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Research Output 1983 2019

  • 2143 Citations
  • 19 h-Index
  • 117 Conference contribution
  • 34 Article
  • 7 Chapter
  • 6 Conference article
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Conference contribution
2019

Automatic Detection of Valves with Disaster Response Robot on Basis of Depth Camera Information

Nishikawa, K., Ohya, J., Matsuzawa, T., Takanishi, A., Ogata, H. & Hashimoto, K., 2019 Jan 16, 2018 International Conference on Digital Image Computing: Techniques and Applications, DICTA 2018. Pickering, M., Zheng, L., You, S., Rahman, A., Murshed, M., Asikuzzaman, M., Natu, A., Robles-Kelly, A. & Paul, M. (eds.). Institute of Electrical and Electronics Engineers Inc., 8615796. (2018 International Conference on Digital Image Computing: Techniques and Applications, DICTA 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Disasters
Cameras
Robots
Nuclear Power Plants
Accidents

Detecting a fetus in ultrasound images using grad CAM and locating the fetus in the uterus

Ishikawa, G., Xu, R., Ohya, J. & Iwata, H., 2019 Jan 1, ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods. Fred, A., De Marsico, M. & di Baja, G. S. (eds.). SciTePress, p. 181-189 9 p. (ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer aided manufacturing
Ultrasonics
Trajectories
Cams
Robotics

Detecting and tracking surgical tools for recognizing phases of the awake brain tumor removal surgery

Fujie, H., Hirata, K., Horigome, T., Nagahashi, H., Ohya, J., Tamura, M., Masamune, K. & Muragaki, Y., 2019 Jan 1, ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods. Fred, A., De Marsico, M. & di Baja, G. S. (eds.). SciTePress, p. 190-199 10 p. (ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Convolution
Kalman filters
Surgery
Labels
Tumors

Understanding sprinting motion skills using unsupervised learning for stepwise skill improvements of running motion

Seo, C., Sabanai, M., Ogata, H. & Ohya, J., 2019 Jan 1, ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods. Fred, A., De Marsico, M. & di Baja, G. S. (eds.). SciTePress, p. 467-475 9 p. (ICPRAM 2019 - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unsupervised learning
Feedback
Experiments
2017
2 Citations (Scopus)

Automatic fetal body and amniotic fluid segmentation from fetal ultrasound images by encoder-decoder network with inner layers

Li, Y., Xu, R., Ohya, J. & Iwata, H., 2017 Sep 13, 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Smarter Technology for a Healthier World, EMBC 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1485-1488 4 p. 8037116

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Body Fluids
Amniotic Fluid
Convolution
Ultrasonics
Learning

Exploring the effectiveness of using temporal order information for the early-recognition of suture surgery's six steps based on video image analyses of surgeons' hand actions

Tsubota, M., Li, Y. & Ohya, J., 2017 Dec 8, RO-MAN 2017 - 26th IEEE International Symposium on Robot and Human Interactive Communication. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 464-469 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Surgery
Computer vision
Robotics
Recognition Algorithm
Shortage
2 Citations (Scopus)

Fingertips tracking algorithm for guitarist based on temporal grouping and pattern analysis

Wang, Z. & Ohya, J., 2017, Computer Vision - ACCV 2016 Workshops, ACCV 2016 International Workshops, Revised Selected Papers. Springer Verlag, Vol. 10118 LNCS. p. 212-226 15 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10118 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pattern Analysis
Grouping
Pixel
Pixels
Ring
2015

Enhancing abstract imaginations of viewers of abstract paintings by a gaze based music generation system

Ogusu, T., Ohya, J., Kurumisawa, J. & Yonemura, S., 2015, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 9173. p. 457-464 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9173).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Painting
Music
Audition
Person
Express
2014

Automatic lip reading by using multimodal visual features

Takahashi, S. & Ohya, J., 2014, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9025. 902508

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lip reading
Speech recognition
speech recognition
Speech Recognition
Audition

Inspiring Viewers of Abstract Painting by a Gaze Based Music Generation

Ogusu, T., Ohya, J., Kurumisawa, J. & Yonemura, S., 2014, Communications in Computer and Information Science. Springer Verlag, Vol. 434 PART I. p. 213-217 5 p. (Communications in Computer and Information Science; vol. 434 PART I).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Audition
Painting
Acoustic waves
Time series
Color

