A hand-painted watercolor style drawing method and device

A technique of style drawing and watercolor applied in the computer field to achieve the effect of preserving image details

Active Publication Date: 2019-04-30
深圳美图创新科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of this application is to provide a hand-painted watercolor style drawing method and device to solve or improve the above-mentioned problems

Method used

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  • A hand-painted watercolor style drawing method and device
  • A hand-painted watercolor style drawing method and device
  • A hand-painted watercolor style drawing method and device

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Embodiment Construction

[0054] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0055] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the protection scope of the present application.

[0056] It should be...

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Abstract

The embodiment of the invention provides a hand-painted watercolor style drawing method and device. A Sobel operator is adopted to extract an image edge region of an input original image; a trunk edgeimage of the original image is calculated according to the image edge area and the original image; binarization and expansion operation are carried out on the trunk edge image; edge partitioning is carried out on the main edge image after binarization and expansion operation, so that Kuwahara filtering in different radius ranges is carried out on different edge image areas to simulate the drawingcharacteristics of large-area smearing and local sketching in the watercolor; and finally, drawing a hand-drawn watercolor style drawing image of the original image according to the main edge image and the filtering result image. Therefore, the non-edge area has a watercolor painting effect, and image details can be well reserved in the edge area.

Description

technical field [0001] The present application relates to the field of computer technology, in particular, to a method and device for drawing in a hand-painted watercolor style. Background technique [0002] In daily life, users can use image editing software (such as PhotoShop, etc.) to manually modify images to achieve the effect of hand-painted watercolor paintings, but this method requires users to have a certain art foundation and takes a lot of time. [0003] In the field of computer image processing, various artistic effects including watercolor can be realized at present. Existing watercolor stylization methods based on real images usually use methods such as image edge-preserving filtering or image segmentation to simplify details, and then process the original image through multiple steps such as edge deepening and color dispersion. Although the generated results have the characteristics of large watercolor paintings , but at the same time, the details are too muc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T5/30G06T7/13G06T11/00
CPCG06T5/002G06T5/30G06T7/13G06T11/001
Inventor 孔方圆李骈臻张长定张伟陈星
Owner 深圳美图创新科技有限公司
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