1760 results about "Left eye" patented technology

A method and system for reducing ghost images in plano-stereoscopic image transmissions is provided. The method comprises establishing a plurality of expected ghosting profiles associated with a plurality of predetermined regions on a screen, and compensating for leakage in each predetermined region of a projected left and right eye images by removing an amount of ghost images leaking from the projected left eye image into the projected right eye image and vice versa. The system comprises a processor configured to receive the quantity of ghost artifacts and compute ghost compensation quantities for left eye images and right eye images. The processor is further configured to remove an amount of actual image ghost artifacts leaking from a projected left eye image into a projected right eye image and vice versa. The processor is also configured to compute ghost compensation quantities for each of a plurality of zones, each zone corresponding to a region on a screen having an expected ghosting profile associated therewith.

A three-dimensional display is provided which can produce a stereoscopic image with a natural stereoscopic depth even on different screen sizes. A stereoscopic video signal generation circuit, which supplies a stereoscopic video signal to the three-dimensional display that forms a stereoscopic image by taking advantage of binocular disparity parallax, comprises: an information retrieving means for retrieving video information on the stereoscopic image and display information on the three-dimensional display; and an offset setting means for offsetting a left-eye image and a right-eye image relative to each other according to the video information and the display information to adjust the stereoscopic depth of the image displayed.

When detecting the position and gaze direction of eyes, a photo sensor (1) and light sources (2, 3) placed around a display (1) and a calculation and control unit (6) are used. One of the light sources is placed around the sensor and includes inner and outer elements (3′; 3″). When only the inner elements are illuminated, a strong bright eye effect in a captured image is obtained, this resulting in a simple detection of the pupils and thereby a safe determination of gaze direction. When only the outer elements and the outer light sources (2) are illuminated, a determination of the distance of the eye from the photo sensor is made. After it has been possible to determine the pupils in an image, in the following captured images only those areas around the pupils are evaluated where the images of the eyes are located. Which one of the eyes that is the left eye and the right eye can be determined by following the images of the eyes and evaluating the positions thereof in successively captured images.

An image processing apparatus includes an image input unit that inputs a two-dimensional image signal, a depth information output unit that inputs or generates depth information of image areas constituting the two-dimensional image signal, an image conversion unit that receives the image signal and the depth information from the image input unit and the depth information output unit, and generates and outputs a left eye image and a right eye image for realizing binocular stereoscopic vision, and an image output unit that outputs the left and right eye images. The image conversion unit extracts a spatial feature value of the input image signal, and performs an image conversion process including an emphasis process applying the feature value and the depth information with respect to the input image signal, thereby generating at least one of the left eye image and the right eye image.

Provided are methods and apparatuses for displaying a stereoscopic image. The method includes alternately generating repeated left-eye images and repeated right-eye images; turning off a backlight unit during a period in which a left-eye image and a right-eye image are mixed and turning on the backlight unit during a period in which only one of the left-eye and right-eye images is displayed; and controlling a left-eye shutter and a right-eye shutter of shutter glasses during a period in which the backlight unit is turned on.

A stereoscopic image display system includes: an image display unit that displays a parallax image composed of a right eye image and a left eye image; glasses having a transmission portion for a right eye transmitting only the right eye image of the parallax image and a transmission portion for a left eye transmitting only the left eye image of the parallax image; an inclination detection unit that detects an inclination of the glasses; a parallax image generation unit that generates the parallax image in accordance with a detection result from the inclination detection unit; and a display unit that displays the parallax image generated by the parallax image generation unit.

Three general designs for reducing parallax in a moving picture are disclosed. One design comprises stretching graphics content near the left and right frame edges of stereo pair elements in order to modify parallax settings. A second design comprises identifying a plurality of substantially corresponding points in a left eye view and right eye view and bringing the plurality of substantially corresponding points closer together using a morph technique. The third design entails fading a portion of a right eye view with a portion of a left eye view near or proximate an edge of the image.

When detecting the position and gaze direction of eyes, a photo sensor (1) and light sources (2, 3) placed around a display (1) and a calculation and control unit (6) are used. One of the light sources is placed around the sensor and includes inner and outer elements (3′; 3″). When only the inner elements are illuminated, a strong bright eye effect in a captured image is obtained, this resulting in a simple detection of the pupils and thereby a safe determination of gaze direction. When only the outer elements and the outer light sources (2) are illuminated, a determination of the distance of the eye from the photo sensor is made. After it has been possible to determine the pupils in an image, in the following captured images only those areas around the pupils are evaluated where the images of the eyes are located. Which one of the eyes that is the left eye and the right eye can be determined by following the images of the eyes and evaluating the positions thereof in successively captured images.

