Generating subtitles with controllable length using natural language processing

Examensarbete för masterexamen

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dc.contributor.authorSvensson, Joakim-
dc.contributor.authorTroksch, Victor-
dc.contributor.departmentChalmers tekniska högskola / Institutionen för data och informationstekniksv
dc.description.abstractCreating subtitles for video content is a task that has traditionally been performed manually by subtitlers. When creating a subtitle, there are rules and guidelines for how the text should be presented to the viewer. Therefore, a subtitle, translated from one language to another, often contains linguistic compression in the form of paraphrasing or removing parts of the dialogues. With advances in natural language processing, subtitlers now have tools for machine translation and automated speech recognition to assist them in their work. This thesis aims to explore various methods for how to control the generated output length of a sequence-to-sequence model, which are typically used for text generation and therefore also for machine translation. We apply different modifications to both the model itself and the data to control the output. Furthermore, this project makes use of transfer learning and pre-trained models with the Transformer architecture. The length ratio method produced the best results, in which it was possible to effectively control the output length of a generated subtitle. We also discover that it was also possible to apply this method for a translation model. Although it is a relatively simple method, it produced the desired results with linguistic
dc.subjectNatural Language Processingsv
dc.subjecttext generationsv
dc.titleGenerating subtitles with controllable length using natural language processingsv
dc.type.degreeExamensarbete för masterexamensv
dc.contributor.examinerJohansson, Moa-
dc.contributor.supervisorJohansson, Richard-
Collection:Examensarbeten för masterexamen // Master Theses

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