- Ordinary Passport (Dark Blue) is issued to ordinary citizens for ordinary travel, such as for vacation, study and business trips (36 or 60 pages). It is a "Type P" passport, where P stands for Personal.
- Official Passport (White cover) is issued to individuals representing the Indian government on official business. It is a "Type S" passport, S stands for Service.
- Diplomatic Passport (Maroon cover) is issued to Indian diplomats, top ranking government officials and diplomatic couriers. It is a "Type D" passport with D stands for Diplomatic. .. Courtesy Wikipedia
Accuracy assessment is the process of checking how correct your classified satellite image is . 👉 After supervised classification, the satellite image is divided into classes like: Water Forest Agriculture Built-up land Barren land But classification is done using computer algorithms, so some areas may be wrongly classified . 👉 Accuracy assessment helps to answer this question: ✔ "How much of my classified map is correct compared to real ground conditions?" Goal The main goal is to: Measure reliability of classified maps Identify classification errors Improve classification results Provide scientific validity to research 👉 Without accuracy assessment, a classified map is not considered scientifically reliable . Reference Data (Ground Truth Data) Reference data is real-world information used to check classification accuracy. It can be collected from: ✔ Field survey using GPS ✔ High-resolution satellite images (Google Earth etc.) ✔ Existing maps or survey reports 🧠Exampl...

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