44results about "Steroscopic systems" patented technology

The invention discloses a naked 3D track display method and equipment. The method comprises the steps as follows: an image collector collects images of a viewer; an image processor determines the position of the viewer; according to the position of the viewer, a traversing module finds a liquid crystal grating state value corresponding to the position of the viewer, which is determined by the image processor from a index list corresponding to the position of the viewer, and the liquid crystal grating state value comprises a plurality of adjacent grating units and the driving manner of each of the plurality of adjacent grating units; a grating driving module finds the liquid crystal grating state value according to the traversing module to drive the liquid crystal gratings; and image information is displayed by a displaying screen. The invention further disclosed naked 3D track display equipment. According to the invention, a 3D display region can be regulated according to the spatial location of the viewer, so that the viewer can always senses a 3D displaying effect during motion.

A three-dimensional observation apparatus includes a pair of image projection means, an image display means, a position detecting means for detecting movements of an observer of images displayed by the image display means, and a driving means for tracking movements of the observer and for moving the image display means based on changes of signals that are output from the position detecting means. The pair of image projection means and the image display means are configured such that the pair of image projection means projects a right eye image and a left eye image, and the image display means presents these images to the right eye and left eye, respectively, of an observer. A diffusing means may be provided to enlarge the exit pupils of the three-dimensional observation apparatus.

The invention provides an image processing method and an image processing device. The image processing method and the image processing device are used for processing images obtained by a terminal with double cameras. The image processing method includes the steps of obtaining a first image through the first camera, obtaining a second image through the second camera, determining relative displacement compensation between the first image and the second image according to the angle difference and the deviation between the first image and the second image, and carrying out compensation on the first image or the second image according to the relative displacement compensation to achieve anti-shaking processing. According to the technical scheme, image processing time is effectively shortened and energy consumption of image processing is reduced.

A calibration and rectification method includes arranging a monitor vertically relative to the optical axis of the stereo camera; displaying 3D patterns, similar to patterns obtained by projecting pattern images of various postures produced by a panel virtually located in front of the stereo camera, onto the monitor through a 3D graphical technique; and the stereo camera acquiring the 3D patterns displayed on the monitor to perform calibration and rectification, thereby correcting images of the stereo camera.

The invention discloses a rear naked-eye three-dimensional (3D) display and a display method. The rear naked-eye 3D display comprises an image display unit, an optical element and a backlight module, wherein the image display unit can provide a display panel of a fully-high-resolution parallax image; the optical element propagates backlight energy to different visual areas in space; and the backlight module is formed by combining a switch and small backlight units, and the brightness of each small backlight unit can be freely controlled. Light which is emitted by the backlight module passes through the optical element, penetrates through the image display unit and then is used for loading the parallax image, so different parallax images can be seen through eyes at different spatial positions, or different images can be seen at different viewpoints. Meanwhile, by controlling the specific brightness combination of the small backlight units in the backlight module, a high-resolution two-dimensional (2D) image can be played. By the invention, under the condition that 3D display is realized, adding of glasses is eliminated, the resolution of the display is prevented from being reduced, and 2D/3D bidirectional switching without resolution reduction is realized.

A video signal processing device includes: a stereo conversion unit which generates a stereo superimposed signal by performing stereo conversion processing on a superimposed signal obtained by superimposing, on a two-dimensional video signal, an additional information signal indicating additional information to be combined with a two-dimensional video and displayed, and shifts a first locating signal indicating a position of the additional information in the two-dimensional video, according to an amount of shift caused by the stereo conversion processing on the additional information signal, to generate a second locating signal indicating a position of the additional information in a video indicated by the stereo superimposed signal; and a correction unit performs, on the stereo superimposed signal, quality correction for an area other than an area located by the second locating signal.

A stereoscopic image display device is for use with shutter glasses having left and right shutter lenses and includes a display processor, a display screen, a signal generator, and a signal transmitter. The display processor is for receiving a video input signal and outputting a video output signal sequence according to a frame sync signal acquired from the video input signal. The display screen is for receiving the video output signal sequence corresponding to a sequence of left-eye and right-eye images and displays the left-eye and right-eye images in an alternating manner according to the frame sync signal. The signal generator is for generating a shutter sync control signal that is transmitted to the shutter glasses by the signal transmitter for controlling duty cycles of alternating operations of the shutter glasses according to the frame sync signal.

