60results about How to "Improve visual resolution" patented technology

The invention discloses a self-adaptive high-resolution near-to-eye optical field display device on the basis of eye tracking. The self-adaptive high-resolution near-to-eye optical field display device comprises a beam splitter, a spatial light modulator array and backlight lighting equipment, wherein the beam splitter, the spatial light modulator array and the backlight lighting equipment are sequentially arranged in the line-of-sight direction of human eyes; the beam splitter is used for acquiring eye pupil position information; the spatial light modulator array is used for modulating transmittance of polarized light entering the human eyes; the backlight lighting equipment is used for providing backlight with uniform brightness for the spatial light modulator array. The invention also discloses a self-adaptive high-resolution near-to-eye optical field display method on the basis of eye tracking. According to the self-adaptive high-resolution near-to-eye optical field display method, a weighting function is set for each viewpoint and by utilizing a multi-viewpoint optical field global optimization method, redundant information of an edge view field is reduced and three-dimensional display visual resolution is improved; meanwhile, a human eye detection device is combined to acquire eye pupil positions in real time, optical field density is sampled and distributed again according to visual characteristics and by utilizing a single viewpoint optical field local optimization method, the computation burden of the optimization method is greatly reduced and self-adaptive high-resolution real-time three-dimensional display is realized.

The present invention discloses a polygon contour similarity detection method. The method comprises: removing an irregular part in figures; establishing a mathematical model of two figures, a complete vector set that describes the figures establishing a feature matrix corresponding to the figures, and calculating an included angle between two adjacent edges; calculating the shortest distance between the two figures; and performing enhanced processing on a calculating result. The polygon contour similarity detection method improves the visual discrimination effect of a machine on figure similarity, and is especially helpful in solving the problem that it is not easy for people to discriminate high-similarity figures; the figure detection effect has relatively high stability and reliability; and the detection time is short, the operation is efficient, and the effect implementation cost is low. According to the polygon contour similarity detection method, only the edges of the figures are inquired, thereby reducing data processing amount. According to the polygon contour similarity detection method, the feature matrix of the figures is constructed, appropriate determination criteria are selected, multi-time enhancement nonlinear transformation is performed on feature matrix elements, and a similarity standard is established by using a multi-value and multi-standard weighted average, so that an algorithm is efficient and has relatively high stability.

The invention discloses a four-color light-emitting diode (LED) display sub-pixel restructuring method, and relates to an LED display. A single-frame high-resolution original image is sampled into a multi-frame image suitable for a low-resolution LED display through a pixel sampling algorithm aiming at three different LED display pixel structures of vertical stripes of red, green, blue and white (RGBW), a chessboard structure and a grid, and the image is displayed on the LED display. The brightness value shared by the RGB is replaced with a white LED by transforming the RGB color components of the separated low-resolution image into the luminance components of RGBW LED. The traditional pixel of the LED display is divided into single LED by using an LED display pixel restructuring technology, and adjacent LEDs of different pixels are restructured to form a new visual pixel. One-one mapping is carried out to each low-resolution image and the pixels of the LED with sub-pixels restructured, and the multi-frame low-resolution image is displayed in a mode of time division multiplexing.

The invention discloses a three-dimensional display method and a three-dimensional display device which belong to the technical field of display. The three-dimensional display device comprises a pixels array and a raster, and odd number of columns and even number of columns are mismatched by a preset length in longitudinal direction. The three-dimensional display method comprises the following steps: obtaining original brightness values of sub pixels of various colors of pixels in an original signal of a to-be-displayed image; determining the compensation pixel of each sub pixel, wherein part of compensation pixels corresponding to the sub pixel are positioned in columns where the sub pixels are located; part of compensation pixels are positioned in adjacent columns of the columns where the sub pixels are located; for the sub pixels of the pixel arrays, calculating target brightness values of sub pixels according to original brightness values and occupied weight of compensation sub pixels with the same color as the sub pixels in the compensation pixels corresponding to the sub pixels; and displaying the to-be-displayed images according to target brightness values of the sub pixels of the pixel arrays and dividing the displayed image to two views through the raster. By utilizing the three-dimensional display method and the three-dimensional display device, PPI of the image is improved, and the three-dimensional display effect of the image is improved.

The invention provides a microcapsule. The microcapsule is of a double-layered structure. The material of an inner capsule wall is polyurethane resin. The material of an outer capsule wall is urea resin. A fluorescent pigment and an epoxy reparation agent are wrapped in the capsule walls. The microcapsule created by the invention has good compatibility with an epoxy matrix. The microcapsule is fractured under the effect of external stress to release reparation monomers for reparation, and meanwhile, the positions and conditions of damage occurring parts can be hinted through colour changes.

