Project title

AI based document imageprocessing for OCR (robust OCR)

Submitted to:

  • Dr. Nidhi Chahal
  • Dr. Manoj Sharma

Submitted By:

  1. Gade Manasa
  2. Ashutosh Singh
  3. Piyush Sharma
  4. Sarathchandran
  5. Sai Satya Harika

Project Description

Recognizing text from degraded and lowresolution document images is still an open challenge in the vision community. Existing text recognition systems require a certain resolution and fails if the document is of lowresolution or heavily degraded or noisy. This paper presents an end-to-end trainable deep-learning based framework for joint optimization of document enhancement and recognition. We are using a generative adversarial network (GAN) based framework to perform image denoising followed by deep back projection network (DBPN) for super-resolution and use these super-resolved features to train a bidirectional long short term memory (BLSTM) with Connectionist Temporal Classification (CTC) for recognition of textual sequences. The entire network is end-to-end trainable and we obtain improved results than state-of-the-art for both the image enhancement and document recognition tasks. We demonstrate results on both printed and handwritten degraded document datasets to show the generalization capability of our proposed robust framework.

Project Poster

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