import { ContourCoordinates } from "../../components";
import { ImagePtr, OpenCV } from "../../types";
/**
 * perspective cropping utility (AKA keystone correction)
 * @param cv openCv
 * @param src The source image pointer
 * @param cropPoints
 * @param imageResizeRatio
 */
export declare const warpPerspective: (cv: OpenCV, src: ImagePtr, cropPoints: ContourCoordinates, imageResizeRatio: number) => void;
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