Hajime Nagahara

Orcid: 0000-0003-1579-8767

According to our database1, Hajime Nagahara authored at least 170 papers between 2000 and 2024.

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Bibliography

2024
A Coded Aperture as a Key for Information Hiding Designed by Physics-in-the-Loop Optimization.
IEICE Trans. Inf. Syst., January, 2024

Unleashing the Power of Contrastive Learning for Zero-Shot Video Summarization.
J. Imaging, 2024

DiReCT: Diagnostic Reasoning for Clinical Notes via Large Language Models.
CoRR, 2024

SpotFormer: Multi-Scale Spatio-Temporal Transformer for Facial Expression Spotting.
CoRR, 2024

Explainable Image Recognition via Enhanced Slot-attention Based Classifier.
CoRR, 2024

Instruct Me More! Random Prompting for Visual In-Context Learning.
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2024

Revisiting Pixel-Level Contrastive Pre-Training on Scene Images.
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2024

MIDAS: Mixing Ambiguous Data with Soft Labels for Dynamic Facial Expression Recognition.
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2024

Deep Volume Reconstruction from Multi-focus Microscopic Images.
Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2024, 2024

Deep Hardware Modality Fusion for Image Segmentation.
Proceedings of the Pattern Recognition - 27th International Conference, 2024

CALICO: Confident Active Learning with Integrated Calibration.
Proceedings of the Artificial Neural Networks and Machine Learning - ICANN 2024, 2024

Multi-Scale Spatio-Temporal Graph Convolutional Network for Facial Expression Spotting.
Proceedings of the 18th IEEE International Conference on Automatic Face and Gesture Recognition, 2024

Deep Polarization Cues for Single-Shot Shape and Subsurface Scattering Estimation.
Proceedings of the Computer Vision - ECCV 2024, 2024

NeISF: Neural Incident Stokes Field for Geometry and Material Estimation.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

Time-Efficient Light-Field Acquisition Using Coded Aperture and Events.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

Exploring Effective Sensing Indicators of Loneliness For Elderly Community in US and Japan.
Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, 2024

2023
Depth Quality Improvement with a 607 MHz Time-Compressive Computational Pseudo-dToF CMOS Image Sensor.
Sensors, December, 2023

Real-time estimation of the remaining surgery duration for cataract surgery using deep convolutional neural networks and long short-term memory.
BMC Medical Informatics Decis. Mak., December, 2023

Deep Sensing for Compressive Video Acquisition.
Sensors, September, 2023

Cross-language font style transfer.
Appl. Intell., August, 2023

Match them up: visually explainable few-shot image classification.
Appl. Intell., May, 2023

Action Recognition From a Single Coded Image.
IEEE Trans. Pattern Anal. Mach. Intell., April, 2023

Inference Time Evidences of Adversarial Attacks for Forensic on Transformers.
CoRR, 2023

Human-Imperceptible Identification With Learnable Lensless Imaging.
IEEE Access, 2023

Contrastive Losses Are Natural Criteria for Unsupervised Video Summarization.
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2023

iCareLoop: Data Management System for Monitoring Gerontological Social Isolation and Loneliness.
Proceedings of the Fourteenth International Conference on Mobile Computing and Ubiquitous Network, 2023

iCareLoop: Closed-Loop Sensing and Intervention for Gerontological Social Isolation and Loneliness.
Proceedings of the ACM/IEEE 14th International Conference on Cyber-Physical Systems, 2023

A Compact BRDF Scanner with Multi-conjugate Optics.
Proceedings of the IEEE International Conference on Computational Photography, 2023

Automated Detection of Students' Gaze Interactions in Collaborative Learning Videos: A Novel Approach.
Proceedings of the Responsive and Sustainable Educational Futures, 2023

Learning Bottleneck Concepts in Image Classification.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Inverse Rendering of Translucent Objects using Physical and Neural Renderers.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Short: Integrated Sensing Platform for Detecting Social Isolation and Loneliness In the Elderly Community.
Proceedings of the IEEE/ACM Conference on Connected Health: Applications, 2023

Automated Orthodontic Diagnosis from a Summary of Medical Findings.
Proceedings of the 5th Clinical Natural Language Processing Workshop, 2023

2022
Information Extraction from Public Meeting Articles.
SN Comput. Sci., 2022

Corpus Construction for Historical Newspapers: A Case Study on Public Meeting Corpus Construction Using OCR Error Correction.
SN Comput. Sci., 2022

