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Article
High-frame-rate Video-based Multicopter Tracking System Using Pixel-level Short-time Fourier Transform
In this study, we develop a telephoto pan-tilt drone search and track system for multicopters flying in a wide area spanning hundreds of meters, situated at a distance of hundreds of meters. It can detect peri...
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Article
Experimental studies on droplet characteristics in a microfluidic flow focusing droplet generator: effect of continuous phase on droplet encapsulation
The efficacy of droplet-based microfluidic assays depends on droplet size, pattern, generation rate, etc. The size of the droplet is affected by numerous variables as flow rate ratio, viscosity ratio, microcha...
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Article
Open AccessDroplet-based lab-on-chip platform integrated with laser ablated graphene heaters to synthesize gold nanoparticles for electrochemical sensing and fuel cell applications
Controlled, stable and uniform temperature environment with quick response are crucial needs for many lab-on-chip (LOC) applications requiring thermal management. Laser Induced Graphene (LIG) heater is one suc...
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Article
Open AccessProjection-map**-based object pointing using a high-frame-rate camera-projector system
The novel approach to physical security based on visible light communication (VLC) using an informative object-pointing and simultaneous recognition by high-framerate (HFR) vision systems is presented in this ...
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Article
Open AccessReal-time high-resolution video stabilization using high-frame-rate jitter sensing
In this study, the novel approach of real-time video stabilization system using a high-frame-rate (HFR) jitter sensing device is demonstrated to realize the computationally efficient technique of digital video...
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Chapter and Conference Paper
High-Frame-Rate Video Analysis for Mobile-Vibration-Based Crop Inspection
This paper describes a novel method for mobile-vibration-based crop inspection to visualize differences in dynamics between vibrating crops and objects pixel by pixel with vision-based FFT analysis. High-frame...
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Article
Open AccessMotion-blur-free video shooting system based on frame-by-frame intermittent tracking
In this paper, a concept of frame-by-frame intermittent tracking to achieve motion-blur-free and high-brightness images when video shooting fast moving scenes is proposed. In our tracking concept, two control ...
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Article
Open AccessPosition and inclination control of a passive disk based on cyclic motion generation
We propose a position and inclination controlling method for a passive object using an active plate. Previously, we proposed a novel manipulation scheme that can control a passive object’s orientation using an...
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Chapter and Conference Paper
High Frame Rate Real-Time Scene Change Detection System
Scene change detection, one of the fundamental and most important problem of computer vision, plays a very important role in the realization of a complete industrial vision system as well as automated video su...
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Article
Review of some advances and applications in real-time high-speed vision: Our views and experiences
The frame rate of conventional vision systems is restricted to the video signal formats (e.g., NTSC 30 fps and PAL 25 fps) that are designed on the basis of the characteristics of the human eye, which implies ...
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Article
High frame-rate tracking of multiple color-patterned objects
In this study, we develop a high frame-rate vision system that can execute color histogram-based tracking of multiple color-patterned objects in a 512 × 512 image at 2,000 fps by implementing an expanded cell-...
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Chapter
Dynamic Information Space Based on High-Speed Sensor Technology
The purpose of this research is to realize a dynamic information space harmonizing human perception system, recognition system, and motor system. Toward this purpose, our key technology is high-speed sensor te...
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Chapter
Real-time Capillary-level Microchannel Flow Analysis Using a Full-pixel Frame-straddling Micro-PIV System
We develop a high throughput microscopic particle image velocimetry system that can compute flow vectors of 512 × 512 pixels in real time at 500 fps for fast microchannel flow. To compute many flow vectors at ...
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Chapter
Fast Three-Dimensional Shape Inspection Using a Multi-sided Mirror
This chapter describes a fast and high-space resolution three-dimensional (3-D) shape inspection system based on the light-section method, which sets a multi-sided mirror between an image sensor and the target...
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Chapter and Conference Paper
Real-Time Modal Analysis of Shell-Shaped Objects Using High-Frame-Rate Structured-Light-Based Vision
In this study, we introduce a real-time vision-based modal testing system to estimate the modal parameters of shell-shaped objects simultaneously using high-frame-rate structured-light-based vision. Based on s...
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Article
500-fps face tracking system
In this paper, we propose a high-speed vision system that can be applied to real-time face tracking at 500 fps using GPU acceleration of a boosting-based face tracking algorithm. By assuming a small image disp...
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Article
Real-time scratching behavior quantification system for laboratory mice using high-speed vision
Scratching is a specific behavior induced by itching; it is also a common symptom of many types of dermatitis. For the itching evaluation in animal models, automatic quantification system is needed for objecti...
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Chapter and Conference Paper
A Motion-based System to Evaluate Infant Movements Using Real-time Video Analysis
This paper proposes a marker-less motion measurement and analysis system for quantitative evaluation of movements of infants. In this system, movements of infants are measured using a single video camera, and ...
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Chapter and Conference Paper
lms Sensory-Motor Fusion System
Recently, there has been growing interest in sensory-motor integration for new behavior of intelligent robots. And the key component to this work is sensory information processing technology which is based on ...