3results about How to "Exact width" patented technology

The application discloses a channel scratch depth and width determination method based on speckle domain Gaussian distribution fitting. The method is characterized in that a light guide beam and a camera are cooperated with coherent laser illumination to explore a channel, original laser speckle images in the channel are collected, Gaussian distribution fitting of speckle domains is carried out through drawing a straight line vertical to a scratch in the image, and the depth and width of the target scratch are determined. The scheme provided by the application can be applied to a specific endoscope pipeline diameter, and the depth and width of the scratch can be effectively determined.

The application discloses a machine vision target positioning method and system based on boundary frame self-adaptive adjustment, relates to the technical field of target detection and positioning, and comprises the following steps: acquiring real-time images and depth images of a current monitoring environment; inputting the real-time images into a light-weight target detection model based on an improved YOLO, identifying targets in the images and extracting target boundary frames; aligning the real-time images and the depth images, determining the depth value of each pixel point according to the coordinates of each pixel point in the target boundary frame region; based on the depth value of each pixel point in the target boundary frame region, using an adaptive width and distance measurement algorithm to distinguish target regions and background regions in the target boundary frame region, extracting the overall depth value of the target regions, determining the target distance and the target position, re-identifying the boundaries around the targets in the target boundary frame region, determining the target width and height, and thus completing target positioning. The application can realize more accurate and reliable acquisition of target positioning information.