44 results about "Oculus" patented technology

An optical image measuring device which can form a highly reliable image even if an object moves during scanning of a signal light is provided. An optical image forming device 1 comprises: an interferometer that splits a low coherence light L0 into a signal light LS and a reference light LR and generates an interference light LC by overlaying the signal light LS reflected by a fundus oculi with the reference light LR reflected by a reference mirror 14; a CCD 34 which receives the interference light LC and outputs a detection signal; Galvanometer mirrors 22 and 23 to scan the signal light LS in a main scanning direction and a sub-scanning direction; and a computer 40 forming tomographic images G1 to Gm along the main scanning direction at different positions of the sub-scanning direction. The Galvanometer mirrors 22 and 23 scan the signal light LS in a given direction crossing the main scanning direction, and the computer 40 forms a tomographic image for correction GR along the given direction to correct displacement of each topographic image Gi based on the tomographic image for correction GR.

One moveable goal detecting equipment and method based on artificial compound belongs to artificial compound moveable goal detecting system. It relates to camera, outline border, standing pole, Yunnan and DSP processor. The moveable goal detecting method uses moveable goal division arithmetic to pick up and identify moveable goal form the video frequency picture having moveable goal. The dynamic and static state parameter testing method uses some cameras to screen the moveable goal to calculate the coordinate under the appointed world coordinate system and draw the movement track and speed. The moveable goal tracking method is about dividing up the dynamic and static state parameter of moveable goal to judge its movement trend, and run Yunnan to follow moveable goal by serial port. The panorama creating method takes the method gray-level relativity method and put multi-way overlap pictures together one large-scale seamless picture. It owns large watch field, high distinguish rate and delicacy rate.

A visual aid for using contact lenses comprises an eyeball and a cover that contains the eyeball, and a model contact lens. The eyeball includes a sclera, an iris and a pupil. The cover includes an upper eyelid and a lower eyelid that can be opened and closed. The visual aid also includes a simulated contact lens that can be placed between the eyelids and the eyeball for demonstrating the proper insertion and wearing of contact lenses. The eyelids simulate natural movements of human eyelids. Additionally, methods for using the visual aid for using contact lenses for instruction in insertion, and removal, of contact lenses from the eye are described.

The embodiment of the invention discloses a method of managing a menu in a virtual reality environment and virtual reality equipment, can avoid the problem of picture interference caused by touching a menu button during menu display, and strengthens the immersion of virtual reality. The method comprises the steps that the virtual reality equipment detects the position of the optical center a wearer; when the virtual reality equipment determines that the optical center moves to a preset area of a display interface of the virtual reality equipment according to the position of the optical center, the virtual reality equipment acquires the eyeball information of the wearer; if the virtual reality equipment determines that eyeball information meets a preset requirement, the virtual reality equipment displays the menu of the virtual reality equipment.

The present invention relates to a pork intramuscular fat content nondestructive testing method based on computer vision. The method comprises the steps of adopting a camera calibration method to calibrate a CCD digital camera, selecting the pork musculi oculi just now purchased from a slaughter house as an experiment sample, shooting and sampling the cross-section of the pork musculi oculi, carrying out the pre-processing on an obtained sample image via an improved sample block repair method, and recovering the original information of a light reflection area of the image; combining a maximum entropy method and an iteration method to carry out the image segmentation on the pre-processed musculi oculi image, and extracting the pork marbling; extracting 291 characteristic values, such as a fat number index, a fat distribution index, a fat texture index, etc., from an obtained marbling image, establishing a pork intramuscular fat content prediction model according to the characteristic values and a chemical method detection result, and finally predicting the pork intramuscular fat content via the model. By utilizing the method of the present invention, the pork intramuscular fat content can be predicted very well, and the pork nutrition detection is more objective, more accurate and more efficient.

