Carlos Hitoshi Morimoto

Faculty Member

Department of Computer Science
Institute of Mathematics and Statistics
University of São Paulo

E-mail: hitoshi @ ime . usp . br

About Me

BSc in Eletronic Engineering from USP (University of São Paulo), MSc in Electric Engineering from USP, and PhD in Computer Science from the University of Maryland at College Park. He is currently an assistant professor at the Department of Computer Science at IME (Instituto de Matemática e Estatística - Institute of Mathematics and Statistics) at USP. His main areas of interest include Computer Vision, Image Processing, and Human Computer Interaction. His projects involve the understanding of human activities using computer vision to enhance human interaction, with focus on person detection, tracking of body, face, and eye movements.

Publications

2016


AugKey: Increasing Foveal Throughput in Eye Typing with Augmented Keys

AugKey: Increasing Foveal Throughput in Eye Typing with Augmented Keys [pdf]

Antonio Diaz Tula and Carlos H. Morimoto.
Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems
Abstract Bibtex
EyeSwipe: Dwell-free Text Entry Using Gaze Paths

EyeSwipe: Dwell-free Text Entry Using Gaze Paths [pdf]

Andrew T. N. Kurauchi, Wenxin Feng, Ajjen Joshi, Carlos H. Morimoto and Margrit Betke.
Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems
Abstract Bibtex
Episcleral Surface Tracking: Challenges and Possibilities for Using Mice Sensors for Wearable Eye Tracking

Episcleral Surface Tracking: Challenges and Possibilities for Using Mice Sensors for Wearable Eye Tracking [pdf]

Frank H. Borsato and Carlos H. Morimoto.
Proceedings of the Ninth Biennial ACM Symposium on Eye Tracking Research & Applications
Abstract Bibtex
Heatmap Explorer: an interactive gaze data visualization tool for the evaluation of computer interfaces

Heatmap Explorer: an interactive gaze data visualization tool for the evaluation of computer interfaces [pdf]

Antonio Diaz Tula, Andrew Kurauchi, Flávio Coutinho and Carlos Morimoto.
Proceedings of the 15th Brazilian Symposium on Human Factors in Computing Systems
Abstract Bibtex

2015


A Fast and Accurate Eye Tracker Using Stroboscopic Differential Lighting

A Fast and Accurate Eye Tracker Using Stroboscopic Differential Lighting [pdf]

Frank H. Borsato, Fernando O. Aluani and Carlos H. Morimoto.
2015 IEEE International Conference on Computer Vision Workshop (ICCVW)
Abstract Bibtex
HMAGIC: Head Movement and Gaze Input Cascaded Pointing

HMAGIC: Head Movement and Gaze Input Cascaded Pointing [pdf]

Andrew T. N. Kurauchi, Wenxin Feng, Carlos H. Morimoto and Margrit Betke.
Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments
Abstract Bibtex
A mathematical model of saccadic reaction time as a function of the fixation point brightness gain

A mathematical model of saccadic reaction time as a function of the fixation point brightness gain [pdf]

Antonio Diaz Tula, Carlos H. Morimoto and Ronald D. Ranvaud.
Attention, Perception, & Psychophysics
Abstract Bibtex
5* Magic Wand: An RGBD Camera-Based 5 DoF User Interface for 3D Interaction

5* Magic Wand: An RGBD Camera-Based 5 DoF User Interface for 3D Interaction [pdf]

Alexandre M. F. de Sousa and Carlos H. Morimoto.
XVII Symposium on Virtual and Augmented Reality (SVR)
Abstract Bibtex
5* Magic Wand: a RGBD camera-based 5 DoF pointing device for 3D interaction

5* Magic Wand: a RGBD camera-based 5 DoF pointing device for 3D interaction [pdf]

Alexandre M. F. de Sousa and Carlos H. Morimoto.
SBC Journal on Interactive Systems
Abstract Bibtex
Dynamic and Meta-Context Switching for Gaze-Based Interaction

Dynamic and Meta-Context Switching for Gaze-Based Interaction [pdf]

Antonio Diaz Tula and Carlos H. Morimoto.
SBC Journal on Interactive Systems
Abstract Bibtex

2014


Espelho Virtual Interativo Para Simulação De Maquiagem

Espelho Virtual Interativo Para Simulação De Maquiagem [pdf]

