Function postProcessMask

Apply simple post-processing to smooth mask edges.

Applies a 2px blur filter to the mask to create smoother edges. This helps reduce jagged edges in the final cutout.

Throws

When canvas context creation fails

Example

// Generate raw mask from model
const rawMask = processModelOutput(outputData, originalSize);

// Apply smoothing
const smoothMask = postProcessMask(rawMask);

// Use smoothed mask for better cutout
const cutout = naiveCutout(originalCanvas, smoothMask);
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