Kenji Iwata

According to our database, Kenji Iwata authored at least 60 papers between 1988 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

The STVchrono Dataset: Towards Continuous Change Recognition in Time.

Yanjun Sun, Yue Qiu, Mariia Khan, Fumiya Matsuzawa, Kenji Iwata

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2024

2023

3D Change Localization and Captioning from Dynamic Scans of Indoor Scenes.

Yue Qiu, Shintaro Yamamoto, Ryosuke Yamada, Ryota Suzuki, Hirokatsu Kataoka, Kenji Iwata, Yutaka Satoh

Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2023

VirtualHome Action Genome: A Simulated Spatio-Temporal Scene Graph Dataset with Consistent Relationship Labels.

Yue Qiu, Yoshiki Nagasaki, Kensho Hara, Hirokatsu Kataoka, Ryota Suzuki, Kenji Iwata, Yutaka Satoh

Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2023

Question Generation for Uncertainty Elimination in Referring Expressions in 3D Environments.

Fumiya Matsuzawa, Yue Qiu, Kenji Iwata, Hirokatsu Kataoka, Yutaka Satoh

Proceedings of the IEEE International Conference on Robotics and Automation, 2023

Estimation of Human Condition at Disaster Site Using Aerial Drone Images.

Tomoki Arai, Kenji Iwata, Kensho Hara, Yutaka Satoh

Proceedings of the IEEE/CVF International Conference on Computer Vision, 2023

Examining the Effectiveness of a Robotic-Human-Machine-Interface on Sleepiness During Highway Automated Driving.

Nihan Karatas, Yuki Yoshihara, Hiroko Tanabe, Takahiro Tanaka, Kazuhiro Fujikake, Shuhei Takeuchi, Kenji Iwata, Makoto Harazawa, Naoki Kamiya

Proceedings of the Social Computing and Social Media, 2023

Graph Representation for Order-aware Visual Transformation.

Yue Qiu, Yanjun Sun, Fumiya Matsuzawa, Kenji Iwata, Hirokatsu Kataoka

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Robust Recognition of Speaker Emotion With Difference Feature Extraction Using a Few Enrollment Utterances.

Daichi Hayakawa, Takehiko Kagoshima, Kenji Iwata, Norbert Braunschweiler, Rama Doddipatla

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2023

2022

GA-based Parameter Optimization of Image Processing for Contamination Inspection of Nonwoven Fabrics.

Nobuhiko Kumazawa, Sota Miyazaki, Yoshiyuki Hatta, Junya Sato, Kazuaki Ito, Yukio Otsuka, Ryota Kitagawa, Kenji Iwata, Hidekazu Hirayu

Proceedings of the IECON 2022, 2022

Scene Change Captioning in Real Scenarios.

Yue Qiu, Kodai Nakashima, Yutaka Satoh, Ryota Suzuki, Kenji Iwata, Hirokatsu Kataoka

Proceedings of the Artificial Intelligence in HCI, 2022

Can Vision Transformers Learn without Natural Images?

Kodai Nakashima, Hirokatsu Kataoka, Asato Matsumoto, Kenji Iwata, Nakamasa Inoue, Yutaka Satoh

Proceedings of the Thirty-Sixth AAAI Conference on Artificial Intelligence, 2022

2021

Can Vision Transformers Learn without Natural Images?

Kodai Nakashima, Hirokatsu Kataoka, Asato Matsumoto, Kenji Iwata, Nakamasa Inoue

CoRR, 2021

Describing and Localizing Multiple Changes with Transformers.

Yue Qiu, Shintaro Yamamoto, Kodai Nakashima, Ryota Suzuki, Kenji Iwata, Hirokatsu Kataoka, Yutaka Satoh

Proceedings of the 2021 IEEE/CVF International Conference on Computer Vision, 2021

Omnidirectional Flick View.

Ryota Suzuki, Tomomi Sato, Kenji Iwata, Yutaka Satoh

Proceedings of the Virtual, Augmented and Mixed Reality, 2021

2020

Indoor Scene Change Captioning Based on Multimodality Data.

