Yes, you can achieve similar functionality to ‘vision.AlphaBlender’ using MATLAB functions outside of the Computer Vision Toolbox, particularly with functions from the Image Processing Toolbox or even basic MATLAB operations.
Using built-in functions such as ‘imfuse’ can be quite useful. While ‘imfuse’ is primarily intended for visually comparing images, it can also be used to blend images together. However, it's important to note that ‘imfuse’ does not offer the same level of control over opacity for each image as manually blending them or using ‘vision.AlphaBlender’.
Also, you can refer to the below article link to know about how to overlay images using transparency-
