ALOS-2

Product

Notice of Changes to ALOS-2 Processing Parameters

Effective April 1, 2026, a review of the processing parameters was conducted in conjunction with an update to the ALOS-2 data production system. As a result, some processing functions have been modified or discontinued. Please find the details below.

Item Previous Processing Parameter Current Processing Parameter Category
Processing Level L1.1/L1.5/L2.1/L3.1 L1.1/L1.5/L2.1 Modified
Orbit Accuracy Most Accurate and Available/High precision orbit information Most Accurate and Available/High precision orbit information No Change
Resampling CC/NN/BL CC/NN/BL No Change
Image Orientation Geo-coded/Geo-reference L1.5: Select from Geo-coded or Geo-reference
L2.1: Fixed to Geo-coded (parameter hidden)		 Modified
Map Direction L1.5：ー
L2.1：Map		 ー Removed
Map Projection For L1.5 and L2.1: Select from UTM/PS/LCC/MER L1.5: Select from UTM/PS/MER
L2.1: Select from UTM/PS		 Modified
UTM Zone No. Scene Center Zone Number / User-Specified Zone Number Scene Center Zone Number / User-Specified Zone Number No Change
PS (Polar Stereo) PS Default / PS Reference Latitude & PS Reference Longitude PS Default / PS Reference Longitude Modified
Format CEOS/GeoTiff CEOS/GeoTiff No Change
Interference Foreign Noise Removed Always ON (no selection available) ON/OFF
※ON is recommended		 Modified
Pixel Spacing Select from 0.625 m to 100 m ー
(Fixed to the minimum spacing of each mode within 0.625 m to 25 m)		 Modified
Use DEM Default Flag ON ー Removed
Use DEM ー
(Automatically selected from AW3D30 or GISMAP according to the observation area) 		Select from the following:
AW3D30：Global land areas within approximately ±82° latitude
GISMAP Terrain：Japan only
※Default setting: AW3D30		 Modified
Scene Shift Specify within -5 to +4 Specify within -5 to +4 No Change
Processing Algorithm Version Latest Version (always selected) ー Removed


Please note that the available processing parameter options vary depending on the processing level. When placing an order through the PLATFORM or using an order sheet, please be sure to check the parameters available for your selected processing level.
If you have any questions, please contact us.


For details on each processing parameter and its specifications, please also refer to the FAQ page.

ALOS-2