44results about How to "Improve stereo display effect" patented technology

The invention relates to a liquid crystal display device which comprises a display module and a driving circuit module, wherein the display module comprises a backlight source, a liquid crystal panel and a controllable light valve; the driving circuit module comprises a backlight driving circuit, a light valve driving circuit and a control circuit; the backlight driving circuit is used for supplying voltage to the backlight source to drive the backlight source to emit light; the light valve driving circuit is used for controlling the controllable light valve under the action of a display status switching signal, so that the liquid crystal display device can be switched to the corresponding display status; and the control circuit receives the display status switching signal and controls the backlight driving circuit according to the display status switching signal to adjust the brightness of the backlight source.

The invention relates to a method for correcting multi-anaglyph color cast, comprising the steps of firstly selecting an image with true color from a plurality of anaglyphs as a standard image, then performing color space conversion from RGB to YUV on the standard anaglyph and the color-cast anaglyphs, obtaining the true color gray values of the to-be-corrected color-cast anaglyphs in the YUV color space according to three color correction coefficients K, K and K of all pixels of the color-cast anaglyphs in the YUV color space, and finally converting the obtained true color gray values from the YUV to the RGB color space, so as to realize the correction of a plurality of color-cast anaglyphs. The invention is capable of realizing color-case correction of a plurality of anaglyphs before synthesizing a stereo image and improving the effect of a free stereo display. The method is simple and feasible.

An autostereoscopic display includes a plurality of micro-projection modules, wherein each of the micro-projection modules projects a sectional image of a 3-D image formed by combining a plurality of images in different viewing-angles. The autostereoscopic display further includes a viewing zone modulating screen having a plurality of image regions for respectively receiving the corresponding sectional images to form a plurality of images corresponding to different viewing-angles, wherein two images belonging to different viewing-angles establish a stereo display image.

The invention provides a display correcting method and a display correcting device for naked-eye stereo display equipment. The display correcting method comprises the following steps: acquiring a first predetermined image displayed by the naked-eye stereo display equipment according to preset image arrangement parameters; according to the first predetermined image, acquiring actual image attributes of the first predetermined image; according to the preset image arrangement parameters and the actual image attributes of the first predetermined image, acquiring first correcting parameters; storing the first correcting parameters, and performing naked-eye stereo display by the naked-eye stereo display equipment according to the first correcting parameters. An error appearing in the production process of a display device of the naked-eye stereo display equipment is detected, the correcting parameters are stored, and during the follow-up naked-eye stereo display, display is corrected according to the correcting parameters, so that the display equipment displays a standard image and a stereo display effect is ensured; the display correcting method provided by the invention is applicable to different display equipment; With the display correcting method, the correcting process is simplified and the design cost is saved.

The invention provides a three-dimensional display device and a display control method thereof. A plurality of back light units are controlled to be simultaneously opened when the back light units receive a drive signal of a frame in a display area which is on the lowest side and a liquid crystal in the display area on the lowest side completely reacts, and each of the back light units is closed when each of the back light units starts to receive a drive signal of another frame in a corresponding display area. The brightness of each display area is controlled through a drive current of each of the back light units which the display areas correspond to. By means of the three-dimensional display device and the display control method thereof, picturecrosstalk generated by the three-dimensional display device can be reduced, ghost shadows are reduced, the three-dimensional display effect is improved, and the experiencing effect of a user is promoted.

The invention relates to a method for three-dimensionally rendering scene, a graphic image treatment device, equipment and system; the method comprises the following steps of: calculating the depth parameter related to the distance of the scene to be rendered between the scene and the camera and the scene scale parameter of the scene to be rendered; confirming the zero parallax surface depths of the first camera and the second camera according to the depth parameter related to the distance of the scene to be rendered between the scene and the camera and the scene scale parameter; rendering the scene to be rendered by using the first and the second cameras based on the confirmed zero parallax surface depths. Correspondingly, the graphic image treatment device comprises a scene analyzing module, a parameter confirming module and a three-dimensional rendering module; the graphic image treatment device can be used in mobile terminal, computer system and image obtaining equipment. Through the invention, the three-dimensionally rendered image has better three-dimensional display effect.

The invention provides a stereoscopic display device and method, and belongs to the technical field of stereoscopic display. The method comprises a tracking step in which position information of a target object is tracked, and a display step in which a stereoscopic image is displayed according to the position information. The tracking step further comprises the following steps that S11) more than three marking points are arranged in corresponding to the spatial position of the target object; S12) position information of the marking points is obtained; and S13) according to the inclination angle of the target object relative to the horizontal surface, the position information of the marking points is corrected. The stereoscopic display device and method have the advantages the tracking position is more accurate and a display effect is better compared with tracking by human eyes.

