Epitrochoids sampling of light field

  • A. Higaki, K. Kitano, Y. Fujimura, T. Kushida, T. Funatomi, Y. Mukaigawa, ``Refractive epitrochoids sampling for light field measurement using wedge prisms'', Optics Express 33(2), 2604-2619, Jan. 2025. [LINK]

Speckle Propagation

  • J. Naka, K. Kitano, R. Ishiyama, T. Funatomi, Y. Mukaigawa, ``Reference Data Augmentation with Phase Retrieval against Axial Misalignment for Laser Speckle Authentication'', Optica Laser Congress, Oct. 2024. [PDF]

Anime Character Colorization using Few-shot Patch-based Learning

  • A. Maejima, S. Shinagawa, H. Kubo, T. Funatomi, T. Yotsukura, S. Nakamura, Y. Mukaigawa, ``Continual few-shot patch-based learning for anime-style colorization'', Springer Computational Visual Media, July 2024. [LINK]
  • A. Maejima, H. Kubo, S. Shinagawa, T. Funatomi, T. Yotsukura, S. Nakamura, Y. Mukaigawa, ``Anime Character Colorization using Few-shot Learning'', SIGGRAPH ASIA 2021 Technical Paper, Dec. 2021. [LINK]
  • [DEMO] [project page]
© OLM Asia SDN BHD

Soil Moisture Content

  • R. Yoshida, T. Funatomi, Y. Mukaigawa, ``Estimating Soil Moisture Content Considering Environmental Changes Using Thermal Camera'', International Symposium on Artificial Life and Robotics (AROB2024), Jan. 2024. [PDF]

Fluorescent Dyes

  • K. Fujiwara, T. Funatomi, K. Kitano, Y. Fujimura, Y. Mukaigawa, H. Ochiai, ``Detection of multiple fluorescent dyes using liquid crystal variable retarder and sparse modeling'', Electronic Imaging (EI2024), Jan. 2024. [PDF]

Deep Depth from Focal Stack

  • Y. Fujimura, M. Iiyama, T. Funatomi, Y. Mukaigawa, ``Deep Depth from Focal Stack with Defocus Model for Camera-Setting Invariance'', International Journal of Computer Vision, Dec. 2023. [LINK]

NLOS-NeuS

  • Y. Fujimura, T. Kushida, T. Funatomi, Y. Mukaigawa, ``NLOS-NeuS: Non-line-of-sight Neural Implicit Surface'', IEEE International Conference on Computer Vision (ICCV2023), Oct. 2023. [LINK]

Tomb Murals

  • M. Tsuji, Y. Fujimura, T. Funatomi, Y. Mukaigawa, T. Morimoto, T. Oishi, J. Takamatsu, K. Ikeuchi, ``Pigment Mapping for Tomb Murals using Neural Representation and Physics-based Model'', 4th ICCV Workshop on e-Heritage, Oct. 2023. [PDF]

Hyperspectral Imaging Considering Natural Light Fluctuations

  • S. J. Kessy, T. Funatomi, Y. Fujimura, K. Kitano, G. Caron, E. M. Mouaddib, Y. Mukaigawa, ``Hyperspectral Imaging of In-Site Stained Glasses: Illumination Variation Compensation Using Two Perpendicular Scans'', 4th ICCV Workshop on e-Heritage, Oct. 2023. [PDF]
  • T. Funatomi, T. Ogawa, K. Tanaka, H. Kubo, G. Caron, E. M. Mouaddib, Y. Matsushita, Y. Mukaigawa, ``Eliminating Temporal Illumination Variations in Whisk-broom Hyperspectral Imaging'', International Journal of Computer Vision, Mar. 2022. [LINK]
  • T. Ogawa, T. Funatomi, K. Tanaka, H. Kubo, Y. Mukaigawa, ``Compensation for Illumination changes on Whisk-broom Hyperspectral Imaging'', Meeting on Image Recognition and Understanding (MIRU2019), PS1-63, July 2019. [PDF]
  • Keeping the light from fading [NAIST Research Achievements]

