import { Image } from '../Image.js';
import type { BorderType } from '../utils/interpolateBorder.js';
export interface MedianFilterOptions {
    /**
     * Type of border algorithm to interpolate from.
     * @default `'reflect101'`
     */
    borderType: BorderType;
    /**
     * Value of border.
     */
    borderValue?: number;
    /**
     * The radius of the cell to extract median value from. Must be odd.
     *  @default `1`
     */
    cellSize: number;
}
/**
 * Calculate a new image that replaces all pixel values by the median of neighbouring pixels.
 * @param image - Image to be filtered.
 * @param options - MedianFilterOptions
 * @returns Image after median filter.
 */
export declare function medianFilter(image: Image, options: MedianFilterOptions): Image;
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