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Local color range selection

A color range, range technology, applied in the direction of texture/color, image enhancement, image analysis, etc.

Pending Publication Date: 2019-04-23
ADOBE SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A user may want to lighten red leaves, but darken other reds in the picture

Method used

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Examples

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Embodiment Construction

[0015] The traditional method of editing pictures using digital picture editing tools described above results in a complex multi-step workflow that is time consuming and has limited accuracy. For example, it may be difficult to define an accurate mask in the aforementioned tree with clusters of red leaves because the spatial boundaries are very irregular. In many cases, irregular boundaries consist of straight elements, each of which is smaller than a pixel. Along these lines, a user who wants to make local adjustments to red foliage needs to define regions that do not cover all reddish pixels or that do not cover all non-reddish pixels. Therefore, local adjustments may not occur in areas intended by the user, or may occur in areas not intended by the user.

[0016] Furthermore, such spatial masks result in destructive edits to the picture, ie edits that cannot be easily undone, due to the complexity of the workflow involved in defining the spatial mask. On the contrary, whe...

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Abstract

The embodiment of the disclosure relates to local color range selection. Techniques of editing images using a digital image editing tool involve defining a local adjustment that includes, as separatemasks, a spatial mask and a range mask. The spatial mask specifies a region of the image to be adjusted and the range mask specifies ranges of colors and tones to be adjusted independent of the regionspecified by the spatial mask. In applying these masks, when a user changes a setting in the digital image editing tool, the digital image editing tool weights the effect of the setting according tothe values of the spatial mask and the range mask for each pixel of the image.

Description

technical field [0001] This manual refers to digital image editing tools. Background technique [0002] Some photographers use digital image editing tools that run on computers to edit pictures. Along these lines, some of the edits that can be made to pictures using such digital picture editing tools include adjustments such as exposure, contrast, and color levels. Such adjustments may be applied using local adjustment tools, such as brushes, linear gradients, and / or radial gradients. [0003] For example, assume that a user wants to edit a picture of a blue sky in the background, a tree with clusters of red leaves and a red building on the ground. A user might want to lighten red leaves, but darken other reds in the picture. In traditional methods of editing images using digital picture editing tools, users define masks that define areas to which certain color and tonal adjustments can be applied. In the example above, such a mask would weight the red saturation in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T5/94H04N1/6072H04N1/6005G06T11/001G06T7/10G06F3/04845G06T5/00G06T11/60H04N1/62G06T5/70G06T5/20G06T5/40G06T2207/10024G06T2207/10028H04N1/6008
Inventor J·M·布瑞E·陈
Owner ADOBE SYST INC
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