105results about How to "No ghosting" patented technology

A method for automatically synthesizing multi-sheet of human face photograph includes positioning human face position in each inputted photograph preliminarily, accurately labeling outline and facial features by utilizing multiple constraint of positioned total or partial information of human face, carrying out color regulation automatically on each photograph to obtain unified color, utilizing deformation algorithm and interpolation synthesis of each pixel color to obtain a sheet of human face photograph with characters of each inputted photograph clearly and truly.

A 3D imaging system includes a colour display and 3D glasses. The 3D glasses comprise a first eyeglass and a second eyeglass, each of which is provided with an interference filter. The interference filter of the first eyeglass only allows one colour of RGB to pass through, and the interference filter of the second eyeglass only allows the other one or two colours of RGB to pass through. A 3D imaging method is also disclosed. By applying the interference filters to the 3D imaging system, the purity of the colour of the light, which is from the light source and beam splitting system of the colour display, is increased, which is advantageous to loading and separating the left and right image information of the 3D image independently.

The invention relates to a panorama stitching method for removing a moving object in a moving video, comprising the following steps: (1) acquiring an appropriate number of video screenshots according to the length of a video, wherein the screenshot selection interval is shorter is the video is shorter, and the screenshot selection interval is longer if the video is longer; (2) projecting an original image to a sphere in order to prevent a final panorama from distortion and deformation; (3) carrying out SURF feature point detection on each frame of image to obtain a feature point description sub vector as the basis of matching; (4) carrying out feature point matching; (5) calculating a perspective (homographic) transformation matrix of every two frames of images based on matching feature points, and calculating forward and reverse homographic matrix transformation of two adjacent frames; (6) obtaining the size of the panorama based on the homographic transformation matrix of adjacent frames; and (7) inversely mapping the panorama to a sequence frame, building a candidate point list for each pixel point of the panorama, and removing a moving object, thus, completing generation of the panorama. The resolution of panorama generation is high, background overlay is accurate, and the 'ghost' phenomenon of the moving object is avoided.

The invention relates to the field of head-up display technologies, particularly relates to head-up display sandwich glass on automobiles, and particularly discloses head-up display sandwich glass. Electric heating can be carried out by the aid of a conducting low-emissivity coating of the head-up display sandwich glass. The head-up display sandwich glass comprises an inner glass plate, an outer glass plate and a middle membrane. A transparent nanometer film capable of reflecting P polarized light is deposited on the surface, which is farthest to the middle membrane, of the inner glass plate, the conducting low-emissivity coating is deposited on the surface, which is the closest to the middle membrane, of the outer glass plate or on the surface, which is the closest to the middle membrane, of the inner glass plate, and a first electrode and a second electrode which are used for being connected with external power sources are arranged on the conducting low-emissivity coating. The head-up display sandwich glass has the advantages that the head-up display sandwich glass is excellent in heat-insulation performance; the head-up display sandwich glass is basically free of ghosting phenomena, and high-definition head-up display effects can be realized by the head-up display sandwich glass; the two electrodes can be communicated with the external power sources, and accordingly, the head-up display sandwich glass can have an electric heating function and further can have defrosting and demisting functions.

A scene non-uniform correction method for a scanning type infrared imaging system comprises the following steps that: an infrared video stream is obtained from an infrared detector, an L is set to be 1, the L(th) frame image of the infrared video stream is judged whether to be the first frame of the infrared video stream, if the L(th) frame image is the first frame of the infrared video stream, an n is set to be 0, the grain coefficient Gn (i) and offset coefficient On (i) of each pixel of a linear detector are read, non-uniform correction is carried out on each pixel in the L(th) frame image according to the grain coefficient Gn (i) and the offset coefficient On (i) so as to obtain non-uniform correction results, neighbor median processing is performed on the non-uniform correction result of each pixel in the L(th) frame image so as to obtain non-uniform correction expectation results, the least square method is adopted to process the grain coefficient Gn (i) and the offset coefficient On (i) according to the non-uniform correction results and the non-uniform correction expectation results, so that Gn+1 (i) and On+1 (i) are obtained. By adopting the scene non-uniform correction method, the ghost phenomenon is not obvious, the image quality is better and the method has a good application prospect.

The invention relates to a VR one-body machine and an image adjusting method thereof. The image adjusting method comprises the steps of obtaining a pupil distance of a VR one-body machine, and adjusting positions of two images displayed on a display screen on the basis of the obtained pupil distance so that the distance between the two images matches the pupil distance. The invention also provides the VR one-body machine. Through the technical scheme of the invention, the positions of the two images on the display screen can be adjusted on the basis of the pupil distance of the VR one-body machine to enable the distance between the two images to match the pupil distance of the VR one-body machine. In this way, when the two images are synthesized in the eyes of a person through complex optical reflection, ghosting will not be generated, and thus the user experience is improved.

