1335 results about "Eye Fatigue" patented technology

An object of the present invention is to provide a stereoscopic video recording method, a stereoscopic video recording medium, a stereoscopic video reproducing method, a stereoscopic video recording apparatus, and a stereoscopic video reproducing apparatus that are capable of more optimally performing recording and reproduction of stereoscopic video. According to one solving means of the present invention, a stereoscopic video recording method records, in a recording medium, stereoscopic video including left-eye images (2) and right-eye images (1) utilizing parallax information, by using a stereoscopic video recording apparatus (6). From video content that contains stereoscopic images, the method grasps the amount of variation in parallactic angle having a given or larger value, a variation time that the variation in parallactic angle takes, and the number of times that the variation in parallactic angle occurs. The method then calculates an evaluation value that corresponds to the degree of eye fatigue on the basis of the amount of variation, the variation time, and the number of times of the variation, encodes the video content in such a manner that the evaluation value is within a given range, and records the encoded video content in the recording medium.

Methods and systems to process stereo images and video information, and, in particular, to methods and devices to transfer and / or transform stereo content to decrease eye fatigue of a user during viewing of 3D video. The methods and systems can compute an initial map of disparity / depth for stereo images from 3D video, smooth a depth map, change depth perception parameters according to the estimation of eye fatigue, and generate new stereo image according to the depth perception parameters.

An AC-to-DC voltage converter as power supply for lamp converts an AC input voltage to a constant DC voltage at predetermined value set by potentiometer. The converter includes input power supply 210, input protection circuit 201, EMI filter 202, rectifier 203, filter 204, converter 206, output filter 214, lamp 211, start circuit 208, control circuit 209, biasing circuit 212, sampling circuit 207, output protection circuit 200, feedback and dimming circuit 205 and input monitor circuit 213. This version is a flyback converter; versions from other topologies etc are also provided. The converter has feedback function that can regulate output voltage at predetermined value. The converter has dimming function and can adjust lamp brightness for conformability. The output constant brightness decreases peoples' eyes fatigue to minimum level.

Provided are an image processing apparatus and method which can adjust the disparity of an input three-dimensional (3D) image and stably display the 3D image. The image processing apparatus includes: an image dividing unit receiving a 3D image and dividing the 3D image into a left-eye image and a right-eye image; a histogram generation unit estimating disparities between the left-eye image and the right-eye image, measuring a frequency with which the estimated disparities occur, and generating a histogram of the disparities and the frequency; a horizontal movement value determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the generated histogram; and a horizontal movement unit moving the left-eye image and the right-eye image horizontally based on the determined horizontal movement value. The image processing apparatus can control convergence of an image to enhance 3D effects and reduce eye fatigue.

A method of enhancing the readability of rapidly displayed text and with rapid apprehension, at a rate which is greater than the maximum unaided reading capability of that subject using the method. The method comprises a rapid and sequential moving of the words of text through a window on a screen of a computer monitor. In accordance with the method, the words are allowed to pass through or be displayed in the display window, one word at a time, and at a rate in which the time for display which is based on the number of characters in a word is related to and a function of the total amount of time required for all of the words in a segment of the text to be displayed. A time for display of each word of average character length is the same, and that certain words in a segment will be displayed for a longer period of time than other of the words. Usually, the words which contain more characters will have a longer display period. The present invention also provides an area on the screen of the monitor in which the previously read words of the segment of the text are printed as a full display, such that the reader may rapidly review the words of that segment previously presented on the window of the monitor, and then also rapidly scan entire portions of the text which have already been displayed. The method also involves the use of a selected color and patterned background, to enhance readability. In accordance with this method, the reading rate is substantially increased, and eye fatigue and strain is substantially reduced.

A three-dimensional (3D) image processing apparatus and method are provided for use with a 3D, image divided into a left-eye image and a right-eye image. The apparatus includes a disparity estimation unit estimating disparities between the left-eye image and the right-eye image; a horizontal movement determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the estimated disparities; and a horizontal movement unit horizontally moving the left-eye image and the right-eye image based on the determined horizontal movement value. In the method and apparatus, a receiving end which receives and displays a 3D image can enhance 3D effects and reduce eye fatigue by adjusting the disparity of the 3D image.

