6 CONCLUSIONS
The suggested image captioning model combines
CNNs and Transformers to produce descriptive and
contextually accurate captions. Employing the
Flickr_8k dataset consisting over 8,000 images with
five captions each, the model utilizes EfficientNetB0,
a pre-trained CNN, to extract visual features, which
are then fed into a Transformer encoder to account for
contextual relationships and long-distance
dependencies. The Transformer decoder produces
word-for-word captions from the encoded features
and already generated tokens, supporting real-time
captioning of multiple images. Although this solution
shows the efficacy of blending CNNs with
Transformers, things can be improved in the future
using larger datasets such as MS COCO and
Flickr30k, hyperparameter tuning, and testing
different CNN architectures like InceptionV3,
Xception, and ResNet. Also, this work may be
extended to video captioning and multi-lingual
captioning, generalizing its usefulness. With
increasing advancements in deep learning, greater
improvements in understanding images and natural
language generation may be anticipated in the future,
and image captioning systems can become more
accurate and efficient.
7 FUTURE SCOPE
The suggested CNN-Transformer-based image
captioning model holds great prospects for future
refinement and use. Larger and more varied datasets
like MS COCO and Flickr30K can help enhance
captioning quality, whereas domain-specific data can
increase its usage in medical and autonomous
vehicles. Fine-tuning various CNN architectures (like
ResNet, InceptionV3, and Xception) and
hyperparameters can be made to further the
performance. Cross-lingual and multi-lingual
captioning can be attained by applying cross-lingual
transfer learning and language models. Expanding the
model to captioning videos through the inclusion of
temporal attention mechanisms can provide dynamic
content description, which is beneficial for real-time
use cases like assistive technology for visually
impaired individuals. Further, deploying the model
on mobile and web platforms will provide enhanced
accessibility, and optimizing the model for edge
devices can help in improving efficiency. The
integration of knowledge graphs and external text
data can enhance contextual comprehension, while
the development of Vision-Language Pretrained
Models (e.g., BLIP, Flamingo) and diffusion models
can enhance caption creativity and accuracy further.
Through these future directions, the model can be
made stronger, scalable, and flexible to real-world
applications, making it a useful tool for industries.
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