4893 results about "Image display" patented technology

The invention discloses a high-speed multi-photon detection system and method. The system comprises a detector and a signal processing circuit, wherein the detector is composed of a window plated with a photoelectric cathode, a micro-channel plate stack and an anode; a plurality of incident photons are converted into a plurality of photoelectrons by the photoelectric cathode, and the photoelectrons are converted into electron cloud by the micro-channel plate stack; the incident electron cloud is divided into multiple paths by three layers of staggered metal strip electrodes of the anode, and charge collection is carried out to obtain charge short pulses of each layer of electrode; the signal processing circuit converts the charge short pulses transmitted by the three layers of electrodes into digital pulse signals, obtains the centroid coordinates of the electron cloud from the digital pulse signals as the abscissa value, the ordinate value and the verification value of the incident photon position, combines the abscissa value, the ordinate value and the verification value based on the screening condition to obtain the target two-dimensional coordinates, and finally obtains the target two-dimensional coordinates. And transmitting to a terminal for imaging display. According to the invention, a plurality of synchronous photons can be detected, the overall counting rate of the detector is greatly improved, and the detection efficiency is improved.

Systems and methods are described for enabling asynchronous experience sharing between users visiting the same environment at two different times. First image data is received, captured during a first time period, wherein the first image data comprises data characterizing the environment in three dimensions. Stored second image data is accessed, the stored second image data captured during a second time period earlier than the first time period, the stored second image data characterizing the environment in three dimensions. A display image is caused to be rendered at a user device during the first time period based on the first image data, the display image comprising an object from the second image data.

An apparatus and method for training and using a computing operation for digital image processing are provided. The apparatus and method may be used for 3-dimensional medical images. An exemplary method for digital image processing comprises: receiving an image displaying at least one detectable structure, determining the detectable structure; segmenting the image to obtain a segmentation mask that is associated with a geometric shape and comprises at least one quantifiable visual feature; generating a mesh based on the quantifiable visual feature; computing at least on quantifiable visual parameter based on the mesh; extracting quantifiable visual data from the image based on the quantifiable visual parameter; training the computing operation with the quantifiable visual data. The method for digital image processing further comprises: receiving another image; segmenting, generating a mesh, computing quantifiable visual parameters, and extracting quantifiable visual data; and classifying the extracted quantifiable visual data with the trained computing operation.

A viewpoint setting unit of an image data generation device sets a reference viewpoint on a basis of position and orientation information regarding a head-mounted display, and a reference image drawing unit generates a reference image in a field of view corresponding to the reference viewpoint. An additional data generation unit acquires color information regarding an occluded part not represented in the reference image from a different viewpoint as additional sampling data. A reprojection unit of the head-mounted display transforms the reference image into an image from a latest viewpoint and determines a pixel value of the hidden part using the additional sampling data.

The invention provides a liquid crystal display lightening parameter self-adaptive calibration method, and relates to the technical field of image display. The method comprises the following steps: firstly, establishing a characteristic matrix and a parameter library of liquid crystal molecules, and dynamically correcting according to a real-time working state; and based on the characteristic matrix and the parameter library, executing pixel-level forward prediction on the input image, and generating a color error distribution diagram by solving a coupling solution of a liquid crystal molecule dynamic response differential equation and a backlight attenuation compensation equation. And taking the error distribution diagram as input, obtaining a gradient optimization direction of the calibration parameter mapping diagram through back propagation calculation, and iteratively approaching the optimal pixel value compensation amount in each frame period. And injecting a test pulse into the characteristic pixel point, capturing a voltage response curve through a sampling circuit, and converting the voltage response curve into a real-time correction value mapping graph. And finally, carrying out weighted fusion on the real-time correction value mapping graph and the pixel value compensation amount to generate a calibration parameter mapping graph. The self-adaptive calibration of the display parameters is improved, and the display consistency and the color accuracy are effectively improved.