A Dual-Mode 303-Megaframes-per-Second Charge-Domain Time-Compressive Computational CMOS Image Sensor.
Sensors, 2022

Resolving Multi-Path Interference in Compressive Time-of-Flight Depth Imaging with a Multi-Tap Macro-Pixel Computational CMOS Image Sensor.
Sensors, 2022

Surface Normals and Light Directions From Shading and Polarization.
IEEE Trans. Pattern Anal. Mach. Intell., 2022

A General Scattering Phase Function for Inverse Rendering.
CoRR, 2022

Learning More May Not Be Better: Knowledge Transferability in Vision and Language Tasks.
CoRR, 2022

A Japanese Dataset for Subjective and Objective Sentiment Polarity Classification in Micro Blog Domain.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Emotional Intensity Estimation based on Writer's Personality.
Proceedings of the 2nd Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 12th International Joint Conference on Natural Language Processing, 2022

Blockwise Feature-Based Registration of Deformable Medical Images.
Proceedings of the Intelligent Computing Theories and Application, 2022

Privacy-Preserving Action Recognition via Motion Difference Quantization.
Proceedings of the Computer Vision - ECCV 2022, 2022

Acquiring a Dynamic Light Field through a Single-Shot Coded Image.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2022

Multi-label Disengagement and Behavior Prediction in Online Learning.
Proceedings of the Artificial Intelligence in Education - 23rd International Conference, 2022

2021
Development of a Vertex Finding Algorithm using Recurrent Neural Network.
CoRR, 2021

Noisy-LSTM: Improving Temporal Awareness for Video Semantic Segmentation.
IEEE Access, 2021

Detecting Drowsy Learners at the Wheel of e-Learning Platforms With Multimodal Learning Analytics.
IEEE Access, 2021

WRIME: A New Dataset for Emotional Intensity Estimation with Subjective and Objective Annotations.
Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2021

Information Hiding Using a Coded Aperture as a Key.
Proceedings of the 17th International Conference on Machine Vision and Applications, 2021

Built Year Prediction from Buddha Face with Heterogeneous Labels.
Proceedings of the SUMAC'21: Proceedings of the 3rd Workshop on Structuring and Understanding of Multimedia heritAge Contents, 2021

GCNBoost: Artwork Classification by Label Propagation through a Knowledge Graph.
Proceedings of the ICMR '21: International Conference on Multimedia Retrieval, 2021

3D Registration of Deformable Objects Using a Time-of-Flight Camera.
Proceedings of the Advances in Visual Computing - 16th International Symposium, 2021

Learners' Efficiency Prediction Using Facial Behavior Analysis.
Proceedings of the 2021 IEEE International Conference on Image Processing, 2021

SCOUTER: Slot Attention-based Classifier for Explainable Image Recognition.
Proceedings of the 2021 IEEE/CVF International Conference on Computer Vision, 2021

MTUNet: Few-Shot Image Classification With Visual Explanations.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2021

2020
High-Speed Imaging Using CMOS Image Sensor With Quasi Pixel-Wise Exposure.
IEEE Trans. Computational Imaging, 2020

Grading the Severity of Arteriolosclerosis from Retinal Arterio-venous Crossing Patterns.
CoRR, 2020

Improving topic modeling through homophily for legal documents.
Appl. Netw. Sci., 2020

IterNet: Retinal Image Segmentation Utilizing Structural Redundancy in Vessel Networks.
Proceedings of the IEEE Winter Conference on Applications of Computer Vision, 2020

Joint Learning of Vessel Segmentation and Artery/Vein Classification with Post-processing.
Proceedings of the International Conference on Medical Imaging with Deep Learning, 2020

Constructing a Public Meeting Corpus.
Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Detecting Learner Drowsiness Based on Facial Expressions and Head Movements in Online Courses.
Proceedings of the IUI '20: 25th International Conference on Intelligent User Interfaces, 2020

5D Light Field Synthesis from a Monocular Video.
Proceedings of the 25th International Conference on Pattern Recognition, 2020

Action Recognition from a Single Coded Image.
Proceedings of the 2020 IEEE International Conference on Computational Photography, 2020

Estimation of wakefulness in video-based lectures based on multimodal data fusion.
Proceedings of the UbiComp/ISWC '20: 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and 2020 ACM International Symposium on Wearable Computers, 2020

