2d seg from pseudo 3d model adaptation
weights used: https://storage.googleapis.com/microns-seunglab/minnie65/semanticweights/model479000.chkpt
Original input spec from Seung Lab and Zetta.ai: 256 x 256 x 20 patches @ 7.16 x 7.16 x 40 nm^3 resolution Scaled to [0,1] - division by 255