A device for digitally generating a plurality of still pictures consist of a bistable reflective full color flat panel display such as an interference modulation flat panel display (IMD), a coated non-glare coating on the viewing side of the display panel, a cartridge shaped CPU, and a cartridge shaped audio / video playback system which are located in the picture frame. The reflective display disclosed in this patent resembles a traditional painting or photograph, and allows better viewability and reduces eye fatigue linked with luminous display device. The reflective flat panel display has bistable characteristics and therefore it consumes extremely low power in a still picture display state, and it is preferably powered by a set of batteries. The device is a structure resembling a framed picture, portrait, or a painting used in a home, hotel, museum, gallery, building corridor, or any people gathering place, and the displayed content can be easily changed digitally.

Triple Screen Arcade is a video circuitry design that provides a low cost method for creating three video outputs that span a single large video bitmap area. The method uses low cost video controller chips intended for dual screen applications of Laptop PCs (personal computers) combined with an FPGA (field programmable gate array) and other electronic parts. Further a video driver methodology is used to make the process work well in common operating systems. The video product is used for three screen video arcade games, three screen flight simulators and three screen business applications. Three screen spanning using the single large memory map is possible with off-the-shelf high speed gaming and graphics computer programs. All three display data flows are vertically phased locked to reduce eye fatigue and to make frame to frame timing the same for all three displays, thus improving animations that span all three displays.

In a method of simulating a lens using augmented reality, a user who desires to purchase a vision correction product may wear lenses precisely corrected using a computer device through a virtual experience, and inconvenience of frequently replacing various lenses when taking an eye examination is considerably mitigated. An effect of wearing a variety of vision correction products in a short time period can be experienced, and it is expected to be able to select an optimized custom-tailored vision correction product. Particularly, in manufacturing a functional lens which has complicated manufacturing steps and requires a precise examination, such as a progressive multi-focal lens, a coating lens, a color lens, a myopia progress suppression lens, an eye fatigue relieve lens or the like, it is expected that a precise product can be manufactured, and manufacturing time can be greatly reduced.

Autofocus head mounted display device, including an imager (10) and an eyeball tracker (11). The imager includes a display element (12, 32, 52), an optical element (13, 35, 55) and a controller (14, 38, 58). An image light is projected to one of the eyeballs (15a, 15b, 37, 47, 57) of the user by the display element. The convergence or divergence of the image light is adjusted by the optical element through the controller. The image is presented at an imaging position in front of the eyeballs of the user. The eyeball tracker is disposed at the position in front of the user's eyes. Both left eye and right eye rotational angles are detected simultaneously, so as to determine a focus position of the user's eyes. The eyeball tracker is connected to the controller. The optical element is adjusted by comparing the imaging position and the focus position, and the imaging position of the image is moved to the focus position, thus preventing the user from having eye fatigue caused by long-term focus in the same position, and enhancing user of comfortableness.

The invention belongs to the technical field of image processing and mode recognizing and relates to a fatigue driving detection method based on eye and mouth states. The method includes the steps of diver's video image acquisition, light compensation preprocessing, facial area detection, comprehensive fatigue judgment and fatigue alerting. The step of facial area detection includes eye detection and mouth detection; eye detection includes acquiring an eye area by means of a projection method, analyzing eye features, comparing the eye features to standard features, and performing k-means computation and eye fatigue judgment; mouth detection includes acquiring a mouth area by the mouth-map method, analyzing mouth features, comparing the mouth features to standard features, performing p-means computation and yawn judgement. According to the method, the eye feature parameter and the mouth feature parameter are combined for judgment; compared with the use of the single parameter, the method has higher rate and reliability of fatigue judgment; by the use of the method, traffic accidents caused by driver's fatigue driving can be greatly decreased; a new preventive measure is provided for ensuring life and property safety of drivers.

A pair of health-caring glasses consists of two lenses, a bridge and two temples. The bridge is fixed between the lenses by screws, provided with two nose pads respectively inlaid with a loadstone. The temples are respectively positioned at an outer portion of the lenses, provided with a rubber sleeve made of far infrared material, and a plurality of massage projections closely spread on the rubber sleeve. By means of resonance created by the loadstone, far infrared released by the rubber sleeves and massage projections to massage acupuncture points about head, a user wearing the glasses can ease eyes fatigue, has his or her face beautified and brain stimulated.