Human Pose Estimation

  • I. Otake, K. Kitano, T. Kushida, H. Kubo, A. Maejima, Y. Fujimura, T. Funatomi, Y. Mukaigawa, ``Updating Human Pose Estimation using Event-based Camera to Improve Its Accuracy'', ACM SIGGRAPH 2023, Aug. 2023. [PDF] [Poster]

Physics-based Autoencoder

  • R. Shitomi, M. Tsuji, Y. Fujimura, T. Funatomi, Y. Mukaigawa, T. Morimoto, T. Oishi, J. Takamatsu, K. Ikeuchi, ``Unsupervised learning with a physics-based autoencoder for estimating the thickness and mixing ratio of pigments'', Journal of the Optical Society of America A, Vol. 40, Issue 1, pp. 116-128, Dec. 2022. [LINK]

Shape From Thermal Radiation

  • Y. Nagase, T. Kushida, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``Shape From Thermal Radiation: Passive Ranging Using Multi-spectral LWIR Measurements'', CVPR2022, June 2022. [PDF]

Practical Descattering

  • T. Kushida, K. Tahara, H. Chiba, Y. Kagawa, K. Tanaka, T. Funatomi, , Y. Mukaigawa, ``Descattering for Transmissive Inspection in Production Line Us ing Slanted Linear Image Sensors'', Optics Express, Vol. 30, Issue 21, pp. 38016-38026, 2022. [LINK]
  • T. Kushida, K. Tanaka, Y. Kagawa, T. Funatomi, K. Tahara, Y. Mukaigawa, ``Practical Descattering of Transmissive Inspection Using Slanted Linear Image Sensors'', International Conference on Machine Vision Applications (MVA2021), July 2021. [PDF]

Touch Sensing

  • M. Tsuji, H. Kubo, S. Jayasuriya, T. Funatomi, Y. Mukaigawa, ``Touch Sensing for a Projected Screen Using Slope Disparity Gating'', IEEE Access, July 2021. [LINK]

Show-through Cancellation for Ancient Document

  • Y. Ueno, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``An Optical Model for Show-through Cancellation in Ancient Document Imaging with Dark and Bright Mounts'', International Conference on Machine Vision Applications (MVA2021), July 2021. [PDF]

ToF in Fog Using Multiple Time-gated Exposures

  • D. Kijima, T. Kushida, H. Kitajima, K. Tanaka, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Time-of-flight Imaging in Fog Using Multiple Time-gated Exposures'', OSA Optics Express, Vol. 29, Issue 5, pp. 6453-6467, Feb. 2021. [LINK]

Spectral Super-resolution by Image Sensor Tilting

  • K. Kitano, T. Funatomi, R. Yasukuni, K. Tanaka, H. Kubo, Y. Hosokawa, Y. Mukaigawa, ``Spectral Super-resolution by Image Sensor Tilting'', OSA Optical Sensors and Sensing / Imaging and Applied Optics Congresses 2020 (OSA COSI2020), June 2020. [PDF]

Polarized NLOS

  • K. Tanaka, Y. Mukaigawa, A. Kadambi, ``Polarized Non-Line-of-Sight Imaging'', Proc. CVPR2020, June 2020. [LINK]
  • [Project page]

3D Watermarking

  • A. Delmotte, K. Tanaka, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Blind Watermarking for 3D Printed Objects by Locally Modifying Layer Thickness'', IEEE Trans. on Multimedia, Dec. 2019. [LINK]
  • A. Delmotte, K. Tanaka, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Blind Watermarking for 3-D Printed Objects using Surface Norm Distribution'', Proc. ICIEV & icIVPR 2018, June 2018. [PDF]

