88results about How to "Same resolution" patented technology

The invention provides an unsupervised domain-adaptive brain tumor semantic segmentation method based on deep adversarial learning. The method comprises the steps of deep coding-decoding full-convolution network segmentation system model setup, domain discriminator network model setup, segmentation system pre-training and parameter optimization, adversarial training and target domain feature extractor parameter optimization and target domain MRI brain tumor automatic semantic segmentation. According to the method, high-level semantic features and low-level detailed features are utilized to jointly predict pixel tags by the adoption of a deep coding-decoding full-convolution network modeling segmentation system, a domain discriminator network is adopted to guide a segmentation model to learn domain-invariable features and a strong generalization segmentation function through adversarial learning, a data distribution difference between a source domain and a target domain is minimized indirectly, and a learned segmentation system has the same segmentation precision in the target domain as in the source domain. Therefore, the cross-domain generalization performance of the MRI brain tumor full-automatic semantic segmentation method is improved, and unsupervised cross-domain adaptive MRI brain tumor precise segmentation is realized.

An angle absolute encoder comprises an encoded code rod that has code marks, such as pairs of fine code lines and coarse code lines. Light is reflected from or transmitted through the code marks and detected by a light detector to determine absolute angle position.

A process for forming a three-dimensional article by stereolithography, said process comprising the steps: 1) coating a thin layer of a liquid radiation-curable composition onto a surface said composition including at least one filler comprising silica-type nano-particles suspended in the radiation-curable composition: 2) exposing said thin layer imagewise to actinic radiation to form an imaged cross-section, wherein the radiation is of sufficient intensity to cause substantial curing of the thin layer in the exposed areas; 3) coating a thin layer of the composition onto the previously exposed imaged cross-section; 4) exposing said thin layer from step (3) imagewise to actinic radiation to form an additional imaged cross-section, wherein the radiation is of sufficient intensity to cause substantial curing of the thin layer in the exposed areas and to cause adhesion to the previously exposed imaged cross-section; 5) repeating steps (3) and (4) a sufficient number of times in order to build up the three-dimensional article.

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and aims to improve the image quality and reduce the data line load difference. The display panel comprises a display area, the display area comprises a first semi-transparent area, a first display area and a second semi-transparent area which are arranged in the first direction, and the first semi-transparent area and / or the second semi-transparent area are / is far away from the second display area on one side of the first display area; the sub-pixels comprise light-emitting sub-pixels and compensation sub-pixels located in the first display area, the density of the sub-pixels in the first semi-transparent area and the second semi-transparent area is smaller than that of the sub-pixels in the second display area, and the density of the light-emitting sub-pixels in the first display area, the density of the light-emitting sub-pixels in the first semi-transparent areaand the density of the light-emitting sub-pixels are the same; wherein the first display area comprises a first pixel column, the second display area comprises a second pixel column, the first data line penetrates through the first pixel column, and the second data line penetrates through the second pixel column; wherein the first pixel column comprises n1 sub-pixels, the second pixel column comprises n2 sub-pixels, n1=K*n2, and K is greater than or equal to 0.99 and less than or equal to 1.01.

An image processing apparatus and a recording medium which can improve the quality of a color document image are provided. An input image is converted into an image having low resolution. A subtractive color image is generated using the converted image having low resolution. From the subtractive color image, adjacent pixels which are allocated to the same representative color are unified so as to extract an FCR (Flat Color Region) candidate region. A region candidate is redetermined using an image having resolution which is higher than the subtractive color image. Next, a boundary of the FCR is detected and an ultimate FCR is determined. Selection of a representative color of the determined FCR is carried out, and a specific color processing which replaces a color which is close to a pure color with the pure color is effected. Finally, image regeneration is carried out by overwriting and drawing (synthesizing) the FCR on the input image.

The invention provides a method and a system for removing video jitter. The method comprises the following steps: 1. registering the current image frame in a video opposite to the adjacent image frame thereof; 2. accumulating trajectory information of the jitter generated in registration, and jittering the generated motion trail smoothly; and registering the current image frame in a direction opposite to the motion trail; 3. filling a blank area generated at the edge of the current image frame by an image frame adjacent to the current image frame; and 4. jumping to the next image frame of the current image frame, returning to the first step until all the image frames in the video are completely processed. The method and the system of the invention has quicker processing speed, is unrelated to the contrast ratio of the image, has relatively higher registering precision, ensures that the filled image has good continuity and consistency at the edge, and reduces trails of manual handling.

