Changyo Han
  • Home
  • Papers
  • Projects
  • Experience
  • Recent & Upcoming Talks
    • Example Talk
  • Projects
    • corobos
    • Design and Fabrication for Dynamic Color-Changing on Curved 3D-Printed Surfaces
    • AIR-range Plus
    • LattiSense
    • Imperceptible Screen-Camera Communication
    • Global Innovation Network Analysis
    • TelemetRing
    • PneuModule
    • ForceStamps
    • Radio-over-Fiber Systems
    • Mode-Division-Multiplxed Optical Communication
  • Publications
    • corobos: A Design for Mobile Robots Enabling Cooperative Transitions between Table and Wall Surfaces
    • Acquisition and Visualization of HVAC Data by Autonomous Mobile Robots
    • PaperWave: Listening to Research Papers as Conversational Podcasts Scripted by LLM
    • Robust Recognition of Imperceptible QR Codes in Videos with a Dual-Camera Smartphone
    • Developing PaperWave : A System for Adapting Research Papers into
    • Design of full-body wireless charging and communication clothing for medical digital twin
    • 空中像光学系の水平視域拡大のための対称ミラー構造の設計
    • Design and Fabrication for Dynamic Color-Changing on Curved 3D-Printed Surfaces
    • AIR-range Plus：テーブル上を動き回る複数の空中像とのインタラクション
    • corobos plus: 卓上・壁面・天井の間を移行する群ロボット
    • 空中像をつくるワークショップにおいて参加者が直面する困難についての探索的検討
    • A Plane-Assisted Method for Efficient 3D Arrangement of Computer-Generated Objects
    • Extending Luminance Range and Maintaining Decoding Rate for Imperceptible Markers by Quadrature Color Vibration
    • MMM: Mid-air image Moving in and out of the Mirror with backward glance in the mirror
    • Quadrature Color Vibration Method for Improving Robustness of Imperceptible Markers Embedded in Video
    • Robust Recognition of Imperceptible QR Codes in Videos with a Dual-Camera Smartphone
    • 机上を動き回る複数の空中像のインタラクティブシステム AIR-range Plus の基礎検討
    • 直交色振動不可視マーカにおける軟判定復号法の基礎検討
    • Demonstrating Swarm Robots Capable of Cooperative Transitioning between Table and Wall
    • LattiSense: A 3D-Printable Resistive Deformation Sensor with Lattice Structures
    • 鏡に映り込む空中像と鏡に吸い込まれる空中像
    • CGオブジェクトの効率的配置のためのデスクトップ3Dインタフェースの開発
    • 再帰透過式空中像に対するプリズムシートを用いた迷光低減
    • 卓上と壁の間を移行する群ロボットcorobosにおけるアタッチメントの改良
    • A Color Vibration Method Robust to Interframe Difference for Embedding Imperceptible Markers in Videos
    • Luminance-Based Data Representation for Improving Contrast in Pixel-level Visible Light Communication
    • Quadrature Color Vibration Method for Improving Robustness of Imperceptible Markers Embedded in Video
    • Sensor and sensor manufacturing method
    • Simultaneous Wireless Information and Power Transfer Technique Using Frequency-Modulated DC/DC Converters
    • Using a Dual-Camera Smartphone to Recognize Imperceptible 2D Barcodes Embedded in Videos
    • Design of 3D-Printed Soft Sensors for Wire Management and Customized Softness
    • corobos: 卓上と壁の間を移行する群ロボット
    • Using a Dual-Camera Smartphone to Recognize Imperceptible 2D Barcodes Embedded in Videos
    • モード選択と手指動作入力を用いた対話的なアバターのモーション制御
    • 再帰透過光学素子による空中像に対する最適な鑑賞方向の変換
    • 動画に重畳した不可視マーカの頑健な認識―デュアルカメラによる同時撮影―
    • 遠隔の初学者と経験者が共同で電子工作を行う製作ツールの提案
    • 3D Printing Firm Inflatables with Internal Tethers
    • National borders transcended : the impact of geographical proximity on the growth of global innovation networks among cities in East Asia proximity on the growth of global innovation networks
    • 動画像に不可視マーカを埋め込むためのフレーム間差分に頑健な色振動方式の基礎検討
    • 可視光通信プロジェクタの高画質化のための光源制御による輝度補正
    • 映像における色振動方式不可視マーカの読み取り可能距離の拡張
    • PneuModule: 感圧タッチパッドとインフレータブルピンアレイを用いた再構成可能な物理インタフェース
    • CoVR: Co-located Virtual Reality Experience Sharing for Facilitating Joint Attention via Projected View of HMD Users
    • ForceStamps: Fiducial Markers for Pressure-sensitive Touch Surfaces to Support Rapid Prototyping of Physical Control Interfaces
    • HMD視点映像のプロジェクタ投影によるVR体験の共有
    • PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces
    • TelemetRing : A Batteryless and Wireless Ring-Shaped Keyboard using Passive Inductive Telemetry
    • An Intuitive Interface for Digital Synthesizer by Pseudo-intention Learning
    • An example preprint / working paper
    • BumpMarker: a 3D-printed tangible marker for simultaneous tagging, tracking, and weight measurement
    • Force Markers : Embossed Fiducials for Recognizing Physical Objects on Pressure-Sensitive Touch Surfaces
