137results about How to "Improve viewing comfort" patented technology

A method of operating a switchable head-mounted display apparatus includes the steps of providing a head-mounted display that includes a switchable viewing area that is switched between a transparent viewing state and an information viewing state, switching the viewing state to an intermediate state from the transparent viewing state or the information viewing state, and switching the intermediate state to the transparent viewing state or the information viewing state.

The invention discloses a liquid crystal television backlight control system and a method thereof, in which the backlight control system mainly comprises a video signal analyzing unit, a region data correcting unit, a region backlight signal control unit and an average illumination adjusting unit. The backlight control method comprises the following steps: performing statistics and analysis for the video signal by regions; correcting the video signal in individual backlight regions according to the analyzed result; and generating the backlight control signal for controlling the light emitting source at each region independently according to the analyzed result and performing dynamical illumination control for each light emitting source independently. The liquid crystal television backlight control method of the invention controls independently the illumination of each light emitting source according to the grayscale level distribution conditions of video signal at individual backlight regions, thus performing dynamical control on the backlight illumination by regions, saving power consumption, enhancing contrast, and improving observational comfort.

A method for generating a stereoscopic presentation of a region-of-interest in a monoscopic information representation. The method includes the steps of: (a) selecting first and second viewpoints for the region-of-interest; (b) creating a lens surface having a predetermined lens surface shape for the region-of-interest, the lens surface having a plurality of polygonal surfaces constructed from a plurality of points sampled from the lens surface shape; (c) creating first and second transformed presentations by overlaying the representation on the lens surface and perspectively projecting the lens surface with the overlaid representation onto a plane spaced from the first and second viewpoints, respectively; and, (d) displaying the first and second transformed presentations on a display screen to generate the stereoscopic presentation.

Control of a head-mounted display includes providing a head-mounted display, the head-mounted display includes a switchable viewing area that is switched between a transparent viewing state and an information viewing state. The transparent viewing state is transparent with respect to the viewing area and enables a user of the head-mounted display to view the scene outside the head-mounted display in the user's line of sight. The information viewing state is opaque with respect to the viewing area and displays information in the switchable viewing area visible to a user of the head-mounted display. A user-state detector provides an external stimulus notification in response to a detected change in the biological state of the user and causes the viewing state to automatically switch in response to the external stimulus notification.

The invention discloses a method for providing a user interface in a display device and the display device. The method for providing the user interface in the display device comprises detecting motion vectors of the display device; computing motion vectors which are used for preventing the user interface and user relative positions from changing based on detected motion vectors of the display device; moving the user interface in a display screen of the display device according to the motion vectors of the user interface. According to the method for providing the user interface in the display device, user relative position change of the display device is prevented due to the fact that the user interface on the display screen of the display device is moved and accordingly the user is prevented from dizziness and watching comfort of the user is improved.

A system and a method of compensating background brightness for a display apparatus are disclosed. The display apparatus has a screen for displaying images, and said method comprises steps of: (a) detecting an intensity of ambient light in the front of the screen; (b) obtaining a representative brightness of an image displayed on the screen; (c) determining a backside spotting reference reflective luminance value according to the ambient light intensity and the image representative brightness; and (d) spotting in the rear of the screen by using a lighting module and thus making a spotting intensity to achieve the reference reflective luminance value. The said method and system can reduce eye fatigue and discomfort of viewers.

A head-mounted display apparatus includes a head-mounted display, the head-mounted display including a plurality of independently controllable switchable viewing areas that can each be independently switched between a transparent state and an information state. The transparent state enables a user of the head-mounted display to see the scene outside the head-mounted display through the independently controllable switchable viewing areas. The information state is opaque and displays information in the independently controllable switchable viewing areas visible to a user of the head-mounted display. Circuitry produces a control signal for controlling the states of the independently controllable switchable viewing areas and a controller responsive to the control signal independently switches each of the independently controllable viewing areas between the transparent state and the information state.

The general field of the invention is that of peroperative optical probes designed to assist surgeons in performing medical procedures. The optical probes of the fluorescence type according to the invention are designed to be used on living tissues where the diseased areas have been marked by a fluorescent marker. They have dual lighting. The first situated in the red or near-infrared spectrum is necessary for achieving the fluorescence of the marked areas and for obtaining an image exploitable by a camera. The second situated in the visible spectrum is necessary for illuminating the marked areas with visible light, thus making the surgeon's work easier. The visible lighting can be punctiform or can be provided by an image projector. In the latter case, the projected image illuminates only the diseased areas.

The invention discloses a method and a device for automatically setting a desktop background, and electronic equipment. The method comprises the following steps of obtaining present external environment information; and selecting a matched desktop background set strategy to set up the desktop background according to the present external environment information. According to the method and the device, by obtaining the present external environment information and selecting the matched desktop background set strategy to set up the desktop background according to the present external environment information, the desktop background can be correspondingly switched according to different times, so that the use experience of users is improved, and the enjoyment is enhanced.