Yue Qiu, Yutaka Satoh, Ryota Suzuki, Kenji Iwata, Hirokatsu Kataoka

Sensors, 2020

Multi-View Visual Question Answering with Active Viewpoint Selection.

Yue Qiu, Yutaka Satoh, Ryota Suzuki, Kenji Iwata, Hirokatsu Kataoka

Sensors, 2020

3D-Aware Scene Change Captioning From Multiview Images.

Yue Qiu, Yutaka Satoh, Ryota Suzuki, Kenji Iwata, Hirokatsu Kataoka

IEEE Robotics Autom. Lett., 2020

Dialog State Tracking with Incorporation of Target Values in Attention Models.

Takami Yoshida, Kenji Iwata, Yuka Kobayashi, Hiroshi Fujimura

Proceedings of the Conversational Dialogue Systems for the Next Decade, 2020

Multi-view Visual Question Answering Dataset for Real Environment Applications.

Yue Qiu, Yutaka Satoh, Ryota Suzuki, Kenji Iwata

Proceedings of the Artificial Intelligence in HCI, 2020

Single Image Contrast Enhancement by Training the HDR Camera Data.

Kenji Iwata, Ryota Suzuki, Yue Qiu, Yutaka Satoh

Proceedings of the Human-Computer Interaction. Design and User Experience, 2020

2019

Transfer Learning for Unseen Slots in End-to-End Dialogue State Tracking.

Kenji Iwata, Takami Yoshida, Hiroshi Fujimura, Masami Akamine

Proceedings of the Increasing Naturalness and Flexibility in Spoken Dialogue Interaction, 2019

Slot Filling with Weighted Multi-Encoders for Out-of-Domain Values.

Yuka Kobayashi, Takami Yoshida, Kenji Iwata, Hiroshi Fujimura

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

2018

Out-of-Domain Slot Value Detection for Spoken Dialogue Systems with Context Information.

Yuka Kobayashi, Takami Yoshida, Kenji Iwata, Hiroshi Fujimura, Masami Akamine

Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

Dialog State Tracking for Unseen Values Using an Extended Attention Mechanism.

Takami Yoshida, Kenji Iwata, Hiroshi Fujimura, Masami Akamine

Proceedings of the 9th International Workshop on Spoken Dialogue System Technology, 2018

Occlusion Handling Human Detection with Refocused Images.

Hirokatsu Kataoka, Shuhei Ohki, Kenji Iwata, Yutaka Satoh

Proceedings of the 24th International Conference on Pattern Recognition, 2018

Semantic Change Detection.

Tomoyuki Suzuki, Munetaka Minoguchi, Ryota Suzuki, Akio Nakamura, Kenji Iwata, Yutaka Satoh, Hirokatsu Kataoka

Proceedings of the 15th International Conference on Control, 2018

Fashion Culture Database: Construction of Database for World-wide Fashion Analysis.

Kaori Abe, Munetaka Minoguchi, Teppei Suzuki, Tomoyuki Suzuki, Naofumi Akimoto, Yue Qiu, Ryota Suzuki, Kenji Iwata, Yutaka Satoh, Hirokatsu Kataoka

Proceedings of the 15th International Conference on Control, 2018

AI-Based VR Earthquake Simulator.

Ryota Suzuki, Ryoki Iitoi, Yue Qiu, Kenji Iwata, Yutaka Satoh

Proceedings of the Virtual, Augmented and Mixed Reality: Applications in Health, Cultural Heritage, and Industry, 2018

2016

Semantic Change Detection with Hypermaps.

Hirokatsu Kataoka, Soma Shirakabe, Yudai Miyashita, Akio Nakamura, Kenji Iwata, Yutaka Satoh

CoRR, 2016

Activity Prediction using a Space-Time CNN and Bayesian Framework.

Hirokatsu Kataoka, Yoshimitsu Aoki, Kenji Iwata, Yutaka Satoh

Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2016), 2016

Dominant Codewords Selection with Topic Model for Action Recognition.