Filipe M. S. de Campos and Carlos H. Morimoto.
Proceedings of the 13th Brazilian Symposium on Human Factors in Computing Systems
Abstract Bibtex
Tangible Beats: Uma Interface Tangível Para Expressão e Exploração Musical

Tangible Beats: Uma Interface Tangível Para Expressão e Exploração Musical [pdf]

Alexandre M. F. de Sousa and Carlos H. Morimoto.
Proceedings of the 13th Brazilian Symposium on Human Factors in Computing Systems
Abstract Bibtex
Meta-keys: Extending the Functionality of Gaze-based Interaction

Meta-keys: Extending the Functionality of Gaze-based Interaction [pdf]

Antonio Diaz Tula and Carlos H. Morimoto.
Proceedings of the 13th Brazilian Symposium on Human Factors in Computing Systems
Abstract Bibtex
Facilitating Accessibility and Digital Inclusion Using Gaze-aware Wearable Computing

Facilitating Accessibility and Digital Inclusion Using Gaze-aware Wearable Computing [pdf]

Andrew T. N. Kurauchi, Antonio Diaz Tula and Carlos H. Morimoto.
Proceedings of the 13th Brazilian Symposium on Human Factors in Computing Systems
Abstract Bibtex
Virtual Makeup: Foundation, Eye Shadow and Lipstick Simulation

Virtual Makeup: Foundation, Eye Shadow and Lipstick Simulation [pdf]

Filipe M. S. de Campos and Carlos H. Morimoto.
XVI Symposium on Virtual and Augmented Reality (SVR)
Abstract Bibtex
Método de calibração de rastreadores de olhar móveis utilizando 2 planos para correção de paralaxe

Método de calibração de rastreadores de olhar móveis utilizando 2 planos para correção de paralaxe [pdf]

Andrew T. N. Kurauchi, Antonio Diaz Tula and Carlos H. Morimoto.
XXIV Congresso Brasileiro de Engenharia Biomédica
Abstract Bibtex
Sistema móvel de baixo custo para rastreamento do olhar voltado à identificação de disfunções oculomotoras

Sistema móvel de baixo custo para rastreamento do olhar voltado à identificação de disfunções oculomotoras [pdf]

Antonio Diaz Tula, Andrew T. N. Kurauchi, Carlos H. Morimoto, Silvia Veitzman and Jéssica N. Ianof.
XXIV Congresso Brasileiro de Engenharia Biomédica
Abstract Bibtex
Tangible Beats: a collaborative user interface for creating musical beats

Tangible Beats: a collaborative user interface for creating musical beats [pdf]

Alexandre M. F. de Sousa and Carlos H. Morimoto.
Proceedings of the 13th Brazilian Symposium on Games and Digital Entertainment (SBGames)
Abstract Bibtex

2013


Towards Wearable Gaze Supported Augmented Cognition

Towards Wearable Gaze Supported Augmented Cognition [pdf]

Andrew T. N. Kurauchi, Carlos H. Morimoto, Diako Mardanbeigi and Dan W. Hansen.
CHI 2013 Workshop on Gaze Interaction in the Post-WIMP World
Abstract Bibtex
Penspective: a Perspective-Aware Game Map Editor with Natural Interaction

Penspective: a Perspective-Aware Game Map Editor with Natural Interaction [pdf]

Alexandre M. F. de Sousa, Anderson C. M. Tavares and Carlos H. Morimoto.
XII Simpósio Brasileiro de Jogos e Entretenimento Digital
Abstract Bibtex
Facilitating Gaze Interaction Using the Gap and Overlap Effects

Facilitating Gaze Interaction Using the Gap and Overlap Effects [pdf]

Antonio Diaz Tula, Andrew T. N. Kurauchi and Carlos H. Morimoto.
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Abstract Bibtex
Improving Head Movement Tolerance of Cross-Ratio Based Eye Trackers

Improving Head Movement Tolerance of Cross-Ratio Based Eye Trackers [pdf]

Flavio L. Coutinho and Carlos H. Morimoto.
International Journal of Computer Vision
Abstract Bibtex

2012


Dynamic Context Switching for Gaze Based Interaction

Dynamic Context Switching for Gaze Based Interaction [pdf]

Antonio Diaz Tula, Filipe M. S. de Campos and Carlos H. Morimoto.
Proceedings of the Symposium on Eye Tracking Research & Applications
Abstract Bibtex
Augmenting the Robustness of Cross-ratio Gaze Tracking Methods to Head Movement