An apparatus, method, and medium displaying a stereo image compensates for errors between a left image and a right image to reduce eye fatigue experienced by a user. The apparatus includes a feature-point extractor to extract feature points of graphics objects included in a left image and a right image, of a stereo image, a representative-vector determiner to determine a representative vector among vectors between a predetermined point and the feature points, an error-correction unit to correct at least one of a vertical error and a rotation error between the left image and the right image using a difference between the representative vector determined in the left image and the representative vector determined in the right image, and a display unit to display the left image and the right image for which at least one of the vertical error and the rotation error has been corrected.

The invention relates to an intelligent display system automatically tracking a head posture. The system can capture the head posture of a human body in real time, a display follows the head of the human body, the display and the head are constantly kept at optimum positions, eye fatigue can be relieved, and myopia can be prevented. The system comprises an image acquisition module, a vision algorithm processing module and a display control module. The image acquisition module is used for acquiring the image of the head of the human body in real time; the vision algorithm processing module is used for firstly preprocessing the image, constantly keeping the head at a vertical position in the image, secondly extracting feature points of a human face by the aid of an ASM (active shape model) algorithm, and finally acquiring the spatial posture of the head according to the triangular surveying principle of elevation angles and side-tipping angles. Head posture information is transmitted to a steering gear control module and then calculated by a single chip microcomputer to form a PWM (pulse width modulation) signal for controlling a steering gear, so that the display follows the head posture at two degrees of freedom of elevation and side-tipping.

A method and apparatus for reproducing a stereoscopic image are provided. The method includes generating information about parallax between a left-eye image and a right-eye image of objects included in the stereoscopic image based on a stereo camera parameter of the stereoscopic image, controlling the depth of the objects in the stereoscopic image based on the generated information, and reproducing the stereoscopic image based on the controlled depth. Accordingly, the stereoscopic image can be reproduced while minimizing the eye fatigue of a viewer.

The invention discloses a see-through rate adjustable head mounted display device. The see-through rate adjustable head mounted display device comprises a main body frame, a camera, an optical system, a control system and a micro display group; the micro display group comprises two overlapped transparent display screens; the first display screen is used for displaying CGIs (Computer Generation Image); the second display screen which is a pixel-level see-through rate controlled display screen is used for controlling the see-through rate of the micro display group; the first display screen is located on the close-to-eye side of the second display screen. According to the see-through rate adjustable head mounted display device, the see-through rate of an HMD (Head Mounted Display) is adjusted through the second display screen which overlaps with a CGI display screen and every pixel of the second display screen can be individually controlled, so that control on the pixel-level see-through rate can be achieved, the requirements for comfort, clarity and the like of the HMD of users can be furthest met, the eye fatigue feeling which is produced in the using process of the HMD is reduced, and the availability of the HMD is greatly removed.

The invention discloses an electricity-saving method of a handheld terminal browser, which comprises the following steps: receiving a user webpage request and acquiring webpage source data, setting a background color and the colors of webpage elements, and gradually rendering the webpage and displaying, wherein the background color of the webpage is changed to black, the colors of the characters and links among the webpage elements are changed into deep green or dark golden, the background colors of controls such as buttons, dropdown lists and input lists are changed to a color similar to the background color but greatly different from that of characters. When the electricity-saving method of the handheld terminal browser is used, the power consumption of the handheld terminal browser is reduced effectively, and the problem of eye fatigue in long-term reading of a white background webpage in a dark environment is solved.

The invention discloses a multi-index fusion-based driver fatigue detection method. The method comprises the steps of firstly, acquiring a face image of a driver in a normal state to carry out human face positioning, selecting a first face feature point, and determining a driver eye fatigue judgment threshold value through the first face feature point; acquiring a face image of the driver in a driving state, carrying out human face positioning, selecting a second face feature point, and calculating an eye fatigue index, a mouth fatigue index and a head posture fatigue index of the driver; andin combination with the eye fatigue index, the mouth fatigue index and the head posture fatigue index, judging whether the driver is in fatigue driving or not. According to the method, various physiological characteristics of a person in a fatigue state are comprehensively considered, and the fatigue state of the driver is detected in a multi-index fusion mode, so that the fatigue state of the driver can be detected more accurately, and the problems of easy disturbance and low identification accuracy of a traditional single-index detection method are effectively solved.