An angle absolute encoder comprises an encoded code rod that has code marks, such as pairs of fine code lines and coarse code lines. Light is reflected from or transmitted through the code marks and detected by a light detector to determine absolute angle position.

The invention discloses a microphone array and a method for realizing the speech signal enhancement and is characterized in that firstly N matrix elements with factors in the same unit direction are uniformly and radially arranged outward on a circle with the radius of R; a circular array with radian ranges of 2Pi for receiving and treating signals is formed; or the matrix elements are uniformly and radially arranged outward on a passage of circular arc with the radius of R and a central angle of Phi to form part of a circular array for receiving and treating signals with the radian ranges of Phi; the weighted value of each matrix element and weighted vector corresponding with the incident direction in the radian ranges of 2Pi / N are calculated according to the center frequencies of audio signals of the array to be treated based on the expected signal doa; then weighted vectors of the whole circular array or part of the circular array or other incident directions is obtained by making use of cyclic shifting; finally, signals received on each matrix element are weighted and combined according to calculated weighted values.

A touch panel comprises a substrate, a touch sensing layer and a transparent cover plate. The touch sensing layer is disposed on the substrate. The transparent cover plate is of different thicknesses and is disposed on the touch sensing layer. The touch sensing layer comprises a plurality of touch units; each touch unit corresponds to single thickness of the transparent cover plate; according to the single thickness of the transparent cover plate, area of each touch unit and spacing between the touch unit and the adjacent one are set.

The invention provides a human and scene image synthesis method based on rotary camera lens photographing. The method includes the steps that a rotary camera lens is set to be in a front preview state, a self-photographing image is obtained in the preview state and a figure image is extracted; the rotary camera lens is set to be in a rear photographing state and photographs a scene image; the figure image and the scene image are synthesized to obtain a human and scene synthesis image. The invention further provides a human and scene image synthesis system based on rotary camera lens photographing. Due to the fact that the synthesized images are photographed through the same camera lens, image resolutions are the same, so that synthesis efficiency can be improved, the phenomenon that the human and scene synthesis image is distorted after figures are processed is avoided, and the synthesis effect is improved.

The invention discloses a multi-vision angle LCD and driving method thereof, wherein, the multi-vision angle LCD allows different users to respectively watch different images from different view angles. The multi-vision angle LCD includes a liquid crystal display board, a first backlight module and a second backlight module. The first backlight module is provided beneath the liquid crystal display board, the second backlight module is provided between the first backlight module and the liquid crystal display board , wherein, the first backlight module provides a first surface light source, the second backlight module provides a second surface light source, an angle alpha is between the transfer direction of the first surface light source and the transfer direction of the second surface light source, and the angle alpha is from 6 degree to 176 degree. Therefore, when the different users watch different images displayed by the multi-vision angle LCD from different view angles, the resolution factor of these images is identical to that of the liquid crystal display board.

Provided are an image projection system and method, the image projection system including: a light source for providing illumination light; an illumination optics for receiving and illuminating the illumination light; a Spatial Light Modulator (SLM) having 2 rows of modulation devices formed to be offset from each other, each of the modulation devices modulating the light illuminated from the illumination optics; a frame scanner for scanning the modulated light from the SLM onto a screen to thereby generate a two-dimensional (2D) image corresponding to one frame on the screen; and a projection optics for projecting and focusing the modulated light transmitted from the frame scanner onto the screen.

Provided is a manufacturing method of cold-rolled SUS304 two-sided bright-annealed (BA) surface stainless steel. The manufacturing method comprises the steps that a black rust hot roll is subjected toannealing and acid pickling; a multi-roller rolling machine carries out rough rolling, specifically, the reduction rate of rough rolling is controlled to be 10%-30%; a plurality of grinding racks areadopted to grind the upper surface and the lower surface of a rough-rolled steel plate; the multi-roller rolling machine carries out finish rolling, specifically, the steel plate is rolled to have the needed thickness; bright annealing is carried out under the whole hydrogen protective atmosphere, specifically, the annealing temperature is 1020-1140 DEG C; and after annealing under the whole hydrogen protective atmosphere is completed, modulation treatment is carried out through a leveling roller, the plate shape is adjusted, and surface glossiness of the product is improved. According to themanufacturing method, the process is reasonable, fine surface quality of the SUS304 BA product is ensured through range control of shot blasting process parameters, the ratio of abrasive belts of thegrinding process and surface control over the rollers of the rolling machine; it is ensured that the obverse side and the reverse side of the steel plate have the coincident resolution by carrying out rough grinding and finish rolling on the both sides; scratch defects of the reverse side are controlled through selection or protection of a plate shape roll of the rolling machine; and as for the prepared two-sided BA surface stainless steel, the obverse side and the reverse side have less defects and the coincident glossiness, and the two-sided BA surface stainless steel has broad applicationprospects.

