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Title
Proceedings, XXth congress


PERFORMANCE EVALUATION OF CARD SIZE DIGITAL CAMERA FOR
PHOTOGRAMMETRIC APPLICATIONS
Yuji Ejima’ *, Hirofumi Chikatsu
Tokyo Denki University, Department of Civil and Environmental Engineering,
350-0394 Hatoyama Saitama, Japan
yuji@chikatsu-lab.g.dendai.ac.jp, chikatsu@g.dendai.ac.jp
Commission Youth Forum
KEY WORDS: Photogrammetry, CCD, Performance, Accuracy, Digital Camera
ABSTRACT:
Recently, downsizing of amateur digital cameras which have high resolution CCD sensor are amazingly increasing by modern
semiconductor and digital technology, and there are many downsized amateur digital cameras on the market in Japan. On the other
hand, developing a low-cost photogrammetric system using armature digital camera is one of the important issues for the ISPRS WG
V/4 (Image Analysis and Spatial Information Systems for Applications in Cultural Heritage). Therefore, downsized high resolution
amateur digital camera or high resolution mobile phone with GPS are expected to contribute enormously for development of digital
photogrammetry.
In these circumstances, downsized high resolution armature digital camera which have more than 3 mega pixels and 30mm or less in
thickness was defined as a card size digital camera, and performance evaluations for 7 kinds of card size digital cameras were
investigated by the authors from the view point of digital photogrammetry in this investigation.
1. INTRODUCTION
Semiconductor micro fabrication technology has been
developing rapidly. In the middle of 90's, the circuit in the
semiconductor was manufactured in 0.6um process, 0.09um
process was achieved at the present time. As a result, the
number of pixels of amateur digital cameras have been
amazingly increasing by modern semiconductor and digital
technology, and there are various kinds of high resolution
amateur cameras on the market in Japan. Figure 1 shows
evolution of micro fabrication technology of semiconductor,
and Figure 2 shows evolution of number of pixels in amateur
cameras. In order to evaluate amateur digital cameras from the
view point of digital photogrammetry, performance evaluation
of amateur digital cameras were investigated (Kunii & Chikatsu
2001), and software for low-cost digital photogrammery
*3DiVision" was designed to perform convenient 3D
measurement using amateur digital cameras(Chikatsu & Kunii,
2002). Application of 3DiVision to 3D modelling of historical
object was also investigated from the viewpoint of digital
archives (Nakada & Chikatsu 2003).
On the other hand, amateur digital cameras were miniaturized
and lightened drastically as a current trend. Furthermore,
mobile phones with high resolution CCD sensor with more than
one million pixels were appeared on the market in 2003, and
which enabled us to use a high resolution digital image easily.
In these circumstances, various applications of amateur digital
cameras to digital photogrammetric field and uniting with the
telecommunications field are expected.
With these motive, downsized high resolution armature digital
cameras with more than 3 mega pixels and 30mm or less in
thickness was defined as a card size digital camera, and

performance evaluation for card size digital cameras were
performed in this paper.


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Figure 2 Evolution of number of pixels in amateur cameras