Multi-Touch Tabletop System Using Infrared Image Recognition for User Position Identification.
Shota Suto1,2, Toshiya Watanabe3, Susumu Shibusawa4
1Graduate School of Science and Engineering, Ibaraki University, Hitachi, Ibaraki 316-8511, Japan. macnamas@yahoo.co.jp.
Sensors (Basel, Switzerland)
|May 15, 2018
Summary
This study introduces a multi-touch tabletop system that uses infrared image recognition to identify users and their actions. The system enables intuitive, collaborative interactions without user burden, enhancing group work and learning.
Area of Science:
- Human-Computer Interaction
- Computer Vision
- Collaborative Systems
Background:
- Multi-user collaboration systems require accurate user identification and interaction tracking.
- Existing methods often involve burdensome sensors attached to users or furniture.
- Visual processing offers a non-intrusive approach for recognizing user actions on interactive surfaces.
Purpose of the Study:
- To develop a multi-touch tabletop system utilizing infrared image recognition for user position identification.
- To enable the recognition of multi-touch gestures through visual means.
- To evaluate the system's usability and effectiveness in collaborative scenarios.
Main Methods:
- Development of a multi-touch tabletop system employing an inexpensive FTIR touch panel and infrared light.
- Utilizing an infrared camera to capture touch areas and hand shadows for user position estimation.
- Implementing gesture recognition for actions like object manipulation and duplication.
Main Results:
- The system successfully identifies user positions and distinguishes touch points using infrared imaging.
- Experiments demonstrated effective recognition of multi-touch gestures, including object rotation and copying.
- System usability evaluation indicated ease of learning and operation for users.
Conclusions:
- Infrared image recognition provides an effective and non-intrusive method for multi-touch tabletop interaction.
- The developed system facilitates collaborative work and learning through intuitive gesture recognition.
- The system demonstrates high usability, making it suitable for diverse collaborative settings.
Keywords:
FTIR panelinfrared image recognitionmulti-touch gesturesystem usabilitytabletop systemuser position identificationMore Related Videos
08:39High-throughput Image Analysis of Tumor Spheroids: A User-friendly Software Application to Measure the Size of Spheroids Automatically and Accurately
Published on: July 8, 2014
26.0K
05:25Author Spotlight: Assessing Brain Activity in Robotic-Assisted Lower Limb Rehabilitation Using fNIRS
Published on: June 7, 2024
1.8K
Related Concept Videos
02:26Responses to Gravity and Touch
42.0K
Gravitropism: Plant Responses to Gravity
42.0K
02:32Position-effect Variegation
7.1K
In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.
7.1K
01:31Position and Displacement
26.8K
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...
26.8K
01:03Serial Position Effect
563
The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
563
01:29Position Vectors
2.0K
A position vector is a fundamental concept in mathematics that helps determine the position of one point with respect to another point in space. It is a vector that describes the direction and distance between two points. Position vectors are highly useful in the field of math and science, as they help represent spatial relationships and make calculations easier.
For instance, we want to locate a point P(x, y, z) relative to the origin of coordinates O. In that case, we can define a position...
For instance, we want to locate a point P(x, y, z) relative to the origin of coordinates O. In that case, we can define a position...
2.0K
01:11Anatomical Positions
20.6K
In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
20.6K