Augmenting the Robustness of Cross-ratio Gaze Tracking Methods to Head Movement [pdf]

Flávio L. Coutinho and Carlos H. Morimoto.
Proceedings of the Symposium on Eye Tracking Research and Applications
Abstract Bibtex

2011


Virtual Reality in Brazil: Automatic Camera Control in Virtual Environments Augmented Using Multiple Sparse Videos

Virtual Reality in Brazil: Automatic Camera Control in Virtual Environments Augmented Using Multiple Sparse Videos [pdf]

Jeferson R. Silva, Thiago T. Santos and Carlos H. Morimoto.
Computers and Graphics
Abstract Bibtex
Computer Vision based Machine Interaction

Computer Vision based Machine Interaction [pdf]

Carlos H. Morimoto, Flavio L. Coutinho, Jefferson R. da Silva, Silvia E. Ghirotti and Thiago T. Santos.
SBC Journal on 3D Interactive Systems
Abstract Bibtex

2010


Multiple camera people detection and tracking using support integration

Multiple camera people detection and tracking using support integration [pdf]

Thiago T. Santos and Carlos H. Morimoto.
Pattern Recognition Letters
Abstract Bibtex
Um Sistema De Interação Baseado Em Gestos Manuais Tridimensionais Para Ambientes Virtuais

Um Sistema De Interação Baseado Em Gestos Manuais Tridimensionais Para Ambientes Virtuais [pdf]

Silvia E. Ghirotti and Carlos H. Morimoto.
Proceedings of the IX Symposium on Human Factors in Computing Systems
Abstract Bibtex
A Depth Compensation Method for Cross-ratio Based Eye Tracking

A Depth Compensation Method for Cross-ratio Based Eye Tracking [pdf]

Flavio L. Coutinho and Carlos H. Morimoto.
Proceedings of the 2010 Symposium on Eye-Tracking Research & Applications
Abstract Bibtex
Context Switching for Fast Key Selection in Text Entry Applications

Context Switching for Fast Key Selection in Text Entry Applications [pdf]

Carlos H. Morimoto and Arnon Amir.
Proceedings of the 2010 Symposium on Eye-Tracking Research & Applications
Abstract Bibtex
Real Time Novel View Scene Rendering From Multiple Sparse Videos

Real Time Novel View Scene Rendering From Multiple Sparse Videos [pdf]

Jeferson R. da Silva, Thiago T. Santos and Carlos H. Morimoto.
Proceedings of the XII Brazilian Symposium on Virtual and Augmented Reality
Abstract Bibtex

2009


Automatic Measurement of Eye Features Using Image Processing

Automatic Measurement of Eye Features Using Image Processing [pdf]

Carlos H. Morimoto.
Workshop de Informática Médica
Abstract Bibtex

2008


People detection under occlusion in multiple camera views

People detection under occlusion in multiple camera views [pdf]

Thiago T. Santos and Carlos H. Morimoto.
XXI Brazilian Symposium on Computer Graphics and Image Processing
Abstract Bibtex
GInX: Gaze Based Interface Extensions

GInX: Gaze Based Interface Extensions [pdf]

Thiago S. Barcelos and Carlos H. Morimoto.
Proceedings of the 2008 Symposium on Eye Tracking Research & Applications
Abstract Bibtex
Eyelid Measurements Using Digital Video Processing

Eyelid Measurements Using Digital Video Processing [pdf]

Carlos H. Morimoto and Thomaz F. de Oliveira.
Proceedings of the 2008 ACM Symposium on Applied Computing
Abstract Bibtex
No image available

Free Head Motion Eye Gaze Tracking Techniques

Carlos H. Morimoto and Flávio L. Coutinho.
Passive Eye Monitoring: Algorithms, Applications and Experiments
Abstract Bibtex
Eye Movements and Motor Programming in a Time-To-Contact Task

Eye Movements and Motor Programming in a Time-To-Contact Task [pdf]

Edgard Morya, Marco Bertolassi, Adhemar Pettri Filho, Carlos H. Morimoto and Ronald D. Ranvaud.
Proceedings of the 2006 Symposium on Eye Tracking Research & Applications
Abstract Bibtex
The Relation of Eye Fixation Patterns with Emotional Content and Episodic Memory

The Relation of Eye Fixation Patterns with Emotional Content and Episodic Memory [pdf]