The invention relates to the technical field of display, in particular to an image display system and method for an intelligent voice interactive electronic ink screen, and the system comprises a language interaction module which is used for carrying out the semantic processing of an accessed voice instruction, and generating corresponding description information; the image generation module is connected with the language interaction module and is used for generating target image data according to the description information and the display characteristic parameters of the electronic ink screen; the image display module is connected with the image generation module and used for driving the electronic ink screen to display images according to the target image data, and the problem that the existing image display method of the intelligent voice control electronic ink screen does not fully consider the specific display characteristic parameters of the electronic ink screen in the image generation process; therefore, the technical problems of display ghosting and slow refreshing are solved.

The invention provides an information transmission method, electronic equipment and an information transmission system. The method can be applied to electronic equipment and comprises the steps that when equipment exists around first electronic equipment, a first image can be displayed, and the image comprises a first part and a second part; the second electronic equipment can obtain N frames of first images, identifies the first information of the second part code, and realizes equipment connection, data transmission, account login, conference participation and the like based on the first information. In the technical scheme, the second electronic equipment can scan the image displayed by the first electronic equipment to obtain the first information in the image, so that information transmission between the first electronic equipment and the second electronic equipment is realized, for example, when new equipment is replaced or data cloning is carried out, the interaction path of the equipment can be shortened, and the sense of science and technology is improved.

The invention provides an information transmission method and electronic equipment. The method comprises the steps that N frames of first images are obtained, each frame of first image in the N frames of first images comprises particle points coded with target information, the particle points comprise positioning points used for positioning a display area and information points used for indicating data, in the same frame of first image, the positioning points are circularly displayed according to a first preset color sequence, and the information points are displayed according to a second preset color sequence; the information points are circularly displayed according to a second preset color sequence; determining a target area containing particle points in the first image; extracting particle points from the first image according to the target area; and determining coded target information in the particle points according to the distribution condition of the particle points. In the technical scheme, the first electronic equipment can scan the image displayed by the second electronic equipment to obtain the coded information in the image, so that information transmission between the first electronic equipment and the second electronic equipment is realized, for example, when equipment connection is carried out, an equipment interaction path can be shortened, and the sense of science and technology can be improved.

To provide a high efficiency light guide element.SOLUTION: A light guide element has a first light guide portion that propagates a light beam incident thereon while reflecting the light beam therein, and a second light guide portion that emits the light beam from the first light guide portion part by part while reflecting the light beam therein. A first optical film 10-i is provided on the first light guide portion, and a second optical film 11-i different in characteristics from the first optical film is provided on the second light guide portion to be adjacent to the first optical film. A first light guide member 1-i constituting the first light guide portion and a second light guide member 1-ii constituting the second light guide portion are closely adhered or joined to each other.SELECTED DRAWING: Figure 1

The invention provides a display method, an electronic device, a readable medium and a program product, a display screen of the electronic device comprises a first area and a second area which do not coincide, the second area is provided with a hole digging area, a camera is installed in the hole digging area, the first area is an image display area, and when the electronic device displays a first interface, the camera is installed in the hole digging area. When the user inputs the operation of rotating the device in the first rotating direction, the electronic device can respond to the operation of the user, the snapshot of the first interface is firstly obtained and displayed, and when the electronic device rotates, the display screen keeps displaying the interface content of the first interface firstly. When the transparency of the snapshot of the first interface is smaller than the second value, the image display area displays the second image in the third direction and then displays the dynamic effect of transiting from the second image to the third image, and the second image is displayed in the direction of the first image, so that when a user controls the screen to rotate, the dynamic effect is achieved. The image display area of the display screen can display the rotation effect of the image.

The embodiment of the invention provides display equipment, a display equipment control method and device, a medium and a product. The display device comprises: a display screen for displaying an image; the echo ranging device is used for detecting the position of an object in front of the display equipment; and the processor is connected with the display screen and the echo distance measuring device and is configured to obtain position data of the object and determine whether the object is an effective moving object or not according to the position data. And if the object is the effective moving object, adjusting playing parameters of a display screen according to the viewing position of the effective moving object after the effective moving object is moved. The display device is used for achieving the effect of improving the accuracy and efficiency of detecting the position of the mobile user by the display device.

