From 95d78c2bc2f6c5851cd1124b109077a04b526f10 Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Sun, 5 Dec 2021 20:24:39 +0100
Subject: Remove ViT once again

---
 text_recognizer/networks/transformer/vit.py | 46 -----------------------------
 1 file changed, 46 deletions(-)
 delete mode 100644 text_recognizer/networks/transformer/vit.py

diff --git a/text_recognizer/networks/transformer/vit.py b/text_recognizer/networks/transformer/vit.py
deleted file mode 100644
index ab331f8..0000000
--- a/text_recognizer/networks/transformer/vit.py
+++ /dev/null
@@ -1,46 +0,0 @@
-"""Vision Transformer."""
-from typing import Tuple, Type
-
-from einops.layers.torch import Rearrange
-import torch
-from torch import nn, Tensor
-
-
-class ViT(nn.Module):
-    def __init__(
-        self,
-        image_size: Tuple[int, int],
-        patch_size: Tuple[int, int],
-        dim: int,
-        transformer: Type[nn.Module],
-        channels: int = 1,
-    ) -> None:
-        super().__init__()
-        img_height, img_width = image_size
-        patch_height, patch_width = patch_size
-        assert img_height % patch_height == 0
-        assert img_width % patch_width == 0
-
-        num_patches = (img_height // patch_height) * (img_width // patch_width)
-        patch_dim = channels * patch_height * patch_width
-
-        self.to_patch_embedding = nn.Sequential(
-            Rearrange(
-                "b c (h p1) (w p2) -> b (h w) (p1 p2 c)",
-                p1=patch_height,
-                p2=patch_width,
-                c=channels,
-            ),
-            nn.Linear(patch_dim, dim),
-        )
-
-        self.pos_embedding = nn.Parameter(torch.randn(1, num_patches, dim))
-        self.transformer = transformer
-        self.norm = nn.LayerNorm(dim)
-
-    def forward(self, img: Tensor) -> Tensor:
-        x = self.to_patch_embedding(img)
-        _, n, _ = x.shape
-        x += self.pos_embedding[:, :n]
-        x = self.transformer(x)
-        return x
-- 
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