Graph Matching based Anime Colorization

  • A. Maejima, H. Kubo, T. Funatomi, T. Yotsukura, S. Nakamura, Y. Mukaigawa, ``Graph Matching based Anime Colorization with Multiple References'', ACM SIGGRAPH 2019, Poster, July 2019. [LINK]
© OLM Digital

Thermal NLOS

  • M. Kaga, T. Kushida, T. Takatani, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``Thermal non-line-of-sight imaging from specular and diffuse reflections'', IPSJ Transactions on Computer Vision and Applications, vol.11, no.8, Nov. 2019. [LINK]

Depth from Phasor Distortions in Fog

  • T. Muraji, K. Tanaka, T Funatomi, Y. Mukaigawa, ``Depth from Phasor Distortions in Fog'', OSA Optics Express, Vol. 27, Issue 13, pp. 18858-18868, June 2019. [LINK]

Slope Dispariry Gating

  • S. Chandran, H. Kubo, T. Ueda, T. Funatomi, Y. Mukaigawa, S. Jayasuriya, ``Slope Disparity Gating: System and Applications'' IEEE Transactions on Computational Imaging, Mar. 2022. [LINK]
  • T. Ueda, H. Kubo, S. Jayasuriya, T. Funatomi, Y. Mukaigawa, ``Slope Disparity Gating using a Synchronized Projector-Camera System'', IEEE ICCP2019, May 2019. (Demo Award) [LINK]

Spatio-temporal modulation of illumination for depth measurement

  • T. Kushida, K. Tanaka, T. Aoto, T. Funatomi, Y. Mukaigawa, ``Spatio-temporal Phase Disambiguation in Depth Sensing'', IEEE ICCP2019, May 2019. [PDF]

Spatio-sequential Frequency Correlation Imaging

  • T. Takatani, T. Aoto, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``Reconstruction of Volumetric Reflectance using Spatio-sequential Frequency Correlation Imaging'', Proc. SIGGRAPH Asia 2018, Dec. 2018. [LINK]

Contact Imaging

  • F, Kuniyoshi, T. Funatomi, H. Kubo, Y. Sawada, Y. O. Kato, Y Mukaigawa, ``Visibility Enhancement by Integrating Refocusing and Direct-Global Separation with Contact Imaging'', International Journal of Computer Vision, Mar. 2019. [LINK]

Automatic colorization for anime trace image by semantic segmentation

  • D. Ishii, H. Kubo, S. Shinagawa, A. Maejima, T. Funatomi, S. Nakamura, Y. Mukaigawa, ``Confidence-aware Practical Anime-style Colorization'', ACM SIGGRAPH 2020, Talks, Aug. 2020. [LINK]
  • S. D. P. Ramassamy, H. Kubo, T. Funatomi, D. Ishii, A. Maejima, S. Nakamura, Y. Mukaigawa, ``Pre- and Post-Processes for Automatic Colorization using a Fully Convolutional Network'', Proc. SIGGRAPH Asia 2018, Dec. 2018. [LINK]
  • [DEMO]
© OLM Digital

Short Range Light Transport

  • T. Iwaguchi, H. Kubo, T. Funatomi, Y. Mukaigawa, S. Narasimhan, ``Acquiring Short Range 4D Light Transport with Synchronized Projector Camera Sy stem'', Proc. VRST2018, Nov. 2018. [Cyber Agent Award] [Best Poster Award] [PDF]

Pop-up Effect of ChromaDepth™

  • Y. Nakanishi, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Mathematical Model for Pop-up Effect of ChromaDepth'', Proc. VRST2018, Nov. 2018. [Best Poster Award] [PDF]

Multiple weighted measurements

  • T. Takatani, Y. Mukaigawa, Y. Matsushita, Y. Yagi, ``Decomposition of Reflection and Scattering by Multiple Weighted Measurements'', IPSJ Transactions on Computer Vision and Applications, Oct. 2018. [LINK]