    • 3D printing technologies for flexible tactile sensors toward wearable electronics and electronic skin
    • Analog optical transmission system using dispersion management technique
    • Apparatuses and methods for transmitting and receiving control signal in analog radio-over-fiber (ROF)-based mobile fronthaul
    • Mode-multiplexing control method, and transmission apparatus and reception apparatus for the same
    • Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link
    • 映像コンテンツとロボットの連携に向けた 非可聴音声への信号埋め込み手法の検討 Embedding Signals for Robot-Video Communication Using Inaudible Frequency Sounds
    • Comparison of Pointing Methods in Sharing VR Experiences using Projected HMD View
    • Control apparatus and method for monitoring optical fiber link
    • Mode division multiplexed passive optical network (MDM-PON) apparatus, and transmission and reception method using the same
    • Bandwidth Efficient Transmission of 96 LTE-A Signals with 118-Gb/s CPRI-Equivalent Rate using 2-GHz Frequency Span and Intermixing Mitigation for Mobile Fronthaul
    • Experimental Investigations of Uplink Transmission Performances in a Mobile Fronthaul based on IFoF Technique
    • Performance Improvement of Multi-IFoF-Based Mobile Fronthaul Using Dispersion-Induced Distortion Mitigation With IF Optimization
    • Clipping Distortion Suppression of Directly Modulated Multi-IF-over-Fiber Mobile Fronthaul Links Using Shunt Diode Predistorter
    • Impact of Dispersion-Induced Second-Order Distortion in Multi-IFoF-based Mobile Fronthaul Link for C-RAN
    • Demonstration of Mobile Fronthaul Test Bed Based on RoF Technology Supporting Two Frequency Assignments and 2✕2 MIMO Antennas
    • Improvement of the transmission performance in multi-IF-over-fiber mobile fronthaul by using tone-reservation technique
    • An example journal article
    • Linearity Improvement of Directly-Modulated Multi-IF-over-Fibre LTE-A Mobile Fronthaul Link Using Shunt Diode Predistorter
    • Mode- and wavelength-division multiplexed transmission using all-fiber mode multiplexer based on mode selective couplers
    • Experimental Demonstrations of Next Generation Cost-Effective Mobile Fronthaul with IFoF technique
    • Experimental Comparison of the Multi-IF Carrier Generation Methods in IF-over-Fiber System Using LTE Signals
    • Effect of rotational misalignment in phase-plate based mode multiplexer
    • Investigaitons of EVM Performance Degradations caused by Nonlienarity in Mobile Fronthaul Architecture based on IFoF technology
    • Design of RoF based Mobile Fronthaul Link with Multi-IF Carrier for LTE/LTE-A Signal Transmission
    • An example conference paper
    • Influence of Channel Misalignment of Time-interleaved DAC on Sensitivity Degradation in Coherent Optical Receivers
    • Novel Polarization-diversity Scheme Based on Mutual Phase Conjugation for Fiber-nonlinearity Mitigation in Ultra-long Coherent Optical Transmission Systems
    • Wavelength Demultiplexing of Nyquist WDM Signals under Large Frequency Offsets in Digital Coherent Receivers
    • Influence of channel misalignment of time-interleaved DAC on sensitivity degradation in coherent receivers
    • Area Reduction of Millimeter-Wave CMOS Amplifier Using Narrow Transmission Line
    • Effect of Transmission Line Modeling Using Different De-embedding Methods
  • Projects
  • Blog
    • 🎉 Easily create your own simple yet highly customizable blog
    • 🧠 Sharpen your thinking with a second brain
    • 📈 Communicate your results effectively with the best data visualizations
    • 👩🏼‍🏫 Teach academic courses
    • ✅ Manage your projects
  • Experience
  • Teaching
    • Learn JavaScript
    • Learn Python

Quadrature Color Vibration Method for Improving Robustness of Imperceptible Markers Embedded in Video

Jan 1, 2023·
Kota Araki
,
Yuki Kakui
,
Changyo Han
,
Takeshi Naemura
· 0 min read
Cite
Type
Journal article
Last updated on Jan 1, 2023
Screen-Camera Communication Color Vibration
← Luminance-Based Data Representation for Improving Contrast in Pixel-level Visible Light Communication Jan 1, 2023
Sensor and sensor manufacturing method Jan 1, 2023 →

© 2025 Changyo Han.

Published with Hugo Blox Builder — the free, open source website builder that empowers creators.