OBIA with Geomatica Object Analyst - NAIP 4 band imagery Classification

Learn to use Geomatica Object Analyst, introduced in the market by PCI Geomatics in 2017.
Work with freely available NAIP imagery and address challenging situations such as shadows using child/parent class concepts, and interactive editing techniques.

[@moabbas4808]

GREAT WORK AS USUAL

[@fatihgultekin2956]

Thanks a lot

[@wchew3]

Hi, thank you for your demonstration. I have questions here.
1) Did you joined attribute tables of Seg 25: Child_C and Seg_150: Parent_C to become seg_25_J layer before the step of Rule-based Classification?
2) I assumed you did joined Seg 25: Child_C and Seg_150: Parent_C before Rule-based Classification. I saw you performed reclassify or I rather think it is feature extraction to class polygons from shadow to become open in Re-Class_1 using rule condition based on Seg 25: Child_C and Seg_150: Parent_C. , how did you replaced those polygons classified as shadow in Seg 25: Child_C with the same polygons classified as open in Re-Class_1 (since each of these polygons at the same time is shadow and open in the both layers I mentioned) to produce seg_25_joined as the final classification output?

[@carnivorosselvagens2406]

Dear
Many thanks for the video was helpful.
So, how to save this classified image properly, for later use in the process of change detection analysis.
I applied the same procedure for image classification, but I can not save it in the TIF or PIX image format to perform coverage change analysis. Could you please explain to me how I can save the sorted image, and how I can initiate the change analysis.

[@pcigeomatics]

If you produced two separate land use land cover maps, you can use many GIS based operations to join the two classifications and examine the land cover changes. In focus, we offer some Overlay analysis capability (Focus-->Analysis-->Overlay). If you choose to burn the land use land cover classes to a RASTER file, you can perform change detection directly on the pixels (Focus--> Analysis-->Change Detection). If you have any other questions don't hesitate to get in touch ([e-mail])

[@BikramSingh-qb9uh]

thanks sir, i want know that can we OBIAin Arcgis also sir.......In supervised classification in ARCGIS, creation of signature file become failed , why this is sir please ...

[@callieeraee]

How did you create the Seg_25_J layer just previous to the Rule-Based Classification? I can't for the life of me figure out how to create a layer with both Parent_C and Child_C as available attributes.

[@pcigeomatics]

Hi Callie - the two vector files were joined together using a table join. This can be done in Geomatica or other SW like ArcGIS, or QGIS.