The invention belongs to the field of three-dimensional image processing, and provides a depth perception enhancing method for virtual multi-view drawing according to a human eye visual depth perception principle; the depth perception enhancing method for virtual multi-view drawing is realized by adjusting a disparity map; and thus, the purpose of improving the stereo display effect is achieved. The technical scheme provided by the invention is as follows: the depth perception enhancing method for virtual multi-view drawing comprises the following steps: (1), segmenting an image; (2), deducing a just-noticeable depth difference model for virtual multi-view drawing; (3), performing depth perception enhancing for virtual multi-view drawing; (4), drawing multiple virtual views; and (5), performing auto-stereoscopic displaying. The depth perception enhancing method for virtual multi-view drawing disclosed by the invention is mainly applied to image processing.

The invention provides a three-dimensional display method which includes the steps that the interference value of a display unit, under covering of a light splitting device, for at least a pair of images with parallax is obtained; according to the interference value, the display unit is adjusted; the adjusted display unit is used for displaying the pair of images with parallax. The invention further provides a three-dimensional display device. According to the technical scheme, the crosstalk phenomenon can be effectively reduced in the process of three-dimensional display, and the three-dimensional display effect is optimized.

The invention provides a method, device and electronic equipment for auto-stereoscopic display. The method comprises the following steps: obtaining first coordinates of the face of a current user in a camera coordinate system corresponding to a camera; according to a displacement between an origin of a predetermined display screen coordinate system corresponding to a display screen and an origin of the camera coordinate system, and a first rotation matrix of the camera coordinate system relative to the display screen coordinate system, converting the first coordinates into second coordinates in the display screen coordinate system; and according to the second coordinates, carrying out auto-stereoscopic display drawing processing of a stereoscopic film source to be displayed on the display screen. The method, device and electronic equipment for auto-stereoscopic display provided by the invention has the advantages that positioning errors of the eyes of the user in auto-stereoscopic display can be reduced, so that the auto-stereoscopic display effects are better.

To provide a naked-eye type stereoscopic display device which can achieve a fine stereoscopic display property while achieving high-definition display and high yield. Aperture parts of sub-pixels neighboring to a first direction include overlapping regions which overlap in a second direction and a non-overlapping region which does not overlap. Provided that a width of the aperture part in the second direction is defined as a longitudinal aperture width, the non-overlapping region includes an aperture width fluctuating region where the longitudinal aperture width changes continuously from roughly a center of the aperture part towards both ends of the first direction, respectively. The sum of the longitudinal aperture widths of the two overlapping regions overlapping with each other at a same position in the first direction is larger than the longitudinal aperture width in roughly the center of the aperture part.

The invention relates to the technical field of stereoscopic display, and discloses a liquid crystal lens, a stereoscopic display device, and an intelligent terminal. The liquid crystal lens comprisesa first substrate and a second substrate arranged in an opposite manner, and a liquid crystal layer arranged between the first substrate and the second substrate, the first substrate is provided witha first electrode layer, the first electrode layer comprises a plurality of first bar-shaped electrodes arranged at intervals, the second substrate is provided with a second electrode layer, the second electrode layer comprises a common electrode, and micro-electrode structures are arranged between two adjacent first bar-shaped electrodes at edges of the first electrode layer. When the liquid crystal lens is in a light-splitting mode, a voltage driver respectively applies a first driving voltage and a second driving voltage to the first bar-shaped electrodes and the micro-electrode structuresand applies a second voltage to the common electrode, and the deflection of liquid crystal molecules is driven to respectively form first liquid crystal lens units and second liquid crystal lens units arranged in an array manner near the first bar-shaped electrodes and the micro-electrode structures so that jaggies at edges of the liquid crystal lens can be effectively weakened or even eliminated, and the user experience is enhanced.

The invention provides a stereoscopic display method. The stereoscopic display method comprises the steps that an interference value relevant to a display unit of at least one pair of images with parallax errors is acquired; the display unit is adjusted according to the interference value; the images with the parallax errors are displayed through the adjusted display unit. The invention further provides a stereoscopic display device. According to the technical scheme, a crosstalk phenomenon in the stereoscopic display process can be effectively relieved, and the stereoscopic display effect is optimized.

The invention discloses an optical three-dimensional display device. The device comprises a projector and a lens array screen, the lens array screen or the projector is provided with a horizontal movement rotation mechanism, the lens array screen performs horizontal movement rotation motion through the horizontal movement rotation mechanism, light emitted by the projector is shone on the lens array screen, with the horizontal movement rotation of the horizontal movement rotation mechanism, the emergent light direction of each lens unit on the lens array screen changes synchronously with horizontal movement rotation, the optical three-dimensional display device can be used for avoiding limiting the distinguishability of a display image, the three-dimensional display effect is good, the costis low, the volume and weight are small, and the range of application is wide.

