This research paper proposes a system for interior
design prototyping based on portable-type projection-based AR
(Augmented Reality). The DIY (do it yourself) interior designing
process takes much time, monetary resources and labor. To
overcome such difficulties, many research studies in the have
been undertaken in the field of AR. Among those studies,
projection-based AR technology provides users virtual
information that is very real by projecting new digital
information onto things and spaces. Most of those studies
employing projection-based AR technology have been carried out
in predefined spaces. In this paper, a projection-based AR system
that can be used to design interiors of non-predefined spaces was
proposed. This DesignAR system can effectively design interiors,
even in the spaces not predefined by a 3D map of the space. Also,
by connecting with mobile devices, the system raises the user’s
degree of freedom due to the interface usability, mobility and
overall convenience. In order to evaluate the effectiveness of the
proposed system, we set up a scenario for interior design
prototyping. A usability evaluation was conducted by
questionnaire after users performed tasks based on a preset
scenario.
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People who like to design home interiors on their own (Do
It Yourself-ers (DIYers) attain joy and happiness through those
activities in their living spaces and their lives, in their own
ways [1]. DIYers attain a feeling of personal accomplishment
through applying the colors and patterns they favor in
decorating their rooms. However, in the actual construction of
interior design, not all of the users' needs are reflected, and the
DIY process requires significant time, resources, and costs. IT
studies that could resolve such problems and satisfy users’
needs are being carried out. The initial IT studies of virtual
interiors mostly dealt with PC-based web services and markerbased augmented reality (AR) for positioning furniture in
interiors [2]-[4]. Such studies are easy to implement and
execute in pre-determined work environments; however, these
studies also suffered from various issues, such as non-mobility
and low immersion, and they were focused mainly on furniture
arrangements. Also, in those initial studies, the implementation
of the interior system was their main focus, and therefore they
were less focused on the user interfaces. As technology has
advanced, however, interest in interior design systems with
better usability and convenience has also increased. There have
been many studies regarding mobile ARs on mobile devices to
provide heightened realism, better user interaction, and better
mobility, rather than just focusing on furniture arrangements
[5], [6]. One of the biggest advantages of mobile AR is that
users could easily use it to design interiors with its userfriendly interface. Due to the limited mobile display size in the
case of mobile AR, however, the area information that it could
provide is limited, and because the mobile device has to be
hand-held, it is inconvenient to use. Also, because an
independent mobile device cannot attain information regarding
the depth of space, the mapping of virtual information can only
be achieved by depending solely on 2D space information.
Since then, studies have moved away from hand-held styles,
such as mobile devices, and instead are being carried out using
AR devices that employ wearable Head-Mounted Displays
(HMDs) [7], [8]. AR technology for design using HMDs
provides heightened realism and can utilize various interactions,
such as gestures, speech recognition, and controllers. In real
life, however, AR with HMDs is still not widely used, and
there are issues to be resolved for collaborative works because
such a system provides information only to users who wear a
HMD. To overcome the low degree of realism, collaboration
issues, and limited information provided in AR technology
related to the design described above, many studies on
projection-based AR are currently ongoing [9]-[16].
In this paper, a user-oriented, portable, pan-tilt projectionbased AR system is proposed for interior design (DesignAR).
The proposed DesignAR system adds a touch of realism by
using projection-based AR technology and is designed
especially for the purpose of designing interiors, which can be
used in a spacious area. A user interface for efficient prototype
interior design is also designed in this research paper.
The organization of the rest of the paper is as follows.
Section II describes the previous work related to the proposed
system. Section III presents the proposed system configuration.
Section IV explains the proposed system’s application and
interface for interior design. Section V describes a usability
evaluation scenario and evaluation result. Finally, Section VI
explains the conclusions and proposes future work.
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