Luiz H. M. do Canto Pereira, Breno Santos, Edgard Morya, Carlos H. Morimoto and Ronald D. Ranvaud.
Proceedings of the 2006 Symposium on Eye Tracking Research & Applications
Abstract Bibtex

2007


Jmin-image based color-texture segmentation using watershed and hierarchical clustering

Jmin-image based color-texture segmentation using watershed and hierarchical clustering [pdf]

Thiago T. Santos, Carlos H. Morimoto and Rama Chellappa.
Proceedings of the 8th International Symposium on Mathematical Morphology
Abstract Bibtex

2005


On the Usability of Gesture Interfaces in Virtual Reality Environments

On the Usability of Gesture Interfaces in Virtual Reality Environments [pdf]

Marcio C. Cabral, Carlos H. Morimoto and Marcelo K. Zuffo.
Proceedings of the 2005 Latin American Conference on Human-computer Interaction
Abstract Bibtex
Automatic Iris Segmentation Using Active Near Infra Red Lighting

Automatic Iris Segmentation Using Active Near Infra Red Lighting [pdf]

Carlos H. Morimoto, Thiago T. Santos and Adriano S. Muniz.
XVIII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI'05)
Abstract Bibtex
JEcoSys - a framework for interactive plants simulation

JEcoSys - a framework for interactive plants simulation [pdf]

Luis C. Y. Endo, Carlos H. Morimoto and Antonio E. Fabris.
Computer Graphics International 2005
Abstract Bibtex
Eye Gaze Tracking Techniques for Interactive Applications

Eye Gaze Tracking Techniques for Interactive Applications [pdf]

Carlos H. Morimoto and Marcio R. M. Mimica.
Computer Vision and Image Understanding
Abstract Bibtex

2004


Panda: Sistema de Gerenciamento de Cursos Online

Panda: Sistema de Gerenciamento de Cursos Online [pdf]

Carlos H. Morimoto, Carlos E. Ferreira and José Soares.
XII Workshop de Educação em Computação
Abstract Bibtex

2003


System and method for eye gaze tracking using corneal image mapping

System and method for eye gaze tracking using corneal image mapping [pdf]

Arnon Amir, Myron D. Flickner, David B. Koons and Carlos H. Morimoto.
US Patent 6,659,611
Abstract Bibtex
A computer vision framework for eye gaze tracking

A computer vision framework for eye gaze tracking [pdf]

Marcio R. M. Mimica and Carlos H. Morimoto.
XVI Brazilian Symposium on Computer Graphics and Image Processing
Abstract Bibtex
Method and system for relevance feedback through gaze tracking and ticker interfaces

Method and system for relevance feedback through gaze tracking and ticker interfaces [pdf]

Myron D. Flickner, David B. Koons, Qi Lu, Paul P. Maglio, Carlos H. Morimoto and Edwin J. Selker.
US Patent 6,577,329
Abstract Bibtex
Real-time animation of underbrush

Real-time animation of underbrush [pdf]

Luis C. Y. Endo, Carlos H. Morimoto and Antonio E. Fabris.
WSCG SHORT PAPERS proceedings
Abstract Bibtex
A computer vision framework for eye gaze tracking

A computer vision framework for eye gaze tracking [pdf]

Marcio R. M. Mimica and Carlos H. Morimoto.
XVI Brazilian Symposium on Computer Graphics and Image Processing
Abstract Bibtex

2002


Method and apparatus for determining eye contact

Method and apparatus for determining eye contact [pdf]

Arnon Amir, Myron D. Flickner, David B. Koons, Carlos H. Morimoto and Shumin Zhai.
US Patent 6,393,136
Abstract Bibtex
Free Head Motion Eye Gaze Tracking Without Calibration

Free Head Motion Eye Gaze Tracking Without Calibration [pdf]

Carlos H. Morimoto, Arnon Amir and Myron D. Flickner.
CHI '02 Extended Abstracts on Human Factors in Computing Systems
Abstract Bibtex
Detecting eye position and gaze from a single camera and 2 light sources

Detecting eye position and gaze from a single camera and 2 light sources [pdf]

Carlos H. Morimoto, Arnon Amir and Myron Flickner.
Proceedings of the 16th International Conference on Pattern Recognition
Abstract Bibtex

2001


Interactive Digital Mirror

Interactive Digital Mirror [pdf]

