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Posts
ウェブサイトをリニューアルしました
Published:
ウェブサイトをリニューアルしました。これまでReactで書いたウェブサイトを用いていましたが、メンテナンス性やSEOの観点から、Jekyllベースのテンプレート Academic Pages でリニューアルしました。
Fastai, WandB, timmによるビジョンモデルのパラメータ探索とファインチューニングの方法
Published:
CNNやVision Transformerなどの画像認識モデル（ビジョンモデル）の学習では、探索すべきハイパーパラメータがいくつかあります。こういったハイパラチューニングや、その他の性能を最大まで引き出すために必要なプロセスについては、例えば The best vision models for fine-tuning や ConvNext論文 が非常に参考になります。この記事では、上記を踏まえて、Fastai、WandB (Weights and Biases)、timm (Python Image Models) を活用して画像認識タスク解決のためのモデル選定・パラメータチューニング・ファインチューニングの方法についてまとめます。
projects
ParticleHolography.jl
An open-source julia package for holographic particle measurement 
publications
In-Line Digital Holographic Reconstruction by Using GPU Programming with Python
Published in Advanced Experimental Mechanics 7, 2022
Spatial Frequency Analysis of Holograms of Two Droplets in Close Proximity
Published in Advanced Experimental Mechanics 8, 2023
Particle Size Measurement Using a Phase Retrieval Holography System with a GPU-Equipped SBC
Published in KONA Powder and Particle Journal 41, 2024
Experimental Analysis of Microparticle Elongation in the Optical Axis in Holographic Particle Measurement
Published in Advanced Experimental Mechanics 9, 2024
Estimating Statistics Related to Droplet Collision Using High-Speed Imaging and Off-the-Shelf Image Processing Tools
Published in Advanced Experimental Mechanics 9, 2024
ParticleHolography.jl: Holographic particle measurement in Julia
Published in SoftwareX, 2025
talks
Presented at the 2024 Annual Meeting of JSEM
Published:
I presented a talk titled “Visualization of Three-Dimensional Droplet Trajectories Using Phase-Retrieval Holography” at the 2024 Annual Meeting of The Japanese Society for Experimental Mechanics (JSEM) held at Yamagata University, Yonezawa, Japan.
Presented at ISOM 2024
Published:
I presented a talk titled “Efficient Extraction of Colliding Droplet Holograms Using Machine Learning” at the 2024 International Symposium on Optical Memory (ISOM) held at Arcrea HIMEJI, Himeji, Japan.
Presented at the Meteorological Society of Japan 2024 Fall Meeting
Published:
I presented a talk titled “3D high-speed imaging and collision observation of aerosol particles using digital holography” at the Meteorological Society of Japan 2024 Fall Meeting and received Matsuno Award.
Presented at the 17th Symposium on Aerosol Cloud Climate Interactions at the AMS 105th Annual Meeting
Published:
I presented a talk titled “High-Speed 3D Imaging System Using Inline Phase Retrieval Holography: Application to Aerosol Particle Analysis in Laboratory” at the 17th Symposium on Aerosol Cloud Climate Interactions at the AMS 105th Annual Meeting and received Honorable Mention for Best Student Presentation.