The embodiment of the invention provides an ultrasonic wide-scene imaging method and device, and belongs to the field of image processing. The method comprises the steps that respective image featurepoints are extracted from the acquired two original images to be spliced; multiple matching opposite points which are correspondingly matched with the two original images are acquired based on the image feature points of each original image; the target matching opposite points are acquired from multiple matching opposite points; the overlapping area of the two original images is acquired based onthe target matching opposite points; the suture line is established based on the overlapping area; and the two original images are spliced into the ultrasonic wide-scene image through the suture line.With application of the method, the accurate matching opposite points can be acquired so that the acquired ultrasonic wide-scene image is enabled to have no ghosting and the definition of the ultrasonic wide-scene image can be enhanced.

The invention discloses an electronic 3D (three dimensional) microscope for operations, and relates to the field of microscopes for the operations. The electronic 3D microscope for the operations solves the problems that a multiple of an eye lens of an existing 3D electronic microscope can not be optionally adjusted, the existing 3D electronic microscope is troublesome to install and demount, and certain difficulty is brought into operation observation. The electronic 3D microscope for the operations comprises an electronic microscope, a left path imaging device, a right path imaging device, a master control image processing device and a display device, wherein the left path imaging device is composed of an eye lens general interface, an optical imaging system and an electronic imaging system, and the master control image processing device comprises an image processing module, an image storage module and a control panel. The electronic 3D microscope for the operations fixes a left/right path imaging system by using the eye lens general interface, is convenient to install and demount, performs optics adaptation on the eye lens and the electronic imaging system through the optical imaging system, obtains a view field angle as same as a view field angle obtained through human eye detection, obtains a real 3D image, greatly improves the comfort level of users, and reduces fatigue of the users.

The invention discloses a non-uniformity correction method and a device based on local statistical correlation. The non-uniformity correction method based on local statistical correlation comprises steps: F frames of images are acquired continuously; the acquired F frames of images are calibrated; the mean value of the F frames of calibrated images is calculated recursively to obtain a mean value image; the mean value image is subjected to mean value filtering to obtain an image after filtering; and subtraction between the image after filtering and the mean value image is carried out to obtain a correction coefficient matrix. The invention also discloses a non-uniformity correction device based on the local statistical correlation.

The invention discloses a shape-optimized rectangular panoramic image construction method based on feature selection, and the method comprises the steps of carrying out the splicing of two overlappedimages which are shot in a non-fixed mode based on a common camera, and obtaining a rectangular panoramic image which is not distorted in shape and is not lost in information; taking the shot image asan input image, performing feature point matching on the input image, and screening mismatched feature points and isolated feature points by using a clustering algorithm; performing image registration operation on the input image overlapping area by utilizing the screened feature points; gradually changing distortion transformation is carried out in the non-overlapping area so as to reduce perspective distortion generated by the image; and establishing a grid optimization model based on boundary constraint and central region reservation, obtaining an optimal rectangular grid vertex, and finally obtaining a final rectangular panoramic image through an interpolation method. According to the invention, the rectangular panoramic image is generated under the condition that the information lossis reduced as much as possible through non-fixed shooting of the image with the overlapped area.

The invention describes a scene-based self-adaptive heterogeneous-fixed-noise removal method which is characterized by being realized through the following steps: 1. determining scene initialization; 2.scene self-adaptive iteration; 3. scene template update; 4. image generation and output. The method is applicable to heterogeneous-fixed-noise removal. The method is capable of adapting to change of the scene without generating ghost images; and the convergence speed is high so that a convergence problem and a ghost image problem of the prior algorithms are solved.

According to a virtual platform and entity platform combining and converting method, a logical processing module, a functional control module, a timer, a remote control, a sensing device, a solid liquid crystal optical dimming thin film touch screen, a conversion device, a virtual platform and an entity platform are included. The virtual platform and entity platform combining and converting method comprises the following steps that (1), the logical processing module is connected with the functional control module; (2), one end of the logical processing module is connected with the timer, and the other end of the logical processing module is connected with the remote control; (3), the logical processing module is connected with the sensing device and the solid liquid crystal optical dimming thin film touch screen; (4), the functional control module is connected with the conversion device; (5), the conversion device is connected with the virtual platform and the entity platform. The conversion device comprises a mechanical conversion device and an optical film conversion device. The functional control module comprises a control signal receiving unit, an information collection unit, a video switch unit, an audio switch unit, a touch switch unit, a solid liquid crystal optical dimming thin film state switch unit, an information distribution unit and a mechanical switch unit.

