5 papers
Video Caption Dataset for Describing Human Actions in Japanese
Yutaro Shigeto, Yuya Yoshikawa, Jiaqing Lin +1
In recent years, automatic video caption generation has attracted considerable attention. This paper focuses on the generation of Japanese captions for describing human actions. Wh…
STAIR Actions: A Video Dataset of Everyday Home Actions
Yuya Yoshikawa, Jiaqing Lin, Akikazu Takeuchi
A new large-scale video dataset for human action recognition, called STAIR Actions is introduced. STAIR Actions contains 100 categories of action labels representing fine-grained e…
A Nonparametric Delayed Feedback Model for Conversion Rate Prediction
Yuya Yoshikawa, Yusaku Imai
Predicting conversion rates (CVRs) in display advertising (e.g., predicting the proportion of users who purchase an item (i.e., a conversion) after its corresponding ad is clicked)…
Learning from Noisy Label Distributions
Yuya Yoshikawa
In this paper, we consider a novel machine learning problem, that is, learning a classifier from noisy label distributions. In this problem, each instance with a feature vector bel…
STAIR Captions: Constructing a Large-Scale Japanese Image Caption Dataset
Yuya Yoshikawa, Yutaro Shigeto, Akikazu Takeuchi
In recent years, automatic generation of image descriptions (captions), that is, image captioning, has attracted a great deal of attention. In this paper, we particularly consider…