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Mathematica > Data Manipulation > Image Processing & Analysis > Basic Image Manipulation >

ImageResize

ImageResize[image, w]
gives a resized version of image that is w pixels wide.

ImageResize[image, {s}]
gives a resized version of image with a maximum pixel width or height given by s.

ImageResize[image, {w, h}]
gives a resized version of image that has exactly the specified pixel width and height.

ImageResize[image, {{w_max}, {h_max}}]
gives a resized version of image that has the specified maximum width and height.

ImageResize[image, w] and ImageResize[image, {s}] preserve the original aspect ratio of image.

	Automatic	visible size
	Tiny,Small,Medium,Large	predefined absolute sizes
	d	d pixels
	Scaled[s]	a multiple s of the original size

Resize an image to be 100 pixels wide:

Resize by a factor of 1/2:

Resize an image to be 100 pixels wide:

Resize by a factor of 1/2: