Blooming Space: ColorChanging

彬彬

1. Introduction

In this paper, we propose the concept of a fusion between flower

arrangement and interactive artwork. We create a prototype of a

light wall sculpture whose surface’s color changes according to

the flower’s color detected by a vaseshaped

device. The color

information is translated through wireless communication between

the vase and the sculpture to create an illusion that the arranged

flower itself changes the light condition of the space. We made an

art installation “blooming space” composed of the vase and the

light wall sculpture.

2. Concept

Flower arrangements (Ikebana in Japanese) are popular all over

the world. Flowers put into a vase work as an affective design

element in a space. However, the room structure in which the

flowers are arranged is normally static. Here, we propose a

concept of interactive art that can change visual properties

synthetically according to the nature of the flowers arranged in the

exhibition space. Our objective is to create a dynamic interactive

art expression linked to a real flower arrangement, which is

determined and selected by a person’s intent at a particular

moment.

3. FlowerSensing

Vase and Wall Sculpture

The necessary conditions and functions for the vase are as follows:

・ The color of the flower arranged in the vase is detected

using a color sensor.

・ The color of the vase changes according to the color of the

flower.

・ Wireless communication is possible between the vase and

the wall structure. Such communication realizes the color

change of the wall sculpture.

・ All systems are designed such that people can feel as

though the color effect were spreading from the flower,

making the entire color change aesthetically dependent on

the arranged flower.

To make a light wall sculpture that can change surface color,

fullcolor

LEDs are installed inside tile modules used for the

sculpture. These LEDs are placed inside plastic tile so that they

illuminate the surface of the tile. In addition, microprocessor,

cables for communication with other tiles, and cables for DC

electricity are attached at the back of the plastic tile. We have

created a light wall sculpture with 16 tile modules by placing the

tiles very closely and connecting them with cables. One of these

tiles has a wireless module.

4. Wireless Communication and Color Change

Process

Because of a program set in the microprocessor in the vase, the

color in the vase begins to change after the flower’s color is

detected. Through a wireless module, the information of the hue

value of the flower is transmitted to the wireless module in the

wall sculpture. Then, the color of the wall sculpture begins to

change slowly. The program set in the microprocessor in the vase

and the wall sculpture is designed such that the viewers perceive

the color of the vase and the colors of the wall sculpture to be

linked, depending on the color of the flower selected by a person.

People can enjoy the transformation of space according to their

selection of a flower.

The hue information of the flower is sent to the wall sculpture

after 0.8 s from the beginning of the color change in the vase. This

short interval is designed to ensure that people feel that “the color

was given by the flower to the wall.” If there is no interval, people

feel that both the devices are controlled by a centralized control

technique and that the interface is not “natural.”

5. Installation Experiment of “Blooming Space”

For the installation “blooming space”, we prepared several flowers

and leaves with different colors and placed them on a table. Then,

we let people select one flower or leaf to put the vase. Under the

space illumination (normal florescent lamps, 60W, 4 tubes), people

could see the shape of the vase, the flower’s figure and color, and

the wall sculpture’s shape and color at the same time, and could

enjoy the color transformation in the installation.

Figure 1. Installation of “Blooming Space”

6. Conclusion

A light wall sculpture that changes color according to a flower

arrangement using a new vaseshaped

device was created. We

hope this project to enrich our everyday life, create dynamic art

expression in a fusion of a flower arrangement and interactive art.

Reference

Kanaya, I., Matsuyama, S., AND Hirahara M. 2006. The RGBy

desk. ACM SIGGRAPH 2006 Research Posters, July.

彬彬

奇

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