The present invention makes it possible to perform transmission of stereo image data between devices in a favorable manner. A source device (disc player 210) receives E-EDID from a sink device (television receiver 250) via DDC of an HDMI cable 350. This E-EDID contains information on 3D image data transmission modes that can be supported by the sink device. On the basis of the information on 3D image data transmission modes from the sink device, the source device selects a predetermined transmission mode from among the 3D image data transmission modes that can be supported by the sink device. The sink device transmits 3D image data in the selected transmission mode to the sink device. For the convenience of processing in the sink device, the source device transmits information on the transmission mode for the 3D image data transmitted, to the sink device by using an AVI InfoFrame packet or the like. The sink device processes the 3D image data received from the source device in accordance with its transmission mode, thereby obtaining left eye and right eye image data.

A stereoscopic image display includes a depth map extracting unit for extracting a region of interest (ROI) and a depth map from a 3D input image, an average depth for calculating unit calculating an average depth of the ROI, a depth map adjusting unit, which converts the average depth of the ROI into a screen depth value of a display panel, shifts depth values of the 3D input image in a shift direction of the average depth by a shifted amount of the average depth of the ROI, and adjusts a depth map of the 3D input image, a left / right eye image producing unit for producing left eye image data and right eye image data based on the adjusted depth map, and a display panel driver for displaying the left eye image data and the right eye image data on the display panel.

A video system for providing an operator with a three dimensional stereoscopic image of the oral cavity of a patient is provided. The system includes an imaging unit for providing at least two stereoscopic images of the oral cavity, a pair of switchable shutters for alternatingly blocking the view of the left eye and the right eye of the operator, a synchronizing unit for synchronizing the switching of the pair of switchable shutters with the rate of generation of the two stereoscopic video images by the imaging unit and a video display for displaying the two stereoscopic images.

The invention belongs to the technical field of video monitoring and in particular relates to a human-computer interaction device and a human-computer interaction method adopting human-eye tracking in the video monitoring. The device comprises a non-invasive facial eye image video acquisition unit, a monitoring screen, an eye tracking image processing module and a human-computer interaction interface control module, wherein the monitoring screen is provided with infrared reference light sources around; and the eye tracking image processing module separates out binocular sub-images of a left eye and a right eye from a captured facial image, identifies the two sub-images respectively and estimates the position of a human eye staring position corresponding to the monitoring screen. The invention also provides an efficient human-computer interaction way according to eye tracking characteristics. The unified human-computer interaction way disclosed by the invention can be used for selecting a function menu by using eyes, switching monitoring video contents, regulating the focus shooting vision angle of a remote monitoring camera and the like to improve the efficiency of operating videomonitoring equipment and a video monitoring system.

The present invention provides a novel imaging system for obtaining full stereoscopic spherical images of the visual environment surrounding a viewer, 360 degrees both horizontally and vertically. Displaying the images obtained by the present system, by means suitable for stereoscopic displaying, gives the viewers the ability to look everywhere around them, as well as up and down, while having stereoscopic depth perception of the displayed images. The system according to the present invention comprises an array of cameras, wherein the lenses of said cameras are situated on a curved surface, pointing out from common centers of said curved surface. The captured images of said system are arranged and processed to create sets of stereoscopic image pairs, wherein one image of each pair is designated for the observer's right eye and the second image for his left eye, thus creating a three dimensional perception.

A communication method of transmitting video data which may include a predetermined number of bits as a unit from a source device to a sink device in sync with pixel clock and using individual transmission lines for respective color data or the like, may include preparing video data for three-dimensional display including the video data for a left eye and the video data for a right eye; forming the data for the left eye and for the right eye including the predetermined number of bits per pixel respectively; adding one of the data for the left eye and data for the right eye to the other thereof per pixel; forming the data of one pixel including twice the predetermined number of bits and transmitting the data at a timing in sync with the pixel clock; and transmitting the data for three-dimensional display from the source device to the sink device.

In an embodiment of the invention, a stereoscopic image of an object is obtained using two cameras. The locations and orientations of the two cameras are obtained. The stereoscopic image of the object is displayed on a stereoscopic display. A first gaze line from a right eye and a second gaze line from a left eye of an observer viewing the object on the stereoscopic display are measured. A location of the object in the stereoscopic image is calculated from an intersection of the first gaze line and the second gaze line. The three-dimensional location of an object is calculated from the locations and orientations of the two cameras and the location of the object in the stereoscopic image.