The invention discloses a neurosurgical operation navigation method which comprises the following steps: performing three-dimensional reconstruction according to brain image data of a patient to obtain an initial brain three-dimensional model, and planning a target operation path; obtaining a two-dimensional ultrasonic image collected by an ultrasonic tool and position information of the ultrasonic tool, and performing reconstruction to generate a three-dimensional ultrasonic image; correcting the initial brain three-dimensional model according to the three-dimensional ultrasonic image to obtain a corrected brain three-dimensional model; in the puncture operation process, real-time advancing position information and a real-time intracerebral image of the endoscope positioning guide wire tool are obtained in real time, and a navigation image is generated in combination with the corrected brain three-dimensional model; and displaying a navigation image, and indicating a position relationship between the real-time advancing position and the target surgical path, so as to navigate the surgical operation process. According to the technical scheme provided by the invention, the puncture operation process of the neurosurgery can be navigated more accurately and perfectly, and meanwhile, the influence of brain drift on the navigation accuracy can be avoided.

The invention relates to a display device. The display device comprises a display screen and a processor. The display screen is used for displaying images and comprises a plurality of pixels, and one pixel comprises a plurality of sub-pixels used for transmitting light of different colors. The processor is connected with the display screen and the backlight module, and the processor is configured to perform image analysis on the to-be-displayed image, obtain a gray scale average value of the to-be-displayed image, and obtain a corresponding multi-level classification label and a corresponding confidence coefficient; the confidence coefficient is used for representing the accuracy of the multi-level classification labels; determining a corresponding lookup table according to the multi-level classification label and the corresponding confidence coefficient; the lookup table comprises a corresponding relation between the multi-level classification labels and the pixel compensation gains; determining a pixel compensation gain according to the lookup table; calculating the pixel value of each pixel in the display screen according to the gray-scale value of each sub-pixel and the pixel compensation gain; and adjusting the transmittance of each pixel in the display screen based on the pixel value. The pixel compensation effect can be improved, and then the display effect is improved.

An image display device includes: a first display device configured to output a first image representing an operation part for an apparatus; an imaging element configured to reflect the first image and to form the first image in mid-air as a mid-air image; a first sensor configured to detect an approach of a detection object to the mid-air image and to output a first signal; and a controller configured to output a second signal to the apparatus based on the first signal.

A medical image processing apparatus includes: an image acquisition unit that acquires a plurality of medical images; an image classification unit that classifies the medical images into at least one of a plurality of categories; an image display unit that displays, on a screen, at least one of the plurality of medical images based on a result of the classification as an automatically selected image; an input receiving unit that receives an input from a user to select an image requiring reselection as a key image from among the displayed automatically selected images as a selected image; and a display control unit that switches and displays, as a switching image, a non-automatically selected image other than the automatically selected image among the plurality of medical images classified into each category, instead of displaying the selected image.

The invention discloses a commentary video synthesis method and device, equipment and a medium, and the method comprises the steps: obtaining a commentary content text of an original video, and generating a subtitle data set corresponding to the commentary content text and an audio data set of the subtitle data set, the subtitle data set comprises a plurality of subtitle display time periods arranged according to a time sequence and subtitle texts corresponding to the subtitle display time periods; determining a corresponding image display time period according to each subtitle display time period in the subtitle data set; corresponding to each image display time period, determining a matched image frame sub-sequence in a preset image material library according to a caption text in the corresponding caption display time period in the caption data set so as to construct a video image frame sequence; and synthesizing a corresponding target explanation video according to the subtitle data set, the audio data set and the video image frame sequence. According to the method, the subtitles, the audios and the corresponding image frame sequences accurately matched with the explanation content text are automatically generated, so that the production efficiency and quality of the explanation video are remarkably improved.