The embodiment of the invention discloses two-dimension code generation method, a two-dimension use method, a two-dimension code generator and user equipment. Relatively small two-dimension codes with same contents and resolution ratios can be obtained. The use method disclosed by the embodiment of the invention comprises the following steps: obtaining a target URL (uniform resource locator); converting the target URL into a short link URL; converting the short link URL into the two-dimension codes. According to the method disclosed by the embodiment of the invention, the relatively small two-dimension codes with the same contents and resolution ratios can be generated.

A high-resolution fiber laser sensor for measuring a quantity to be measured M has a pumping light source, a fiber laser and a detection / evaluating unit. The fiber laser has: a birefringent first end reflector, a second end reflector, a laser-amplifying fiber, a sensor fiber and a mode coupling. The laser-amplifying fiber, the sensor fiber and the mode coupling are arranged between the end reflectors. In the fiber laser, light is capable of propagating in two optical states which are orthogonal to one another due to their polarization and / or their transversal space structure. The orthogonal optical states can be coupled to one another by the mode coupling. In the fiber laser, a number of longitudinal modes are capable of oscillating in each of the two optical states. In the sensor fiber a change in the birefringence for the two orthogonal optical states can be achieved by interaction of the quantity to be measured with the sensor fiber.

The present invention discloses a display panel. The display panel comprises a bending region and a non-bending region connected with the bending region, and the display panel further comprises an array substrate. The array substrate comprises: a plurality of first pixel regions which are mutually arranged in parallel in multiple lines and arranged in the bending region; a plurality of second pixel regions which are mutually arranged in parallel in multiple lines and arranged in the non-bending region; and a plurality of flexible connection regions configured to connect with adjacent first pixel regions and connect with the first pixel regions and the second pixel regions, wherein each flexible connection region is internally provided with a slot, and each slot is filled with an organic photoresist layer. According to the invention, the slots are arranged in the flexible connection regions of the bending region to form an inorganic layer slot between two adjacent lines of pixel regionsin the bending region to separate from each two lines of pixel regions, and the slots are filled with the organic photoresist layers so as to effectively relieve the stress of each inorganic layer ormetal wiring corresponding in the display panel, especially in the array substrate.

The invention discloses a display with screen video recording function. The display comprises a display screen, display screen inner and outer frames, a display control input module, a display main board, and a video interface, an image processor and a microcomputer integrated on the main board of the display, human-computer interactions are completed by the connection of the display control input module through an internal electric wire with the microcomputer on the main board of the display; the display with screen video recording function is characterized by comprising further a multi-path drive split-screen module, an audio and video coding module, a voice input module, a proximal storage module and a distal transport module integrated on the main board of the display. The display with screen video recording function has the advantages that the screen recording function is achieved by the use of a hardware chip module, in comparison with the traditional screen recorder software, the display has the advantages of stability, energy conservation, high efficiency and the like, what you see is what you record, the screen resolution and the refresh rate of the screen are exactly the same as the video quality of the screen; the screen recording can be saved in the local external storage devices, saving and direct decoded broadcast can be done through internet remote communications.

A display device with double surface display function consists of front light component which a light guide plate and a light source being set at one end of light guide plate, colour filter on light guide plate, optical polarization film in between front light component and colour filter, transparent panel in between colour filter and transparent-reflecting polarization film.

Provided is a method for obtaining remote-sensing images by a same-sortie variable-flight-height unmanned aerial vehicle. The method comprises an unmanned aerial vehicle body, an unmanned aerial vehicle flight height control module and aerial photography equipment carried by the unmanned aerial vehicle body. The method is characterized in that in the flying process of the unmanned aerial vehicle, the flight height of the unmanned aerial vehicle is dynamically adjusted according to changes of heights of terrains. The method has the advantages that under the condition that the take-off and landing times are reduced, the situation that the ground resolution of the images is in a good state is effectively guaranteed, meanwhile, consistency of the ground resolution of the different images is good, and processing difficulty of the images in the later period is reduced.

