import { Filter, IShaderInfo } from '../core/Filter';
import { Image } from '../core/Image';
import { Keypoint } from '../core/Keypoint';
export declare class FAST extends Filter {
    protected shaders: IShaderInfo[];
    private _T;
    private _S;
    private _mask;
    private _nms;
    private _subpixel;
    constructor();
    T: number;
    S: number;
    mask: number;
    nms: boolean;
    subpixel: boolean;
    getScores(input: Image): Image;
    getFeatures(scores: Image): Keypoint[];
}