A system, method, and computer-readable medium are disclosed for dynamically controlling a multi-modal camera system to take advantage of the benefits of sensing gestures with a 2D camera, while overcoming the challenges associated with 2D cameras for performing gesture detection. In certain embodiments, the multi-modal camera system includes an RGB camera and a depth camera, thus providing both a 2D and a 3D capture mode.

This invention discloses optical modules, and eyewear using them for performing viewing function(s) including viewing a shutter-based 3D display, viewing a polarization-based 3D display, emulating the Pulfrich effect, emulating a pair of pinhole glasses and emulating a pair of sunglasses. In one embodiment, an optical module comprises: a first liquid crystal layer between a first and a second transparent conductive layers; a transparent protective layer attached to the first transparent conductive layer; a third transparent conductive layer; a matrix-electrode layer, comprising an array of independently addressable electrode regions each being transparent and electrically conductive; a second liquid crystal layer between the matrix-electrode layer and the third transparent conductive layer; a first linear polarizer attached to the second transparent conductive layer and the matrix-electrode layer; and a second linear polarizer, having a polarization orientation orthogonal to the polarization orientation of the first linear polarizer, attached to the third transparent conductive layer.

Provided is an image display system wherein a pair of three-dimensional eyeglasses and an image display apparatus are used to ensure that cooperative processes, such as determination of a fatigued condition of a viewer, are performed without increasing the system scale. A transmitting/receiving unit (150) included in a three-dimensional display television (10) transmits, to a pair of three-dimensional eyeglasses (20), a specification designating signal that designates a specification including at least a data format in a communication signal. A transmitting/receiving unit (270) included in the three-dimensional eyeglasses (20) receives the specification designating signal transmitted by the three-dimensional display television (10), converts, in accordance with the specification designated by the received specification designating signal, a biologic signal acquired by a biologic signal sensor (240) to the communication signal, and further transmits the communication signal to the three-dimensional display television (10).

The invention is applied to the field of image processing, providing a method and device for displaying a three-dimensional image. The method comprises the following steps of: acquiring each pixel point data, the shooting position and the shooting angle of an image; acquiring the display range of the image and the projection position corresponding to each pixel point of the image; and correspondingly displaying each pixel point data at the projection position of each pixel point. According to the method and device disclosed by the invention, the image is subjected to extension processing by adopting a mode of inclined overlook shooting and non-verticality of a display surface to the watching view during display, so that a looker can watch the three-dimensional image within a specified display range by using a two-dimensional display. The problems that the three-dimensional image cannot be displayed by using a two-dimensional display and 3D glasses are required to be worn and the requirement on a transmission line is high in a traditional 3D display technology are solved.

The invention discloses a safety depth jumping adjustment method for the shot switching position in a three-dimensional (3D) program. The safety depth jumping adjustment method comprises the steps of first calibrating a shot boundary, obtaining depth jump values between shots at the position of a shot boundary on the basis of screen depth change characteristics of interested content areas on two sides of the shot boundary, and judging whether depth jump between the shots causes discomfort of human eyes according to a maximum bearable depth jump value; performing depth adjustment on boundary images of a front shot and a rear shot through a three-dimensional image tilt-shift parallax adjustment method according to the maximum safety speed of depth gradual change adjustment, and converting depth jump at the position of the shot boundary into depth gradual change. The maximum bearable depth jump value with watching condition factors removed under shot switching and the maximum depth gradual change adjustment speed of a single scene are stipulated, and by detecting the influence of depth jump of stereoscopic video shot switching on three-dimensional comfortable watching, discomfort caused to stereoscopic watching of the human eyes and caused by stereoscopic video shot switching can be effectively avoided.

The generation of crosstalk is suppressed when displaying a three-dimensional image, and a decrease in brightness is avoided when displaying a two-dimensional image.

A polarization control filter 268 is placed so that a boundary between a polarization region 269a and a polarization region 269b is within the ranges of a red liquid crystal cell 272, a green liquid crystal cell 274, and a blue liquid crystal cell 276 in order in the vertical direction. When displaying a three-dimensional image, black is displayed for a liquid crystal cell 2 positioned at a boundary between the polarization region 269a and the polarization region 269b of a polarization control filter 268, and the original right eye image or left eye image is displayed by other liquid crystal cells.