Hirokatsu Kataoka, Kenji Iwata, Yutaka Satoh, Masaki Hayashi, Yoshimitsu Aoki, Slobodan Ilic

Proceedings of the 2016 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2016

Recognition of Transitional Action for Short-Term Action Prediction using Discriminative Temporal CNN Feature.

Hirokatsu Kataoka, Yudai Miyashita, Masaki Hayashi, Kenji Iwata, Yutaka Satoh

Proceedings of the British Machine Vision Conference 2016, 2016

Perceptual Color Classification Based on Lightning Environment with Hyperspectral Data.

Yuko Ozasa, Kenji Iwata, Naoko Enami, Yutaka Satou

Proceedings of the Computer Vision - ACCV 2016 Workshops, 2016

2015

Co-occurrence probability-based pixel pairs background model for robust object detection in dynamic scenes.

Dong Liang, Shun'ichi Kaneko, Manabu Hashimoto, Kenji Iwata, Xinyue Zhao

Pattern Recognit., 2015

Feature Evaluation of Deep Convolutional Neural Networks for Object Recognition and Detection.

Hirokatsu Kataoka, Kenji Iwata, Yutaka Satoh

CoRR, 2015

Evaluation of Vision-Based Human Activity Recognition in Dense Trajectory Framework.

Hirokatsu Kataoka, Yoshimitsu Aoki, Kenji Iwata, Yutaka Satoh

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

2014

Extended Feature Descriptor and Vehicle Motion Model with Tracking-by-Detection for Pedestrian Active Safety.

Hirokatsu Kataoka, Kimimasa Tamura, Kenji Iwata, Yutaka Satoh, Yasuhiro Matsui, Yoshimitsu Aoki

IEICE Trans. Inf. Syst., 2014

Extended Co-occurrence HOG with Dense Trajectories for Fine-Grained Activity Recognition.

Hirokatsu Kataoka, Kiyoshi Hashimoto, Kenji Iwata, Yutaka Satoh, Nassir Navab, Slobodan Ilic, Yoshimitsu Aoki

Proceedings of the Computer Vision - ACCV 2014, 2014

2013

Big Trajectory Data Analysis for Clustering and Anomaly Detection.

Hirokatsu Kataoka, Kenji Iwata, Yutaka Satoh, Ikushi Yoda, Masaki Onishi, Yoshimitsu Aoki

Proceedings of the 13. IAPR International Conference on Machine Vision Applications, 2013

Robust feature descriptor and vehicle motion model with tracking-by-detection for active safety.

Hirokatsu Kataoka, Kimimasa Tamura, Yoshimitsu Aoki, Yasuhiro Matsui, Kenji Iwata, Yutaka Satoh

Proceedings of the IECON 2013, 2013

Vision-Based Tracking for Ecology Analysis of the Cricket.

Yasutake Okuda, Satoru Takahashi, Kuniaki Kawabata, Hitoshi Aonuma, Kenji Iwata, Yutaka Satoh

Proceedings of the First International Symposium on Computing and Networking, 2013

Co-occurrence-based adaptive background model for robust object detection.

Dong Liang, Shun'ichi Kaneko, Manabu Hashimoto, Kenji Iwata, Xinyue Zhao, Yutaka Satoh

Proceedings of the 10th IEEE International Conference on Advanced Video and Signal Based Surveillance, 2013

2011

Semi-synchronous speech and pen input for mobile user interfaces.

Koichi Shinoda, Yasushi Watanabe, Kenji Iwata, Yuan Liang, Ryuta Nakagawa, Sadaoki Furui

Speech Commun., 2011

Optimization and Performance Evaluation of Stereo-Matching Software on Many-core Processors.

Kenji Iwata, Yoshio Tanaka, Ryosuke Nakamura, Tomoki Masuda, Ryosuke Machida, Isao Kojima, Satoshi Sekiguchi

Proceedings of the International Conference on Computational Science, 2011

Object detection based on a robust and accurate statistical multi-point-pair model.

Xinyue Zhao, Yutaka Satoh, Hidenori Takauji, Shun'ichi Kaneko, Kenji Iwata, Ryushi Ozaki

Pattern Recognit., 2011

Cancer detection from biopsy images using probabilistic and discriminative features.

Atsushi Yaguchi, Takumi Kobayashi, Kenji Watanabe, Kenji Iwata, Tadaaki Hosaka, Nobuyuki Otsu

Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Robust adapted object detection under complex environment.

Xinyue Zhao, Yutaka Satoh, Hidenori Takauji, Shun'ichi Kaneko, Kenji Iwata, Ryushi Ozaki

Proceedings of the 8th IEEE International Conference on Advanced Video and Signal-Based Surveillance, 2011

2009

Estimation for Up/Down Fluctuation of Stock Prices by Using Neural Network.

Toyohide Watanabe, Kenji Iwata

Proceedings of the Best Practices for the Knowledge Society. Knowledge, 2009

Statistical Reach Feature Method and Its Application to Template Matching.

Yutaka Satoh, Kenji Iwata, Katsuhiko Sakaue

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2009), 2009

Lavatube - A Software Framework for Computer Vision Research and Development.

Kenji Iwata, Yutaka Satoh, Katsuhiko Sakaue

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2009), 2009

Toward a HLAC-Based Histological Diagnosis System for Virtual-Slide Images.

Kenji Iwata, Yutaka Satoh, Takumi Kobayashi, Toshio Ueshiba, Katsuhiko Sakaue, Kôiti Hasida, Nobuyuki Otsu, Yoichi Kameda, Yohei Miyagi, Yuji Sakuma, Keiji Kikuchi, Eiju Tsuchiya

Proceedings of the 2009 Symposium on Bio-inspired Learning and Intelligent Systems for Security, 2009

2008

Robust spoken term detection using combination of phone-based and word-based recognition.

Kenji Iwata, Koichi Shinoda, Sadaoki Furui

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Development of Software for Real-Time Unusual Motions Detection by Using CHLAC.

Kenji Iwata, Yutaka Satoh, Katsuhiko Sakaue, Takumi Kobayashi, Nobuyuki Otsu

Proceedings of the 2008 ECSIS Symposium on Bio-inspired, 2008

2007

Application of the Unusual Motion Detection Using CHLAC to the Video Surveillance.

Kenji Iwata, Yutaka Satoh, Takumi Kobayashi, Ikushi Yoda, Nobuyuki Otsu

Proceedings of the Neural Information Processing, 14th International Conference, 2007

Semi-Synchronous Speech and Pen Input.

Yasushi Watanabe, Kenji Iwata, Ryuta Nakagawa, Koichi Shinoda, Sadaoki Furui

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

Hybrid Camera Surveillance System by Using Stereo Omni-directional System and Robust Human Detection.

Kenji Iwata, Yutaka Satoh, Ikushi Yoda, Katsuhiko Sakaue

Proceedings of the Advances in Image and Video Technology, First Pacific Rim Symposium, 2006

2003

Robust Facial Parts Detection by Using Four Directional Features and Relaxation Matching.

Kenji Iwata, Hitoshi Hongo, Kazuhiko Yamamoto, Yoshinori Niwa

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2003

2001

Book Cover Identification by Using Four Directional Features Filed for a Small-Scale Library System.

Kenji Iwata, Kazuhiko Yamamoto, Masakazu Yasuda, Kunihito Kato, Masahiko Ishida, Keishi Murata

Proceedings of the 6th International Conference on Document Analysis and Recognition (ICDAR 2001), 2001

2000

A Library System for Small-Scale Library.

Masakazu Yasuda, Kenji Iwata, Kazuhiko Yamamoto, Kunihito Kato, Kyoko Tanahashi, Keishi Murata

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2000), 2000

1988

Logic Simulation System Using Simulation Processor (SP).

Minoru Saitoh, Kenji Iwata, Akiko Nokamura, Makoto Kakegawa, Junichi Masuda, Hirofumi Hamamura, Fumiyasu Hirose, Nobuaki Kawato

Proceedings of the 25th ACM/IEEE Conference on Design Automation, 1988