111results about How to "Meet visual needs" patented technology

The invention provides a method for realizing multi-screen playing video, comprising steps: finishing the connection and management of plural video cards and display devices; the computer reading the display resolution gross data and the number of the display device, recording the relative position number of respective display device; CPU calculating a dividing way of an entire video image frame based on the quantity of the display device and the number of the relative position, determining the display device number and the divided zoom ratio corresponding to respective divided original resolution video image data block; CPU dividing each frame video image data of the multi-screen playing video file to plural original resolution video image data blocks based on the dividing mode, transmitting each data block to the corresponding display card by a bus; each display card processing zoom to the original resolution video image data block according to the zoom ratio and displaying on the display device. The invention improves the refreshing rate of the multiple-screen playing, reduces the CPU occupation resource and achieves the real time playing effect.

An intelligent elevator control system comprises an elevator controller, a central processing platform and a remote server. The central processing platform is installed in an elevator cage and connected with the elevator controller and the remote server. The central processing platform is used for providing an operation interface for an elevator riding user or directly recognizing the elevator riding authority of the elevator riding user. The central processing platform judges whether the user has the elevator riding authority according to the operation of the user or the automatic recognition result and through the combination of the identity information, stored in the remote server, of the elevator riding user and controls the elevator controller correspondingly. The elevator controller controls the elevator cage to run. The elevator riding authority of the user is managed, and the user can conveniently ride an elevator through wireless identity recognition measures; for the cloud service network information of the user, precise video advertisements can be automatically pushed to the user and property community public information can be automatically broadcasted to the user; the requirements for vision and information are met when the user rides the elevator.

The invention discloses a children cognitive system based on augment reality technology and a cognitive method. The children cognitive system based on the augment reality technology comprises an image information input module, an image information matching module, a drawing model module and a voice recognition module. A set of recognition identifications are developed through interfaces of an ARToolkit augment reality development kit, a Microsoft Speech SDK voice recognition engine, a 3D max modeling tool and the like, and a children cognitive platform performs simple interaction with a virtual scene in a computer through voice recognition. Operations like moving, amplifying and contracting a model are achieved through OpenGL image processing technology and 3D modeling technology. The children cognitive system based on augment reality technology and the cognitive method have the advantages of being short in development cycle, good in maintenance, good in portability and easy to modify. In addition, a user can use the cognitive system based on augment reality technology and the cognitive method to write a literary handbook, good learning effect is achieved, and the cognitive platform which is strong in interaction is provided for a child to use an augment reality application system.

The invention discloses a self-adaptive and rapid correcting method for a fish-eye lens. The self-adaptive and rapid correcting method for the fish-eye lens comprises the steps that an equidistant projection model is constructed and straight lines at different positions are extracted to obtain a point set; camera parameters are initialized and noise filtering is carried out on the point set; the image plane of the straight lines is further optimized according to the rule that the straight line must be projected as straight lines; the optimized image is projected to six faces of a largest inscribed cube of a unit watching ball by unfolding the cube, and the projection is output; secondary correction is carried out on primary calibration of the same equipment, and if the output projection result has deviation, recalibration is carried out. Through the self-adaptive and rapid correcting method for the fish-eye lens, the fish-eye lens can be rapidly corrected, a large amount of calculation is avoided, the result is accurate, and operation is convenient and rapid.

A method for providing a spectacle ophthalmic lens to a wearer, the method comprising the following consecutive steps: measuring the visual acuity value(s), VA, of the eye(s) of the wearer or the binocular visual acuity value, VA_bino, of both eyes of the wearer where the eye(s) of the wearer is (are) substantially free of low order aberrations or is (are) corrected of low order aberrations; calculating thanks to computer means a design of the spectacle ophthalmic lens or selecting a design in a spectacle ophthalmic lens design data base by adapting the management of residual astigmatism based on the measured visual acuity value(s) of the eye(s) of the wearer.

The invention is applicable to the field of application program interface switching, and provides a method and a device for switching interfaces between application programs. The method comprises the following steps of: judging whether a new application program needs to be started; and if the new application program needs to be opened, processing a first interface and a second interface according to a predetermined three-dimension-like (3D-like) transition strategy, wherein the first interface corresponds to a started application program and the second interface corresponds to an application program to be started. By the method and the device, a 3D-like overturning effect is added to a transition effect of switching the interfaces between the application programs according to the predetermined 3D-like transition strategy.

