In my opinion , Image Thresholding methods like: Otsu method and K-means Clustering is the best segmentation algorithm

In my opinion , Image Thresholding methods like: Otsu method and K-means Clustering is the best segmentation algorithm

Thank you for help me!

It depends on the application

In my expereince a trainable random forest classifier like the one ilastik uses does really well on images that more straighforward thresholding alogrithms struggle. https://www.ilastik.org/