Palm-Controlled Pointing Interface Using a Dynamic Photometric Stereo Camera.
Proceedings of the HCI International 2020 - Late Breaking Posters, 2020

YOLO in the Dark - Domain Adaptation Method for Merging Multiple Models.
Proceedings of the Computer Vision - ECCV 2020, 2020

Acquiring Dynamic Light Fields Through Coded Aperture Camera.
Proceedings of the Computer Vision - ECCV 2020, 2020

IDSOU at WNUT-2020 Task 2: Identification of Informative COVID-19 English Tweets.
Proceedings of the Sixth Workshop on Noisy User-generated Text, 2020

2019
TransCut2: Transparent Object Segmentation From a Light-Field Image.
IEEE Trans. Computational Imaging, 2019

Reflectance and Shape Estimation with a Light Field Camera Under Natural Illumination.
Int. J. Comput. Vis., 2019

Historical and Modern Features for Buddha Statue Classification.
CoRR, 2019

Using Natural Language Processing to Develop an Automated Orthodontic Diagnostic System.
CoRR, 2019

3D Image Reconstruction from Multi-focus Microscopic Images.
Proceedings of the Image and Video Technology, 2019

BUDA.ART: A Multimodal Content Based Analysis and Retrieval System for Buddha Statues.
Proceedings of the 27th ACM International Conference on Multimedia, 2019

Historical and Modern Features for Buddha Statue Classification.
Proceedings of the 1st Workshop on Structuring and Understanding of Multimedia heritAge Contents, 2019

Facial Expression Recognition with Skip-Connection to Leverage Low-Level Features.
Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

A 3-D Display Pipeline from Coded-Aperture Camera to Tensor Light-Field Display Through CNN.
Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

Deep Compressive Sensing for Visual Privacy Protection in FlatCam Imaging.
Proceedings of the 2019 IEEE/CVF International Conference on Computer Vision Workshops, 2019

Legal Information as a Complex Network: Improving Topic Modeling Through Homophily.
Proceedings of the Complex Networks and Their Applications VIII, 2019

2018
The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor.
Sensors, 2018

Designing Coded Aperture Camera Based on PCA and NMF for Light Field Acquisition.
IEICE Trans. Inf. Syst., 2018

Joint Optimization for Compressive Video Sensing and Reconstruction Under Hardware Constraints.
Proceedings of the Computer Vision - ECCV 2018, 2018

Learning to Capture Light Fields Through a Coded Aperture Camera.
Proceedings of the Computer Vision - ECCV 2018, 2018

Space-Time-Brightness Sampling Using an Adaptive Pixel-Wise Coded Exposure.
Proceedings of the 2018 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2018

A Coded Aperture for Watermark Extraction from Defocused Images.
Proceedings of the Computer Vision - ACCV 2018, 2018

2017
Adapting Local Features for Face Detection in Thermal Image.
Sensors, 2017

Adaptive background model registration for moving cameras.
Pattern Recognit. Lett., 2017

Incremental structural modeling on sparse visual SLAM.
IPSJ Trans. Comput. Vis. Appl., 2017

Hyperspectral imaging using flickerless active LED illumination.
Proceedings of the Thirteenth International Conference on Quality Control by Artificial Vision, 2017

Mixed features for face detection in thermal image.
Proceedings of the Thirteenth International Conference on Quality Control by Artificial Vision, 2017

PCA-coded aperture for light field photography.
Proceedings of the 2017 IEEE International Conference on Image Processing, 2017

2016
Learning multi-task local metrics for image annotation.
Multim. Tools Appl., 2016

Background light ray modeling for change detection.
J. Vis. Commun. Image Represent., 2016

WiP Abstract: Human-Assisted Power Demand Forecasting Based on Action Plan Declaration.
Proceedings of the 7th ACM/IEEE International Conference on Cyber-Physical Systems, 2016

High-speed imaging using CMOS image sensor with quasi pixel-wise exposure.
Proceedings of the 2016 IEEE International Conference on Computational Photography, 2016

4D light field segmentation with spatial and angular consistencies.
Proceedings of the 2016 IEEE International Conference on Computational Photography, 2016

Real-Time Surface of Revolution Reconstruction on Dense SLAM.
Proceedings of the Fourth International Conference on 3D Vision, 2016

2015
Similar gait action recognition using an inertial sensor.
Pattern Recognit., 2015

Camera array calibration for light field acquisition.
Frontiers Comput. Sci., 2015