The invention provides a target classification method based on multi-modal data characteristics. The method comprises the following steps: collecting laser radar point cloud data and RGB image data; acquiring a plurality of features of the laser radar point cloud data; obtaining a plurality of laser radar feature maps according to the plurality of features; performing up-sampling and densificationon the laser radar feature map; acquiring three-channel data of the laser radar feature map, and fusing the three-channel data with the RGB image data to form six-channel data; and training the six-channel data by adopting a deep learning network model to obtain a classification result. According to the invention, three features obtained from a laser radar are used as three-channel data and are fused with three-channel data of an RGB image to form six-channel data; six-channel data are trained by using a deep learning network model, a plurality of different probabilities can be obtained for each target after training, and a numerical value with the maximum probability is selected from the plurality of probabilities to serve as a final target classification result, so that the target can be detected more accurately, and the accuracy is higher.

The embodiment of the invention provides a display panel and a display device. A display area of the display panel comprises a first display area and a second display area. The display panel comprisesa substrate, a display layer, a state switching layer, an optical element and a light homogenizing structure layer. The display layer comprises a pixel definition layer and a plurality of light-emitting devices. A first light-emitting device located in the first display area comprises a first anode, a second light-emitting device located in the second display area comprises a second anode, and the light transmittance of the first anode is larger than that of the second anode. The state switching layer is located on the side, away from the display surface of the display panel, of the display layer, the state switching layer is overlapped with the first light-emitting device, and the light transmittance of the state switching layer in a first state is smaller than that of the state switching layer in a second state. The optical element is located on the side, away from the display layer, of the state switching layer. The light homogenizing structure layer is located between the state switching layer and the optical element and used for diverging light emitted by the state switching layer. The quantity of light received by the optical element can be improved, the problem that the light quantity is uneven after light penetrates through the first display area is solved, and the imaging quality is improved.

The invention discloses a large view field push-broom constant ground element remote sensing camera system. The system comprises the following parts: a large view field camera is formed by splicing five sub-cameras, each sub-camera has the same view field and different instantaneous view field, and the instantaneous view field of each sub-camera changes with the field angle, wherein the sub-camera C images a sub-satellite point, the sub-camera A and E, B and D are respectively symmetrically arranged on two sides of the sub-camera C, the sub-camera A and E are formed by a zoom optical system and a CCD detector with a constant pixel size, and the sub-camera B, C and D are formed by a fixed focus optical system and a CCD detector with pixel in gradually varied size. The advantages of the camera system comprises: the camera has large view field, the ground coverage area is wide, and the ground resolution is constant and consistent in whole view field range.

The invention relates to the field of machine vision technology, in particular to a surface quality detection device and method for tubes, rods and wire rod products in the iron and steel industry without tension constraint. The visual detection device for wire rods without tension constraint includes a plurality of cameras (1) mounted on a sliding guide rail (3), the sliding guide rail (3) is fixed on a fixed plate (4) and is circumferentially distributed along the periphery of a hollow guide slot (2), when a detected wire rod (5) passes through the hollow guide slot, the cameras image the outer surface of the wire rod, the imaging distances between the cameras and the detected wire rod are equal; and when the wire rod specification changes, cameras perform position adjustment along the sliding guide rail to keep the imaging distances between the cameras and the detected wire rod equal. The device and the method provided by the invention can realize automatic adjustment of camera imaging distance so as to achieve focusing, thus ensuring clear imaging of the detection system under the circumstance of constant resolution.

A single-panel color image display apparatus realizing a wide color gamut includes a light source, a colored light separator, and a light valve. The colored light separator has four or more dichroic filters of reflective type which separate a light emitted from the light source according to a wavelength. The light valve controls the light that is emitted from the light source and separated by the colored light separator according to color, on a pixel-by-pixel basis according to an input image signal, and forms a color image. By performing color scrolling using a scrolling unit having a spiral array of lens cells, the same resolution as that obtained when using a color wheel can be realized and the same light efficiency as that obtained when using a three-panel color image display apparatus can be realized.

The invention discloses a segmented encoding dual-core synchronous magnetic resonance imaging method. The segmented encoding dual-core synchronous magnetic resonance imaging method comprises the stepsthat an inspection region, a layer thickness and a sampling matrix are set; in a phase-encoding gradient channel GP, a first phase-encoding gradient is first applied, a second phase-encoding gradientis applied after the acquisition of a nuclear 2 magnetic resonance signal is completed, the intensity of the first phase of the phase-encoding gradient is the phase-encoding gradient array multipliedby gamma1 / gamma2, the intensity of the second phase-encoding gradient is |1-gamma1 / gamma2|*Gp, and if gamma1 is greater than gamma2, the second phase-encoding gradient is applied in the opposite direction; otherwise the second phase-encoding gradient is applied in the same direction as the first phase-encoding gradient. The reconstructed images of the two nuclides have the same resolution and one-to-one correspondence of pixel positions. The accurate registration of different nuclide images obtained by simultaneous imaging of the two nuclides is realized, and the problems of different nuclidelayer thicknesses and large differences in FOV are solved.

