14 results about "Image pattern" patented technology

A method for determining at least one height of a surface of an object comprises projecting a patterned radiation beam onto an object so as to form an image of a pattern. The image of the pattern comprises first and second portions, each of the first and second portions comprising at least one line, wherein at least one line of the first portion is disposed at a non-zero angle to at least one line of the second portion. The method further comprises receiving a portion of the patterned radiation beam reflected from the substrate. The method further comprises determining at least one height from a combination of: (a) a part of the received portion of the patterned radiation beam reflected from the first portion of the pattern; and (b) a part of the received portion of the patterned radiation beam reflected from the second portion of the pattern.

This invention relates to the field of physics experiments, and more particularly to a convex lens imaging experimental method and system based on machine vision and data collaboration. The system includes a guide rail, a convex lens, a sliding frame, a light source, a support frame, a stepper motor, a lead screw, a screen, an extension arm, a camera, a controller, and a processor. This invention automatically identifies the optimal imaging position by combining a camera and a processor, eliminating the subjectivity of human judgment, improving the objectivity and reliability of experimental conclusions, and uploading experimental data to the cloud in real time. This enables the aggregation, sharing, and visualization analysis of multiple sets of data, ensuring the objectivity and accuracy of a single measurement while supporting the summarization of imaging patterns from multiple sets of data, thus enhancing the scientific rigor and depth of the experiment.

A defect inspection method includes: recognizing image peaks that are reference positions of image patterns included an inspection image; performing filtering on a reference image including reference patterns, recognizing reference peaks, and then selecting some of the reference peaks as peak samples; calculating candidate correction constants by overlapping the filtered inspection image and the filtered reference image, and then selecting a primary correction constant among the candidate correction constants; applying the first correction constant to the reference image and selecting a secondary correction constant by matching the image peaks to the reference peaks included in a primary corrected reference image, and then applying the secondary correction constant to the primary corrected reference image and forming a secondary corrected reference image aligned with the inspection image; and performing a defect inspection on the inspection image by matching the image patterns to reference patterns included in the secondary corrected reference image.

An artificial intelligence (AI) camera includes a lens, an AI optical system that generates a processed light by performing a neural network operation based on first input light incident through the lens, and an image sensor that generates image data based on the processed light and identifies an image pattern based on the image data.

Provided are a display system and an information processing apparatus, the display system being capable of obtaining a projected image with a small roll angle. The display system includes a projection apparatus that projects an image and an information processing apparatus that has an imaging section and an inertial sensor, wherein the projection apparatus projects a first image including a first image pattern toward a projection surface, the information processing apparatus, after acquiring first captured image data obtained by the imaging section capturing the first image, causes the projection apparatus to project a second image, receives a user's angle adjustment operation, and causes the projection apparatus to project a third image, wherein the second image is obtained by performing geometric correction on the first image based on data of the first image, the first captured image data, and a detection value of the inertial sensor, and the third image is obtained by rotating the second image about a normal vector of the projection surface based on the angle adjustment operation.

A display device and a method for driving a display panel are disclosed according to embodiments of the present disclosure. The display device may include: a display panel in which two sub-pixels share a data line and are configured to be controlled by two different gate signals; a gate driving circuit for supplying gate signals to the display panel; a data driving circuit for supplying data voltage to the display panel; a memory configured to store image data to be displayed on the display panel; and a timing controller configured to determine a sequence type based on an image pattern of a specified area detected from the image data, and to control the gate driving circuit and the data driving circuit to drive the specified area according to the selected final sequence.

This invention relates to the field of biometric recognition software and image pattern analysis technology, and discloses an automatic extraction method for preoperative image features of uterine fibroids using focused ultrasound ablation for re-pregnancy assessment. The method includes: acquiring image voxel data of the target entity and calculating its geometric center; traversing candidate anchor points in a three-dimensional neighborhood space and identifying gradient maxima to determine the optimal sampling origin; emitting a spatial sampling vector from the optimal sampling origin to establish a radial sampling field; calculating the gradient and energy characteristics at interface attribute transitions; and fusing them after noise component stripping to generate a descriptor vector. This invention utilizes dynamic optimization of the sampling origin to achieve orthogonal alignment between the sampling path and the tissue interface, suppressing non-pathological diffusion of signal steps at the mechanistic level, and improving the accuracy and uniqueness of biometric descriptors in representing the physical integrity of tissues.

