Class FastImageOps

java.lang.Object

org.episteme.core.media.vision.ops.FastImageOps

public class FastImageOps
extends Object

High-performance Image Operations.

Uses Parallel Streams to accelerate pixel-wise operations, mimicking GPU SIMD behavior where actual GPU context is unavailable or overhead is too high.

Since:

2.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Constructor Summary

Constructors

Constructor	Description
FastImageOps()

Method Summary

Modifier and Type	Method	Description
static int[]	resizeNearest(int[] pixels, int w1, int h1, int w2, int h2)	Resizes an image using Nearest Neighbor interpolation in parallel.
static byte[]	rgbToGrayscale(int[] rgbPixels, int width, int height)	Converts an RGB image array to Grayscale in parallel.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FastImageOps

public FastImageOps()

Method Details

rgbToGrayscale

public static byte[] rgbToGrayscale(int[] rgbPixels,
 int width,
 int height)

Converts an RGB image array to Grayscale in parallel.

Parameters:

rgbPixels - input pixels (int array ARGB).

width - image width.

height - image height.

Returns:

grayscale byte array.

resizeNearest

public static int[] resizeNearest(int[] pixels,
 int w1,
 int h1,
 int w2,
 int h2)

Resizes an image using Nearest Neighbor interpolation in parallel.

Parameters:

pixels - source pixels.

w1 - source width.

h1 - source height.

w2 - target width.

h2 - target height.

Returns:

resized pixels.