The invention discloses an electric water heater and a control method thereof. The electric water heater comprises a body, a display screen arranged on the body, a camera arranged on the body and used for photographing a face image of a user, an image recognition unit arranged in the body, a driving mechanism arranged on the body and a central control unit arranged in the body, wherein the image recognition unit is connected with the camera and used for recognizing the included angles between eyeballs of the user and the camera according to the face image of the user, and the central control unit is used for controlling the driving mechanism to enable the display screen to rotate to the angle matched with the eyeballs of the user according to the included angles between the eyeballs of the user and the camera. The electric water heater can intelligently recognize the positions of the eyeballs of the user and rotate the display screen to the position right facing the eyeballs of the user according to the positions of the eyeballs of the user so that users of different heights can comfortably check the content of display screens on electric water heaters at different mounting heights, and user experience of the users can be improved.

The invention provides a bionic eye device capable of achieving any-angle watching and three-dimensional reconstruction and bionic eye equipment. The bionic eye device comprises a bionic eyeball frame provided with a spherical containing space, a bionic eyeball wall suspended in an opening of the bionic eyeball frame, a bionic eyeball arranged in the bionic eyeball wall in a sleeved mode, a camera, a rotation motor, a stepping motor and a runner, wherein the bionic eyeball, the bionic eyeball wall and the bionic eyeball frame are concentric; the camera, the rotation motor, the stepping motor and the runner are sequentially arranged in the bionic eyeball from outside to inside through a diameter shaft; the runner is fixedly connected to the stepping motor through a gear, and the stepping motor is arranged on a motor shaft of the rotation motor in a sleeving mode; the stepping motor drives the runner to move on the inner wall of the bionic eyeball frame so as to control the rotation distance of the runner; the rotation motor drives the stepping motor and the runner to rotate around the diameter shaft to control the orientation of the runner. The rotation motor and the stepping motor operate in a coordinated mode to drive the bionic eyeball to move in the bionomic eyeball wall around the ball center, and any-angle rotating, watching and three-dimensional reconstruction of the bionic eyeball are achieved.

The invention discloses a visual interaction method, system and device. The method comprises following steps: step 1. identifying an image of a user eyeball and locating the central position of pupil in the image by image preprocessing; step 2. calibrating: several bright spots appear in turn on a screen, and a user watches each bright spots as it appears, a system photographing the eyeball at the moment; establishing corresponding relationship between the position coordinate of each bright spots and the image of pupil position when the user watches the bright spots so as to achieve real-time display of the staring position of the pupil on the screen and achieve visual tracking; step 3. identifying whether the mapping position of the pupil on the screen and the position of the interactive icon in the screen coincide, and then determining whether to activate the icon. The technical effects that can be achieved by the present invention are as follows: the user experience in the VR experience can be improved, the response speed of the computer can be improved, the UI icon can be selected by user sight, and the screen texture of the interaction interface can be improved.

The invention discloses an electronic device. The electronic device comprises a light transmission part, used for receiving reflected light formed by reflection through eyes of a user, wherein emergent light is output after the reflected light is transmitted in the light transmission part; and an imaging component, used for receiving the emergent light and forming a first image at least containing the eyes of the user. Through the technical scheme, the technical problem of low precision of eyeball tracking based on an obtained human eye image by an electronic device in the prior art is solved.

The present invention provides an image processing method used for segmenting and grading a beef musculi oculi marbling. The image processing method provided by the present invention concretely comprises the steps of segmenting a cattle carcass musculi oculi section image; extracting the marbling in a beef musculi oculi area; and grading the beef musculi oculi marbling. The image processing methodof the present invention is a method of automatically segmenting the beef musculi oculi, extracting the marbling in the musculi oculi and grading the marbling objectively and efficiently based on thecomputer vision and image processing technologies, by grading the quality of the beef automatically, solves the problems that a conventional artificial grading method has the subjectivity and the inconsistency, the grading cost is high, the efficiency is low, etc., is suitable for but not limited to the beef production enterprises and the quality detection departments, and has the good market application prospect.

This invention provides a stereo image displaying method and eyesight recovery apparatus which stimulates the eye muscles and is inexpensive and simple.

