activity
20172021
most citedExtremely Large Minibatch SGD: Training ResNet-50 on ImageNet in 15 Minutes

281 citations · 365 across the 5 of their papers we have counts for

collaborators

8 papers

cs.LG20215 cited

A Scaling Law for Synthetic-to-Real Transfer: How Much Is Your Pre-training Effective?

Hiroaki Mikami, Kenji Fukumizu, Shogo Murai +5

Synthetic-to-real transfer learning is a framework in which a synthetically generated dataset is used to pre-train a model to improve its performance on real vision tasks. The most…

cs.CV202019 cited

An Inductive Transfer Learning Approach using Cycle-consistent Adversarial Domain Adaptation with Application to Brain Tumor Segmentation

Yuta Tokuoka, Shuji Suzuki, Yohei Sugawara

With recent advances in supervised machine learning for medical image analysis applications, the annotated medical image datasets of various domains are being shared extensively. G…

cs.CV20192 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

Chainer: A Deep Learning Framework for Accelerating the Research Cycle

Seiya Tokui, Ryosuke Okuta, Takuya Akiba +7

Software frameworks for neural networks play a key role in the development and application of deep learning methods. In this paper, we introduce the Chainer framework, which intend…

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

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…