8.44. Mantiuk 2006

8.44. Mantiuk 2006
	8. ”Värit” valikko

8.44.1. Overview

Kuva 16.198. ”Mantiuk 2006” tone mapping example

Original image

Filter applied with default settings, after changing image precision in GIMP to 32-bit floating point linear light.

This filter can be used to adapt an image, which may have a high dynamic range (HDR), for presentation using a low dynamic range. This operation constrains contrasts across multiple spatial frequencies, producing luminance within the range 0.0-1.0.

This tonemapping approach was originally presented by Rafał Mantiuk, Karol Myszkowski, Hans-Peter Seidel. ”A Perceptual Framework for Contrast Processing of High Dynamic Range Images (revised and extended version)”. In: ACM Transactions on Applied Perception 3, 3 (2006), pp. 286-308.

	Huomaa
	This filter is slow on larger images. For finding the best settings for your image you could make a small relevant selection first and save that as a preset before using that for the whole image.

8.44.2. Activating the Filter

This filter is found in the main menu under Colors → Tone Mapping → Mantiuk 2006.

8.44.3. Options

Kuva 16.199. The ”Mantiuk 2006” filter Dialog

Presets: ”Presets” are a common feature for several Colors commands. You can find its description in Kohta 8.1.1, ”Colors Common Features”.
Contrast: The amount of contrast compression.
Saturation: Global color saturation factor.
Details: Level of emphasis on image gradient details.
Input Type, Clipping, Blending Options, Preview, Merge filter, Split view: These are common features described in Kohta 8.1.1, ”Colors Common Features”.