The present disclosure concerns a testing device (500) comprising: a light-field projector display (100) sequentially emitting a plurality of light fields (101); a spatial light modulator (SLM) (3) controllable to modulate the light fields (101); projection optics (4) configured to project the modulated light fields (101) and form at least a virtual image (40) in a projection image plane (400); and wherein the SLM image pattern (61) is configured to add at least one refractive correction to said at least one virtual image (40). A human interface device (HID) (503) is configured to let a user select at least one of the virtual images (40) for which the user perceives as having the best image subjective quality input the refractive correction corresponding to the selected at least one of the virtual images (40) in a data storage unit (509). The present disclosure further concerns a computer-readable medium configured to perform a method for to assess the vision acuity of a user by using the testing device.

The utility model belongs to skin care technical field discloses a kind of mask and beauty system. Mask includes substrate, identification layer and multiple first type identification arranged on identification layer, substrate is transparent structure layer or translucent structure layer, substrate has inner side face;Identification layer is arranged away from the inner side face of substrate, and has outer side face relative to inner side face;User can observe first type identification through inner side face;When user observes first type identification through inner side face, first type identification shows as the positive image pattern of a character, a number or a letter;When user observes first type identification through outer side face, first type identification is the mirror image pattern of character, number or letter. The function of mask provided by the utility model is good in guidance, can be conveniently operated by user at home to accurately operate beauty instrument to enhance skin care, beneficial to improve skin care effect, reduce skin care cost.

The present invention provides an image forming apparatus that can effectively suppress the decrease in the accuracy of detecting the amount of adhesion of the adjustment pattern for the adhesion amount detection means. [Solution] The image forming apparatus is equipped with a pattern changing means that changes the toner image pattern or the frequency of toner image pattern formation so that the amount of toner input to the part of the cleaning member that contacts the non-paper-feeding area of ​​the image carrier during a predetermined period increases according to the remaining amount of lubricant in the lubricant application means. A specified range is set based on the change of the toner image pattern by the pattern changing means (S12), If the adjustment pattern falls within the set specified range (Yes in S13), the formation timing of the adjustment pattern is changed so that it falls outside the specified range (S14). On the other hand, if the adjustment pattern does not fall within the set specified range (No in S13), the adjustment pattern is formed without changing the formation timing (S15).

The present invention relates to a system and method for automatically analyzing train operation information records. The system comprises: a plurality of operation record collection modules; a network; an operation record analysis server; and a plurality of train operator terminals, wherein the operation record analysis server analyzes remaining time information for a task based on image patterns captured by a CCTV camera included in an operation record collection module that provides image information of a railway track, and final arrival time information to a location where the task is being performed, on the basis of railway operation data provided from a railway operation recording device included in the operation record collection module, provides the analyzed information via the network to a train operator terminal operating a train approaching the task location, and, when the final arrival time information is shorter than the remaining time information by at least a preset threshold, controls a transceiver to transmit a speed control request to a terminal identification number of the train operator terminal via the network.

Provided herein is a method for controlling an optical uplink to a spacecraft, including: providing an output laser beam pointing to a location along a trajectory of the spacecraft through a path in the atmosphere; the output laser beam provided with a beam waist. The method includes monitoring an image pattern obtained from a first image of a beam received from the location and a second image of a reference beam from the output laser beam; determining from the monitored image pattern a relative turbulence strength for the received laser beam along the path in the atmosphere, the turbulence strength based on a beam waist value of the output laser beam and a Fried parameter related value and / or a measured isoplanatic angle; comparing the relative turbulence strength with a predetermined performance factor value; based on the comparison, determining control of the output laser beam either using a divergence control for the beam expanding device or using a wavefront correction control for the wavefront corrector, and a processing unit is configured to select the wavefront correction control if the relative turbulence strength exceeds the predetermined performance factor value, and else to select the divergence control of the output laser beam.

Provided is a lamp device installed on the front of a vehicle, and the light device may connect a drive unit to a light source module to thus rotate an optical module, thereby implementing various optical image patterns and also converting the optical image pattern.

A display device in some examples can include a display panel in which two subpixels share one data line and are disposed to be controlled by two different gate signals, a gate driving circuit supplying a gate signal to the display panel, a data driving circuit supplying a data voltage to the display panel, a memory configured to store image data to be displayed on the display panel, a timing controller configured to determine a sequence type based on an image pattern of a designated area detected from the image data and to control the gate driving circuit and the data driving circuit so that the designated area is driven according to a selected final sequence.