The embodiment of the invention discloses a method and device for extracting the dominant hue of a picture, and is used for realizing accurate extraction of the main hue of the picture. The method may include the following steps: smoothing an input picture to obtain a smoothed picture; calculating the vision significance of the input picture to obtain a vision significance value corresponding to each pixel point in the input picture; according to the pixel value of each pixel point in the smoothed picture, determining the color region in color space to which each pixel point in the smoothed picture belongs, the color space including a plurality of color regions; and using the vision significance value corresponding to each pixel point as a weighted value to obtain statistical values corresponding to the plurality of color regions respectively, and determining the main hue of the input picture according to the statistical values corresponding to the plurality of color regions respectively, the statistical value corresponding to each color region including the number of all the pixel points in the corresponding color region and the corresponding vision significance values.

The invention discloses a pixel-level image authentication, tampering detection and restoration method. According to the method, different types of pictures are processed by discriminating picture categories; restoration watermark information is generated through Hamming codes and the compression principle; hash values generated in advance serve as authentication watermark information; positioningwatermark information is generated by disturbing picture pixel points; authenticity verification is performed on extracted data information through comparison; positions of tampered pixel points aredetected by comparing flag bits; and fuzzy restoration is performed on tampered images through error correction codes. Through the method, security protection can be performed on any grayscale image or color image; and a change with arbitrary granularity in an image can be detected, and the tampered pixel points can be positioned. By use of the method, authenticity verification can be performed onimages in arbitrary forms, such as scanning images, handwritten signatures and electronic files, and then pixel-level detection and restoration can be performed on the tampered images.

The invention discloses a nanometer Ag antimicrobial comprising nanometer Ag particle, a solubilizer, a water-soluble polymer, a plasticizer, a processing modifier, a solvent, a film-forming assistant, essence, pigment, distilled water or deionized water. The invention also disclosed a preparation method of the nanometer Ag antimicrobial. The preparation method comprises the steps of: adding the nanometer Ag particle into the distilled water or the deionized water, adding the solubilizer and the water-soluble polymer, and stirring to prepare a solution A; adding the plasticizer and the processing modifier (acrylate (ACR)) into the solvent, stirring, adding the film-forming assistant, and stirring to prepare a solution B; and adding the solution A into the solution B, adding the essence and the pigment, and stirring to obtain the nanometer Ag antimicrobial. The nanometer Ag antimicrobial disclosed by the invention has the advantages of strong adhesion on objects, good film forming property, good friction resistance and long-lasting antibacterial effect; and the preparation method has the advantages of simpleness and strong operability.

The invention discloses an improved PCNN compensation-based AUV image fusion method, a processor and a system. The method comprises the following steps of subjecting registered AUV source images to NSCT decomposition respectively so as to obtain a corresponding low-frequency sub-band coefficient and a corresponding high-frequency sub-band coefficient; for the low-frequency sub-band coefficient, selecting a low-frequency sub-band fusion coefficient by adopting the rule of improving the spatial frequency; selecting a high-frequency sub-band fusion coefficient for two layers largest in the direction number of the high-frequency sub-band coefficient by adopting a rule largest in absolute value, and selecting a high-frequency sub-band fusion coefficient for all the rest layers by adopting a self-adaptive PCNN model; performing NSCT reconstruction on the selected low-frequency sub-band fusion coefficient and the selected high-frequency sub-band fusion coefficient, and finally obtaining a fused image. The fusion quality of images is effectively improved.

The invention discloses supersolid three-dimensional watering powder and a preparation method thereof. The watering powder consists of toner, an oil compound, a skin touch adjusting agent, a thickening agent, a film forming agent, a hydrating agent, a PH adjusting agent, a chelating agent and a preservative, wherein the toner consists of a power stuffing agent and pigment; and the watering powderconsists of the components in percentage by mass of 40-80% of the toner, 5-15% of the oil compound, 4-12% of the skin touch adjusting agent, 1-5% of the thickening agent, 0.1-2% of the film forming agent, 0.5-2% of the hydrating agent, 1-3% of the PH adjusting agent, 0.01-1% of the chelating agent and 0.1-3% of the preservative. The watering powder disclosed by the invention is improved by the formula and the preparation method, so that the usability of color make-up powder is improved, a fine and smooth three-dimensional structure can be presented, and requirements for touch sense and visionof the color make-up powder by consumers can be met.

