(no version information, might be only in CVS)
Imagick::adaptiveResizeImage -- Adaptively resize image with data dependent triangulation| Warning | 
| This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk. | 
Adaptively resize image with data-dependent triangulation. Avoids blurring across sharp color changes. Most useful when used to shrink images slightly to a slightly smaller "web size"; may not look good when a full-sized image is adaptively resized to a thumbnail.
columnsThe number of columns in the scaled image.
rowsThe number of rows in the scaled image.