Controlling translucency by UV printing

  • T. Takatani, K. Fujita, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``Controlling translucency by UV printing on a translucent object'', IPSJ Transactions on Computer Vision and Applications, 2018. [LINK] [PDF]

Thermal Photometric Stereo

  • K. Tanaka, N. Ikeya, T. Takatani, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Time-resolved Light Transport Decomposition for Thermal Photometric Stereo'', Proc. CVPR2018, June 2018.
  • [Project page]

Measurement of Indirect Light Transport

  • H. Kubo, S. Jayasuriya, T. Iwaguchi, T. Funatomi, Y. Mukaigawa, S. Narasimhan, ``Acquiring and Characterizing Plane-to-Ray Indirect Light Transport'', Proc, ICCP2018, May 2018. [PDF]
  • [Project page]

BRDF Reconstruction from Multiple Images

  • T. Ono, H. Kubo, K. Tanaka, T. Funatomi, Y. Mukaigawa, ``Practical BRDF Reconstruction using Reliable Regions in Geometry from Multi-View Stereo'', Computational Visual Media, Aug. 2019. [LINK]
  • [Project page]

Measurement of Scattering Phase Function

  • Y. Minetomo, H. Kubo, T. Funatomi, M. Shinya, Y. Mukaigawa, ``Acquiring Non-parametric Scattering Phase Function from a Single Image'', Computational Visual Media, Aug. 2018. [LINK]
  • Y. Minetomo, H. Kubo, T. Funatomi, M. Shinya, Y. Mukaigawa, ``Acquiring Non-parametric Scattering Phase Function from a Single Image'', Proc. SIGGRAPH Asia2017, Nov. 2017.
  • [Project page]

Examining Single Scattering Region

  • K. Tsubota, T. Takatani, T. Aoto, K. Tanaka, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Examining Single Scattering Region in Concentration, Depth, and Wavelength on Diluted Media'', OSJ - OSA Joint Symposia on Nanophotonics and Digital Photonics, Oct. 2017. [PDF]

Material Classification using Time-of-Flight Distortion

  • K. Tanaka, Y. Mukaigawa, H. Kubo, T. Funatomi, Y. Matsushita, Y. Yagi, ``Material Classification using Frequency and Depth Dependent Time-of-Flight Distortion'', Proc. CVPR2017, July 2017.
  • [Project page]

Kaleidoscopic Hyperspectral Imaging

  • T. Takatani, T. Aoto, Y. Mukaigawa, ``One-shot Hyperspectral Imaging using Faced Reflectors'', Proc. CVPR2017, July 2017.
  • [Project page]

Light Transport Analisis in Nano-Seconds

  • K. Kitano, T. Okamoto, K. Tanaka, T. Aoto, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Recovering Temporal PSF using ToF Camera with Delayed Light Emission'', IPSJ Transactions on Computer Vision and Applications, Aug. 2017. [LINK] [PDF]

Non-Rigid Registration

  • T. Kajihara, T. Funatomi, H. Makishima, T. Aoto, H. Kubo, S. Yamada, Y. Mukaigawa, ``Feature-based non-rigid registration of serial section images by blending rigid transformations'', Proc. IAPR Asian Conference on Pattern Recognition (ACPR2017), Nov. 2017. [Student Travel Prize]
  • [Project page]

Subsurface Scattering on Spherical Translucent Object

  • X. Zeng, T. Iwaguchi, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Evaluating Inverse Rendering of Subsurface Scattering using Translucent Spherical Object'', IPSJ SIG-CGVI 166-3, Mar. 2017. [PDF]

Light Path Alignment for CT

  • T. Iwaguchi, T. Funatomi, H. Kubo, Y. Mukaigawa, ``Light Path Alignment for Computed Tomography of Scattering Material'', IPSJ Transactions on Computer Vision and Applications, Aug. 2016. [PDF]

