2020-09-13 新竹市頭前溪無人載具航攝影像

此資料集為2020-09-13無人載具航拍,經攝影測量軟體計算產生的正射影像和Google Earth影像圖磚。

Data and Resources

Tags

Wikidata Keywords

  • Q17370635
  • Q8007827
  • Q11083998
  • Q31046
  • Q484000
  • Q865

Basic Information

Data Type
  • Archived data
  • Images
  • Scientific and statistical data formats
Language Chinese (zho)

Spatio-temporal Information

Start Time 2020-09-13
End Time 2020-09-13
Spatial Coverage show more
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Spatial Resolution 0.04

Management Information

Author 經濟部水利署, 新竹市環境保護局, 社團法人台灣生態學會, 康鷹空間資訊有限公司
Created Time 2020-09-18
Process Step

影像拍攝

採用DJI Phantom 4RTK無人載具及D-RTK 2 Mobile Station,連接國土測繪中心即時差分定位服務,進行影像拍攝;採用Normal mission飛航模式,鏡頭俯角90度,航高保持距離起降點地面高度120公尺,影像重疊率前後80%、左右70%。

影像處理

採用Pix4Dmapper建立3D Map完整資料處理專案,投影座標系統為EPSG 3826 (TWD97),並輸入地面控制點X, Y, Z座標;設定輸出3D點雲和中等解析貼附材質模型、正射影像、Google Earth/Maps圖磚、DSM等。

Contact Person Yu-Huang Wang
Contact Person Email yuhuangwang@gmail.com