/**
 * SSIM computation options
 */
interface SsimOptions {
    /**
     * Window size for SSIM computation (default: 11)
     */
    windowSize?: number;
    /**
     * First stability constant (default: 0.01)
     * Used in luminance comparison: c1 = (k1 * L)^2
     */
    k1?: number;
    /**
     * Second stability constant (default: 0.03)
     * Used in contrast/structure comparison: c2 = (k2 * L)^2
     */
    k2?: number;
    /**
     * Bit depth of images (default: 8 for 0-255 range)
     * L = 2^bitDepth - 1
     */
    bitDepth?: number;
}

export type { SsimOptions as S };