FACEBOOK, INC. (Menlo Park, CA)
As computer processing and digital imaging capabilities advance, Augmented Reality (AR) is becoming more prevalent. Smartphones and other handheld devices have AR capabilities, which permit users to capture, view and render real-world images in real-time. AR-enabled smartphones and other handheld devices permit users to see or record scenes that include the appearance of characters, objects, or objects. Digitally added to the scene.
AR environments add layers to digital images and videos. It is essential that the layers are compatible with the video and images to create realistic AR scene. The lighting, texture, and other visual characteristics ofAR layers play a large part in making the finer details of AR layers blend into the actual-world images and videos. Particularly, if the visual characteristics of the AR layers don’t blend into the background of the real world and the AR scene may appear fake or unnatural in some way.
Some AR applications require specific visual properties to work. AR components. For instance when you use AR devices to test makeup, precise mixing of AR layers with real-world photos or videos is crucial to the functionality of ARlayers. Particularly, various lights, skin tones and makeup ingredients can create wildly different appearance in real-world settings. The hue of a particular makeup product may be very inaccurate without accurate blend. The user may not be able to see exactly how the makeup would appear in actual environments.
Conventional AR systems that utilize makeup or other facial accessories in AR environments typically apply a color to a makeup layer in an AR environment in the HSV/LAB color space. However, even with AR lighting effects, however, the traditional AR systems typically produce an inaccurate appearance of AR makeup/materials relative to the real-world environment due to varied lighting conditions, user skin tones, and/or makeup/materials. There are a variety of disadvantages with traditional AR systems.
A variety of embodiments provide advantages or resolve problems in the art. These systems, methods and non-transitory storage media for computer-readable data generate an augmented reality makeup which has realistic lighting and color. The disclosed systems can take luminance frequencies of digital video and mix the makeup selection with the extracted luminance frequency. The disclosed systems transform the blended color into the LAB space and then adjust the lightness of the blended color by applying one or more of several shading models to it based on the makeup selected (e.g. glitter, gloss matte metallic). When the makeup choice material is applied to the blended color to alter the lightness it is then converted by the disclosed systems it back into the RGB space that can be used in the digital video stream.
In one or more of the embodiments the disclosed system employs localized tone mapping (e.g. average luma andluma range) to the digital video stream. The disclosed systems can reduce the size of the video stream and calculate the luma values (e.g. the average luma value or luma range) for each section of the digital stream. The disclosed systems can then alter the luma values of the various sections based on a predetermined threshold for luma, by remapping the hue of each pixel in an s-curve generated fromthe calculated luma values. The disclosed systems use downsampled digital stream processing and processes that smooth the appearance of the user’s faces with a guided filter which leverages images based on aluma. These disclosedsystems are able to precisely and quickly duplicate the colors of makeup based on the tone of the skin and lighting conditions, all the while simultaneously efficiently using computing resources.
Additional advantages and features of one or more embodiments of the disclosed disclosure will be described in the description which follows, and in part will be apparent from the description, or may be learned through the application of the example embodiments.Click here to view the patent on USPTO website.
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