[Opencv-python] cv2.addWeighted(...) Image mixing weighting

[Opencv-python] cv2.addWeighted image mixed weighting

1. Background

For detailed documentation, please refer to official information.
This blog is as simple and clear as possible. If there are any errors, please correct me.

The python and cv2 versions of this blog are as follows:

python:3.6.8 (tags/v3.6.8:3c6b436a57, Dec 24 2018, 00:16:47) [MSC v.1916 64 bit (AMD64)]
opencv-python:4.5.1.48

Opencv provides an api for mixing and weighting two images, which essentially calculates the weighted sum of two arrays:

cv2.addWeighted(src1, alpha, src2, beta, gamma[, dst[

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Origin blog.csdn.net/jn10010537/article/details/114176767