It looks like you just need a basic integer array indexing:
filter_indices = [1,3,5]
np.array([11,13,155,22,0xff,32,56,88])[filter_indices]
It looks like you just need a basic integer array indexing:
filter_indices = [1,3,5]
np.array([11,13,155,22,0xff,32,56,88])[filter_indices]