Light field distortion feature for transparent object classification.
Comput. Vis. Image Underst., 2015

Tutorial 2: Computational Imaging and Projection.
Proceedings of the 2015 IEEE International Symposium on Mixed and Augmented Reality, 2015

Adaptive search of background models for object detection in images taken by moving cameras.
Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

TransCut: Transparent Object Segmentation from a Light-Field Image.
Proceedings of the 2015 IEEE International Conference on Computer Vision, 2015

Evaluation of foreground detection methodology for a moving camera.
Proceedings of the 21st Korea-Japan Joint Workshop on Frontiers of Computer Vision, 2015

Query expansion with pairwise learning in object retrieval challenge.
Proceedings of the 21st Korea-Japan Joint Workshop on Frontiers of Computer Vision, 2015

Scattering tomography using ellipsoidal mirror.
Proceedings of the 21st Korea-Japan Joint Workshop on Frontiers of Computer Vision, 2015

Shape and light directions from shading and polarization.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2015

Change detection on light field for active video surveillance.
Proceedings of the 12th IEEE International Conference on Advanced Video and Signal Based Surveillance, 2015

Person re-identification visualization tool for object tracking across non-overlapping cameras.
Proceedings of the 12th IEEE International Conference on Advanced Video and Signal Based Surveillance, 2015

Spatially-multiplexed MIMO markers.
Proceedings of the 2015 IEEE Symposium on 3D User Interfaces, 2015

Estimating Surface Normals with Depth Image Gradients for Fast and Accurate Registration.
Proceedings of the 2015 International Conference on 3D Vision, 2015

2014
Phase Estimation of a Single Quasi-Periodic Signal.
IEEE Trans. Signal Process., 2014

The largest inertial sensor-based gait database and performance evaluation of gait-based personal authentication.
Pattern Recognit., 2014

Case-based background modeling: associative background database towards low-cost and high-performance change detection.
Mach. Vis. Appl., 2014

Half-sweep imaging for depth from defocus.
Image Vis. Comput., 2014

Motion-invariant Coding Using a Programmable Aperture Camera.
IPSJ Trans. Comput. Vis. Appl., 2014

Orientation-Compensative Signal Registration for Owner Authentication Using an Accelerometer.
IEICE Trans. Inf. Syst., 2014

Object detection based on spatiotemporal background models.
Comput. Vis. Image Underst., 2014

Mobile Camera Array Calibration for Light Field Acquisition.
CoRR, 2014

Anonymous Camera for Privacy Protection.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Light Transport Refocusing for Unknown Scattering Medium.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

2013
Object Detection Based on Spatio-temporal Light Field Sensing.
IPSJ Trans. Comput. Vis. Appl., 2013

Hash-based early recognition of gesture patterns.
Artif. Life Robotics, 2013

Background model based on intensity change similarity among pixels.
Proceedings of the 19th Korea-Japan Joint Workshop on Frontiers of Computer Vision, Incheon, Korea (South), January 30, 2013

"Clickable real world" information retrieval application based on geo-visual clustering.
Proceedings of the 19th Korea-Japan Joint Workshop on Frontiers of Computer Vision, Incheon, Korea (South), January 30, 2013

Background Modeling Based on Bidirectional Analysis.
Proceedings of the 2013 IEEE Conference on Computer Vision and Pattern Recognition, 2013

Light Field Distortion Feature for Transparent Object Recognition.
Proceedings of the 2013 IEEE Conference on Computer Vision and Pattern Recognition, 2013

Multi-layered Background Modeling for Complex Environment Surveillance.
Proceedings of the 2nd IAPR Asian Conference on Pattern Recognition, 2013

Real-Time Foreground Segmentation from Moving Camera Based on Case-Based Trajectory Classification.
Proceedings of the 2nd IAPR Asian Conference on Pattern Recognition, 2013

2012
Programmable Aperture Camera Using LCoS.
IPSJ Trans. Comput. Vis. Appl., 2012

Cooking gesture recognition using local feature and depth image.
Proceedings of the ACM multimedia 2012 workshop on Multimedia for cooking and eating activities, 2012

Inertial-sensor-based walking action recognition using robust step detection and inter-class relationships.
Proceedings of the 21st International Conference on Pattern Recognition, 2012

Performance evaluation of gait recognition using the largest inertial sensor-based gait database.
Proceedings of the 5th IAPR International Conference on Biometrics, 2012