An example of an augmented reality based social platform can include the computer implemented modules of: an avatar creation module for creating user based avatars which can be manipulated within the social platform, a map generation module for creating an augmented map of a real-world location, said map generation module capable of integrating platform user interactable objects with corresponding real-world objects, an auxiliary application integration module capable of integrating a non-platform based application with its platform based counterparts, and a commercial conversion module capable of spatially reserving area, surfaces, pathways, interactable objects or a combination thereof within the augmented map for exclusive usage rights of one, or a collection of, avatar(s). A platform can also include a user data integration module capable of integrating non platform based user information with its platform based counterpart.

The invention discloses a method for interpolation in a three-dimension (3D) HALF form image, and by introduction of a piecewise function, a pixel value of an interpolation point is determined by selecting an appropriate computing formula of the pixel value of the interpolation point from the piecewise function according to the continuity of the image at the interpolation point. The method overcomes the defects of serious granular sensation of images in left eyes and right eyes which is caused by a nearest neighbor interpolation method in 3D HALF form image interpolation methods of the prior art as well as serious high frequency degeneration of images in left eyes and right eyes and blurred images which are caused by a bilinear interpolation method. Amplification effects of images in left eyes and right eyes, which are processed by the method, reserve information of all frequency bands of images well, edges are sharpened, details are clear, image effects after images are processed according to a bicubic interpolation algorithm are basically achieved, the operation amount is small, and the hardware implementation is facilitated.

The invention relates to a light emitting diode drive system, comprising a microcontroller, a control circuit, a pulse width modulation controller, a first drive circuit, a second drive circuit, a first conversion circuit and a second conversion circuit. When a three-dimensional display is carried out on a display faceplate by the microcontroller, three-dimensional micro control signals are output. When the three-dimensional micro control signals are received by the control circuit, three-dimensional control signals are output. The second conversion circuit is connected with an external direct current voltage source, the control circuit and the second drive circuit; when the three-dimensional display is carried out on the display faceplate, according to the output of the second drive circuit, the external direct current voltage source is transformed to second direct current voltage so as to drive a light emitting diode array together with the first conversion circuit; and when a two-dimensional display is carried out on the display faceplate, the work stops. The invention also provides a display device. Under two-dimensional and three-dimensional modes, the light emitting diode drive system can change the output of the second drive circuit so as to meet the requirements of different loads and improve the elasticity selected by elements.

The present invention discloses a device for obtaining stereoscopic images with conventional single optic channel endoscope using a single lens camera. The device comprises of an aperture each half of which is covered with complimentary additive and subtractive color filters and is installed between the endoscope and camera. The filters can be transversely adjusted to center on the principal ray so as to obtain optimal stereopsis. Images are viewed on a standard monitor using eyewear comprising the same complimentary additive and subtractive color filters on the left and the right side, or on specialized video monitors using active or passive polarized glasses.

There are provided a display panel being both anti-static and resistant to corrosion, a display device provided with the display panel, and an electronic unit provided with the display device. The display panel includes a panel section including a plurality of pixels arranged in a matrix; a barrier layer provided at an upper or lower part of the panel section, and the barrier layer including light-shielding regions and transmissive regions that are arranged systematically; and a transparent conductive layer provided at the upper part of the panel section.

If a stereoscopic display mode is selected, the angle of view of each of a pair of perspective-projection virtual cameras and a distance between the perspective-projection virtual cameras are determined based on an output signal from a 3D adjustment switch. Based on these perspective-projection virtual cameras, an image for right eye and an image for left eye are rendered, and a stereoscopically visible image is generated based on these images. If a planar display mode is selected, a single orthogonal-projection virtual camera is used to generate a planarly visible image.

The invention discloses a three-dimensional video playing method of a standard player based on interactive vector diagrams and Web cartoons. The three-dimensional video playing method is characterized by comprising the following steps of: a) opening a playing page with video content; b) judging whether the video content carried by the playing page is a three-dimensional video, if not, carrying out common playing, entering a step g), and if so, entering a step c); c) judging whether the 3D (three-dimensional) effect is needed, if not, selecting a submode without the 3D effect, entering a step f), and if so, entering a step d); d) judging whether 3D equipment exists, if not, selecting a submode without the 3D equipment, entering a step f), and if so, entering a step e); e) selecting the corresponding submode with the 3D equipment; f) setting picture drawing; and g) playing the video. The three-dimensional video playing method has the advantages that various mainstream 3D playing modes are provided for a user, the selection of a user is convenient, and the playing experience is improved.

