Can Neural Image Captioning be Controlled via Forced Attention?

Philipp Sadler, Tatjana Scheffler, David Schlangen


Abstract
Learned dynamic weighting of the conditioning signal (attention) has been shown to improve neural language generation in a variety of settings. The weights applied when generating a particular output sequence have also been viewed as providing a potentially explanatory insight in the internal workings of the generator. In this paper, we reverse the direction of this connection and ask whether through the control of the attention of the model we can control its output. Specifically, we take a standard neural image captioning model that uses attention, and fix the attention to predetermined areas in the image. We evaluate whether the resulting output is more likely to mention the class of the object in that area than the normally generated caption. We introduce three effective methods to control the attention and find that these are producing expected results in up to 27.43% of the cases.
Anthology ID:
W19-8653
Volume:
Proceedings of the 12th International Conference on Natural Language Generation
Month:
October–November
Year:
2019
Address:
Tokyo, Japan
Venue:
INLG
SIG:
SIGGEN
Publisher:
Association for Computational Linguistics
Note:
Pages:
427–431
Language:
URL:
https://aclanthology.org/W19-8653
DOI:
10.18653/v1/W19-8653
Bibkey:
Cite (ACL):
Philipp Sadler, Tatjana Scheffler, and David Schlangen. 2019. Can Neural Image Captioning be Controlled via Forced Attention?. In Proceedings of the 12th International Conference on Natural Language Generation, pages 427–431, Tokyo, Japan. Association for Computational Linguistics.
Cite (Informal):
Can Neural Image Captioning be Controlled via Forced Attention? (Sadler et al., INLG 2019)
Copy Citation:
PDF:
https://preview.aclanthology.org/ingestion-script-update/W19-8653.pdf
Supplementary attachment:
 W19-8653.Supplementary_Attachment.pdf
Data
COCOVisual Genome