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Itiro Siio

Ochanomizu University, Department of Computer Science, Faculty Member

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Papers by Itiro Siio

Digital Decor: Augmented Everyday Things

Graphics Interface, 2003

Many training, education, and visualization environ-ments would benefit from realistic animated c... more Many training, education, and visualization environ-ments would benefit from realistic animated characters. Unfortunately, interfaces for character motion specification are often complex and ill-suited to non-experts. We present a tangible interface for basic character manipulation on planar surfaces. In particular, we focus on interface aspects specific to 2D gross character animation such as path and timing specification. Our approach allows for character manipulation and high-level motion specification through a natural metaphor - the figurine. We present an example interface for designing and visualizing strategy in the sport of American football and discuss usability studies of this interface.

Simply tag and find

Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct, 2016

We propose a novel method for locating tagged items that uses a RFID reader, a smartphone, and un... more We propose a novel method for locating tagged items that uses a RFID reader, a smartphone, and unregistered RFID tags attached to a variety of items, furniture and places. As a user moves through a room to locate a target item, our system shows relative distances to the target item and images of items on the way to the target. At the same time, the system scans RFID tags nearby and captures images for scanned RFID-tagged objects. This information is accumulated in a database and is accessible for future item location activities. Since all information was gathered during users' searching activities, the proposed system does not require users' effort for managing and registering tags. We asked 10 users to compare our method with the conventional method, which shows RSSI of the target item, of searching for the target item. The results suggest that our method is effective for location target RFID-tagged items.

IconSticker: Converting Icons into Paper Icons in the Real World

In this paper, we propose an IconSticker for supporting seamless information management between c... more In this paper, we propose an IconSticker for supporting seamless information management between computer screen and real world. The IconSticker is a piece of paper on which icon image and machine readable code (barcode) are printed. It is a real world representation of a computer icon. When it is scanned by a barcode reader, the original computer icon is accessed. Using IconStickers, a user can arrange icons in the real world. IconStickers can be pasted on desks, wall, bulletin boards, papers and link with computer information. The prototype of IconSticker system is also reported.

Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers - UbiComp '15, 2015

Nowadays, people can walk around sporting wearable devices owing to the advancements in wearable ... more Nowadays, people can walk around sporting wearable devices owing to the advancements in wearable computing. Our objective is to develop wearable computing technology that allows a user to sport a device in a natural manner at all times. We then focus on the fingernail, which is accepted as a body part that is decorated, and a magnet that does not require batteries. In this study, we use MagNail, which is nail art that uses a magnet as the decorative material. It is attached to the user's nail and detects the status of the user's finger while operating a smartphone, via the magnetic sensor inherent in the device.

CHI '14 Extended Abstracts on Human Factors in Computing Systems, 2014

Various home appliances and electronic devices require remote control in homes, such as air condi... more Various home appliances and electronic devices require remote control in homes, such as air conditioners and televisions, and the number of household remote control devices is increasing. However, the users of remote control devices sometimes experience stress because they might forget where they left a device, or they might have problems selecting the correct control from an array of confusing devices. Thus, we propose an innovative control method for home electronics that detects user gestures, where the prompts for gestures are projected onto the user's body. We also designed gestures and a GUI, which are highly intuitive and easy to understand. We refer to this system as "U-Remo" (ubiquitous + you are the remote control). As an example of this method, we applied the U-Remo system to an air conditioner. We developed a prototype system that comprised an air conditioner embedded device, a depth sensor camera, and a projector, which allowed the detection of user actions and the provision of graphical feedback based on the user's actions.

Complete fashion coordinator

Proceedings of the International Conference on Advanced Visual Interfaces, 2010

For some people, selecting the clothes you wear is sometimes tedious, difficult and requires you ... more For some people, selecting the clothes you wear is sometimes tedious, difficult and requires you to remember what you have previously worn. While there are many fashion SNS (Social Networking Services) sites and related research devoted to addressing certain aspects of this issue, there is no system that combines both the automated cataloguing of one's own clothes with near real-time recommendation by their social network. In this paper, we propose a novel system which allows users to easily organize and optimize their daily clothing selection based on historical data. By combining historical information about what the user has worn with several options such as the user's planned activities and the weather, it can help the user in coordinating what to wear. In order to simplify and automate the capture, storage and cataloging of image of the users clothing, we propose a system which allows for the automatic and standardized capturing of a person's clothes by simply hanging an item on a hook built into a cabinet. Furthermore, by utilizing the internet and common SNS sites, it allows friends, family living apart and/or romantic couples to seamlessly share the catalogued photos of their clothes, initiate conversation and help select what is appropriate to wear.

AugmentedBacklight: Expansion of LCD Backlights Using Lighting Methods in the Real World

Lecture Notes in Computer Science, 2013

People experience various lights in daily life, such as sunlight through leaves and candle light.... more People experience various lights in daily life, such as sunlight through leaves and candle light. However, digital contents shown in common LCDs cannot express these impressive lights. In this paper, we propose a novel display technique, AugmentedBacklight, which can express impressive lights in the real world by expanding the LCD backlight. The system mainly consists of a transparent LCD, a screen behind the LCD, and a projector behind the above devices. The projector shows videos of impressive lights on the screen for the backlight of the transparent LCD. Thus, users can see digital contents (e.g., e-books and pictures) under various impressive lights in the real world.

AwareCover: Interactive Cover of the Smartphone for Awareness Sharing

Lecture Notes in Computer Science, 2013

Although there are many systems that support communication by sharing activities of people in sep... more Although there are many systems that support communication by sharing activities of people in separate locations, these systems still have problems to be used in daily environment. Smart phones are promising platform to solve these problems since many people always carry them. Therefore, we focus on the cover for the smart phones, and propose a cover-type system called AwareCover that supports users to share remote awareness by attaching the sensors/actuators in a cover of a smart phone. We also implement PadPet as a prototype based on this concept.

