Published on Jungbae Parkhttps://jungbaepark.github.io/blog/tags/published/Recent content in Published on Jungbae ParkHugo -- 0.152.2en-usWed, 15 Jan 2025 00:00:00 +0000Multi-Objective Model Hyperparameter Optimization for E-commerce Searchhttps://jungbaepark.github.io/blog/projects/mohper-automl-ecommerce/Wed, 15 Jan 2025 00:00:00 +0000https://jungbaepark.github.io/blog/projects/mohper-automl-ecommerce/Built a multi-objective hyperparameter optimization framework for e-commerce search at Bucketplace, launching tuned parameters 5x+ on SERP and 3x+ on CPLP for CTR/CVR gains. Accepted to CIKM'25 Applied Research Track.Prompt-Aware Speech Scoring System for Second Language Learnershttps://jungbaepark.github.io/blog/projects/speech-scoring-interspeech/Sun, 15 Jan 2023 00:00:00 +0000https://jungbaepark.github.io/blog/projects/speech-scoring-interspeech/Developed a prompt-aware automatic speech scoring system at RIIID that solves the cold-start item problem using BERT/CLIP prompt embeddings. Published at InterSpeech 2023 and deployed to SANTA Say TOEIC Speaking app.Emotional Text-to-Speech and Voice Conversion Systemshttps://jungbaepark.github.io/blog/projects/emotional-tts-humelo/Fri, 15 May 2020 00:00:00 +0000https://jungbaepark.github.io/blog/projects/emotional-tts-humelo/Led development of duration-controllable TTS and emotional voice conversion at Humelo, producing two ICASSP publications (2019 Oral 1st author, 2020). Won Minister of Science and ICT Special Award at K-Startup 2018.Polyphonic Sound Event Detection with Transfer Learninghttps://jungbaepark.github.io/blog/projects/sound-event-detection-transfer-learning/Mon, 15 Apr 2019 00:00:00 +0000https://jungbaepark.github.io/blog/projects/sound-event-detection-transfer-learning/Developed convolutional bidirectional LSTM with synthetic data-based transfer learning for polyphonic sound event detection at Humelo, achieving +28.4% F1 improvement. Published at ICASSP 2019 as corresponding author.