[Discussion] Doubt regarding text vector difference image manipulation method of Dalle-2.

I was going through the (updated)paper, there was this image manipulation method through text difference.
It went like this:

z_i := original image CLIP embedding

z_t := new text CLIP embedding/ embedding of the text for current image manipulation

z_t0 := orignal image's corresponding text CLIP embedding/ text embedding of the text 'a photo' / empty embedding

z_d := l2_norm(z_t - z_t0) <-> text difference vector |
Here l2_norm means, normalising a vector by dividing it with it's norm_p (here …

dalle dalle-2 difference image machinelearning text vector