The invention discloses an image restoration method and system based on angle perception block matching, and the method comprises the steps: dividing a to-be-restored image into a target to-be-restored area and a source area, and carrying out the curved surface fitting; then, determining a to-be-filled target block with the highest priority; rotating a matching block most similar to the target block in the source region, and obtaining an optimal matching block by using angle perception; and finally, filling a to-be-repaired area in the target block, and updating the confidence value of the filled pixel point; and repeating the above steps until the to-be-repaired area is completely filled. According to the method, the optimal spatial position is sensed by using the angular rotation of the matching block, so that the image content including the color, the texture and the geometric shape of the defect area is recovered to the maximum extent, and the visual requirement of human beings can be well met. The method can be successfully applied to image restoration of various large-area damaged areas with complex textures and geometrical structure characteristics, and can also be effectively applied to the aspects of shielding object removal, target object moving and the like.

A Criminisi image restoration method based on a bat algorithm comprises the steps of calculating the priority of each pixel point of to-be-restored region edges of to-be-restored images, selecting a pixel point with maximum priority as a pixel point with restoration priority, performing searching and filling on best matching blocks in perfect regions of the to-be-restored images, wherein searching (as mentioned) is performed by adopting the bat algorithm according to a matching principle; updating the to-be-restored region edges, returning the edges and performing repeated circulating operation till the restoration of to-be-restored regions is finished and obtaining an image restoration result. The Criminisi image restoration method is wide in image restoration range, improves the restoration speed, reduces the time consumption and meets the visual demands of people on the premise that the restoration quality of the to-be-restored images having different emphasis areas is ensured. Therefore, the Criminisi image restoration method has important practical significance.

The invention discloses a luminous indicator comprising a power module, a bright adjusting module and at least a luminous module connected in sequence. By real-time monitoring the environment illumination intensity, the luminous indicator ensures the indicator to display different brightness according to different illumination intensity, which can both satisfy the visual need of human eyes and requirements of energy saving and safety.

The invention relates to the technical field of long and big tunnels of expressways, in particular to a method for setting a retro-reflecting system of a long and big tunnel of an expressway. The method for setting the retro-reflecting system of the long and big tunnel of the expressway comprises the following steps of dividing the long and big tunnel into an entrance section, a transitional section, a middle section, a middle warning section and an exit section in sequence; respectively using combinations of an intermediate frequency reflective ring, an intermediate frequency side wall inducement sign, a high frequency delineator and a high frequency road stud at the entrance section and the exit section; using the combination of the intermediate frequency reflective ring, an intermediate frequency reflective stripe, the intermediate frequency side wall inducement sign, the high frequency delineator and the high frequency road stud at the transitional section; using the combination of a low frequency reflective ring, a low frequency note mark line, the intermediate frequency reflective stripe, the intermediate frequency side wall inducement sign, the high frequency delineator and the high frequency road stud at the middle section; continuously arranging two colored reflective rings as the middle warning section in the middle section; and arranging rhythm type information, the colored reflective ring and a colored reflective stripe on the side wall as a fatigue awakening area every three warning sections. The method for setting the retro-reflecting system of the long and big tunnel of the expressway is applied to expressway tunnels with limited speeds of 60-80 km/h and lengths of larger than 1000 m.

The invention discloses a planar special-effect graph user interface system of a mobile phone, which comprises a user interface resource module, a man-machine interface module, a planar special-effectprocessing module, and a playing special-effect module, wherein the user interface resource module accumulates user interface resource pictures; the man-machine interface module detects user operation instructions and calls the pictures in the user interface resource module; the planar special-effect processing module performs arrangement processing on the pictures, arranges the pictures according to a logic sequence arrangement and stores the pictures in a memory; and the playing special-effect module calls a standby resource file and plays the pictures after the arrangement processing according to the logic sequence. The system and the method perform the treatments of reduction, enlargement, distortion, discoloring and shifting arrangement on the user interface resource pictures throughthe planar special-effect processing module, and arrange the pictures according to the logic sequence; and when a user enters a menu, the man-machine interface module calls the playing special-effectmodule to play the pictures according to the logic sequence so that the system generates the special effects of reduction, enlargement, distortion, discoloring, shifting and the like, and then the mobile phone generates a colorful and varied operation interface to satisfy the visual needs of the user.