To more flexibly achieve electronic settlement.SOLUTION: Causing a display unit of the terminal to display an online code image generated using a one time code acquired from a settlement server through communication when a state of the settlement server is a first state in which the state of the settlement server is normal, and causing the display unit of the terminal to generate an offline code image using an offline key acquired from the settlement server at a lower frequency than the one time code when the state of the settlement server is a second state in which the state of the settlement server is not normal; A process of displaying the offline code image on a display unit of the terminal.SELECTED DRAWING: Figure 1

The present disclosure relates to an image modification process used to generate a chosen type of stereoscopic video of the common field of view shared by two cameras without requiring any pre-set and arrangement normally needed for stereoscopic display. The process can use left and right video streams of images originating from a wide range of camera types sharing some portion of their respective fields of view that are not limited to a specific relative orientation (convergent, parallel or divergent) and can be used to adapt in real time the stereoscopic video to be displayed to a viewer where his dynamic inputs are constantly updated. The proposed method can be used to optimize, correct and or allow the use of various apparatuses (webcams, cameras, scanners, etc.) that may come out of the production lines with imperfects to the capture cameras.

Methods and apparatus for performing artificial intelligence (AI)-based scanning verification for a self-checkout transaction using a self-checkout system are described. In an example method, a first image of multiple items within a shopping cart is displayed on a display system of the self-checkout system. A scanning of a first item of the multiple items with a handheld scanner associated with the self-checkout system is detected. A second image of at least a second item of the multiple items within the shopping cart is generated. The second image lacks an indication of the first item. The second image is displayed on the display system.

An electronic device may include: a display, a light sensor, and at least one processor configured to obtain a first illuminance value based on illuminance data obtained through the light sensor for a first time during which the display is turned on and off, obtain a second illuminance value based on illuminance data obtained through the light sensor for a second time shorter than the first time, while the display is turned on and off, determine a third illuminance value based on the first illuminance value and the second illuminance value, determine a fourth illuminance value based on color information about an image displayed through the display and information related to a luminance of the display, and determine a correction value for correcting an illuminance value obtained through the light sensor based on the third illuminance value and the fourth illuminance value.

To provide an image display system or the like capable of grasping a position in a depth direction in a two dimensional image.SOLUTION: There are provided a coordinate acquisition unit that acquires a position of an object as three dimensional coordinates with a depth direction as a first axis, a conversion unit that converts the three dimensional coordinates into a two dimensional image with the first axis and a second axis orthogonal to the first axis as coordinate axes, and a display unit that displays the two dimensional image in a display form according to coordinates of a third axis orthogonal to the first axis and the second axis. The display part displays the two dimensional image in a display color corresponding to the coordinate of the third axis as a display form.SELECTED DRAWING: Figure 1

The invention discloses an image processing method. The method comprises the following steps: displaying a first image and a first mark on an image display page; the first mark is used for identifying a first object in the first image; when the distance between the first mark and the preset position of the image display page is smaller than a preset value, obtaining a third image according to the first image or the second image; the second image and the first image are images acquired by using different cameras for the same scene, and the third image is an image obtained by reconstructing the first image or the second image by taking the first object as a composition main body; and displaying the third image on the image display page. According to the method and the device, the image with relatively high quality can be stably obtained under the condition that complicated manual operation is not needed.

A grating waveguide device that reduces rainbow artifacts, and a waveguide system. The grating waveguide device comprises a waveguide substrate (2) and a grating structure. The grating structure comprises a first in-coupling grating (3-1) and a first out-coupling grating (4-1), a grating region of the first out-coupling grating (4-1) having a grating line overlapping structure of multiple dimensions; alternatively, the grating structure comprises a second in-coupling grating (3-2), a fold grating (5) and a second out-coupling grating (4-2), a grating line region of the fold grating (5) and a grating line region of the second out-coupling grating (4-2) having an overlapping region. Grating vectors of the grating structure form one and only one closed path in a k-space. When a projected image of an imaging device enters an eye box via the grating structure of the waveguide substrate (2) as a projected light beam, an image displayed by the grating waveguide device is distortion-free and aberration-free compared with the projected image of the imaging device, and diffracted light generated by the diffraction of ambient light via the grating structure does not enter the eye box, such that human eyes cannot observe the rainbow artifact phenomenon in the eye box.

A control apparatus for an image display system that includes a first optical system configured to form a first optical image of an object, a second optical system configured to form a second optical image of the object, a first driving unit configured to move a first imaging position of the first optical image and a second imaging position of the second optical image, a second driving unit configured to move the second imaging position, and an operation unit operable to adjust the second driving unit includes a memory storing instructions, and a processor configured to execute the instructions to acquire information regarding the first imaging position and the second imaging position, and cause a display unit to display the information in a case where the second driving unit moves the second imaging position in accordance with an operation on the operation unit.