A method and system for projecting linearly polarized stereoscopic images to a viewer that results in increased viewer head-tipping capabilities is provided. The design includes projecting linearly polarized light energy toward a screen and providing the viewer with a set of linearly polarized eyewear configured to receive the linearly polarized light energy projected to the screen and transmit a right perspective view to a right eye of the viewer and a left perspective view to a left eye of the viewer. Projecting comprises performing a noise reduction technique to reduce crosstalk in linearly polarized light energy images projected.

A stereoscopic video display apparatus includes: a two-dimensional display unit which selects, for each of parallax images having a parallax from a reference parallax image, at least one pixel sequence on a panel, and displays each of the parallax images using the selected pixel sequence; a barrier part which divides light from the pixel sequences such that the respective parallax images are displayed at predetermined positions; a position detecting unit which detects the positions of viewers; and a parallax image arrangement control unit which specifies viewing positions possible for the left eyes of the viewers from among the detected viewing positions other than the viewing positions for the right eyes, and cause the two-dimensional display unit to respectively display the parallax images predetermined for the left eyes at the specified positions.

In a method for displaying a three-dimensional stereo image, a left-eye image defined by multiple left-eye strip pixels and a right-eye image defined by multiple right-eye strip pixels are displayed such that the left-eye pixels and the right-eye pixels are arranged alternately from the left to the right in a width direction. The left-eye image and the right-eye image are guided separately to the left eye and the right eye of an observer. Then, the left-eye image and the right-eye image are shifted by one pixel in an oscillating manner, and the left-eye image and the right-eye image are deflected synchronized with the one-pixel shifting operation.

Systems for three-dimensional viewing and projection aimed at full-color flat-screen binocular stereoscopic viewing without the use of eyeglasses for the viewer. According to the invention, light emanating from a display or projected thereat presenting a left image and a right image is directed only to the appropriate left or right eyes of at least one viewer using various combinations of light polarizing layers and layers of light rotating means.

A method and system for identifying a human being or verifying two human beings by partial component(s) of their face which may include one or multiple of left eye(s), right eye(s), nose(s), mouth(s), left ear(s), or right ear(s). A gallery database for face recognition is constructed from a plurality of human face images by detecting and segmenting a plurality of partial face components from each of the human face images, creating a template for each of the plurality of partial face components, and storing the templates in the gallery database. Templates from a plurality of partial face components from a same human face image are linked with one ID in the gallery database. A probe human face image is identified from the gallery database by detecting and segmenting a plurality of partial face components from the probe human face image; creating a probe template for each of the partial face components from the probe human face image, comparing each of the probe templates against a category of templates in the gallery database to generate similarity scores between the probe templates and templates in the gallery database; generating a plurality of sub-lists of candidate images having partial face component templates with the highest similarity scores over a first preset threshold; generating for each candidate image from each sub-list a combined similarity score; and generating a final list of candidates from said candidates of combined similarity scores over a second preset threshold.

An optical system for transmitting a stereoscopic image to a right eye and a left eye of a user is disclosed. The system comprises an optical relay device, having a light-transmissive substrate, an input grating, a left output grating and a right output grating. The optical relay device is designed and constructed such that light is diffracted by the input grating, propagates within the light-transmissive substrate via total internal reflection, and diffracted out of the light-transmissive substrate by at least one of the left and right output gratings. The system further comprises an image generating system, optically coupled to the input grating and configured for providing collimated light constituting a left-eye image and a right-eye image wherein the left-eye image is parallactically related to the right-eye image. In various exemplary embodiments of the invention the left-eye image and the right-eye image are spectrally modulated according to different spectral maps, selected to provide different optical information to different eyes.

A holographic display comprising light sources (L51, L52, . . . ) in a 2D light source array, lenses (L1, L2, . . . ) in a 2D lens array, a spatial light modulator (SLM) and a beamsplitter, in which there are m light sources per lens, and the light sources are in m-to-one correspondence with the lenses. The beamsplitter splits the rays leaving the SLM into two bundles, one of which illuminates the virtual observer windows for m left eyes (VOWL) and the other illuminates the virtual observer windows for m right eyes (VOWR). In one example, m=1. An advantage is 2D-encoding with vertical and horizontal focusing and vertical and horizontal motion parallax.