The invention discloses a shifting register, a grid-line driving circuit and a display device. A first generation module generates a first clock signal under the control of four types of control signals; a pull-down driving circuit controls the potential of a second node under the control of a first clock signal end and a first node; a second generation module generates a second clock signal under the control of four types of control signals; an output module outputs the second clock signal by a signal output end; a pull-down module controls the potentials of the first node and the signal output end; and an input module and a resetting module control the potential of the first node. According to the shifting register, the grid-line driving circuit and the display device disclosed by the invention, by mutual matching of the five modules, when in normal display of a panel, different resolution ratios of a display screen can be switched at any time by generating different-frequency clock signals and switching different clock signals at any time, so that an intelligent display function is realized, random switching between high-definition display and a low-power-consumption mode of the panel is realized, the visual demand is met and the power consumption is effectively reduced.

The embodiment of the invention provides a screen brightness adjustment method and a mobile terminal. The method comprises the following steps: when the mobile terminal is in a bright screen state, identifying the face information of the current user of the mobile terminal; based on the face information, a brightness adjustment strategy matched with the face information being obtained. The brightness adjustment strategy includes: a mapping relationship between a light brightness value and a screen brightness value; a light brightness value of the environment in which the mobile terminal is currently located is obtained, and a screen brightness value of the mobile terminal is adjusted based on the brightness adjustment strategy. The invention improves the adjustment efficiency of the screenbrightness and the visual effect of the user by acquiring the brightness adjustment strategy satisfying the visual requirement of the current user according to the face information of the current user.

The invention provides a satin alcyonne waterproof fabric with multiangle visual color changing performance and a preparation process thereof, belonging to the technical field of textile. The fabric comprises warp yarns and woof yarns of the fabric in different fiber types, and is characterized in that the warp yarns and the woof yarns respectively consist of nitrilon yarns and spandex yarns, or spandex yarns and nitrilon yarns according to tissue structures; through dyeing the nitrilon and spandex yarns by pigment in different colors before spinning the fabric, or through dyeing or stamping the fabric after spinning the fabric, entire or partial of the spandex yarns and the nitrilon yarns can have different colors. The preparation method leads the whole or part of the spandex yarns and the nitrilon yarns to have different colors, and prepare the fabric through pre-setting treatment, waterproof coating finishing and afterfinishing. The fabric presents different colors along with changes of light and visual angles, and has the performances of hydraulic pressure resistance, excellent water resistance, high color fastness, soft hand touch and the like.

The invention provides a grid driving unit, a driving method, a grid driving circuit, and a display device. The grid driving unit comprises an input reset module, a storage module, a pull up node control module, a pull down node control module, and an output module. The grid driving unit also comprises a clock signal control module. The clock signal control module is connected with a first control signal end, a second control signal end, a first reference clock signal end, a second reference clock signal end, a first clock signal end, and a second clock signal end, and is used to transmit same-frequency anti-phase clock signals to the first clock signal end and the second clock signal end at the same time according to the first reference clock signal and the second reference clock signal under the control of the first control signal of the first control signal end and the second control signal of the second control signal end. Arbitrary switching between a high definition display mode and a low power consumption display mode is realized, and therefore a visual sense requirement is satisfied, and power consumption is effectively lowered.

The invention relates to a network communication based video file retrieval method. The method comprises the steps of 1) providing a network communication based video file retrieval system which is arranged in a motor vehicle, the retrieval system comprises an AT89C51 singlechip microcomputer, a voice recognition device, an image detection device and a network retrieval device, wherein the voice recognition device is used for recognizing current voice of a motor vehicle driver so as to acquire a video player name in the current voice, the image detection device is used for detecting the current mood of the motor vehicle driver, the AT89C51 singlechip microcomputer is connected with the voice recognition device, the image detection device and the network retrieval device, and controls a video file retrieval operation of the network retrieval device in the internet based on the video player name and the current mood; and 2) carrying out retrieval by using the retrieval system.

The invention discloses an automatic temperature-controlled illuminant indicator, which comprises: a power supply module, an automatic temperature-controlling module and at least one illuminant module which are interconnected in sequence. An electroluminescent device, especially an LED, belongs to a temperature-sensitive device, and as working in open-air environment, the illuminant indicator board confronts awfully abominable temperature conditions, as a result, the majority of the indictor boards are damaged in relation to overhigh temperature, in the meantime, if the brightness is too strong in high temperature environment, uncomfortable feeling is brought to people; by monitoring environmental temperature of the indicator board in real-time, the invention enables the indicator board to display different brightness in accordance with different temperatures, which not only can meet the visual demand of human eyes, but can also achieve the purposes of saving energy, reducing consumption and prolonging service life of devices.