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Update DataGuide_AAPF_HSI.md
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oh231 authored Jun 27, 2024
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This document details the file system organization and navigation procedures for accessing both unprocessed hyperspectral imaging (HSI) data and the derived phenotypic measurements of the plants captured by the [Ag Alumni Seed Phenotyping Facility (AAPF)](https://ag.purdue.edu/aapf/).

- Raw Scanned Data: This folder structure houses individual scans (.hdr, .md5, .raw, .tiff) for each measurement.
- Interim Data Product: This data contains data used for quality control procedures and images representing various vegetation indices.
- Masterfile (.xlsx): This file contains a compilation of spreadsheets and a guide document explaining the data contents.
- `Raw Scanned Data`: This folder structure houses individual scans (.hdr, .md5, .raw, .tiff) for each measurement.
- `Interim Data Product`: This data contains data used for quality control procedures and images representing various vegetation indices.
- `Masterfile (.xlsx)`: This file contains a compilation of spreadsheets and a guide document explaining the data contents.


### File system structure
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Directories are named using a convention that incorporates both experiment number and treatment.

- Example: 407_WL, 407_WW, 401_20-1, 401_20-2, 401_80.
- Example: 407_WL, 407_WW, 401_20-1, 401_20-2, 401_80.

#### Interim Data Product

The interim data product consists of three primary components:
- Masterfile (`Hyperspectral_data_AAPF_experiment_{Experiment_No}.xlsx`): This file stores the derived phenotypic measurements of the plants and a guide document.
- HSI Data Processing Quality Control Data (`quality_control`): This directory contains information for quality assessment of the HSI data processing pipeline. It includes summaries of header information for plants, white and dark reference, a detailed record of the processing procedures employed, and animated gif files used to check coregistration quality between visible and near infrared (VNIR) and shortwave infrared (SWIR) data.
- Compressed Vegetation Index Images (`{Vegetation_Index_Type}_{ROI filter}.zip`: This section houses compressed image files for various types of vegetation indices calculated from the HSI data (ROI: region of interest).
- Masterfile (`Hyperspectral_data_AAPF_experiment_{Experiment_No}.xlsx`): This file stores the derived phenotypic measurements of the plants and a guide document.
- HSI Data Processing Quality Control Data (`quality_control`): This directory contains information for quality assessment of the HSI data processing pipeline. It includes summaries of header information for plants, white and dark reference, a detailed record of the processing procedures employed, and animated gif files used to check coregistration quality between visible and near infrared (VNIR) and shortwave infrared (SWIR) data.
- Compressed Vegetation Index Images (`{Vegetation_Index_Type}_{ROI filter}.zip`: This section houses compressed image files for various types of vegetation indices calculated from the HSI data (ROI: region of interest).



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