add vqvae and cardiac model

Autoencoder/vqvae/vq_cardiac_d4.ckpt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2975a8c8aa564ab49c0cbcaacddac7aa19d68af208f3f00183e75d3dbff6c5d
+size 756213966

Autoencoder/vqvae/vq_cardiac_d4.yaml

@@ -0,0 +1,43 @@
+model:
+  base_learning_rate: 4.5e-06
+  target: taming.models.vqgan.VQModel
+  params:
+    embed_dim: 3
+    n_embed: 8192
+    ddconfig:
+      double_z: false
+      z_channels: 3
+      resolution: 256
+      in_channels: 3
+      out_ch: 3
+      ch: 128
+      ch_mult:
+      - 1
+      - 2
+      - 4
+      num_res_blocks: 2
+      attn_resolutions: []
+      dropout: 0.0
+    lossconfig:
+      target: taming.modules.losses.vqperceptual.VQLPIPSWithDiscriminator
+      params:
+        disc_conditional: false
+        disc_in_channels: 3
+        disc_start: 30001
+        disc_weight: 0.8
+        codebook_weight: 1.0
+data:
+  target: main.DataModuleFromConfig
+  params:
+    batch_size: 6
+    num_workers: 24
+    train:
+      target: taming.data.imagenet.ImageNetSR
+      params:
+        config:
+          size: 256
+    validation:
+      target: taming.data.imagenet.ImageNetSRVal
+      params:
+        config:
+          size: 256