Deep Learning-Based Image Captioning for Visual Impairment Using a VGG16 and LSTM Approach
Keywords:
Image Captioning, Visually Impaired, Convolutional Neural Networks (CNN), Long Short-Term Memory (LSTM), Text-to-Speech, Bilingual Evaluation Understudy (BLEU) Score.Abstract
Visually impaired persons frequently have trouble understanding their environment. which affects regular tasks like reading signs, navigating their surroundings and recognizing things. Providing precise and timely image descriptions is crucial to improving their comprehension of their surroundings. Even if they work, traditional image captioning techniques frequently fail to provide clear, understandable explanations. Recent developments in deep learning present fresh chance to enhances to enhance picture captioning. In this sector, long short-Term Memory (LSTM) networks and Convolutional Neural Networks (CNNs) have become indispensable instruments. This research focuses on applications like VGG16 and Resnet models, data augmentation and transfer learning with a custom dataset to create such kind of captioning system providing original setup for precise context retrieval. Additionally, the system utilizes a text-to-speech functionality so users can listen to their responses if they are visually impaired. The highest accuracy obtained by the model is 0.9106 and validation loss was 0.1766. On randomly chosen set data experiments are conducted, there were significant differences between the BLEU scores we observed, ranging from 0.7788, to a perfect score of 0.1, indicating a diverse range of captions accuracy. This research shows how the adopted more sophisticated CNN models along with text-to-speech can improve image captioning systems by offering visually impaired detailed and meaningful descriptions.
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