The present invention provides a novel imaging system for obtaining full stereoscopic spherical images of the visual environment surrounding a viewer, 360 degree both horizontally and vertically. Displaying the images obtained by the present system, by means suitable for stereoscopic displaying, gives the viewers the ability to look everywhere around them, as well as up and down, while having stereoscopic depth perception of the images displayed images. The system according to the present invention comprises an array of cameras, wherein the lenses of said cameras are situated on a curved surface, pointing out from common centers of said curved surface. The captured images of said system are arranged and processed to create sets of stereoscopic image pairs, wherein one image of each pair is designated for the observer right eye and the second image to his left eye, thus creating a three dimensional perception.

A red-eye detection device includes a red-eye candidate detection section, a red-eye pair specification section, and an isolated red-eye candidate check section. The red-eye candidate detection section detects a red-eye candidate that can be estimated to be a red-eye, by identifying a feature of the pupil that has a region displayed red from among features of an image. The red-eye pair specification section specifies the red-eye candidate as a pair of a right red-eye candidate equivalent to a right eye and a left red-eye candidate equivalent to a left eye, using information on a face region obtained from the image. The isolated red-eye candidate check section checks whether an isolated red-eye candidate, detected by the red-eye candidate detection section but not specified as the pair by the red-eye pair specification section, is a true red-eye.

A display 1a with a shading means is divided into three areas. A shading part of the shading means shifts by ¼ of a pitch of the shading part in each of the areas. When the shading part shifts by the ¼ of the pitch, an image passes by corresponding to each of areas after shifting. An image display surface is also divided into areas by corresponding to the above division into areas, and a display order of a left eye image and a right eye image in stripe shapes is controlled for each of the areas. Shifting by the ¼ of the pitch is not provided in the H2 area, but is provided in the H1, H3 areas, and replacement of the left eye image and the right eye image is provided only in the H1 area. In this case, the right eye image passes through L1′ from the H1 area and enters a right eye of the viewer, the right eye image passes through R2 from the H2 area and enters the right eye of the viewer, and the right eye image passes through R2′ from the H3 area and enters the right eye of the viewer. Therefore, only the right eye image is supplied to the right eye of the viewer 2 shifting backward from an optimum viewing position D.

A binocular endoscope operation visual system mainly comprises a binocular endoscope, an image server and an endoscope stereo display unit. Two ways of clear abdominal cavity image video signals are obtained by the binocular endoscope, two ways of video streams enter a memory of an image processing server or a video memory by a two-way image capture card, and a left-way image and a right-way image which are processed are respectively displayed in a left displayer and a right displayer. By a flat mirror, the contents of the left displayer and the right displayer respectively enter the left eye and the right eye of an observer, thereby the stereo effect is realized. The binocular endoscope operation visual system is suitable for the circumstance of a medical surgical endoscope operation, can completely satisfy the stereoscopic vision requirement of a laparoscope operation of a minimally invasive operation robot, realizes the binocular stereoscopic vision real-time display in the laparoscope operation, has reliable performance, simple structure and high commercialization level, and adapts the germfree circumstances of the operation.

The invention discloses a method for displaying a 3D image, a television and glasses. The method comprises: receiving a 3D image signal which comprises a frame of left eye signal and a frame of right eye signal that are continuous; multiplying the frequency of the 3D image signal to obtain n continuous frames of left eye signals and n continuous right eye signals, wherein n is the number by which the frequency is multiplied and is more than or equal to 2; and displaying the n continuous frames of left eye signals and the n continuous right eye signals by using an LED driving signals for drive, wherein the LED driving signal corresponding to the first frame of left eye signal in the n continuous frames of left eye signals is closed, the LED driving signal corresponding to the nth frame of left eye signal is open, the LED driving signal corresponding to the first frame of right eye signal in the continuous n frames of right eye signals is closed and the LED driving signal corresponding to the nth frame of right eye signal is open. In the invention, mutual interference of left and right frames is avoided, the energy consumption of a backlight source is reduced and the cost of the whole machine is reduced.

A display apparatus which can simultaneously display a plurality of images such as a two-dimensional image or a three-dimensional image, and an image display method therein, the display apparatus including: a signal receiving part which receives a first image signal; an image processing part which generates a second image signal and a third image signal based on the first image signal; a display part which displays images based on the second and third image signals; and a controller which controls the image processing part to generate the second and third image signals, to display the image based on the second image signal in a first region of the display part, and to display the image based on the third image signal in a second region of the display part, the third image signal including a left-eye image and a right-eye image generated from the first image signal.