Carlos H. Morimoto.
Proceedings of the 14th Brazilian Symposium on Computer Graphics and Image Processing
Abstract Bibtex
Gaze-based secure keypad entry system

Gaze-based secure keypad entry system [pdf]

Myron D. Flickner, Qi Lu and Carlos H. Morimoto.
US Patent 6,282,553
Abstract Bibtex

2000


Pupil detection and tracking using multiple light sources

Pupil detection and tracking using multiple light sources [pdf]

Carlos H. Morimoto, David B. Koons, Arnon Amir and Myron D. Flickner.
Image and Vision Computing
Abstract Bibtex
Virtual autonomous agents with vision

Virtual autonomous agents with vision [pdf]

Carlos H. Morimoto.
Proceedings of the Workshop on Artificial Intelligence and Computer Vision
Abstract Bibtex
Real-time multiple face detection using active illumination

Real-time multiple face detection using active illumination [pdf]

Carlos H. Morimoto and Myron D. Flickner.
Proceedings of the Fourth IEEE International Conference on Automatic Face and Gesture Recognition
Abstract Bibtex

1999


Frame-rate pupil detector and gaze tracker

Frame-rate pupil detector and gaze tracker [pdf]

Carlos H. Morimoto, David B. Koons, Arnon Amir and Myron D. Flickner.
Proceedings of the IEEE ICCV'99 frame-rate workshop
Abstract Bibtex
Manual and Gaze Input Cascaded (MAGIC) Pointing

Manual and Gaze Input Cascaded (MAGIC) Pointing [pdf]

Shumin Zhai, Carlos H. Morimoto and Steven Ihde.
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Abstract Bibtex
Keeping an eye for HCI

Keeping an eye for HCI [pdf]

Carlos H. Morimoto, David B. Koons, Arnon Amir, Myron D. Flickner and Shumin Zhai.
Proceedings of the XII Brazilian Symposium on Computer Graphics and Image Processing
Abstract Bibtex

1998


Real-time detection of eyes and faces

Real-time detection of eyes and faces [pdf]

Carlos H. Morimoto, David B. Koons, Arnon Amir and Myron D. Flickner.
Workshop on Perceptual User Interfaces
Abstract Bibtex
Evaluation of image stabilization algorithms

Evaluation of image stabilization algorithms [pdf]

Carlos H. Morimoto and Rama Chellappa.
Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing
Abstract Bibtex

1997


Video coding using hybrid motion compensation

Video coding using hybrid motion compensation [pdf]

Carlos H. Morimoto, Philippe Burlina and Rama Chellappa.
Proceedings of the International Conference on Image Processing
Abstract Bibtex
Fast 3D stabilization and mosaic construction

Fast 3D stabilization and mosaic construction [pdf]

Carlos H. Morimoto and Rama Chellappa.
Proceedings of the 1997 IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Abstract Bibtex
Fast Image Stabilization and Mosaicking

Fast Image Stabilization and Mosaicking [pdf]

Carlos H. Morimoto, Rama Chellappa and Steve Balakirsky.
DARPA Image Understanding Workshop
Abstract Bibtex

1996


RSTA on the Move: Detection and Tracking of Moving Objects from an Autonomous Mobile Platform

RSTA on the Move: Detection and Tracking of Moving Objects from an Autonomous Mobile Platform [pdf]

Larry S. Davis, Carlos H. Morimoto, Martin Herman, Ruzena Bajcsy and Randal Nelson.
Tech. Report: Maryland Univ. College Park Center for Automation Research
Abstract Bibtex
Video Coding by Model-Based Stabilization

Video Coding by Model-Based Stabilization [pdf]

Carlos H. Morimoto, Philippe Burlina, Rama Chellappa and Yi-Sheng Yao.
Tech. Report: Maryland Univ. College Park Center for Automation Research
Abstract Bibtex

1995


Detection of Independently Moving Objects in Passive Video

Detection of Independently Moving Objects in Passive Video [pdf]

Carlos H. Morimoto, Daniel Dementhon, Larry Davis, Rama Chellappa and Randal Nelson.
In Proceedings of Intelligent Vehicles Workshop
Abstract Bibtex
Motion compensated subband coding of video acquired from a moving platform

Motion compensated subband coding of video acquired from a moving platform [pdf]

Oh-Jin Kwon, Rama Chellappa and Carlos H. Morimoto.
International Conference on Acoustics, Speech, and Signal Processing
Abstract Bibtex