A method of identifying a motion-sickness problem in a motion-image sequence includes using a processor to analyze the image-sequence information to identify a propensity that the image sequence can induce motion sickness in a user and forming a saliency map calculated from salient static and dynamic visual features in the image-sequence information. The method further includes identifying moving and static objects and parameters in the saliency map describing the characteristics of the moving and static objects and distribution of salient features that can induce motion sickness in the identified image-sequence information, determining the propensity of the identified moving and static objects and parameters in the saliency map that can induce motion sickness, and producing a signal based upon the determined propensity to identify a motion-sickness problem in the image sequence.

The invention relates to a method and system for correcting images shot in a stereoscopic mode. The method for correcting the images shot in the stereoscopic mode comprises the following steps that S1, the color deviation ratio of two camera modules used for stereoscopic shooting in a standard color temperature environment is acquired; S2, the color temperature of a used environment is measured, and the current color deviation ratio is determined; S3, two ways of images acquired by the two camera modules are corrected according to the current color deviation ratio. According to the method and system, the deviation of all ways of images on color and brightness can be adjusted dynamically in real time, the influence of the difference of an image sensor and environment light on imaging is removed, and the watching comfort level and the stereoscopic feeling can be obviously improved.

The invention discloses a control method of a media player of a vehicle and a navigation multimedia system. The control method includes acquiring a current driving condition of the vehicle, and controlling the media player according to the current driving condition. By the means, playing control of the media player is related to the current driving condition, so that better watching comfort is provided for multimedia playing in the vehicle, and playing effect is improved.

The invention provides a quantum dot film and a backlight module. The quantum dot film sequentially comprises a first anti-reflection layer, a first transparent sheet layer, a quantum dot layer, a second transparent sheet layer and a second anti-reflection layer. The first anti-reflection layer achieves permeability increase on blue light, and the second anti-reflection layer achieves permeability increase on red light and green light. The first anti-reflection layer achieving permeability increase on the blue light is arranged to achieve permeability increase on the blue light to improve the lighting effect, and the second anti-reflection layer achieving permeability increase on the green light and the red light is arranged to guarantee that spectators have better watching comfort.

The invention relates to an image filtering and denoising method. According to the method, firstly a filtering window is established to filter image signal data, then according to each pixel gray value in the filtering window, the area contrast corresponding to the filtering window and the weight coefficient of each pixel of the filtering window are obtained, finally for the center points, the gray value of each pixel in a center point setting range is subjected to weighting and averaging processing with the corresponding weighted coefficient in the filtering window so as to obtain the gray value after center point filtering, so on and so forth, and the gray values of other pixels after filtering of the whole image are obtained. According to the image filtering and denoising method, the problem that the threshold of a high contrast area can not be adapted to the threshold of a low contrast area when the high contrast area and the low contrast area are considered at the same time in the same image can be solved.

The invention belongs to the technical field of stereo display and provides a liquid crystal lens. The liquid crystal lens comprises a first substrate, a second substrate and liquid crystal molecules, wherein the first substrate and the second substrate are arranged oppositely, a plurality of first strip-shaped electrodes are arranged on the first substrate at intervals, a plurality of second strip-shaped electrodes parallel to the orientation of the first strip-shaped electrodes are arranged on the side, facing the first substrate, of the second substrate, and the two adjacent second strip-shaped electrodes are spaced by a certain distance. When the liquid crystal lens is used for 3D display, a plurality of liquid crystal lens units which are identical in structure and are distributed in an array mode are formed between the first substrate and the second substrate, each liquid crystal lens unit corresponds to one second strip-shaped electrode and at least two first strip-shaped electrodes, the width of the second strip-shaped electrodes is smaller than the distance of the liquid crystal lens units, and the central lines of the liquid crystal lens units and the central lines of the corresponding second strip-shaped electrodes are on the same straight lines. The invention further provides a stereo display device with the liquid crystal lens. Crosstalk can be obviously reduced, and the stereo display effect can be improved.

The invention discloses a terminal screen backlight adjusting method and a terminal. The terminal screen backlight adjusting method is characterized in that iris information and pupil information of eyes of a current user can be acquired under current backlight intensity of the terminal, and the area proportion of the iris and the pupil can be calculated according to the iris information and the pupil information, and can be used as the real-time sample data; by comparing the real-time sample data with the preset target sample data, when the real-time sample data is different from the target sample data, the screen backlight can be adjusted according to the preset strategy. Based on the adjusting of the screen backlight by the photoreceptor, the terminal backlight intensity can be adjusted automatically according to the real-time iris information and the real-time pupil information of the eyes of the user, the user requirement can be satisfied, and therefore the eyes of the user can be protected, and the watching comfortableness by using the eyes can be improved, and at the same time, the electric quantity of the terminal can be saved.

