1333 results about "Eye Fatigue" patented technology

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.

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 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 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.

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 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.