An image-capturing device having an image identification mechanism is provided. The image-capturing device comprises a first and a second flashlight modules, a processing module and an image-capturing module. The first and the second flashlight modules generate a first and a second color lights respectively according to a first and a second currents. The processing module controls the first and the second flashlight modules to flash light at an object sequentially within a time interval. The image-capturing module generates a first frame according to the object and the first color light and generates a second frame according to the object and the second color light. The processing module subtracts the pixels in the first and the second frames to retrieve a foreground area. A color difference between the first and the second frames for each the pixels in the foreground area is larger than a threshold value.

The invention discloses a processing method, device and system for shutter type three-dimensional image display. Compared with an existing processing method, the processing method is characterized in that corresponding monocular frame mixed image signals composed of a part of continuous monocular frame image signals and a part of continuous black screen image signals are inserted behind monocular frame image signals, and the problem of 3D image crosstalk can be effectively solved during 3D image display due to the fact that the monocular frame mixed image signals are composed of the part of monocular frame image signals and the part of black screen image signals; in addition, due to the fact that only the part of black screen image signals exist in the monocular frame mixed image signals, the better brightness evenness can be obtained during display through reducing the ratio of the black screen image signals to the monocular frame mixed image signals.

The invention provides a disparity vector generation method and a device which are applied to the field of multimedia communication. In the disparity vector generation method, as for an image block A in a viewpoint 1 image, the depth value of a viewpoint 2 image is used, and disparity of the image block A between the two viewpoint images is estimated. According to the method, disparity vector acquisition of the viewpoint 1 image only relays on the viewpoint 2 depth image, and therefore a disparity vector needed when the viewpoint 1 image is encoded is provided when the viewpoint 2 depth image is obtained.

Systems and methods are described for providing a 3D display, such as a light-field display. In some embodiments, a display device includes a light-emitting layer that includes a plurality of separately-controllable pixels. An optical layer overlays the light-emitting layer. The optical layer includes a plurality of mosaic cells arranged in a two-dimensional array (e.g., a tessellation). Each mosaic cell includes a plurality of optical tiles. Different tiles may differ from one another in optical power, tilt direction, translucency, or other optical property. A spatial light modulator provides control over which optical tiles transmit light from the light-emitting layer outside the display device. The light-emitting layer and the spatial light modulator are controlled in a synchronized manner to display a desired pattern of light.

A stereoscopic display apparatus is cooperated with a shutter apparatus. The stereoscopic display apparatus includes a display module and an infrared emitting device. The display module has a viewable area and an optical sheet. The infrared emitting device is disposed in the display module. The light emitted from the infrared emitting device passes through the optical sheet and the viewable area and be received by the shutter apparatus to control it. The stereoscopic display apparatus can reduce the cost and make the appearance of the stereoscopic display apparatus have better integrity.

Disclosed is a patterned retarder film which comprises a substrate, a patterned configuration layer and a liquid crystal layer. The patterned configuration layer includes a plurality of first regions and a plurality of second regions A liquid crystal layer is disposed on the patterned configuration layer, wherein liquid crystal molecules above the first regions is arranged irregularly because of the protrusions, the liquid crystal molecules above the second regions are aligned with the aligning micro-structures. The liquid crystal layer in above the first regions provides a first phase retardation, the liquid crystal layer above the second regions provides a second phase retardation, and the difference between the first phase retardation and the second phase retardation is 180°. The method for manufacturing the same is disclosed.

The invention relates to a method for adapting representation of an image (102) on a screen (104). The method corresponding to an adapting signal (108) has steps: outputting a variation signal (110) used to change information content in the image (102) and/or change a virtual distance (212) between the first virtual layer (208) and the second virtual layer and/or the surface of the screen (104).

An arbitrary viewpoint image generation method includes obtaining an original image set photographed by a plurality of cameras included in a camera array at each of at least one focal distance at a same time point; obtaining a multi-focus image set by generating a multi-focus image from the original image set for each of the at least one focal distance; and generating an arbitrary viewpoint image at a position where a viewpoint is to be moved from the multi-focus image set.

A method and an apparatus for outputting stereoscopic images in a mobile terminal are provided. The method includes entering a play control command for a stereoscopic video, searching for an I-frame (key frame) corresponding to a changed play position; determining, after decoding the found I-frame, whether the decoded I-frame is a left frame (L-frame) or a right frame (R-frame), adjusting, when the decoded I-frame is an R-frame, L-R sequencing, and outputting a stereoscopic image based on the adjusted L-R sequence. Hence, the mobile terminal may output a stereoscopic image in a manner that the stereoscopic effect intended by the content author is fully conveyed by the mobile terminal.