The invention discloses a high-resolution X-ray imaging device of tissues in human body. The X-ray imaging device comprises a radiation source (1) for emitting electromagnetic radiation and an imagingdevice (2), wherein the imaging device (2) comprises at least one imaging component (21) and a delivery structure (22) coupled with each imaging component (21); the imaging components (21) are connected with each other, extend into the human body in use, are fixed in a diagnostic target area and cooperates with the radiation source (1) arranged outside the human body to image; the imaging components (21) are coupled with the delivery structure (22). The high-resolution X-ray imaging device of tissues in human body is capable of accurately imaging the tissues in the human body; the auxiliary manner used when the device in the prior art is incapable of imaging is avoided; the pain of the patient is relieved; meanwhile, the imaged images are clear and are free of double images, so that the doctor can conveniently and accurately diagnose.

The invention belongs to portable a wearable eye apparatus, and relates to three-dimensional glasses capable of realizing augmented reality, specifically to augmented reality three-dimensional glasses capable of amplifying a display image through a recessed reflector. The augmented reality three-dimensional glasses comprise a shield body, of which one end is the imaging end, and the other end is the wearing end. The top of the imaging end is provided with a display screen with a screen facing downward. A bracket is fixed on the bottom of the imaging end, two concave spherical reflecting mirrors are installed on the bracket, and the arc surfaces of the concave spherical reflecting mirrors are arranged upwards. Spectroscopes are arranged between the display screen and the concave spherical reflecting mirrors in an inclined way. The shield body part between the upper ends of the spectroscopes and the bracket forms a light transmission area. The spectroscopes are semi-transparent semi-reflecting surface reflector, and serve as light combiners to project virtual images to reality, thereby preventing images distortion. A human eye is placed in the light transmission area, and the virtual image and the reality image are captured through the light transmission area.

The invention relates to a no-thermalization wide-aperture objective lens optical system. The no-thermalization wide-aperture objective lens optical system successively comprises a first lens group with negative focal power, a second lens group with positive focal power, a diaphragm, a third lens group with positive focal power, and a fourth lens group with positive focal power from an object plane to an image plane. By adopting three groups of adhesive lenses and no-thermal-difference design, the high-definition imaging under a low illumination condition can be realized, the temperature compensation can also be realized, a ghost image is effectively inhibited, and the aberration such as spherical aberration and chromatic aberration are effectively corrected.

The invention discloses a frameless anti-dazzle rearview mirror. The rearview mirror comprises an absorption type polarizing layer, a liquid crystal dimming layer and a reflection type polarizing layer which are sequentially arranged from one side of an observer. The liquid crystal dimming layer comprises a first transparent substrate, a first transparent electrode, a first alignment layer, a liquid crystal layer, a second alignment layer, a second transparent electrode and a second transparent substrate which are arranged in sequence; the first transparent substrate is adjacent to the absorption type polarizing layer; the positions of the first transparent substrate and the second transparent substrate correspond to each other up and down; a step part exceeding the second transparent substrate is arranged at the edge of the first transparent substrate; and the frameless anti-dazzle rearview mirror further comprises an electrode connecting wire electrically connected with the first transparent electrode and the second transparent electrode, and the electrode connecting wire is located on the step part and fixed to the side, facing the second transparent substrate, of the first transparent substrate. The frameless anti-dazzle rearview mirror is free of double images, high in anti-dazzle speed and high in mirror surface utilization efficiency; and a manufacturing method is simple in process and low in production cost.

The invention discloses an automatic stamping device for an office. The automatic stamping device for the office comprises a support body used for stamping, the support body is internally in a semi-I shape, the bottom of the inner wall of the support body is used for placing paper to be stamped, a stamp is arranged on the top wall of the inner wall of the support body in a hung mode, a stretchable air pressure supporting column is arranged between the stamp and the support body, the stamp moves up and down in the support body through the air pressure supporting column, a movable inkpad roller part is arranged at a position, corresponding to the bottom of the upper position of the stamp, of the side portion of the support body, the inkpad roller part is hinged to the support body, and the inkpad roller part moves up and down along with the stamp to smear inkpad. By adopting the technical scheme, the working time and the paper cost are saved, and the automatic stamping device for the office is relatively environment-friendly, suitable for various different office places and high in use cost performance.

The invention provides a display data processing method. The method comprises steps as follows: display data to be processed is received; the received display data is analyzed to generate pixel data for display, and the pixel data is output; in a certain display cycle, a first cache unit is receiving one frame of output pixel data, and a second cache unit finishes the receiving of another frame of pixel data and is displaying the pixel data; and in the next display cycle, the second cache unit is receiving one frame of output pixel data, and the first cache unit finishes the receiving of another frame of pixel data and is displaying the pixel data. The invention also provides a display data processing system. By using the display data processing method and system, pixel data stored in the first cache unit and pixel data stored in the second cache unit are stored an displayed alternately; and data displayed in each cycle is complete data on the whole screen, thereby saving the data transmission time, and avoiding ghosting phenomena caused by overlapping with the next frame of data.