The invention relates to the technical field of stereo display, and discloses a liquid crystal parallax barrier and a stereo display device and a correction method thereof. A first electrode structureis arranged on the side, opposite to a liquid crystal layer, of a first substrate of the liquid crystal parallax barrier, the first electrode structure comprises multiple driving electrode sets whichare arranged in a periodic mode, each driving electrode set comprises at least two driving electrode layers, each driving electrode layer comprises multiple driving electrodes which are arranged at intervals, a gap portion is arranged between each two adjacent driving electrodes, and the driving electrodes and the gap portions of each two adjacent driving electrode layers are oppositely arranged;the driving electrodes which apply the first preset driving voltage in each driving electrode set form a shading portion, the driving electrodes which apply the second preset driving voltage in eachdriving electrode set form a photic portion, and when the driving electrodes which apply the first preset driving voltage and the driving electrodes which apply the second preset driving voltage change, the positions of the shading portions and the photic portions change correspondingly, so that over dependency and excessive demands on the laminating accuracy can be effectively avoided.

The invention relates to a multi-viewpoint pixel light emitting simulation method for a three-dimensional display. The pixel light emitting effect in the three-dimensional display in the real world is simulated by the method. The three-dimensional displays of concave-cylinder and raster principles are respectively simulated. Intuitionistic image simulation respectively aiming at pixel light emitting conditions under two viewpoints, four viewpoints and eight viewpoints are made in the simulation process. The user can select types of the display components and viewpoints according to demand, and further adjusts parameters of the components and attribute of the pixels according to the actual specification to obtain the simulated actual effect. After the light emitting simulated image is displayed, the user further can measure and quantize the experiment result and performs data analysis on the pixel light emitting conditions in detail. Development of the method is based on research ground of optical principle of the three-dimensional display in combination of optimization of user experience, so that the simulation process is rapid in calculation speed and refine and accurate in picture effect. The method is well applied to the research and development of the three-dimensional display.

The invention discloses an image signal processing method and device. By the adoption of the image signal processing method and device, reverse parallax of an inversion area can be reduced, and the three-dimensional display effect of a non-inversion area can be improved at the same time. The image signal processing method comprises the steps that an image signal and depth information of the image signal are obtained; the image signal is processed into N sub-view signals different in depth information; the N sub-view signals are processed into multiple view signals, wherein the parallax between every two adjacent sub-views is larger than the parallax between next two adjacent sub-views, and N is larger than 1.

The invention provides a switching box and a three-dimensional display system using same. The switching box comprises an input unit, a first output unit and a processing unit. The input unit is used for receiving a video signal from a set top box and transmitting the video signal to the processing unit, and the processing unit is used for processing the video signal into a left-eye picture frame and a right-eye picture frame, and for outputting the left-eye picture frame and the right-eye picture frame to a television through the first output unit frame by frame. According to the mode, the switching box is connected between the set top box and the television, and the switching box is used for processing the video signal into the left-eye picture frame and the right-eye picture frame and outputting the video signal into the left-eye picture frame and the right-eye picture frame to the television frame by frame, so that after the three-dimensional display system is used, the generation of color distortion and dinginess can be avoided, the generation of color cast and double image can be reduced, a three-dimensional display effect can be improved, and user experience can be improved.

The invention relates to the technical field of stereo display, and discloses a liquid crystal slit grating, and a stereo display device and a calibration method thereof. The liquid crystal slit grating includes a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate; a first electrode structure is arranged on one side facing, the liquid crystal layer, of the first substrate; a second electrode structure is arranged on one side, facing the liquid crystal layer, of the second substrate; the first electrode structure includes a plurality of drive electrode groups which are arranged periodically, and each drive electrode group includes a plurality of drive electrodes which are arranged at intervals; in each drive electrode group, the drive electrodes having the first preset drive voltage corresponding form a shading portion, and the drive electrodes having the second preset drive voltage correspondingly form a light transmitting portion; when the drive electrodes having the first preset drive voltage and the drive electrodes having the second preset drive voltage, positions of the shading portion and the light transmitting portion change correspondingly, and the independence and demand of the laminating precision can be avoided.