Recognizing surgeon's actions during suture operations from video sequences

Li, Y., Ohya, J., Chiba, T., Xu, R. & Yamashita, H., 2014, Progress in Biomedical Optics and Imaging - Proceedings of SPIE. SPIE, Vol. 9034. 903417

Research output: Chapter in Book/Report/Conference proceedingConference contribution

surgeons
robotics
surgery
Surgery
Sutures
2013
1 Citation (Scopus)

3D surface reconstruction based on image stitching from gastric endoscopic video sequence

Duan, M., Xu, R. & Ohya, J., 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8856. 88561I

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stitching
Surface Reconstruction
Surface reconstruction
Point Cloud
3D Reconstruction

A flexible surgical tool localization using a 3D ultrasound calibration system for fetoscopic tracheal occlusion (FETO)

Xu, R., Ohya, J., Zhang, B., Sato, Y. & Fujie, M. G., 2013, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 7761 LNCS. p. 17-24 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7761 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrasound
Occlusion
Calibration
Ultrasonics
Ultrasound Image
1 Citation (Scopus)

Automatic fetal face detection by locating fetal facial features from 3D ultrasound images for navigating fetoscopic tracheal occlusion surgeries

Xu, R., Ohya, J., Zhang, B., Fujie, M. G. & Sato, Y., 2013, 2013 10th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, FG 2013. 6553722

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Face recognition
Surgery
Ultrasonics
Imaging techniques
Experiments
1 Citation (Scopus)

Automatic real-time tracking of fetal mouth in fetoscopic video sequence for supporting fetal surgeries

Xu, R., Xie, T., Ohya, J., Zhang, B., Sato, Y. & Fujie, M. G., 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8671. 86710Z

Research output: Chapter in Book/Report/Conference proceedingConference contribution

mouth
surgery
Surgery
Face
trachea

Gray-world-assumption-based illuminant color estimation using color gamuts with high and low chroma

Kawamura, H., Yonemura, S., Ohya, J. & Kojima, A., 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8652. 86520C

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Color
color
Color Image
Color Space
Estimation Error
2012
2 Citations (Scopus)

Accurate, dense 3D reconstruction of moving and still objects from dynamic stereo sequences based on Temporal Modified-RANSAC and feature-cut

Tatematsu, N. & Ohya, J., 2012, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8301. 830105

Research output: Chapter in Book/Report/Conference proceedingConference contribution

RANSAC
3D Reconstruction
Moving Objects
Range finders
Optical flows
4 Citations (Scopus)

Human gesture analysis using multimodal features

Dan, L., Ekenel, H. K. & Ohya, J., 2012, Proceedings of the 2012 IEEE International Conference on Multimedia and Expo Workshops, ICMEW 2012. p. 471-476 6 p. 6266429

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gesture recognition
Fusion reactions
Human computer interaction
Condensation
Cameras
1 Citation (Scopus)

Tracking white road line by particle filter from the video sequence acquired by the camera attached to a walking human body

Takahashi, S. & Ohya, J., 2012, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8295. 82950V

Research output: Chapter in Book/Report/Conference proceedingConference contribution

walking
Particle Filter
human body
Covariance matrix
roads
2011
1 Citation (Scopus)

Appearance-based human gesture recognition using multimodal features for human computer interaction

Luo, D., Gao, H., Ekenel, H. K. & Ohya, J., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7865. 786509

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gesture recognition
Gesture Recognition
Human computer interaction
Gesture
Facial Expression

Facial analysis aided human gesture recognition for Human Computer Interaction

Luo, D., Gao, H., Ekenel, H. K. & Ohya, J., 2011, Proceedings of the 12th IAPR Conference on Machine Vision Applications, MVA 2011. p. 446-449 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gesture recognition
Human computer interaction
Condensation
Computer systems
Cameras
7 Citations (Scopus)

Illuminant color estimation by hue categorization based on gray world assumption

Kawamura, H., Yonemura, S., Ohya, J. & Matsuura, N., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7873. 787312

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Categorization
Color
color
color vision
Estimation Error
2 Citations (Scopus)

OMR of early plainchant manuscripts in square notation: A two-stage system

Ramirez, C. & Ohya, J., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7874. 787417

Research output: Chapter in Book/Report/Conference proceedingConference contribution

music
Error detection
Music
Notation
coding

Study of recognizing human motion observed from an arbitrary viewpoint based on decomposition of a tensor containing multiple view motions

