TzeHuey TAM

11 Questions 19 Answers 0 Followers

Questions related from TzeHuey TAM

How do I solve an error when reproduce deep learning python script?

Hi everyone, I am learning deep learning for satellite image classification using this tutorial...

04 January 2023 8,289 11 View

Where can I get GBSAR training material?

Hi everyone, Recently, I start working on GBSAR project, therefore, I am looking for GBSAR training material in order to more understand about it. Please suggest me where can I get those...

07 September 2022 480 0 View

R-square of model (random forest) is low but high in validation result?

Hi, Recently, I used random forest to built a model. the model's r-squared is low but r-squared is high in validation step. why? my sampling has total 105 features.

30 June 2021 1,204 5 View

How to optimize hydrological model?

Hi, I have produced calibration (1984-1988 )and validation (1989-1993) results, but their results are inverted. I used the parameters that was derived from the calibration model and applied to...

29 May 2021 5,643 19 View

Support Vector Machine (linear kernel) and Random Forest has comparable accuracy, any reason?

Hi, I'm working on image classification using very-high-resolution image. As titled, the classification accuracy of SVM linear kernel is similar to RF. The classification used four image...

17 August 2020 2,028 11 View

How to use Shuffled Complex Evolution Algorithm in finding optimized parameter?

Hi everyone, Can anyone guide me how to use SCE-UA to get the optimized value of parameters, especially parameters from rainfall runoff model. I found one SCE-UA script written in matlab...

01 December 2018 2,032 2 View

Does anyone has experience use nDSM data to perform RF using eCognition ?

Hi all, I am facing problem when trying to train my dataset (satellite image and nDSM) using eCognition, especially RF couldn't train my nDSM. It said "The feature Mean nDSM could not be...

27 May 2018 7,797 5 View

How to run the script of Concatenate the Time Dimension of netCDF Files with NCO?

Hi everyone, Does anyone know how to execute the following script using NCO. Please refer the attached link for the script. Thanks.

22 January 2017 861 3 View

Is it possible to detect flooded area using non-peak flood SAR image

Dear all, I have few SAR imagery which are non-peak flood time imagery. Mostly are 2 or 3 days from the peak time. So, how do I solve this problem. Thanks.

18 February 2016 371 3 View

Problem in SOBEK flood simulation?

Hi, Did any one of you are using Delft SOBEK (v2.13) for running flood simulation with higher DEM resolution, i.e. 1 m or 5 m. My SOBEK is cracked when I wanna to run 10 m flood simulation. Can...

29 January 2016 1,032 0 View

How can I download bulk data of hourly TRMM data for 10 years?

Is there any open source software allowing me to download TRMM data?

12 February 2015 5,815 3 View