Transparent Shape from Time-of-Flight Distortion

  • K. Tanaka, Y. Mukaigawa, H. Kubo, Y. Matsushita, Y. Yagi, ``Recovering Transparent Shape from Time-of-Flight Distortion'', Proc. CVPR2016, June 2016.
  • [Project page]

4D Light-field Segmentation

  • H. Mihara, T. Funatomi, K. Tanaka, H. Kubo, H. Nagahara, Y. Mukaigawa, ``4D Light-field Segmentation with Spatial and Angular Consistencies'',Proc, ICCP2016, May 2016.
  • [Project page]

Real-time Rendering of Transluceny Object

  • H. Kubo, K. Tokoi, Y. Mukaigawa, ``Real-time Rendering of Subsurface Scattering according to Translucency Magnitude'', ACM SIGGRAPH 2015 Posters, Article No. 87, Aug. 2015.
  • [Project page]

Optical Replica for Ink Paintings

  • S. Asada, H. Kubo, T. Funatomi, Y. Mukaigawa, ``Simultaneous Reproduction of Reflectance and Transmittance of Ink Paintings'', IEICE TRANSACTIONS on Information and Systems, Jan. 2019. [PDF]

Multi-frequency Illumination

  • K. Tanaka, Y. Mukaigawa, H. Kubo, Y. Matsushita, Y. Yagi, ``Recovering Inner Slices of Layered Translucent Objects by Multi-frequency Illumination'', IEEE Trans. on Pattern Analysis and Machine Intelligence, Nov. 2016. [PDF]
  • K. Tanaka, Y. Mukaigawa, H. Kubo, Y. Matsushita, Y. Yagi, ``Recovering Inner Slices of Translucent Objects by Multi-frequency Illumination'', Proc. CVPR2015, June 2015. [PDF]
  • [Project page]

Layerd model for CT

  • B. Yuan, T. Tamaki, T. Kushida, Y. Mukaigawa, H. Kubo, B. Raytchev, K. Kaneda, ``Optical tomography with discretized path integral'', Journal of Medical Imaging, 2015. [PDF]

Parallel High-frequency Illumination

  • K.Tanaka, Y.Mukaigawa, Y.Matsushita, Y.Yagi, "Descattering of Transmissive Observation using Parallel High-frequency Illumination", Proc. IEEE International Conference on Computational Photography (ICCP2013), Apr. 2013. (Honorable Mention) [PDF]

Light Transport Refocusing

  • Md. A. Mannan, S. Tagawa, T. Tamaki, H. Nagahara, Y. Mukaigawa, Y. Yagi, ``Light Transport Refocusing for Unknown Scattering Medium'', The 22nd International Conference on Pattern Recognition (ICPR2014), Aug. 2014.[PDF]

Speckle Analysis

  • T.Matsumura, Y.Mukaigawa, Y.Yagi, "Estimating depth of layered structure based on multispectral speckle correlation", Proc. 3DV2014, Dec. 2014. [PDF]

4-D illumination light field

  • T.Aoto, T.Sato, Y.Mukaigawa, N.Yokoya, "Linear estimation of 4-D illumination light field from diffuse reflections", Proc. IAPR Asian Conference on Pattern Recognition (ACPR2013), Nov. 2013.[PDF]

Photometric Stereo for Translucent Object

  • C.Inoshita, Y.Mukaigawa, Y.Matsushita and Y.Yagi, "Surface Normal Deconvolution: Photometric Stereo for Optically Thick Translucen t Objects", European Conference on Computer Vision (ECCV2014), Sep. 2014. [PDF] [Poster]
  • [Project page]

Clear Hollow Sphere for Estimating Illumination

  • T. Aoto, T. Taketomi, T. Sato, Y. Mukaigawa and N. Yokoya, "Position Estimation of Near Point Light Sources using Clear Hollow Sphere" Proc. IAPR ICPR2012, Nov. 2012. [PDF] [Poster]