Algorithm 1 Pseudo code of the proposed enhanced model.

From: A novel brain MRI classification framework integrating tuned single scale retinex and empirical wavelet entropy features

FUNCTION TSSR_Enhancement(original_image, beta = 1.5):

   // Apply Tuned Single-Scale Retinex (TSSR) for contrast enhancement

   1. Compute gradient of the original image along x and y directions (Gx, Gy)

   2. Calculate normalization factor (N) based on gradient magnitudes

   3. Generate modified Gaussian function (G) with parameter beta

   4. Convolve original image with G to compute illumination-adjusted image

   5. Output enhanced_image = (original_image / N) * G

   RETURN enhanced_image

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