October 2016
Intermediate to advanced
558 pages
12h 39m
English
Content preview from OpenCV: Computer Vision Projects with PythonBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating the training sets and cascade
Hereafter, we will refer to the two executables as <opencv_createsamples> and <opencv_traincascade>. Remember to substitute the path and filename that are appropriate to your system and setup.
These executables have certain data files as inputs and outputs. Following is a typical approach to generating these data files:
- Manually create a text file that describes the set of negative training images. We will refer to this file as
<negative_description>. - Manually create a text file that describes the set of positive training images. We will refer to this file as
<positive_description>. - Run
<opencv_createsamples>with<negative_description>and<positive_description>as arguments. The executable creates a binary ...
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