105results about How to "Improve visual comfort" patented technology

The invention discloses a multi-view image color correction method based on visual perception, comprising the following steps of: firstly extracting significance distribution maps of a target image and a source image; then extracting visual attention areas of the target image and the source image by estimating a Gaussian mixture model; obtaining accurately matched pixel point pair sets of the source image and the target image by a parallax matching algorithm; obtaining correction matrixes of the visual attention areas by a linear regression algorithm; obtaining a final correction matrix by adopting linear weighting; and finally further refining a visually sensitive area of a correction image. The invention ensures the accuracy of multi-view image color correction and also enhances the robustness of the multi-view image color correction method and the visual comfort level of the correction image.

The invention belongs to the technical field of video processing, and particularly relates to a stereoscopic video perception and coding method for a just-noticeable error model based on DOF. The method includes the steps that (1) a brightness JND model based on the DOF and parallax is calculated; (2) a texture JND model based on parallax is calculated; (3) the JND model DJND (x,y) based on the DOF is obtained according to a nonlinear combination model; (4) the JND model based on the DOF is used for stereoscopic coding by resetting quantization parameters. By means of the method, time, space and inter-view redundancy can be effectively eliminated, S3D video image quality and vision comfort are successfully improved, a texture and an edge area keep a very comfortable vision effect, and a stereoscopic video code rate is greatly lowered on the premise that stereoscopic visual perception quality is improved and maintained.

The present invention relates to a white-light, light source using LED as luminous body. It is characterized by that on a metal circuit board a planar or pit-shaped light-reflecting bowl is made, in the centre of said light-reflecting bowl an indium-gold, gold-tin or similar alloy coating layer is evaporated or coated, then a high-effective blue-light LED bare chip is welded, and the surface of LED chip is covered with epoxy resin or silicon-like transparent resin so as to make two-dimensional blue light be high-effectively and uniformly sent out, the blue light can be passed through a translate film whose interior has doped yellow fluorescent powder or whose surface is coated with yellow fluorescent powder, excited and light-mixed so as to form the invented semiconductor white-light light source.

The invention provides a high-power LED two-dimension light source, wherein an aluminum-base printed circuit board is directly welded or adhered with a high-power LED chip, the chip welded area is processed with a bowl-shape concave which circumference is furnished and plated with silver to form a light reflective area, the chip is arranged with a light reflective bowl with silver plated at inner surface to be fixed on the aluminum-base circuit board, a chip light outlet is packed with silicon-type transparent resin, in curvature shape, the light reflective bowl is covered with a lens unit, arranged with an electric connecting structure. The invention can be used to produce mono product or multiple beamed product, with standard distance connecting port, surface light source with low cost and high integration, better heat radiation, and uniform lighting effect, which can be used as general semi-conductor lighting source of variable lamps.

A method for determining at least one optical conception parameter for a progressive ophthalmic lens intended to equip a frame of a wearer, depending on the visual behavior of the latter. The method comprises the following steps: a) collecting a plurality of behavioral measurements relating to a plurality of gaze directions and/or positions of the wearer during a visual task; b) statistically processing said plurality of behavioral measurements in order to determine a zone of use of the area of an eyeglass fitted in said frame, said zone of use being representative of a statistical spatial distribution of said plurality of behavioral measurements; and c) determining at least one optical conception parameter for said progressive ophthalmic lens depending on a spatial extent and/or position of the zone of use.

The invention discloses a three-dimensional video repositioning method. The three-dimensional video repositioning method comprises the step of firstly extracting an image saliency map, a gradient energy diagram and a motion saliency map of each frame of a color image in a color video sequence respectively, mixing with depth information of a scene to obtain a visual attention map of each frame of the color image in the color video sequence, and calculating an intra-frame consistency energy diagram and an inter-frame consistency energy diagram of each frame of the color image in the color video sequence; finding out all the vertical gaps of each frame of the color image in the color video sequence by adopting a dynamic planning method; and then removing pixels falling in all the vertical gaps of each frame of the color image in the color video sequence and pixels falling in the same vertical gaps of each frame of a depth image in a depth video sequence to obtain a repositioned color video sequence and a repositioned depth video sequence. The three-dimensional video repositioning method has the advantages that the image deformation of the obtained repositioned three-dimensional video can be reduced, time domain jitter of the obtained repositioned three-dimensional video can be avoided, outstanding content of the obtained repositioned three-dimensional video can be highlighted, and accordingly relatively high visual comfort is kept.