The invention discloses an intelligent brightness adjusting method, an advertisement machine and a readable storage medium. The intelligent brightness adjusting method comprises the following steps: based on a first infrared detection result currently detected by a human body infrared sensor of the advertisement machine, determining whether there is a user within a preset range corresponding to the advertisement machine; if so, starting an LCD (liquid crystal display) screen of the advertisement machine and backlight of the LCD screen to display corresponding advertising information of the advertisement machine; determining a first man-machine distance between the user and the advertisement machine based on the first infrared detection result; and adjusting the backlight brightness of theLCD screen according to the first man-machine distance. The method can intelligently judge whether there is a person in the preset range, and if so, plays the advertisement; and besides, the method can adjust the backlight brightness of the LCD screen according to the first man-machine distance to allow the user to see the advertisement content in a distant environment, or can see the advertisement content in a close environment without dazzling, thereby improving watch comfort level.

The invention provides a method for controlling an application in a control mode. The method comprises: detecting a control mode of starting the application by a user and establishing an associative relationship between the application and the control mode; and detecting and determining the control mode associated with the application and controlling the corresponding application in the associated control mode. According to an embodiment of the invention, in a state that multiple applications run at the same time, the user can select different control modes to accurately operate required corresponding applications; the application corresponding to the control mode can be switched to a current interface of a screen only through one-time user control, and the corresponding application is subjected to various function management in the control mode, so that quick switching among the multiple applications is realized and the multi-task user experience is greatly improved. Meanwhile, multiple adaptively zoomed-out applications do not need to be presented in the screen at the same time, so that the control accuracy and watching comfort of the user are improved.

The application discloses a viewing mode switching method and device for display equipment. The method comprises the steps of: establishing at least one viewing mode in advance for the display equipment, wherein each of the viewing modes has a viewer type and a corresponding working attribute; acquiring a current viewer type; judging whether the current viewer type is matched with a certain viewer type in a pre-established viewing mode corresponding relationship, and if yes, proceeding to the next step; and switching a viewing mode of the display equipment into the viewing mode corresponding to the matched viewer type. Therefore, the viewing comfort of a viewer is improved, and related working attributes of the display equipment do not need to be manually regulated, so that use convenience and rapidness are improved.

An image processing method and device for an LED display screen are disclosed. The method converts original data of an image into gray scale data, and comprises the steps of dividing a pixel unit of the image into a plurality of sub-regions; and combining the plurality of sub-regions respectively, so that the gray scale value of at least a portion of the pixel unit is increased while the overall gray scale value of the plurality of sub-regions is maintained. By combining the sub-regions of the image, the method can reduce the brightness of the LED display screen without reducing the refresh rate so as to improve the viewing comfort and improve the image display quality.

A method of operating a switchable head-mounted display apparatus includes the steps of providing a head-mounted display that includes a switchable viewing area that is switched between a transparent viewing state and an information viewing state, switching the viewing state to an intermediate state from the transparent viewing state or the information viewing state, and switching the intermediate state to the transparent viewing state or the information viewing state.

The invention relaters to a naked-eye 3D display module for games and a preparation method of the naked-eye 3D display module. The naked-eye 3D display module for games comprises a piece of grating glass and a liquid crystal layer; the liquid crystal layer is a piece of liquid crystal glass, the grating glass comprises a naked-eye 3D imaging material and a piece of optical super white glass which are attached by an optical adhesive layer; oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by a high-definition camera. According to the naked-eye 3D display module for games and the preparation method of the naked-eye 3D display module, oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by the high-definition camera, the alignment accuracy and the consistency are increased, and the production efficiency is improved to a great extent; the liquid crystal glass but not a liquid crystal display is adopted, so that full contact of the grating glass and the liquid crystal glass can be realized, the grating glass is directly attached to the liquid crystal glass by an attaching technology, and the flatness of the display module is improved greatly.

The invention provides a multi-view naked eye 3D video conference system, comprising a server terminal and a client, wherein the server terminal and the client establish communication, the client is provided with at least one camera, a single camera is used for shooting a client user, the client is further provided with an image uploading module and an image display module, and the image display module decodes and converts a multi-view image synthesis encoding result returned by the server terminal to display a 3D naked eye video; and the server terminal is provided with at least three cameras, a plurality of cameras are used for shooting server images, the server terminal is further provided with a camera input module, a face detection module and an image processing module, and the image processing module carries out synthesis encoding on a face of the client user detected by the face detection module and a multi-view image obtained by the camera input module and transmits the same to the client. By adopting the multi-view naked eye 3D video conference system provided by the invention, the usability and the application field of multi-view scenes are greatly expanded, and meanwhile, the user experience and the performance can be improved.

The invention provides a child safety seat system. The child safety seat system comprises a child safety seat with a seat part and a base part, and a controller, wherein the base part is provided witha transmission mechanism, and the transmission mechanism is capable of making the seat part ascend and descend in the vertical direction, horizontally move in the horizontal direction and / or rotate around one axis under the control of the controller. The invention also provides a method for operating the child safety seat system. The method includes the steps that a vehicle door and a vehicle seat are detected through a sensor, and when it is detected that the vehicle door is opened and the child safety seat exists on the seat beside the vehicle door, the sensor sends information to the controller, and the controller controls the child safety seat to rotate to the placement position facing the vehicle door opening direction. After a reset instruction is received, the controller controls the child safety seat to return to a seating position corresponding to a safe position of the child safety seat when a vehicle normally runs.