| Item type |
会議発表論文 / Conference Paper(1) |
| 公開日 |
2018-02-06 |
| タイトル |
|
|
タイトル |
Accuracy of Map Digitizing by Using Digital Camera |
| 言語 |
|
|
言語 |
eng |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
map digitizing |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
digital camera |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
two-dimensional projective transformation |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_5794 |
|
資源タイプ |
conference paper |
| 著者 |
Yamamoto, Takashi
Jeong, Jong-Hyeok
Takagi, Masataka
Takagi, Masataka
|
| 抄録 |
|
|
内容記述タイプ |
Abstract |
|
内容記述 |
In the past, a large accurate image scanner was used for map digitizing. The image scanner is so expensive that it is difficult to use in general. Nowadays, digital camera with 10 mega pixels can be used in many fields. In the future, such digital camera will be able to replace the image scanner. Therefore, it is important to consider an accuracy of map digitizing by using digital camera. In this study, paper map was prepared for the experiment. In the paper map, four control points and two validation points were allocated. The paper map with transparent plastic board was taken by the digital camera. Coordinates of the control points were extracted 20 times by visual interpretation. And coordinates transformation was established by two-dimensional projection transformation. Then coordinates of validation points can be calculated by the transformation. And this calculated coordinates of validation points were compared with true points. As a result, coordinate of validation points had approximately 1mm error. If distortion by the transparent plastic board is eliminated, the accuracy will be improved. |
| 書誌情報 |
Society for Social Management Systems Internet Journal
巻 3,
号 1,
発行日 2007-03
|
| ISSN |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
2432-552X |
| 著者版フラグ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| 出版者 |
|
|
出版者 |
Society for Social Management Systems |
SMS07-109.pdf (130.2 kB)