The invention discloses a pixel array and a drive method thereof and a display panel. The pixel array comprises X lines and Y rows of sub-pixel periods, and each sub-pixel period comprises two or three same color actual sub-pixels arrayed next to each other; all actual sub-pixels of each sub-pixel period can be turned on at the same time, and each actual sub-pixel of each sub-pixel period can be turned on alone, wherein X and Y are natural numbers. The drive method is a drive method for the pixel array, and the display panel is a display panel comprising the pixel array. By adopting the pixel array and the drive method thereof disclosed by the invention, the types of vision resolution of the display panel comprising the pixel array are enabled to be two.

The invention belongs to the technical field of image processing and discloses an image segmentation method of field crop weeds. The image data of the field crop weeds is collected by an image acquisition module using a camera. The main control module enhances image definition by image processing software through image enhancement module. The weed image is recognized by using the depth stack network model through the image recognition module. A feature extraction module extracts and segments the weed image data according to the identification content by using the image processing software; Thewarning module uses the warning device to warn according to the extracted weed data; Storing the collected weed image data through a data storage module by using a memory; And the weed image data isdisplayed by the display module. Deep-stacking network adopt by that image recognition module of the invention not only has strong feature expression and classification ability, but also reduces traintime and recognition time, and enhances robustness of weed recognition.

The invention discloses a vision training method for improving visual ability on the basis of dynamic brain fitness. The method comprises at least one of three-character vision training, de-crowding vision training, word selection vision training, gazing vision training, rapid-sequence visual presentation training and contrast sensitivity training. The three-character vision training can improve the peripheral vision identification ability of a tested person; the de-crowding vision training can reduce the crowding phenomenon of the peripheral vision field of the tested person and increase theimage processing speed of the eyes and brain; the word selection vision training can improve the ability of the eyes and brain of the tested person to select and response to effective Chinese characters; the gazing vision training can alleviate the crowding phenomenon of the peripheral visual field of the tested person and improve the visual identification ability; the rapid-sequence visual presentation training can strengthen the visual cohesion of the tested person so as to increase the reading speed of the eyes of the tested person; the contrast sensitivity training can improve the visual resolution of the tested person. Therefore, the visual comprehensive ability of the tested person can be effectively and integrally developed by means of the method.

The invention belongs to the technical field of interior decoration, A novel method for intelligent design of indoor decoration is disclosed, the method comprise steh following steps: First of all, get the vectors, Getting information about enclosed rooms and functional areas, Then, according to the experience rules of home decoration design, Combined with the information of each functional area and/or the user's demand investigation information, cutting and packing the base material according to the sequence, organizing the finishing material according to the setting-out and enlarged sample specifications, organizing and installing the base material handling site according to the sequence, arranging the finishing material on the site according to the sequence, and completing installationaccording to the sequence number. The invention solves the problem that the decoration has no dry sound pollution, does not produce a large amount of decoration garbage, is free from dirt and chaos, and is convenient for the finished product protection of the decoration achievement; Indoor decoration method with safe and environmental protection quick operation, reduce the loss of base course anddecoration material, and improve the utilization rate of raw materials; At that same time, the invention can meet the shape, the size structure and the requirement of the individualized house type andrealize the design work automatically.

Disclosed is a computing method of a pixel arraying structure for improving visual resolution. The computing method includes the steps: connecting middle points of neighboring physical pixels different in color with straight lines so as to allow all the middle points of the abstract pixels to fall on a grid formed by the straight lines; extracting physical pixel Xs, in any color, with the middle points D of the same falling on the grid, taking a middle point D of an any pixel as a center pixel, and searching a most widespread polygon formed by the middle point Ds of the other pixels around the middle point D; defining an average value of the distance from advantaged pixels to the center pixels and naming the average value as visual resolution (VR). The invention further provides a pixel array structure obtained by the above computing method. By the pixel arraying structure, image resolution synthesized by a display is greatly improved, and a sensory effect of human eyes upon the display is improved. Meanwhile, image brightness of the display is uniform, and intense stimulation and damage to the human eyes are avoided.

The invention provides an image display method and device, and triangular-type arrangement display equipment, relates to the technical field of display, and solves a problem that conventional triangular-type arrangement display equipment is not high in image display precision. The method is used for the triangular-type arrangement display equipment, and the triangular-type arrangement display equipment comprises M*N second pixels which are arranged in an M*N array. The method comprises the steps: obtaining the initial data of an image, wherein the initial data comprises the brightness information of aM*bN first pixels which are arranged in an aM*bN array (a not less than 1, b not less than 1, and a*b not equal to 1); arranging the first pixels in a linear manner, wherein the first pixels at least comprise sub-pixels comprising three different colors RGB; enabling the initial data of the image to be converted into display data, wherein the display data comprises the brightness information of M*N second pixels, and the second pixels at least comprise all sub-pixels in the first pixels; and displaying the image according to the display data.

