Facial nerve paralysis detection system in desensitization state based on thermal imaging and depth map

A facial nerve palsy and detection system technology, applied in the field of computer vision, can solve the problems of large errors in detection results and inability to achieve data desensitization, and achieve the effects of improving accuracy, realizing data desensitization, and strong practicability

Active Publication Date: 2021-02-23
ZHENGZHOU UNIVERSITY OF AERONAUTICS
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Problems solved by technology

[0004] The present invention provides a facial nerve paralysis detection system under desensitization state based on thermal imaging and depth map, and solves the technical proble...

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  • Facial nerve paralysis detection system in desensitization state based on thermal imaging and depth map
  • Facial nerve paralysis detection system in desensitization state based on thermal imaging and depth map
  • Facial nerve paralysis detection system in desensitization state based on thermal imaging and depth map

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[0040] The embodiment of the present invention will be explained in detail below in conjunction with the accompanying drawings. The examples given are only for the purpose of illustration, and cannot be interpreted as limiting the present invention. The accompanying drawings are only for reference and description, and do not constitute the scope of patent protection of the present invention. limitations, since many changes may be made in the invention without departing from the spirit and scope of the invention.

[0041] Aiming at the problem that the division of the facial symmetry axis by the existing facial anomaly detection system will cause large detection results errors and cannot achieve data desensitization, the embodiment of the present invention provides a desensitization state based on thermal imaging and depth map. Nerve paralysis detection system, such as figure 1 As shown, it includes face acquisition module 1, face correction module 2, symmetry axis division mod...

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Abstract

The invention relates to the technical field of computer vision, in particular to a facial nerve paralysis detection system in a desensitization state based on thermal imaging and a depth map. The system comprises a facial acquisition module, a facial correction module, a symmetry axis division module and a facial anomaly detection module which are connected in sequence, the problems that the detection result error is large and data desensitization cannot be realized due to division of a facial symmetry axis by an existing facial anomaly detection system are solved. According to the invention,data desensitization is realized by collecting the thermodynamic image and the depth image of the patient, and meanwhile, in a data desensitization state, sensitive information of the face of the user is further protected by utilizing the sparse depth value of the tile, so that the user experience is improved; besides, through face correction and symmetry axis division of each row of tiles, errors caused by face deflection and face symmetry axis division are greatly reduced, and the accuracy and reliability of a detection result are improved.

Description

technical field [0001] The invention relates to the technical field of computer vision, in particular to a facial nerve paralysis detection system in a desensitized state based on thermal imaging and a depth map. Background technique [0002] At present, disease detection systems based on mobile terminals generally need to collect RGB images, and RGB images contain sensitive information such as the patient's environment and facial details; however, some patients do not want the detection system to collect information such as the current indoor environment and facial details, such as: Facial stubble. [0003] In addition, facial anomaly detection based on depth maps usually uses the longitudinal central axis of the image or the line connecting specific feature points as the facial symmetry axis. However, this facial symmetry axis is not ideally collinear, and patients with facial paralysis sometimes have their mouths shifted as a whole. Therefore, Using the longitudinal cent...

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Application Information

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IPC IPC(8): G06T7/00G06T7/11G06K9/00G16H30/20
CPCG06T7/0012G06T7/11G16H30/20G06T2207/10028G06T2207/20081G06T2207/20084G06T2207/20132G06T2207/30004G06T2207/30201G06V40/161Y02A50/30
Inventor 陈灿刘森源徐勐杨津瑾刘霞
Owner ZHENGZHOU UNIVERSITY OF AERONAUTICS
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