The present invention discloses a backlight module, comprising a light guide plate, a light-emitting unit, an optical film, and a chroma compensating component. The light guide plate has a light emergent surface, a bottom surface, and a light incident surface arranged at the side or corner of the light guide plate, wherein the bottom surface is adjacent to the light incident surface and is opposite to the light emergent surface. The light emitting unit is arranged at a position corresponding to the light incident surface of the light guide plate, and is used for emitting white light to be incident into the light guide plate via the light incident surface. The optical film is arranged on the light guide plate. The chroma compensating component is combined to the optical film in the way that the side of the optical film opposite to the light incident surface is apart from the light incident surface at a specific distance, so as to be used for compensating a yellow phenomenon when the light emitting unit emits the white light into the light guide plate.

The invention discloses an image face beautification method. The image face beautification method includes the steps: performing face detection on an image waiting for face beautification, and determining the face zone in the image waiting for face beautification; performing positioning of five sense apertures on the face zone to obtain the lip part block of the current face in the image waiting for face beautification; based on the lip part block, calculating the lip part depth parameter set of the current face; according to the lip part depth parameter set, determining the expression line intensity of the current face; based on the expression line intensity, determining the target face beautification parameters of the current face; and according to the target face beautification parameters, performing face beautification processing on the current face. The image face beautification method acquires the lip part depth parameter set by analyzing the lip part block of the current face, and adjusts the face beautification parameters of the current face according to the expression line intensity, of the current face, determined according to the lip part depth parameter set, so as to set reasonable target face beautification parameters to perform face beautification processing on the current face to prevent the face expression damaging the face beautification effect and optimize thevisual comfort level of face beautification. The invention also provides image face beautification apparatus and equipment, and a storage medium.

The invention discloses a screen protection film which comprises an anti-dazzling layer, a main film layer and an anti-blue light glue layer which are sequentially overlapped, wherein the anti-dazzling layer is formed by curing a mixture of an inorganic nanometer particle and a solvent coating, with a weight ratio of (1-20):100. According to the screen protection film, through arranging the anti-dazzling layer on the surface of the main film layer, the anti-dazzling layer is formed by curing the mixture of the inorganic nanometer particle and the solvent coating, and the inorganic nanometer particle is doped in the solvent coating, so that a certain concave-convex effect is achieved on the surface of the anti-dazzling layer, and light rays scattered by the surface of the anti-dazzling layer are increased to cause the effect that the glossness is reduced, thus an image of a display screen is thinned, the anti-dazzling effect is achieved, the vision comfort degree is improved, and the hurt of the display screen to eyes is reduced. In addition, the invention further provides a preparation method of the screen protection film.

The invention is applicable to the technical field of lighting, and particularly relates to a light environment adjustment method and system for optimizing visual comfortableness during reading. According to the method provided by the invention, multiple layers of light environments are superpose by a mode of superposing main lighting light and auxiliary lighting light, performance parameters of the main lighting light and the auxiliary lighting light are designed according to a material of a reading object, so that a light environment with the comfortableness reaching the optimal comfortableness threshold value corresponding to the type of an object to be read is formed after the main lighting light and the auxiliary lighting light are superposed, and optimization of the light environment and optimization of visual comfortableness during reading are achieved.

The invention provides a pair of photochromic glasses with liquid crystal thin film protection lenses. The pair of photochromic glasses comprises a glasses frame, flexible liquid crystal thin films, a control module and the liquid crystal thin film protection lenses. The invention further provides a manufacturing method of the liquid crystal thin film protection lenses of the photochromic glasses and the manufacturing method comprises six steps. According to the photochromic glasses with the liquid crystal thin film protection lenses, provided by the invention, the lenses can be bent, and are light in weight and less prone to damage; the surface rigidity of the lenses is high so that the lenses are unlikely to be damaged by scratching; the brightness can be automatically adjusted along with the change of external light intensity; the photochromic glasses can help people to improve visual comfort so that eye diseases are prevented; the maintenance cost is low and solar energy supplies power, so that the pair of photochromic glasses saves energy and is environmentally friendly; the protection lenses are arranged, so that the design and large-batch production are easy to realize; and meanwhile, the manufacturing method of the protection lenses is simple, convenient and feasible in operation.

