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This commit is contained in:
Manav Rathi 2024-05-18 10:59:11 +05:30
parent e13f59606f
commit 772215eddc
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2 changed files with 10 additions and 10 deletions
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2
web/apps/photos/src/services/face/f-index.ts
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@ -529,6 +529,8 @@ const detectBlur = (alignedFaces: Float32Array, faces: Face[]): number[] => {
const faceImage = createGrayscaleIntMatrixFromNormalized2List(
alignedFaces,
i,
mobileFaceNetFaceSize,
mobileFaceNetFaceSize,
);
const laplacian = applyLaplacian(faceImage, direction);
blurValues.push(matrixVariance(laplacian));

18
web/apps/photos/src/services/face/image.ts
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@ -52,14 +52,6 @@ export async function getLocalFileImageBitmap(
return createImageBitmap(fileBlob);
}
export function normalizePixelBetweenMinus1And1(pixelValue: number) {
return pixelValue / 127.5 - 1.0;
}
export function unnormalizePixelFromBetweenMinus1And1(pixelValue: number) {
return clamp(Math.round((pixelValue + 1.0) * 127.5), 0, 255);
}
/**
* Returns the pixel value (RGB) at the given coordinates ({@link fx},
* {@link fy}) using bicubic interpolation.
@ -323,11 +315,17 @@ export function warpAffineFloat32List(
}
}
const normalizePixelBetweenMinus1And1 = (pixelValue: number) =>
pixelValue / 127.5 - 1.0;
const unnormalizePixelFromBetweenMinus1And1 = (pixelValue: number) =>
clamp(Math.round((pixelValue + 1.0) * 127.5), 0, 255);
export function createGrayscaleIntMatrixFromNormalized2List(
imageList: Float32Array,
faceNumber: number,
width: number = 112,
height: number = 112,
width: number,
height: number,
): number[][] {
const startIndex = faceNumber * width * height * 3;
return Array.from({ length: height }, (_, y) =>