Proceedings of the 16th International Workshop on Mobile Computing Systems and Applications, 2015

Proceedings of the 2014 ACM International Symposium on Wearable Computers, 2014

In this study, we design and implement MagNail, a nail augmented with a magnet, that allows user ... more In this study, we design and implement MagNail, a nail augmented with a magnet, that allows user actions to be detected via the magnetic sensor integrated in smart devices such as a smartphone or a tablet PC. By using this system, therefore, the user can intuitively use the smart device using finger motions. We also develop a drawing application with an intuitive mode switching function and evaluate its performance.

Proceedings of the 10th asia pacific conference on Computer human interaction - APCHI '12, 2012

We propose a music-box-type interface, "HomeOrgel", that can express various activities in the ho... more We propose a music-box-type interface, "HomeOrgel", that can express various activities in the home with sound. Users can also control the volume and contents using the usual methods for controlling a music box: opening the cover and winding a spring. Users can hear the sounds of past home activities, such as conversations and opening/closing doors, with the background music (BGM) mechanism of the music box. This paper describes the concepts, implementation and evaluation of the HomeOrgel system.

Proceedings of the fifth international conference on Tangible, embedded, and embodied interaction, 2010

We propose a flowerpot-type robot called PotPet that helps users grow plants more effectively and... more We propose a flowerpot-type robot called PotPet that helps users grow plants more effectively and enjoyably. PotPet acts autonomously like pets: it automatically moves to sunny places or approaches people when it requires water. Basically, PotPet consists of a "real" plant, several sensors to detect plant status, a robot with wheels for mobility, and a microcontroller to control the above devices. Here we explain the concepts and implementation of the PotPet.

SyncDecor: Communication Appliances for Couples Separated by Distance

2008 The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies, 2008

Despite the fact that various means of communication such as mobile phones, instant messenger and... more Despite the fact that various means of communication such as mobile phones, instant messenger and e-mail are now widespread; many romantic couples separated by long distances worry about the health of their relationships. Likewise, these couples have a greater desire to feel a sense of connection, synchronization or "oneness" with their partners. This paper concentrates on the use of common, day-today items and modifying them to communicate everyday actions while maintaining a sustained and natural usage pattern for strongly paired romantic couples. For this purpose, we propose the "SyncDecor" system, which pairs traditional appliances and allow them to remotely synchronize and provide awareness or cognizance about their partners-thereby creating a virtual "living together" feeling. We present evidence, from a 3month long field study, where traditional appliances provided a significantly more natural, varied and sustained usage patterns which ultimately enhanced communications between the couples.

Persuasive technology to improve eating behavior using a sensor-embedded fork

Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2014

This paper describes the design of a digital fork and a mobile interactive and persuasive game fo... more This paper describes the design of a digital fork and a mobile interactive and persuasive game for a young child who is a picky eater and/or easily distracted during mealtime. The system employs Ubicomp technology to educate children on the importance of a balanced diet while motivating proper eating behavior. To sense a child's eating behavior, we have designed and prototyped a sensor-embedded digital fork, called the Sensing Fork. Furthermore, we have developed a storybook and persuasive game, called the Hungry Panda, on a smartphone. This capitalizes on the capabilities of the Sensing Fork to interact with and modify children's eating behavior during mealtime. We report the results of a real-life study that involves mother-child subjects and tested the effectiveness of the Sensing Fork and Hungry Panda game in addressing children's eating problems. Our findings exhibit positive effects for changing children's eating behavior.

Making recipes in the kitchen of the future

CHI '04 Extended Abstracts on Human Factors in Computing Systems, 2004

EducaTableware: Sound Emitting Tableware for Encouraging Dietary Education

Journal of Information Processing, 2014

We propose "EducaTableware (Educate/Tableware)," a design for interactive tableware devices that ... more We propose "EducaTableware (Educate/Tableware)," a design for interactive tableware devices that makes eating more playful and improves daily eating habits through auditory feedback to encourage specific mealtime behaviors. We have developed a fork-type device for use when eating. This device emits sounds when a user is consuming a food item. In this paper, we discuss the EducaTableware concept, describe the implementation of the fork-type device, and conduct a user test with child subjects for one week.

HomeOrgel: Interactive music box to present actual home activities with symbolic sounds

We propose a music-box-type interface, "HomeOrgel", which can express various activities in the h... more We propose a music-box-type interface, "HomeOrgel", which can express various activities in the home using sound. Users can also control the volume and content using common methods for controlling a music box: opening the cover and winding the spring. This system helps users look back on past activities in the home using sounds, imitating the recall of memories using a music box. We developed the HomeOrgel device and installed a simple activity recognition system in an actual house "Ocha House" to verify the effectiveness of the HomeOrgel using actual data.

BoxFinder: Finding items in boxes using images and visual markers

Real-World Interaction using Absolute Mouse

CHI '02 Extended Abstracts on Human Factors in Computing Systems, 2002

Peek-A-Drawer is a new communication device that uses furniture to support lightweight communicat... more Peek-A-Drawer is a new communication device that uses furniture to support lightweight communication between people. It provides virtual shared drawers that connect family members who are located at a distance. When a user puts something in the upper drawer and closes it, a photograph is taken automatically and the image appears in the lower drawer at a distant place. The operation is as simple as using a drawer, allowing even children to communicate with their grandparents. As the camera only takes pictures of objects inside the drawer, privacy is assured.