activity
20212026
collaborators

6 papers

eess.AS2026

Color-based Emotion Representation for Speech Emotion Recognition

Ryotaro Nagase, Ryoichi Takashima, Yoichi Yamashita

Speech emotion recognition (SER) has traditionally relied on categorical or dimensional labels. However, this technique is limited in representing both the diversity and interpreta…

eess.AS2025

Human-CLAP: Human-perception-based contrastive language-audio pretraining

Taisei Takano, Yuki Okamoto, Yusuke Kanamori +3

Contrastive language-audio pretraining (CLAP) is widely used for audio generation and recognition tasks. For example, CLAPScore, which utilizes the similarity of CLAP embeddings, h…

cs.SD2024

Construction and Analysis of Impression Caption Dataset for Environmental Sounds

Yuki Okamoto, Ryotaro Nagase, Minami Okamoto +4

Some datasets with the described content and order of occurrence of sounds have been released for conversion between environmental sound and text. However, there are very few texts…

eess.AS2024

Can We Estimate Purchase Intention Based on Zero-shot Speech Emotion Recognition?

Ryotaro Nagase, Takashi Sumiyoshi, Natsuo Yamashita +2

This paper proposes a zero-shot speech emotion recognition (SER) method that estimates emotions not previously defined in the SER model training. Conventional methods are limited t…

cs.SD2023

Environmental sound synthesis from vocal imitations and sound event labels

Yuki Okamoto, Keisuke Imoto, Shinnosuke Takamichi +3

One way of expressing an environmental sound is using vocal imitations, which involve the process of replicating or mimicking the rhythm and pitch of sounds by voice. We can effect…

cs.SD2021

Sound Event Detection Guided by Semantic Contexts of Scenes

Noriyuki Tonami, Keisuke Imoto, Ryotaro Nagase +3

Some studies have revealed that contexts of scenes (e.g., "home," "office," and "cooking") are advantageous for sound event detection (SED). Mobile devices and sensing technologies…