Hori, T., Ohya, J. & Kurumisawa, J., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7873. 787310

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tensors
Tensor
tensors
Decomposition
decomposition
3 Citations (Scopus)

Study of Temporal Modified-RANSAC based method for the extraction and 3D shape reconstruction of moving objects from dynamic stereo images and for estimating the camera pose

Tatematsu, N. & Ohya, J., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7878. 78780E

Research output: Chapter in Book/Report/Conference proceedingConference contribution

RANSAC
Shape Reconstruction
3D shape
Optical flows
3D Reconstruction
2010
1 Citation (Scopus)

An improved Kernel-based fuzzy C-means algorithm with spatial information for brain MR image segmentation

Xu, R. & Ohya, J., 2010, International Conference Image and Vision Computing New Zealand. 6148819

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image segmentation
Brain
Fuzzy clustering
Pixels
Experiments
1 Citation (Scopus)

Application of extended producer responsibility in Chinese WEEE management

Zhao, Y. & Ohya, J., 2010, ICCCE 2010 - 2010 International Conference on Chemistry and Chemical Engineering, Proceedings. p. 272-275 4 p. 5560438

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Automobiles
Paramagnetic resonance
Economics

Feasibility of using machine vision based cash register system in a University Cafeteria

Do, K. N., Ohya, J., Pishva, D. & Nishantha, G. G. D., 2010, Proceedings - 2010 3rd International Congress on Image and Signal Processing, CISP 2010. Vol. 6. p. 2554-2558 5 p. 5648169

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cash registers
Computer vision
Biometrics
Costs
Color

Identifying a walking human by a tensor decomposition based approach and tracking the human across discontinuous fields of views of multiple cameras

Hori, T., Ohya, J. & Kurumisawa, J., 2010, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7533. 75330X

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tensor Decomposition
gait
walking
Field of View
Gait

Study of recognizing multiple persons' complicated hand gestures from the video sequence acquired by a moving camera

Dan, L. & Ohya, J., 2010, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7527. 75271N

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gesture
principal components analysis
Principal component analysis
Person
Camera
2 Citations (Scopus)

Study on human gesture recognition from moving camera images

Luo, D. & Ohya, J., 2010, 2010 IEEE International Conference on Multimedia and Expo, ICME 2010. p. 274-279 6 p. 5582998

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gesture recognition
Principal component analysis
Cameras
Trajectories
Mobile robots
4 Citations (Scopus)

Symbol classification approach for OMR of square notation manuscripts

Ramirez, C. & Ohya, J., 2010, Proceedings of the 11th International Society for Music Information Retrieval Conference, ISMIR 2010. p. 549-553 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transcription
Symbol
Medieval Period
Optical
Notation
2009
6 Citations (Scopus)

Efficient detection of ellipses from an image by a guided modified ransac

Xie, Y. & Ohya, J., 2009, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7245. 72450W

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hough Transform
Hough transforms
ellipses
RANSAC
Pixel
2 Citations (Scopus)

Elliptical shaped object recognition via a Modified RANSAC with edge orientation curve's segmentation-merge

Xie, Y. & Ohya, J., 2009, Proceedings of the 9th IASTED International Conference on Visualization, Imaging, and Image Processing, VIIP 2009. p. 33-40 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Object recognition
Pixels
Sampling
Computational efficiency
Labeling
1 Citation (Scopus)

Hand-gesture extraction and recognition from the video sequence acquired by a dynamic camera using condensation algorithm

Dan, L. & Ohya, J., 2009, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7252. 72520S

Research output: Chapter in Book/Report/Conference proceedingConference contribution

End effectors
Gesture
robots
Condensation
condensation

Prompter " • " based creating thinking support communication system that allows hand-drawing

Chen, L. J., Ohya, J., Yonemura, S., Forstmann, S. & Tokunaga, Y., 2009, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 5611 LNCS. p. 783-790 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5611 LNCS, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Communication Systems
Communication systems
Tool Support
Circle
Evaluate
2008
1 Citation (Scopus)

A study of a CMC via the "·" Prompt system - Analysis of the affects on the stimulation of thought processes and the inspiration of creative ideas

Chen, L. J., Ohya, J., Yonemura, S. & Tokunaga, Y., 2008, MCCSIS'08 - IADIS Multi Conference on Computer Science and Information Systems; Proceedings of Interfaces and Human Computer Interaction 2008. p. 282-286 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Systems analysis
Communication
Experiments
2007
1 Citation (Scopus)