The present invention provides an adjustment method and device for a touch whiteboard. The method includes the following steps that: when touch operation is recognized, a visual attention area is determined on the touch control whiteboard according to the touch position of the touch operation on the touch whiteboard; and the display parameters of the visual attention area are adjusted according toa preset adjustment manner, so that the display effect of the visual attention area can be adjusted. With the method adopted, the dynamical local adjustment of the touch whiteboard can be realized according to the writing state of a writer on the touch whiteboard, so that the visual comfort of the writer can be improved.

The invention relates to goggles suitable for all-weather wearing and a preparation method of the goggles. The goggles comprise a high-reflection film layer and an anti-reflection film layer, whereinthe high-reflection film layer is located on a surface, away from eyes, of a substrate, and the anti-reflection film layer is located on a surface, close to the eyes, of the substrate. The preparationmethod comprises the following steps of preparing the substrate hard coatings being formed on the two surfaces of the substrate respectively through a dip-coating heat curing process; forming the high-reflection film layer and the anti-reflection film layer on the substrate by adopting a vacuum electronic coating process; and plating hydrophobic and oleophobic layers on the surface of the high-reflection film layer and the surface of the anti-reflection film layer by adopting a vacuum electronic coating process. According to the goggles, a golfer can clearly see the fluctuation, grass grainsand gradient of a putting green.

The invention relates to a pair of liquid crystal spectacles, especially to an anti-dazzle liquid crystal lens for preventing interference with visual sense of a driver when two vehicles cross each other and a pair of spectacles prepared from the anti-dazzle liquid crystal lens. The pair of anti-dazzle spectacles contains a spectacle frame (3), a right lens (2) and a left lens (1). The right lens (2) and the left lens (1) respectively have a high-perspective zone and at least a low-perspective zone. Two ends of the low-perspective zone are provided with electrodes. The pair of anti-dazzle spectacles also contains an illuminance sensor and a control circuit. The illuminance sensor contains at least an opposite vehicle lamplight detector which receives illuminance of opposite vehicle lamplight in the illumination direction, and output is used as signal voltage. The control circuit contains an illuminance comparator and a square wave generator. The square save generator converts DC voltage outputted by the illuminance comparator to AC voltage or square wave. An output end of the square wave generator is connected with the electrodes at two ends of the low-perspective zone. The device provided by the invention can be anti-dazzle and can increase visual comfort level of a driver.

The invention provides a color correction method and device, and the method comprises the steps: obtaining a color correction mode corresponding to a viewer; determining a color correction algorithm and a corresponding correction parameter value; and performing color correction and display on the original content by applying a correction algorithm and the correction parameter values. Therefore, for a specific user, corresponding color correction and display can be carried out on the original content, so that the visual comfort of the user is improved, and the watching experience of the user isimproved.

The invention belongs to the technical field of visual information processing, and discloses a multipurpose visual communication design information processing system and method, and the system comprises a visual design material importing module, a parameter configuration module, a main control module, a drawing module, an editing module, a color correction module, a design evaluation module, a printing module, and a projection module. According to the invention, corresponding color correction and display are carried out on the original content through the color correction module, so that the visual comfort of a user is improved and the watching experience of the user is improved. Meanwhile, the evaluation module can be designed to evaluate the first expected feature words from the first expected feature words. A first preset number of first expected feature words is determined as the target feature words for evaluating the target visual design interface, the number of the feature wordsfor evaluating the visual design interface can be reduced, and the first expected feature words can be determined according to the judgment duration of the target user, so that the quantification ofthe evaluation result is realized, and the reliability of the evaluation result of the visual design interface is improved.

The invention relates to an OLED (Organic Light Emitting Diode) display light guide board. The OLED display light guide board comprises a control circuit board and a panel body, wherein the control circuit board is combined with an OLED display unit, a key unit and a control unit; the OLED display unit and the key unit are electrically connected with the control unit; the panel body is combined with the control circuit board; and a display through hole space for storing the OLED display unit and a key through hole space for storing the key unit are formed on the panel body respectively. The OLED display light guide board has the advantages that the OLED display light guide board has the characteristics of uniform illumination, high brightness, programmable performance and the like and can realize multi-mode display of character information; and on the basis of meeting user requirements, the vision comfort can be greatly improved.