@thi.ng/tensors/kernels.d.ts

0D/1D/2D/3D/4D tensors with extensible polymorphic operations and customizable storage

import type { KernelSpec } from "./api.js";
/**
 * 1D Sobel convolution kernel.
 */
export declare const SOBEL1: import("./tensor.js").Tensor1<number>;
/**
 * 2D Sobel convolution kernel (along outer axis).
 *
 * @remarks
 * Use `SOBEL2.transpose([1, 0])` for inner axis.
 */
export declare const SOBEL2: import("./tensor.js").Tensor2<number>;
/**
 * 3D Sobel convolution kernel (along outer axis).
 *
 * @remarks
 * Use `SOBEL3.transpose()` for other axes.
 */
export declare const SOBEL3: import("./tensor.js").Tensor3<number>;
/**
 * 2D edge detection convolution kernel factory for given integer radius `r`.
 * Returns 2D tensor of size `2*r+1`.
 *
 * @param r
 */
export declare const EDGE2: (r: number) => import("./tensor.js").Tensor2<number>;
/**
 * 2D sharpen 3x3 kernel preset.
 */
export declare const SHARPEN2_3x3: import("./tensor.js").Tensor2<number>;
/**
 * 2D box blur convolution kernel factory for given integer radius `r`. Returns
 * 2D tensor of size `2*r+1`.
 *
 * @param r
 */
export declare const BOX_BLUR2: (r: number) => import("./tensor.js").Tensor2<number>;
/**
 * 2D Gaussian blur kernel factory for given integer radius `r`. Returns 2D
 * tensor of size `2r+1`.
 *
 * @param r -
 */
export declare const GAUSSIAN_BLUR2: (r: number) => import("./tensor.js").Tensor2<number>;
/**
 * Max. pool kernel factory for given window size and use with
 * {@link applyKernel}. The kernel produces the maximum value in its window.
 *
 * @param w
 * @param h
 */
export declare const MAX2_POOL: (w: number, h?: number) => KernelSpec<number>;
/**
 * Min. pool kernel factory for given window size and use with
 * {@link applyKernel}. The kernel produces the minimum value in its window.
 *
 * @param w
 * @param h
 */
export declare const MIN2_POOL: (w: number, h?: number) => KernelSpec<number>;
/**
 * Kernel factory for given integer radius `r` and use with {@link applyKernel}.
 * The kernel marks local maxima within its window and produces only 0 or 1
 * result values (where 1 is used to mark the maxima).
 *
 * @param r
 */
export declare const MAXIMA2: (r: number) => KernelSpec<[number, number]>;
/**
 * Kernel factory for given integer radius `r` and use with {@link applyKernel}.
 * The kernel marks local minima within its window and produces only 0 or 1
 * result values (where 1 is used to mark the minima).
 *
 * @param r
 */
export declare const MINIMA2: (r: number) => KernelSpec<[number, number]>;
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