QTG-VQA: Question-Type-Guided Architectural for VideoQA Systems
Zhixian He, Pengcheng Zhao, Fuwei Zhang, Shujin Lin

TL;DR
This paper introduces QTG-VQA, an architecture that leverages question-type guidance and adaptive learning to improve VideoQA performance, especially in handling temporal dependencies and diverse question types.
Contribution
The paper proposes a novel question-type-guided architecture with attention and adaptive mechanisms, addressing challenges in temporal modeling and uneven question type distribution in VideoQA.
Findings
Enhanced temporal modeling with Masking Frame Modeling technique.
Improved performance on question-type-specific evaluation metrics.
Effectiveness demonstrated through experimental results.
Abstract
In the domain of video question answering (VideoQA), the impact of question types on VQA systems, despite its critical importance, has been relatively under-explored to date. However, the richness of question types directly determines the range of concepts a model needs to learn, thereby affecting the upper limit of its learning capability. This paper focuses on exploring the significance of different question types for VQA systems and their impact on performance, revealing a series of issues such as insufficient learning and model degradation due to uneven distribution of question types. Particularly, considering the significant variation in dependency on temporal information across different question types, and given that the representation of such information coincidentally represents a principal challenge and difficulty for VideoQA as opposed to ImageQA. To address these challenges,…
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Taxonomy
TopicsAdvanced Image and Video Retrieval Techniques · Machine Learning and Algorithms
MethodsSoftmax · Attention Is All You Need
