Texture detection method, texture image compensation method and device, and electronic device
AssigneesChengdu Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsNa Zhang, Bin Zhang, Jing Wang
Life of this patent
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Abstract
A texture image compensation method, a texture detection method and a device, and an electronic device are provided. The texture detection method includes: performing an image difference calculation on a first texture image acquired by a texture detection device and a foreign object correction image acquired by the texture detection device to compensate foreign object information in the first texture image, and to acquire a second texture image; performing and the texture detection by using the second texture image.
Claims14
A texture image compensation method, comprising:
- performing an image difference calculation on a first texture image acquired by a fingerprint detection device and a foreign object correction image acquired by the fingerprint detection device to compensate foreign object information in the first texture image, and to acquire a second texture image;
- wherein performing the image difference calculation on the first texture image and the foreign object correction image, comprises:
- performing a binarization processing on the first texture image after performing a grayscale processing on the first texture image, wherein the foreign object correction image has been subjected to the grayscale processing and the binarization processing;
- performing the image difference calculation on the first texture image and the foreign object correction image that both have been subjected to the grayscale processing and the binarization processing;
- and
- wherein the foreign object correction image is a reference image for the fingerprint detection region obtained in advance before the fingerprint detection device performs fingerprint detection.
A texture detection device, comprising:
- a texture sensor, configured to collect a texture image;
- and
- an acquisition module, configured to perform an image difference calculation on a first texture image acquired by the texture sensor and a foreign object correction image acquired by the texture sensor to compensate foreign object information in the first texture image, and to acquire a second texture image;
- wherein the first texture image has been subjected to a grayscale processing and a binarization processing, and the foreign object correction image has been subjected to the grayscale processing and the binarization processing;
- and
- wherein the foreign object correction image is a reference image for the fingerprint detection region obtained in advance before the fingerprint detection device performs fingerprint detection.
Dependencies are inferred from the claim text.