summaryrefslogtreecommitdiff
path: root/text_recognizer/networks/image_encoder.py
diff options
context:
space:
mode:
authorGustaf Rydholm <gustaf.rydholm@gmail.com>2023-08-25 23:19:14 +0200
committerGustaf Rydholm <gustaf.rydholm@gmail.com>2023-08-25 23:19:14 +0200
commit49ca6ade1a19f7f9c702171537fe4be0dfcda66d (patch)
tree20062ed1910758481f3d5fff11159706c7b990c6 /text_recognizer/networks/image_encoder.py
parent0421daf6bd97596703f426ba61c401599b538eeb (diff)
Rename and add flash atten
Diffstat (limited to 'text_recognizer/networks/image_encoder.py')
-rw-r--r--text_recognizer/networks/image_encoder.py45
1 files changed, 0 insertions, 45 deletions
diff --git a/text_recognizer/networks/image_encoder.py b/text_recognizer/networks/image_encoder.py
deleted file mode 100644
index ab60560..0000000
--- a/text_recognizer/networks/image_encoder.py
+++ /dev/null
@@ -1,45 +0,0 @@
-"""Encodes images to latent embeddings."""
-from typing import Tuple, Type
-
-from torch import Tensor, nn
-
-from text_recognizer.networks.transformer.embeddings.axial import (
- AxialPositionalEmbeddingImage,
-)
-
-
-class ImageEncoder(nn.Module):
- """Encodes images to latent embeddings."""
-
- def __init__(
- self,
- encoder: Type[nn.Module],
- pixel_embedding: AxialPositionalEmbeddingImage,
- ) -> None:
- super().__init__()
- self.encoder = encoder
- self.pixel_embedding = pixel_embedding
-
- def forward(self, img: Tensor) -> Tensor:
- """Encodes an image into a latent feature vector.
-
- Args:
- img (Tensor): Image tensor.
-
- Shape:
- - x: :math: `(B, C, H, W)`
- - z: :math: `(B, Sx, D)`
-
- where Sx is the length of the flattened feature maps projected from
- the encoder. D latent dimension for each pixel in the projected
- feature maps.
-
- Returns:
- Tensor: A Latent embedding of the image.
- """
- z = self.encoder(img)
- z = z + self.pixel_embedding(z)
- z = z.flatten(start_dim=2)
- # Permute tensor from [B, E, Ho * Wo] to [B, Sx, E]
- z = z.permute(0, 2, 1)
- return z