The invention belongs to the technical field of three-dimensional display, and provides a tracking and positioning method and device for three-dimensional display. The tracking and positioning methodcomprises the steps of s1, arranging at least a first auxiliary positioning point and a second auxiliary positioning point at the positions, corresponding to the eyes of a viewer; s2, acquiring the position information of the first auxiliary positioning point and the position information of the second auxiliary positioning point in real time; and s3, acquiring the position information of the center point of the two eyes of the viewer according to the position information of the first auxiliary positioning point and the position information of the second auxiliary positioning point, wherein thecenter point of the two eyes of the viewer is the center symmetry point of the left eye and the right eye of the viewer, and taking the position information of the center point of the two eyes of theviewer as the tracking and positioning information during the viewer viewing the three-dimensional display with both eyes. Through the tracking and positioning method and device, the positioning information can be accurately acquired when a viewer is watching the three-dimensional display image with sidelong glance. The crosstalk phenomenon in the process of watching a three-dimensional display image by a viewer with sidelong glance is effectively improved, and the three-dimensional display effect is optimized.

The invention relates to a method for correcting multi-anaglyph color cast, comprising the steps of firstly selecting an image with true color from a plurality of anaglyphs as a standard image, then performing color space conversion from RGB to YUV on the standard anaglyph and the color-cast anaglyphs, obtaining the true color gray values of the to-be-corrected color-cast anaglyphs in the YUV color space according to three color correction coefficients K<Y>, K and K<V> of all pixels of the color-cast anaglyphs in the YUV color space, and finally converting the obtained true color gray values from the YUV to the RGB color space, so as to realize the correction of a plurality of color-cast anaglyphs. The invention is capable of realizing color-case correction of a plurality of anaglyphs before synthesizing a stereo image and improving the effect of a free stereo display. The method is simple and feasible.

The present invention provides a stereoscopic display method and apparatus for a digital material. The stereoscopic display method comprises: acquiring a to-be-processed digital material; stereoscopically processing the digital material according to a type that the to-be-processed digital material belongs to, to generate a stereoscopic digital material, wherein the type that the digital material belongs to comprises a three-dimensional virtual material, a two-dimensional digital image or a video image; and displaying the stereoscopic digital material in a designated display interface. According to the method and apparatus provided by the embodiments of the present invention, the digital material is processed stereoscopically through digital image processing, to generate the stereoscopic digital material, so that the stereoscopically processed digital material can exhibit a stereoscopic effect in the designated display interface in a stereoscopic picture view mode.

The invention provides a stereoscopic display module. The stereoscopic display module comprises a display panel, a liquid crystal lens arranged at a display side of the display panel, an optical film arranged on the liquid crystal lens in a stacking manner, and a touch layer arranged on the optical film, and is characterized in that the liquid crystal lens comprises a first substrate, a second substrate and a liquid crystal layer clamped between the first substrate and the second substrate, the second substrate is arranged at the surface of the display panel, and the optical film has an adhesive characteristic and a polarization function. Through arranging the optical film, which has the adhesive characteristic and the polarization function, at the first substrate side in the stacking manner, the reflectivity can be reduced by about 25%, and 3D stereoscopic image crosstalk can be reduced by 15%. In addition, the loss of the overall brightness of the stereoscopic display module is only within 10%, and stereoscopic display effects are greatly improved.

The present invention relates to the naked eye 3D technology field, especially to and discloses a device for enhancement of a 3D display effect. The device comprises from inside to outside: a LCD display screen, a glass layer and a grating film which are in concentric arc arrangement, and the arc central point located at the external side is an optimal film watching point. The grating film is a cylindrical grating, the distance between the grating arc and a center line is gradually increased, the included angle [Theta] of the grating arc and the optimal film watching point is gradually increased, and the grating distance L of the grating arc is gradually increased. According to the device for enhancement of the 3D display effect, the LCD display screen, the glass layer and the grating film are in concentric arc arrangement, the included angle [Theta] of the grating arc and the optimal film watching point is gradually increased, the grating distance L of the grating arc is gradually increased, and the design of the two can be accurately controlled. The image is lifelike and nondeformable, and the three-dimensional display effect is good.

The present invention provides a 3D display method, which comprises: obtaining an interference value of a display unit displaying at least one pair of images with parallax; adjusting the display unit based on the interference value; and the adjusted display unit displaying the at least one pair of images with parallax. The present invention also provides a 3D display device. Through the technical solution of the present invention, the crosstalk phenomenon during the 3D display process can be relieved to optimize the 3D display result.

The invention discloses a stereoscopic display device which comprises a display unit and a liquid crystal lens unit, wherein the display unit is used for emitting image light outwards, and the liquid crystal lens unit is arranged above the display unit, receives the image light and is used for forming a first lens grating in the first half period of the image light and forming a second lens grating in the second half period of the image light. A half preset period is shifted between the formed first lens grating and the formed second lens grating, and the first lens grating and the second lens grating are used for separating the received image light into a left eye image and a right eye image, wherein the left eye image and the right eye image are alternated in the first half period and the second half period of a display area corresponding to the display unit. The stereoscopic display device is capable of performing full-resolution display and improving stereoscopic display effects, and is simple in structure and low in production cost. The invention further relates to a stereoscopic display method.