The invention provides methods and apparatuses for vision therapy procedures using laser interference patterns for relieving eye strain. One of the methods provided controls a speckle pattern in such a manner that an interesting visual stimulus is created which attracts and retains a viewer's attention and forces the eye to adjust to distance vision. This stimulates relaxation of the ciliary muscles of the viewer's eyes and contributes to the relief of eye strain. Another method provides electronically generated holograms for exercising eye muscles in order to relieve eye strain. The present invention provides further methods and apparatuses which may be used in a computer user's workplace.

Provided are a display device and the driving method of the display device with which eye fatigue of a user in long-term use of the display device is reduced. The display device includes a display unit, a detection unit, and a control unit. The detection unit detects a condition of a user's eye to obtain detected information and transmits the detected information to the control unit. The control unit extracts fatigue information on the user from the detected information and drives the display unit such that a luminance of light with a wavelength shorter than or equal to a predetermined wavelength among light emitted from the display unit is changed on the basis of the fatigue information.

The invention provides an air conditioning eyeshade. The air conditioning eyeshade comprises an eyeshade body, an eye attaching part, a fan and a filter part, wherein the eyeshade body is provided with an air inlet and an air outlet, the eye attaching part is attached to the skin surrounding the eye in a sealing manner, the inner surface of the eyeshade body, the inner surface of the eye attaching part and the skin on the periphery of the eye of the human body are collectively encircled to form an eye outer cavity, external air enters the eye outer cavity through the air inlet after being filtered by the filter part, so that the eye outer cavity has functions for maintaining the parameters such as air cleanliness, temperature, humidity, anion concentration, oxygen content and the like in a local environment of the eye, and an effect for alleviating the eye fatigue and relaxing the eye muscles can be realized.

The present disclosure relates to a face support that has a built-in drug carrier containing medicinal ingredients for protecting eyes from diseases and reducing wrinkles around the eyes. The face support having a drug carrier according to the present disclosure is designed to cover a facial area around the eyes and comprises: a housing with a predetermined installation space defined therein and a plurality of vent holes formed in one side in the proximity of the globe of the eye when the face support is worn, the vent holes serving to communicate the installation space with the outside; a main body having a fixing member for fixing the housing to the face of a user; and a drug carrier installed inside the main body and containing medicinal ingredients useful for protecting the eyes from diseases and relieving eye fatigue. The drug carrier comprises a medicinal herb layer containing the medicinal ingredients to enable transdermal delivery of the medicinal ingredients. As the medicinal ingredients for relieving eye fatigue and protecting the eyes from diseases directly penetrate through the skin or a mucosa, the face support having a drug carrier according to the present disclosure is very advantageous in that it is convenient to use and is excellent in relieving fatigue and reducing wrinkles around the eyes.

The invention belongs to the technical field of health-care foodstuff, and provides eye-protecting blueberry-raspberry functional food. The eye-protecting functional food comprises, in parts by weight: 15-40 parts of blueberry polyphenol extract product, 15-40 parts of raspberry polyphenol extract product, 10-20 parts of lycium ruthenicum polyphenol extract product, 0.1-2 parts of fructus lycii carotenoid extract product, 0.1-2 parts of zeaxanthin extract product, 0.1-2 parts of tagetes erecta xanthophyll extract product, 10-20 parts of haw flavone extract product, 10-20 parts of ginkgo biloba leaf flavone extract product, 10-20 parts of pueraria flavone extract product and 0.1-1 part of beta-carotene. The eye-protecting blueberry-raspberry functional food can be prepared into tablets, capsules, electuaries, leisure foodstuff or beverages, and has substantial efficacy of protecting eyesight, alleviating eye fatigue and preventing light injury.

