The invention relates to an anti-misoperation method for a controller. The method includes the following steps that when a human body induction device induces that a human body gets close to the controller, a master control device starts an infrared detection device; the infrared detection device scans a human body infrared signal and feeds the human body infrared signal back to the master control device; the master control device calculates a human body height value H according to the human body infrared signal; the master control device compares the human body height value H with a preset human body height value F; when the human body height value H is smaller than the preset human body height value F, the controller does not act and keeps a locked state. According to the controller, the human body height value H is compared with the preset human body height value F through the master control device, if H is greater than F, it is indicated that a child gets close to the controller, the controller does not act and keeps the locked state, the child getting close to the controller cannot operate the controller, and normal use by a user cannot be influenced.

Anti-misoperation method for controller

The invention discloses a body height measurement method and a body height measurement device based on a depth camera. The body height measurement method comprises the steps of acquiring a depth image of a scene through the depth camera; performing identification in the depth image according to preset human body characteristic parameters, and determining a human body target in the depth image; according to the position of the human body target in the depth image, determining a first image coordinate of an upper end point of the human body target in the depth image and a second image coordinate of a lower end point of the human body target in the depth image; calculating a first three-dimensional coordinate which corresponds with the first image coordinate and a second three-dimensional coordinate that corresponds with the second image coordinate according to the first image coordinate, the second image coordinate, depth-of-field information and a preset camera calibration parameter; and determining the height of the human body target according to the first three-dimensional coordinate and the second three-dimensional coordinate. The body height measurement method and the body height measurement device settle technical problems of complex mounting operation and low body height measurement precision caused by artificial calibration on a mounting height and a mounting angle in mounting the depth camera.

Body height measurement method and body height measurement device based on depth camera

The invention discloses a video processing-based body height measurement method. According to the method, a monocular camera is taken as a realization platform. Calibration is carried out on an image including reference lines to obtain projection parameters of three reference lines; then a video including a to-be-measured human body is processed. The method comprises the following specific steps: (1) accurately identifying a human body in a video frame; (2) segmenting out a foreground human body by an image processing algorithm; and (3) extracting pixel coordinates of human body feature points (a overhead point and a foot point), and finally inputting data of the projection parameters, the camera height, the feature point pixel coordinates and the like into a core projection algorithm, so as to obtain body height information. According to the method, only an ordinary camera is needed in hardware; the others are achieved by software; the method is simple, feasible and high in reliability; the body height measurement efficiency is greatly improved.

Video processing-based body height measurement method

The invention discloses a height measurement method and apparatus. The height measurement method is realized based on a depth camera, and in particular, the depth camera is adopted to acquire the multi-frames of background depth pictures that are converted into multi-frames of background point cloud images, by means of the multi-frames of background point cloud images, and through the background model extraction, the foreground image extraction, the foreground image edge information extraction, the default template matching and the calculation of the world coordinates and the height to be measured, the height of the object to be measured in each frame of image can be obtained, so that the aim of non-contact height measurement is realized; and moreover, the height measurement method has good generalization and good robustness, can realize the all-weather height measurement, and does not need the calibration process before and after the application of the depth camera, and has no risk of personal information leakage.

Height measurement method and apparatus

The invention provides a body height measurement system and a body height measurement method, and belongs to the technical field of body height measurement, aiming at solving the problems in the prior art that the technical accuracy is poor, implementation is impossible in the case that an image is sheltered, and the use is inconvenient since a body height is measured through image analysis. The body height measurement system comprises an image acquisition unit and a processing unit, wherein the image acquisition unit is used for acquiring a depth image, and the processing unit is used for analyzing and obtaining a ground and a human head top in the depth image and for calculating a distance between the human head top and the plane where the ground is located so as to obtain the body height.

Body height measurement system and method

The invention relates to the technical field of computer vision and discloses a measuring method and a measuring device for the height of a human body based on a binocular vision technique. According to the measuring method and the measuring device disclosed by the invention, the height of a human body target is measured by acquiring image coordinates of a human head sharp point of the human body target in a scene image shot by a binocular camera and depth information corresponding to the image coordinates and calculating world coordinates of the human head sharp point under a coordinate system of the camera. According to the measuring method and the measuring device, the requirement on the compatibility of a measured person is low, and the height measurement can be finished by a mode that the person stands within the measurable range for shooting by the camera; the body heights of multiple persons in the scene can be simultaneously measured; in addition, the measurement precision is higher.

Measuring method and measuring device for height of human body based on binocular vision technique

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Measuring method and measuring device for height of human body based on binocular vision technique