1 files changed, 0 insertions, 51 deletions
diff --git a/text_recognizer/models/greedy_decoder.py b/text_recognizer/models/greedy_decoder.py
deleted file mode 100644
index 9d2f192..0000000
--- a/text_recognizer/models/greedy_decoder.py
+++ /dev/null
@@ -1,51 +0,0 @@
-"""Greedy decoder."""
-from typing import Type
-from text_recognizer.data.tokenizer import Tokenizer
-import torch
-from torch import nn, Tensor
-
-
-class GreedyDecoder:
-    def __init__(
-        self,
-        network: Type[nn.Module],
-        tokenizer: Tokenizer,
-        max_output_len: int = 682,
-    ) -> None:
-        self.network = network
-        self.start_index = tokenizer.start_index
-        self.end_index = tokenizer.end_index
-        self.pad_index = tokenizer.pad_index
-        self.max_output_len = max_output_len
-
-    def __call__(self, x: Tensor) -> Tensor:
-        bsz = x.shape[0]
-
-        # Encode image(s) to latent vectors.
-        img_features = self.network.encode(x)
-
-        # Create a placeholder matrix for storing outputs from the network
-        indecies = torch.ones((bsz, self.max_output_len), dtype=torch.long).to(x.device)
-        indecies[:, 0] = self.start_index
-
-        for Sy in range(1, self.max_output_len):
-            tokens = indecies[:, :Sy]  # (B, Sy)
-            logits = self.network.decode(tokens, img_features)  # (B, C, Sy)
-            indecies_ = torch.argmax(logits, dim=1)  # (B, Sy)
-            indecies[:, Sy : Sy + 1] = indecies_[:, -1:]
-
-            # Early stopping of prediction loop if token is end or padding token.
-            if (
-                (indecies[:, Sy - 1] == self.end_index)
-                | (indecies[:, Sy - 1] == self.pad_index)
-            ).all():
-                break
-
-        # Set all tokens after end token to pad token.
-        for Sy in range(1, self.max_output_len):
-            idx = (indecies[:, Sy - 1] == self.end_index) | (
-                indecies[:, Sy - 1] == self.pad_index
-            )
-            indecies[idx, Sy] = self.pad_index
-
-        return indecies