An apparatus and method for preventing, controlling and / or treating vision disorders, such as eye fatigue and myopia, comprises a panel or a plurality of panels with a contrast stimulus or contrast stimuli presented to a peripheral vision or peripheral visions. A contrast stimulus may be a spatial frequency contrast, a luminance contrast, a translucency / transparency contrast, a depth contrast or a spectral contrast. The panel is configured to fit on screens, monitors, televisions, displays and the like. The panel may be adapted to fit on hats, glasses, the head, and the like. The panel may be constructed to be portable and stand alone, to be used while viewing a primary object, such as a visual display monitor, a book, or the like.

A system and method for characterizing and adjusting an offset between displayed stereo image pairs allows for calibration of the stereo image content for each display environment. The stereo image content is typically authored assuming a particular display image size. When the stereo image content is displayed in a display environment that does not conform to the particular display image size the offset between displayed stereo image pairs is increased or decreased, resulting in a viewing experience that is different than intended. In some cases, the viewer may experience discomfort due to eye strain or eye fatigue. Adjusting the offset during the playback of the stereo image content may improve the viewer experience.

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.

The invention discloses a method, a device and a terminal device for controlling display of a display interface. The method includes that a terminal device camera is used for conducting real-time recognition, and the first focus point position of the user pupil on the display interface of the terminal device is recorded; when the fact that the shaking quantity of the terminal device is equal to or larger than a first preset threshold is detected, the second focus position of the current user pupil on the display interface is obtained; the second focus point position and the first focus point position are compared, and corresponding X offset, Y offset and Z offset of the second focus point position relative to the first focus point position in the X direction, the Y direction and the Z direction are calculated; contents on the display interface are controlled to move in the X axis, the Y axis and the Z axis according to the offset. By means of the process, offset of the contents on the display interface and focusing of the user pupil in a shaking process can be compensated, eye fatigue and discomfort of a user during recognizing and checking are avoided, and user experience and feel about the mobile terminal are improved.

The invention relates to a pair of intelligent healthy spectacles for children. The pair of intelligent healthy spectacles plays a role in monitoring and intervening in the daily eye behaviors of the children and can prevent and control myopia. The spectacles comprise two spectacle frames, a spectacle nosepiece connected between the two spectacle frames, nose pads arranged on the inner sides of the two spectacle frames, main frames connected with the outer sides of the two spectacle frame, and spectacle legs connected with the two main frames, wherein electro-oculogram collection electrodes are arranged on the two nose pads; a human-body standard electrode is arranged on the spectacle noisepiece; distance sensors and light sensors are arranged at the joints of the outer sides of the spectacle frames and the main frames; and horizontal sensors, control chips, active intervention vibrators and batteries are arranged at the tails of the two spectacle legs. The spectacles can form personalized eye using intervention training for the children, and can be used for realizing the quantification of eye fatigues so as to achieve the purposes of eliminating the fatigue, preventing the myopia and preventing and curing juvenile myopia.

The embodiment of the invention discloses an eye fatigue detection method, a device and a user device. The method comprises steps of when detecting that a user stare at a display screen of the user device, acquiring eyeball motion parameters of the user; carrying out weighting summation on the eyeball motion parameters to acquire a weighted sum value and determining the weighted sum value to be the fatigue degree of the eyes of the user; and judging whether the fatigue degree is higher than a preset threshold value, and if yes, determining that the eyes of the user are in the fatigue state. According to the invention, fatigue state detection can be performed on eyes of the user.

The invention relates to a naked eye three-dimensional display device and method through combination of visual fatigue detection. The device mainly is composed of an infrared binocular camera, an eye image analysis unit, an eye space position feedback unit, an eye visual area adjustment unit, a left and right view display and adjustment unit, an eye fatigue detection unit and a video output unit. According to the method, space coordinates of eyes are positioned in real time through adoption of an eyeball tracking technology; eye position movement is tracked in real time and subpixels of corresponding liquid crystal raster image are rearranged through adoption of a programmable logic array technology, thereby changing an optimum viewpoint area, the image crosstalk in an eye watching process is effectively reduced, and the viewing experience of a user is improved. Through application of the technologies, an eye fatigue state of the user in the viewing process is detected, measured and evaluated in real time, and the bad physiological reaction degree of the user is judged, thereby prompting the user to take measures to prevent or mitigate visual fatigue timely.