A study of a computer mediated communication via the "•" prompt system - Analysis of the affects on the stimulation of thought processes and the inspiration of creative ideas

Chen, L. J., Harada, N., Yonemura, S., Ohya, J. & Tokunaga, Y., 2007, Proceedings of the 2007 IEEE International Conference on Multimedia and Expo, ICME 2007. p. 1119-1122 4 p. 4284851

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pallets
Communication systems
Systems analysis
Communication
Experiments

Communication analysis of visual support system that uses line drawing expression

Yonemura, S., Yoshida, T., Tokunaga, Y. & Ohya, J., 2007, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 1 ed. Vol. 4557 LNCS. p. 359-365 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4557 LNCS, no. PART 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Line Drawing
Information Quality
Communication
Operator
Vision
25 Citations (Scopus)

Contrast enhancement of color images based on wavelet transform and human visual system

Xiao, D. & Ohya, J., 2007, Proceedings of the IASTED International Conference on Graphics and Visualization in Engineering, GVE 2007. p. 58-63 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wavelet transforms
Color
Inverse transforms
Luminance
Pixels
40 Citations (Scopus)

Deformation styles for spline-based skeletal animation

Forstmann, S., Ohya, J., Krohn-Grimberghe, A. & McDougall, R., 2007 Aug 3, Symposium on Computer Animation 2007 - ACM SIGGRAPH / Eurographics Symposium Proceedings, SCA 2007. Association for Computing Machinery, Inc, p. 141-150 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Animation
Splines
Textures
Muscle

Efficient, robust, BEM (Boundary Element Method) based method for simulating articulated 3D elastic object models

Watanabe, T. & Ohya, J., 2007, Proceedings of the IASTED International Conference on Graphics and Visualization in Engineering, GVE 2007. p. 7-12 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boundary element method
Joining
Bone
Inverse kinematics
Data storage equipment
1 Citation (Scopus)

Efficient multiple independent motion segmentation from an active platform by utilizing modified RANSAC

Xie, Y. & Ohya, J., 2007, Proceedings of the IASTED International Conference on Graphics and Visualization in Engineering, GVE 2007. p. 31-36 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stereo vision
Optical flows
2006
1 Citation (Scopus)

EM-in-M: Analyze and synthesize emotion in motion

Kobayashi, Y. & Ohya, J., 2006, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 4153 LNCS. p. 135-143 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4153 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Singular value decomposition
Emotions
Wavelet analysis
Motion
Person

Visual blending using 2D morphing

Semwal, S. K., Ohya, J., Semwal, I. & Bikker, B., 2006, Proceedings of the Third IASTED International Conference on Signal Processing, Pattern Recognition, and Applications. Vol. 2006. p. 316-321 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Virtual reality
Animation
Cameras
Communication
2005

Analysis of expressing audiences in a Cyber-theater

DongWan, K., Huang, K. & Ohya, J., 2005, IEEE International Conference on Multimedia and Expo, ICME 2005. Vol. 2005. p. 727-730 4 p. 1521526

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Theaters
Virtual reality
1 Citation (Scopus)

A study of synthesizing new human motions from sampled motions using Tensor Decomposition

Kalanov, R., Cho, J. & Ohya, J., 2005, IEEE International Conference on Multimedia and Expo, ICME 2005. Vol. 2005. p. 1326-1329 4 p. 1521674

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tensors
Singular value decomposition
Composite materials
2 Citations (Scopus)

Visualization of large iso-surfaces based on nested clip-boxes

Forstmann, S. & Ohya, J., 2005 Jul 31, ACM SIGGRAPH 2005 Posters, SIGGRAPH 2005. Association for Computing Machinery, Inc, p. 126 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visualization
2004
1 Citation (Scopus)

Cognitive bridge between haptic impressions and texture images for subjective image retrieval

Kobayashi, Y., Ohya, J. & Zhang, Z., 2004, 2004 IEEE International Conference on Multimedia and Expo (ICME). Vol. 3. p. 2239-2242 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image retrieval
Textures
Support vector machines
Lighting

Computer vision based analysis of the botanical tree's dynamical behaviors for the reproduction in virtual space

Lu, L. & Ohya, J., 2004, 2004 IEEE International Conference on Multimedia and Expo (ICME). Vol. 2. p. 839-842 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer vision
Discriminant analysis
Interpolation