The invention belongs to the field of face identification technology, and discloses a face identification method suitable for psychology. The method comprises the steps of performing image acquisitionfor obtaining a high-definition image; performing identification on the high-definition image and performing segmentation for obtaining a face image; processing the face image which is segmented by asegmenting module; generating a to-be-identified characteristic vector of a face detail characteristic; pre-storing the characteristic vector of a known face through a face characteristic database module; performing matching calculation on the output to-be-identified characteristic vector with all characteristic vectors in the characteristic database, and outputting an identity result which corresponds with the to-be-identified characteristic vector; displaying acquired image information and matching result information. According to the method of the invention, the face characteristic database is constructed through the face characteristic database module; quick matching is performed through a characteristic matching module, thereby realizing real-time identification to identity of the to-be-identified face image on a system with limited calculating resource, and realizing short time consumption and high accuracy.

The invention belongs to the technical field of face recognition, and discloses a face recognition system and method based on video multi-frame face feature fusion, and the method comprises the steps:employing a camera of a specific bilateral filter to collect face video data; enhancing the face video data by using video processing software; extracting multiple frames of face feature elements from a face video by utilizing an extraction program, carrying out fusion operation on the multiple frames of face features by using a SMART-PN fusion algorithm; utilizing an identification program to identify the face features by adopting an ultrahigh frequency radio frequency identification technology; storing the acquired face video data by using a memory; and displaying the acquired face video data by using a display. The accuracy of face recognition can be improved; through data comparison processing of the three features of the face mouth, the eyes and the eyebrows, the recognition processing speed is increased.

The invention belongs to the technical field of spontaneous delivery assistance, and discloses an obstetric clinical spontaneous delivery assistance device, a control method thereof, and a computer program. The obstetric clinical spontaneous delivery assistance device includes an antenatal care module, an electronic antenatal care table generation module, a main control module, an angle adjustingmodule, a massage module, an air purifying module, a thermal insulation module and a virtual training module. The obstetric clinical spontaneous delivery assistance device can automatically generate an electronic antenatal care table through the electronic antenatal care table generation module, thus improving the readability of the antenatal care table and improving the diagnostic accuracy and the traceability of the medical record, and at the same time, performs high simulation operation on the whole process through the virtual training module, including real ultrasound images, simulation ofrespiratory motion and real tactile response, thus being effectively able to be applied for teaching, training and operational evaluation of ultrasound without any risk to the patient, and being verysuitable for hospital teaching and training.

The invention belongs to the technical field of mechanical manufacturing, and discloses a mechanical manufacturing display auxiliary system. The mechanical manufacturing display auxiliary system comprises a scanning module, a parameter configuration module, an operation input module, a main control module, a structure identification module, a lighting module, a three-dimensional model constructionmodule, a data storage module and a three-dimensional projection module. The system of the invention realizes the real-time automatic point cloud registration by using a function interface provided by Microsoft KinectFusion through a three-dimensional model construction module, greatly shortens modeling time, and finally the precision of the obtained model can meet general requirements. At the same time, the process of constructing three-dimensional projection image by three-dimensional projection module and the process of outputting three-dimensional projection image can be carried out simultaneously and in real time, and the redundant data access is reduced by line buffer segmentation, so that the three-dimensional projection efficiency is improved, the mechanical manufacturing productsare displayed more intuitively and stereoscopically, and the display effect is good.

The invention belongs to the technical field of coordinate measurement, and discloses an indirect method and control system for coordinate measurement. The control system for coordinate measurement comprises a camera module, a target location module, a master control module, a laser measurement module, a data transmission module, a big data calculation module, a data storage module and a display module. Through the laser measurement module, image information after multiple times of reflection is acquired, so that light paths between a camera and laser rays are longer, and a lens with a greaterfocal length and smaller distortion can be selected under the same condition, and benefit is brought to improve the measurement precision; and meanwhile, through the big data calculation module, a measurement coordinate is calculated by utilizing a big data source in a cloud server set, so that the coordinate calculation speed is greatly improved and the measurement efficiency is improved.

A liquid crystal display panel comprises an array substrate, a plurality of data lines arranged on the array substrate, a plurality of scanning lines and a plurality of pixel units, wherein the data lines and the scanning lines are arranged in a staggering mode to form the pixel units; each pixel unit at least comprises one pixel structure, the pixel brightness of different pixel structures is different, and human eyes can feel brighter display of a bright part and darker display of a dark part by utilizing a Mach-Band effect; beneficial effects are as follows: compared with the prior art, theinvention provides the liquid crystal display panel; An ITO pixel structure on the array substrate is divided into a first ITO pixel structure and a second ITO pixel structure, the first ITO pixel structure and the second ITO pixel structure are different in areas, sizes and shapes. By changing the shape, the angle, the width or the density of the second ITO pixel structure and utilizing the Mach-Band effect, the visual resolution of human eyes is improved, so that when the display panel changes from high brightness to low brightness, the contrast sensed by the human eyes is higher than the actual contrast.