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OpenCV imread() Image Loading Guide

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Basic Usage: imread() loads images from files using cv2.imread() function
Function requires cv2 module installation and full file path
Returns numpy.ndarray, 3D for color images, 2D for grayscale
Supported Formats: Supports various formats including PNG, JPEG, WebP, TIFF
Image type determined by returned numpy.ndarray content
JPEG format depends on OpenCV library version
Image Loading Modes: cv2.IMREAD_COLOR loads color images with 3 channels
cv2.IMREAD_GRAYSCALE loads grayscale images with 1 channel
cv2.IMREAD_UNCHANGED loads original images with transparency
Default flag value is cv2.IMREAD_COLOR (1)
Implementation Details: Full file path required if not in working directory
Flag values can be 1, 0, or -1
Image shape returned as tuple of rows, columns, channels