E2 Dual

E2 Dual-reference checkpoints:

step_00400/model_weights_step_00400.safetensors: training step 400.
step_01000/model_weights_step_01000.safetensors: training step 1000.

Method: source-common + target signed-differential spatial supervision. Training geometry: true 480p cap (short side <= 480, no upscaling), 113 frames at 25 fps.