init - 初始化项目

doc/js_tutorials/js_tutorials.markdown

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+OpenCV.js Tutorials {#tutorial_js_root}
+=======================
+-   @subpage tutorial_js_table_of_contents_setup
+
+    Learn how to use OpenCV.js inside your web pages!
+
+-   @subpage tutorial_js_table_of_contents_gui
+
+    Here you will learn how to read and display images and videos, and create trackbar.
+
+-   @subpage tutorial_js_table_of_contents_core
+
+    In this section you will learn some basic operations on image, some mathematical tools and some data structures etc.
+
+-   @subpage tutorial_js_table_of_contents_imgproc
+
+    In this section
+    you will learn different image processing functions inside OpenCV.
+
+-   @subpage tutorial_js_table_of_contents_video
+
+    In this section you
+    will learn different techniques to work with videos like object tracking etc.
+
+-   @subpage tutorial_js_table_of_contents_objdetect
+
+    In this section you
+    will object detection techniques like face detection etc.
+
+-   @subpage tutorial_js_table_of_contents_dnn
+
+    These tutorials show how to use dnn module in JavaScript