An image for the left and the right eye are displayed on the screen 50 of an electronic device 2 alternately, an observer wears spectacles 4 which open and close in synchronism with the display of these images to produce a convergence angle and parallax to obtain a 3-D image. A 3-D image display device is used to enable the observer to focus his/her right and left eyes on the images of a 3-D image. A 3-D image 10a is displayed at a position close to the spectacles 4 and then gradually moved away from it. The eyesight recovery apparatus comprises a movement control unit 10 for moving a 3-D image 10b at a distance close to the spectacles 4 and a repetition control unit 23 for repeating the receding and approach movements. When the observer wearing the spectacles 4 tries to always focus on the 3-D images 10a and 10b on the screen 50, his/her ciliary bodies and eyeball moving muscles around his/her eyes are stimulated, thereby recovering his/her eyesight.

A system and method are disclosed for using a camera image of a user's eye as a visual stimulus for the calibration point in an eyetracking calibration system. A camera image of a user's eye is generated on a user display using an eyetracker. The camera image of the user's eye is used as a visual stimulus of a calibration point. In an embodiment, the center of the pupil of the camera image of the user's eye represents the coordinates of the calibration point on the user display. In another embodiment, the center of the corneal reflection of the camera image of the user's eye represents the coordinates of the calibration point on the user display.

The invention discloses an outdoor LED display screen based on a concave-convex lens visual persistence curtain with a scraping brush. The outdoor LED display screen structurally includes a front curtain board, locking pin sockets, a lens disc lifting brush frame, a left-hand clamping block, a luffer board frame, LED lamp bead boards and a pressing buckle horizontal bar frame. According to the display screen, the front curtain board cooperates with the lens disc lifting brush frame, through lifting of a concave-convex lens, the concave-convex lens is in lifting sliding linkage with a slide-rodjacking column, pulls a scraping brush shaving board, presses against and fits the front curtain board for snow water removal and cleaning, when the front and rear portions of the LED lamp bead boards are subjected to mapping and imaging, one layer is displayed on the front curtain board through image formation, mappings at the rear ends are converged into a concave mirror slotted disc, then a second layer is stereoscopically formed at the front end of the display screen through the magnification effect of a convex mirror block, the animated visual persistence effect is achieved, people can conveniently adjust the crystalline lenses in the eyes, there is a sense of distance, a fascinating feeling is presented, visual fatigue can be relieved, and the flexibility of machines inside the display screen is optimized.

The invention discloses an eyedrop for preventing and treating muscae volitantes as well as a preparation method and use thereof and belongs to the technical field of traditional Chinese medicine. The eyedrop is characterized by comprising the following substances in parts by weight: 0.3-1.0 part of dried orange peel, 0.3-1.1 parts of chrysanthemum, 0.8-1.8 parts of mulberry leaves, 0.6-1.5 parts of sodium chloride, 0.1-1.0 part of coptis, 0.3-1.1 parts of cortex phellodendri, 0.2-1.2 parts of pseudo-ginseng, 0.5-1.3 parts of mint, 0.4-1.3 parts of borneol, 0.3-1.2 parts of vitamin B2 and 85-96 parts of distilled water. The eyedrop for preventing and treating muscae volitantes has the effects of sterilizing and diminishing inflammation, clearing heat, relieving fever, moisturizing bulbus oculi, cooling and improving eyesight, and is capable of effectively relieving disorders such as discomfort and dehydration of eyes caused by muscae volitantes; the formula is safe and mild and contains multiple nutritional ingredients for eye health care, and meanwhile, is low in preparation cost and good in effect, has special effects on muscae volitantes and no toxic or side effects and can be used as a long-term health-care liquid medicine for eyes.

The invention discloses a bionic robot eye, and relates to the technical field of hardware devices of robot vision. A movable eyeball is arranged on the outer side of a CCD/CMOS (charge coupled device/complementary metal-oxide-semiconductor) camera, an electromagnet is arranged on the rear side of the CCD/CMOS camera, an electromagnetic coil induction substrate is arranged on one side of the electromagnet, the electromagnet is matched with the electromagnetic coil induction substrate to realize controllable movement, the electromagnetic coil induction substrate is mounted on a spherical inner shell of the eye, a spherical outer shell of the eye is arranged on the outer side of the spherical inner shell of the eye, and the movable eyeball is arranged in the spherical outer shell of the eye. Local coils on the substrate are controlled to generate magnetic force, so that an eyeball pupil can be driven to all-dimensionally move on a plane or spherical surface, and the bionic robot eye is implemented.