opencv4 - 随笔分类(第3页) - cyssmile

在图片中截取相应区域的数据

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_008/opencv_008.cpp 本段实例代码展示截取某张图片中一个长方形区域的数据阅读全文

posted @ 2020-03-13 11:50 cyssmile 阅读(165) 评论(0) 推荐(1)

图片的通道合并与分离

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_008/opencv_008.cpp 包括split() merge() 相关api 阅读全文

posted @ 2020-03-13 11:48 cyssmile 阅读(197) 评论(0) 推荐(1)

图片中绘制长方形圆椭圆以及添加文字等操作

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_008/opencv_008.cpp 阅读全文

posted @ 2020-03-13 11:46 cyssmile 阅读(487) 评论(0) 推荐(1)

图片ROI的最大最小元素定位以及像素的均值

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_006/opencv_006.cpp 相关的api为minMaxLoc() meanStdDev() 阅读全文

posted @ 2020-03-13 11:44 cyssmile 阅读(225) 评论(0) 推荐(1)

图片的取反与或非等操作

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_006/opencv_006.cpp 包括bitwise_not() bitwise_and() bitwise_or() 等相关api操阅读全文

posted @ 2020-03-13 11:39 cyssmile 阅读(397) 评论(0) 推荐(1)

图片的加减乘除以及改变对比度操作

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_004/opencv_004.cpp 包括 add() subtract() multiply() divide() addWeighte 阅读全文

posted @ 2020-03-13 11:34 cyssmile 阅读(202) 评论(0) 推荐(1)

Mat对象元素-基于指针的访问方式

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_004/opencv_004.cpp 阅读全文

posted @ 2020-03-13 11:30 cyssmile 阅读(175) 评论(0) 推荐(1)

Mat对象元素基于数组的方式访问

摘要：这段代码注释有问题，这是基于数组的方式访问的。 https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_004/opencv_004.cpp 阅读全文

posted @ 2020-03-13 11:28 cyssmile 阅读(175) 评论(0) 推荐(1)

Mat对象创建

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/opencv_test/opencv_003/opencv003.cpp 阅读全文

posted @ 2020-03-12 14:43 cyssmile 阅读(150) 评论(0) 推荐(1)

opencv4-windows环境配置

摘要：https://github.com/cyssmile/openCV_learning_notes/blob/master/%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md 阅读全文

posted @ 2020-03-12 14:37 cyssmile 阅读(298) 评论(0) 推荐(1)

cyssmile

随笔分类 - opencv4

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