Evaluation report of integrated background modeling based on spatio-temporal features.
Proceedings of the 2012 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, 2012

Background Model Based on Statistical Local Difference Pattern.
Proceedings of the Computer Vision - ACCV 2012 Workshops, 2012

2011
Flexible Depth of Field Photography.
IEEE Trans. Pattern Anal. Mach. Intell., 2011

Statistical Local Difference Pattern for Background Modeling.
IPSJ Trans. Comput. Vis. Appl., 2011

Phase registration in a gallery improving gait authentication.
Proceedings of the 2011 IEEE International Joint Conference on Biometrics, 2011

Geolocation based image annotation.
Proceedings of the First Asian Conference on Pattern Recognition, 2011

2010
Message from the Guest Editors-In-Chief.
IPSJ Trans. Comput. Vis. Appl., 2010

Image-Based Modeling from a High -Resolution Route Panorama.
Int. J. Virtual Real., 2010

Real-Time Estimation of Fast Egomotion with Feature Classification Using Compound Omnidirectional Vision Sensor.
IEICE Trans. Inf. Syst., 2010

Object Detection Using Local Difference Patterns.
Proceedings of the Computer Vision - ACCV 2010, 2010

Phase Registration of a Single Quasi-Periodic Signal Using Self Dynamic Time Warping.
Proceedings of the Computer Vision - ACCV 2010, 2010

2009
Highly Robust Estimator Using a Case-dependent Residual Distribution Model.
IPSJ Trans. Comput. Vis. Appl., 2009

An adaptive-scale robust estimator for motion estimation.
Proceedings of the 2009 IEEE International Conference on Robotics and Automation, 2009

Adaptive-Scale Robust Estimator Using Distribution Model Fitting.
Proceedings of the Computer Vision, 2009

2008
Depth estimation from the color drift of a route panorama.
Proceedings of the 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2008

Robust and real-time egomotion estimation using a compound omnidirectional sensor.
Proceedings of the 2008 IEEE International Conference on Robotics and Automation, 2008

2007
Robust and Real-time Rotation Estimation of Compound Omnidirectional Sensor.
Proceedings of the 2007 IEEE International Conference on Robotics and Automation, 2007

An Omnidirectional Vision Sensor with Single View and Constant Resolution.
Proceedings of the IEEE 11th International Conference on Computer Vision, 2007

2006
Super Wide Field of View Head Mounted Display Using Catadioptrical Optics.
Presence Teleoperators Virtual Environ., 2006

Video Synthesis with High Spatio-Temporal Resolution Using Motion Compensation and Spectral Fusion.
IEICE Trans. Inf. Syst., 2006

Stereo SLAM Using Two Estimators.
Proceedings of the IEEE International Conference on Robotics and Biomimetics, 2006

Video Synthesis with High Spatio-temporal Resolution Using Spectral Fusion.
Proceedings of the Multimedia Content Representation, 2006

An Omnidirectional Vision Sensor with Single Viewpoint and Constant Resolution.
Proceedings of the 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2006

High-resolution Video Generation Using Morphing.
Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Video Synthesis with High Spatio-Temporal Resolution Using Motion Compensation and Image Fusion in Wavelet Domain.
Proceedings of the Computer Vision, 2006

Calibration of Rotating Line Camera for Spherical Imaging.
Proceedings of the Computer Vision, 2006

2005
Dual-sensor camera for acquiring image sequences with different spatio-temporal resolution.
Proceedings of the Advanced Video and Signal Based Surveillance, 2005

2004
Super wide viewer using catadioptrical optics.
ACM Trans. Graph., 2004

2003
Superresolution modeling using an omnidirectional image sensor.
IEEE Trans. Syst. Man Cybern. Part B, 2003

Wide field of view catadioptrical head-mounted display.
Proceedings of the 2003 IEEE/RSJ International Conference on Intelligent Robots and Systems, Las Vegas, Nevada, USA, October 27, 2003

Wide Field of View Head Mounted Display for Tele-presence with An Omnidirectional Image Sensor.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2003

2002
Resolution Improving Method for a 3D Environment Modeling using Omnidirectional Image Sensor.
Proceedings of the 2002 IEEE International Conference on Robotics and Automation, 2002

2001
Resolution improving method from multi-focal omnidirectional images.
Proceedings of the 2001 International Conference on Image Processing, 2001

2000
Super-resolution for an omnidirectional vision sensor.
Adv. Robotics, 2000


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