The invention discloses a method for computing the significance degree of pixels in an image. Aiming at each pixel in the image, a group of adjacent areas in a multi-scale range are designed; by adopting the L*a*b* color characteristics, pixels, which have characteristic difference from the pixel, in each adjacent area are respectively computed; and the number proportion of the pixels with the difference in each adjacent area is taken as the significance degree of the pixel. The multi-scale computation of the pixels is taken into consideration, and the method has the advantages of simple computation and easy implementation. The obtained image significance degree distribution map has the same resolution with the original image, and has more reasonability in visual sense, so the input with good robustness is provided for the significance degree-based computational vision application.

The invention provides a near-to-eye display optical system, relates to the field of optical engineering, and solves the problems of small field angle, small exit pupil diameter and cumbersome systemof the existing AR glasses. The near-to-eye display optical system comprises a display system and a spherical reflecting lens. The spherical reflecting lens is provided with two surfaces, the first surface is a partial reflecting surface, and the second surface is a transmission surface; the display system is placed in front of the pupil and located on the focal plane of the spherical reflecting lens, and the sphere centers of the display system and the spherical reflecting lens are both located within the range of 1 cm from the center of the pupil; the display system comprises linear array display pixels pasted on a transparent substrate, a substrate extension part on the outer edge of the transparent substrate, an outer frame, a driving system and an electronic control system. The driving system comprises a driven gear, a driving gear, a rotary bearing and a motor. A large field angle, a large exit pupil diameter and high resolution can be realized, and the glasses are light, easy tomanufacture, low in cost, easy to realize, stable in component fixation and structure and free of stray light interference.

The invention relates to a concave-surface image sensor, wherein a semiconductor concave surface is arranged on a semiconductor substrate, pixels are uniformly arranged on the semiconductor concave surface, and the ray reflected on a subject is imaged on the pixels through a convex lens or a pinhole. In the invention, the pixel arrangement of a traditional CCD (Charge-Coupled Device) image sensor and an MOS (Metal Oxide Semiconductor) image sensor is adjusted, and the pixels originally arranged on a plane are changed to be arranged on a concave surface, so that the resolutions of any parts at a unit angle of a shot scenery photo are all the same, the shot pictures are not dislocated when being spliced, the spliced panoramic picture is not dislocated when being seen from the front, rear, left, right, upper and lower directions, and the concave-surface image sensor is particularly suitable for being applied to street-scene views similar to Google Earth.

The invention relates to a display system which image in the sight of bare eye is tridimensional. This invention includes a display. It is characterized in that it has a prominentia raster slice on the surface of the invention. This invention uses a set of oblique arranged prominentia lens array, through the refraction in horizontal direction, offers different perspective image to each eye. In this way, it can present clear tridimensional image, wipe off 70% Moore veins and angle of sight can be enlarged to 120degree,besides, the resolution factor in the direction of X and Y is quite equal. Excellence of this invention are that it can make people looking at three-dimension images without glasses and definition of images can be at least 1000 as well as extensive angle of view, many clear spots, stable brightness, and so on.

The invention discloses a modulation spectrum fast zoom method based on FFT. The method comprises the following steps that (1) sampling frequency is preliminarily determined by the analysis frequency range; (2) observation window width is set so that the expected number of sampling data are obtained; (3) the data are grouped so that the actual number of the sampling data are obtained; (4) the sampling frequency is adjusted so that the observation window is enabled to be corresponding to the analysis frequency range; (5) the data are sampled and grouped FFT is performed; and (6) an initial spectral line is computed and zoom spectrum is obtained. The method has the following beneficial effects and advantages that 1. resolution for the fine structure of the modulation spectrum is enabled to be consistent with that of direct FFT and higher than that of ZFFT by adopting the algorithm based on combination of direct FFT and any base FFT; and 2. computing speed of the method is higher than that of direct FFT and ZFFT for more than 2 times and can be enhanced to be more than 4 times of computing speed of direct FFT by reasonably selecting the observation window width 2M, the half bandwidth expansion coefficient alpha or the sampling coefficient beta according to different application requirements.