Moiré patterns on resize

[rrva]

The resize method in bimg gives moiré patterns when resizing from 1920x1080 to 480x270 with the following original image:

When resizing to 480x270 there are moiré patterns:

When resizing to 481, the moiré pattern is gone:

Code used

originalImageBytes, err := bimg.Read("moire.jpg")

newImageBytes, err := bimg.NewImage(originalImageBytes).Process(bimg.Options{
	Width:         int(requestedWidth),
	StripMetadata: true,
})

[rrva]

Maybe related to shrink-on-load in libjpeg-turbo:

https://github.com/lovell/sharp/issues/883