公开(公告)号：US11810277B2

公开(公告)日：2023-11-07

申请号：US17261356

申请日：2019-07-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chen Dong ,  Xin Ding ,  Yongtao Jiang ,  Zhizhi Guo ,  Wenmei Gao

IPC: G06T5/50 ,  H04N23/611 ,  H04N23/56 ,  H04N23/67 ,  H04N23/74 ,  H04N23/80 ,  G06V10/10 ,  G06V10/141 ,  G06V40/16

CPC classification number: G06T5/50 ,  G06V10/141 ,  G06V10/17 ,  G06V40/165 ,  G06V40/166 ,  G06V40/171 ,  G06V40/172 ,  H04N23/56 ,  H04N23/611 ,  H04N23/67 ,  H04N23/74 ,  H04N23/80

Abstract: An image acquisition method includes acquiring a first image based on a first photographing parameter, where the first image includes a first to-be-detected item, acquiring a second image based on a second photographing parameter, where the second image includes a second to-be-detected item, and determining, based on the first image and the second image, a detection result corresponding to the first to-be-detected item and a detection result corresponding to the second to-be-detected item.

公开(公告)号：US11375908B2

公开(公告)日：2022-07-05

申请号：US16072265

申请日：2016-10-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongtao Jiang ,  Yu Zhu ,  Peida Xu

IPC: A61B5/021 ,  A61B5/00 ,  G16H50/20 ,  G16H40/63 ,  G06F1/12 ,  H03M1/12 ,  A61B5/318 ,  A61B5/0245 ,  A61B5/024

Abstract: Blood pressure detection signal sampling and compensation methods and apparatuses, and an example blood pressure signal collection system are described. One example method described includes controlling an electrocardiogram (ECG) sampling module and a photoplethysmogram (PPG) sampling module to simultaneously sample a standard periodic signal. Sampling frequencies and sampling end times are separately obtained. A sampling start time and a sampling frequency of the ECG sampling module or the PPG module is then compensated so that a sampling frequency deviation is less than a preset frequency threshold and a sampling end time difference is less than a preset time threshold.

公开(公告)号：US20210289128A1

公开(公告)日：2021-09-16

申请号：US17261356

申请日：2019-07-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chen Dong ,  Xin Ding ,  Yongtao Jiang ,  Zhizhi Guo ,  Wenmei Gao

IPC: H04N5/232 ,  H04N5/225 ,  H04N5/235

Abstract: An image acquisition method includes acquiring a first image based on a first photographing parameter, where the first image includes a first to-be-detected item, acquiring a second image based on a second photographing parameter, where the second image includes a second to-be-detected item, and determining, based on the first image and the second image, a detection result corresponding to the first to-be-detected item and a detection result corresponding to the second to-be-detected item.

公开(公告)号：US20210279445A1

公开(公告)日：2021-09-09

申请号：US17260875

申请日：2018-09-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Ding ,  Chen Dong ,  Hongwei Hu ,  Yongtao Jiang ,  Wenmei Gao

IPC: G06K9/00 ,  G06K9/46 ,  G06K9/62

Abstract: A skin detection method includes: dividing a region of interest in a face image into a highlighted region and a non-highlighted region; separately determining a first segmentation threshold of the highlighted region and a second segmentation threshold of the non-highlighted region; obtaining a binary image of the highlighted region based on the first segmentation threshold, and obtaining a binary image of the non-highlighted region based on the second segmentation threshold; fusing the binary image of the highlighted region and the binary image of the non-highlighted region; and identifying, based on a fused image, pores and/or blackheads included in the region of interest.