Python Script for Data Organisation:

import os
import shutil

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# Define source folder
source_folder = r"C:\Users\INTEL-MEGA\Desktop\4DGS_Tutorial"

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# Create destination folder on the desktop with "_reorganized" suffix
desktop_path = os.path.join(os.path.expanduser('~'), 'Desktop')
source_folder_name = os.path.basename(source_folder)
destination_folder = os.path.join(desktop_path, f"{source_folder_name}_reorganized")

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# Create destination folder if it doesn't exist
os.makedirs(destination_folder, exist_ok=True)

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# Get all camera folders
camera_folders = [f for f in os.listdir(source_folder) if os.path.isdir(os.path.join(source_folder, f))]

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# Dictionary to track image counts per frame
frame_counters = {}

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# Iterate over each camera folder
for cam_folder in camera_folders:
    cam_path = os.path.join(source_folder, cam_folder)
    
    # List all images in the camera folder
    images = sorted(os.listdir(cam_path))  # Sorting ensures correct frame order
    
    for img in images:
        frame_number = img.split('-')[-1].split('.')[0]  # Extract frame index
        
        # Define the new folder for this frame
        frame_folder = os.path.join(destination_folder, f"frame-{frame_number}")
        os.makedirs(frame_folder, exist_ok=True)
        
        # Ensure a counter exists for this frame
        if frame_number not in frame_counters:
            frame_counters[frame_number] = 1
        
        # Format new filename as img.0001.png, img.0002.png, etc.
        new_filename = f"img.{frame_counters[frame_number]:04d}.png"
        frame_counters[frame_number] += 1
        
        # Copy (or move) the image to the new folder
        src_path = os.path.join(cam_path, img)
        dest_path = os.path.join(frame_folder, new_filename)
        shutil.copy2(src_path, dest_path)  # Use shutil.move() to move instead of copy

print("Reorganization complete!")