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448 results about "Face skins" patented technology

Rapid detection method of face in color image under complex background

InactiveCN101630363ADetection speedReduce skin tone segmentation timeCharacter and pattern recognitionColor imageFace detection
The invention relates to the technical field of face recognition, in particular to a rapid detection method of a face in a high-resolution color image under a complex background. The invention comprises the following steps: building a face skin color mixed model which is composed of two color space restrictions of RGB and YCbCr according to a large amount of acquired skin color sample data to determine the skin color pixel; rapidly skipping non-face regions by adopting a whole skin color pixel ratio to improve the location efficiency of a face candidate region; then using the improved face rapid detection algorithm which is based on forward characteristic selection to realize face preliminary judging of the face candidate region; and finally utilizing a false alarm restraining method which is based on space restriction and geometric restriction to further lower false detection rate and complete face detection. The invention can realize rapid location of a plurality of frontal faces in images at a high detection rate under the condition of low false alarm rate; the good performances of the invention are proved by the results of the test set of Bao open database and a plurality of video frequencies and high resolution color images.
Owner:NO 709 RES INST OF CHINA SHIPBUILDING IND CORP

Skin type detection and individuation evaluation system and method based on cloud platform

The invention discloses a skin type detection and individuation evaluation system and method based on a cloud platform. The detection and individuation evaluation system and method based on the cloud platform are characterized in that a face skin image of a user is directly collected and effective data is extracted from the image and sent to a skin type detection cloud platform through a skin type detection terminal or a user APP; the individuation evaluation system conducts processing on the effective data in the skin type detection cloud platform through the adoption of a series of skin index analysis and process algorithms, and feeds a processing result back to the skin type detection cloud platform after an evaluation result is obtained; the skin type detection cloud platform synchronously sends the processing result to the skin type detection terminal or the user side APP; the user examines the test evaluation result by controlling a client end or the user APP. According to the skin type detection and individuation evaluation system and method based on the cloud platform, a face skin detection instrument and a machine learning technology are combined, a big data analyzing and processing technology and a machine learning method are adopted, an instrument detection result and an evaluation index are continuously optimized, a more accurate detection and nursing method are provided for the user, and a richer and more scientific specimen is provided for the study of face skin health.
Owner:武汉嫦娥医学抗衰机器人股份有限公司

Image processing method and device

The invention relates to the information processing technology, in particular to an image processing method and device. The method includes the first step of converting an image to a gray image, obtaining the sum of variance of pixel points in a region formed by first preset values and second preset values according to the gray value of the gray image, wherein the pixel points of a human face skin region in the gray image extend in the positive direction and negative direction of x-axes of the pixel points to obtain the first preset values, and the pixel points of the human face skin region in the gray image extend in the positive direction and negative direction of y-axes of the pixel points to obtain the second preset values, the second step of obtaining a dermabrasion weight value according to the sum of variance in the human face skin region, the third step of regulating the gray value of the gray image according to the dermabrasion weight value, and the fourth step of finally converting the gray image to a color image according to the regulated gray value to achieve processing of the image. Through the method, the image is converted to the gray image, and the gray value of the image is regulated and the image is processed according to the sum of variance of the pixel points in the human face skin region, so that processing speed and the quality of the processed image are both enhanced.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Spontaneous heating thermal insulation three-dimensional mask

The invention discloses a spontaneous heating thermal insulation three-dimensional mask which comprises at least three layers of structures, namely an outer layer consisting of a breathable material, a heating layer and a thermal insulation layer, wherein the heating layer is loaded with a heating composition heating by being contacted with air, at least the upper cover contacted with the outer layer, of the heating layer is made of a breathable material, and the thermal insulation layer consists of a material with waterproof and thermal insulation performances. The spontaneous heating thermal insulation three-dimensional mask is simple in structure, is not limited by environmental resources and realizes safe, stable and uniform heating, outside energy is not needed to provide energy, the heating time can be effectively prolonged, and the heating peak temperature is reduced. When the spontaneous heating thermal insulation three-dimensional mask is applied to face skin, blood circulation can be improved, so that skin pores are enlarged, and sweat and dirty oil are discharged. When the traditional nourishing mask and a skin care product are used together, active ingredients of the traditional mask and the skin care product can be absorbed by the skin, the amount of the skin care product is reduced, a skin care effect can be improved, and the mask is safe and sanitary to use and low in cost.
Owner:HANDY TECH ZHUHAI LTD
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