activity
20182025
most citedPFDet: 2nd Place Solution to Open Images Challenge 2018 Object Detection Track

15 citations · 17 across the 5 of their papers we have counts for

collaborators

6 papers

cs.CL2025

PLaMo 2 Technical Report

Preferred Networks, :, Kaizaburo Chubachi +24

In this report, we introduce PLaMo 2, a series of Japanese-focused large language models featuring a hybrid Samba-based architecture that transitions to full attention via continua…

cs.CL2024

PLaMo-100B: A Ground-Up Language Model Designed for Japanese Proficiency

Preferred Elements, :, Kenshin Abe +18

We introduce PLaMo-100B, a large-scale language model designed for Japanese proficiency. The model was trained from scratch using 2 trillion tokens, with architecture such as QK No…

cs.CV2019★ 2 cited

Team PFDet's Methods for Open Images Challenge 2019

Yusuke Niitani, Toru Ogawa, Shuji Suzuki +4

We present the instance segmentation and the object detection method used by team PFDet for Open Images Challenge 2019. We tackle a massive dataset size, huge class imbalance and f…

cs.LG2019

Optuna: A Next-generation Hyperparameter Optimization Framework

Takuya Akiba, Shotaro Sano, Toshihiko Yanase +2

The purpose of this study is to introduce new design-criteria for next-generation hyperparameter optimization software. The criteria we propose include (1) define-by-run API that a…

cs.CV2018

Sampling Techniques for Large-Scale Object Detection from Sparsely Annotated Objects

Yusuke Niitani, Takuya Akiba, Tommi Kerola +3

Efficient and reliable methods for training of object detectors are in higher demand than ever, and more and more data relevant to the field is becoming available. However, large d…

cs.CV2018★ 15 cited

PFDet: 2nd Place Solution to Open Images Challenge 2018 Object Detection Track

Takuya Akiba, Tommi Kerola, Yusuke Niitani +3

We present a large-scale object detection system by team PFDet. Our system enables training with huge datasets using 512 GPUs, handles sparsely verified classes, and massive class…