect has showed the preview + window. Examples of use -- 2.1.4