To enable a viewer of an appraisal result to easily understand grounds for determination of authenticity of an appraisal item.SOLUTION: According to one embodiment, an appraisal system includes: an appraisal unit for appraising whether an appraisal item matches a registered item on the basis of a registered item image registered in advance and an appraisal item image captured by a user; an image generation unit for generating at least one of a matching-point image indicating matching points between the registered item image and the appraisal item image and a non-matching-point image indicating non-matching points between the registered item image and the appraisal item image; and a display unit for displaying the result of the appraisal and at least one of the matching-point image and the non-matching-point image.SELECTED DRAWING: Figure 12

The invention discloses a blind area early warning method based on an electronic rearview mirror and a related device, and the method comprises the steps: obtaining an original image in at least one preset collection direction through image collection equipment, and carrying out the preprocessing of the original image, and obtaining a target image; determining a target early warning area in the target image according to the running state of the vehicle; classifying reference moving objects in the target early warning area to obtain a classification result; determining a distance measurement range of the reference moving object according to the classification result; screening the reference moving objects according to the distance measurement range to obtain a target moving object; determining a target risk level of the target moving object; and performing early warning on the vehicle according to the target risk level, and marking the target moving object and the target risk level on the target image displayed on the display screen. According to the invention, the accuracy and reliability of blind area early warning can be improved.

The invention discloses an image display method for a naked-eye 3D large screen, and particularly relates to the technical field of intelligent display, which comprises the following steps of: firstly, acquiring and tracking the positions of eyes of multiple audiences in front of the screen in real time through a depth camera network, and distributing a unique ID (Identity) for each audience to realize continuous tracking; thirdly, dividing the audiences into a plurality of visual areas based on a dynamic clustering algorithm, and calculating the rendering priority of each visual area according to the number of the audiences in each visual area and the importance of the content of the concerned screen; then, left and right eye views with correct parallax are rendered in parallel for each activated visual area, and digital pre-compensation is performed by using a pre-stored optical model so as to suppress crosstalk and uneven brightness; and finally, according to the distance and angle of the visual area of the audience, querying the human factor engineering database to obtain a comfortable parallax threshold, and dynamically compressing the extreme depth of field exceeding the threshold in the scene. According to the invention, multi-audience self-adaptive high-quality 3D display is realized, and the watching experience, the resource utilization efficiency and the visual comfort are effectively improved.

The invention relates to an image acquisition method and device, equipment, a storage medium and a program product. The method comprises the following steps: determining brightness characteristics of a preview image displayed in a viewing frame of image acquisition equipment; inputting the brightness characteristics into an exposure compensation model to obtain a target compensation proportion; performing exposure compensation on exposure parameters of the image acquisition equipment according to the target compensation proportion; and in response to an image acquisition instruction, performing image acquisition on the preview image according to the exposure parameter after exposure compensation to obtain a target image. By adopting the method, the accuracy of the exposure quantity adopted during image acquisition can be improved, so that the adaptability of the brightness of the acquired image and the ambient brightness is improved, and the image quality is further improved.

The present invention relates to a watch comprising: a cuboid watch body 100; five display units 210-214 which are respectively formed on the entire areas of the six surfaces constituting the surface of the watch main body 100 except the lower surface; and a display control unit for controlling the display of each of the five display units 210-214. The display control unit has a function for controlling the display of each of the five display units 210-214 such that the images displayed by each of the five display units 210-214 are linked or associated. The invention can provide a watch having an unprecedented new value.

A vehicle display device includes: a housing mounted on a vehicle and having an opening facing a windshield; an image display device that is disposed inside the housing and outputs display light of an image; a mirror that is disposed inside the housing, faces the windshield through the opening, and reflects the display light toward the windshield; a cover that is transparent, disposed at the opening and having a free-form surface formed to have an optical function; and a suppression means that is disposed at an edge of the cover and suppresses reflection of light on an end surface of the cover.