70 results about "Pincushion" patented technology

An image processing apparatus has a distortion correction processing unit. The image processing apparatus has a distortion correcting range calculating unit that calculates an input image range necessary for distortion correction processing of the distortion correction processing unit. Thus, the corrected image (output image) obtained by the distortion correction processing can be outputted without overs and shorts for the image output range. The distortion is corrected by effectively using input (picked-up) image data, serving as the original data. Further, the distortion including the pincushion distortion, the barrel distortion, and the curvilinear distortion is effectively corrected.

A hand-held game machine (10) includes a horizontally-long rectangular housing (12), and the housing is covered with a cover (14) almost entirely. Each of top main surfaces of the housing and the cover has a plane shape of pincushion, and thus, the top main surface of the housing forms a lower inclined surface (26) connecting a lower side surface (22) and the top main surface of the housing. At right and left edges of an upper side surface of the housing (20), a left switch (32L) and a right switch (32R) are arranged as a first operating means. On the top main surface of the housing, a cross key (16), and an A button (18a) and a B button (18b) are arranged as a second operating means, and on the lower inclined surface, a start switch (28) and a select switch (30) are arranged as a third operating means.

A system and method for correcting optical distortion in an off-axis system is provided. The offset between the center of a display plane and the optical axis of the projection lens system is configured such that the offset is greater than half the vertical dimension of the display plane. In this manner, the distortion, such as a pincushion-type or barrel-type of distortion, is not symmetrical about the horizontal axis. In this scenario, the display plane, the projection lens system, a folding mirror, and/or the spatial light modulator may be tilted such that a keystone effect is induced. This keystone effect may be used to offset the distortion, particularly the pincushion-type or barrel-type of distortions.

An optical projection system and an image display device having the same include a refraction part to create pincushion distortion in an image, and a reflection part to create barrel distortion in the pincushion-distorted image to compensate for the pincushion distortion and to project an enlarged image without distortion onto an image display surface. The refraction part includes a first cylinder symmetrical optic system having a first group of lenses including at least one aspheric lens, a second cylinder symmetrical optic system having a second group of lenses including at least one aspheric lens, a first planar reflecting optic system to bend the image that passes through the first cylinder symmetrical optic system by a first predetermined angle, and a second planar reflecting optic system to reflect the image that passes through the second cylinder symmetrical optic system to the reflection part. The reflection part includes a reflecting mirror inclinedly disposed at a predetermined angle and having an XY polynomial surface.

A display device includes a flat-panel screen, an image capturing module, an eye tracking module, a screen rotating and tilting module, a flat-to-curve emulation module, and a flat-to-curve mechanical module. The display device employs the flat-to-curve emulation module to transform a rectangular flat image displayed by the flat-panel screen to a pincushion-like flat image according to a user's eye position; therefore, it may automatically provide the “emulated” curved image according to the user's eye position so that a user may perceive a visual effect like seeing a curved image. The display device further employs the flat-to-curve mechanical module to bend the flat-panel screen into a curved screen according to the user's eye position to bend the flat image displayed by the flat-panel screen into a curved image; therefore, it may automatically provide the “real” curved image according to the user's eye position to enhance the visual effect.

The present invention provides a method and device for correcting lens distortion. The method comprises a step of setting the viewing angle of a lens as a preset angle, wherein when the viewing angle of the lens is the preset angle, the distortion type of the lens is pincushion distortion or barrel distortion, and a step of correcting the distortion type of the lens into linear distortion from the pincushion distortion or barrel distortion. According to the technical scheme of the invention, the viewing angle of the lens is set as the preset angle, the easy capture of a wide range of scenery in shooting or video recording is satisfied, the distortion type of the lens is corrected into the linear distortion from the pincushion distortion or barrel distortion, the linear distortion can be corrected according to the image linear relation of the linear distortion further, and the influence of a lens distortion effect caused by reducing a large viewing angle on imaging quality is reduced. Additional accessories are not needed, the cost of use is reduced, and the portability of use is improved.

The invention relates to the field of pincushion cottage planting, and especially relates to a method for improving cutting seedling quality of pincushion. The method is used for solving the cutting seedling quality of the pincushion. 1, a cottage seedling bed is 100 cm in width, 80cm in height and 10-20 cm in length; the seedling bed is placed at the inner part of a 4m high greenhouse, and a sunshade screen is 50-70% sunshade rate; 2, the seedling matrix is a multilayered monomer raw material; 3, root growing agent is prepared by compounding one or more of glucose, saccharose, gluconic acid,pimacol, indolebutyric acid, and amino acid; cutting slips are immersed for 2-5 minutes and dried against sunshine for 5 minutes; 4, water and fertilizer management; 5, selection and treatment methodof cutting slips; 6, cottage method: boring a hole by a bamboo rod with diameter of 0.5 cm, wherein the hole depth is 10cm, and the surface depth inserted by cutting slips is 2-3 cm, thus the cuttingslips are breathable; 7, daily management. The pincushion seedling root is developed, and the method is strong in practicability and higher in survival rate.

An optical projection system includes an image generation element, a projection lens set for receiving an image from the image generation element, refracting the image and projecting the image out, and a reflector for reflecting the image from the projection lens set and projecting the image to a screen. The projection lens set includes an aspherical lens with a distortion coefficient larger than 0.5 for producing a pincushion distortion of the image and several other lenses, and the absolute value of the sum of the distortion coefficients of the other lenses are less than the distortion coefficient of the aspherical lens. The reflector produces a barrel distortion to the image for compensating a pincushion distortion of the image produced by the projection lens set.

The invention provides a polyaniline pincushion array film having electric field responding hydrophilic/hydrophobic change and a preparation method thereof. The preparation method is characterized by comprising the preparation of a polystyrene ordered pincushion film template, the preparation of a polyurethane pincushion array matrix and the preparation of the polyaniline pincushion array film. The preparation method is scientific and reasonable, and low in energy consumption and cost. Micron porous edge pinpoint projections are formed on the surface of the prepared polyaniline pincushion array film; the surface of the matrix material is rough and has extremely high adhesion, and therefore, the coating quantity of the polyaniline on the surface of the matrix is increased, the electrical conductivity and the electrostriction are enhanced, and dimensional change can be induced by an electric field to further cause the change of the surface photonic structure of the film, and consequently, the change of optical properties is induced; the film is formed more evenly, and is controllable in tenacity and strength; due to the special pincushion structure, the contact angle of the polyaniline film is increased and the hydrophilic/hydrophobic change performance of the surface of the film is enhanced.

An image sensor captures an image of a scene. This captured image has a pincushion distortion relative to an undistorted image of the scene. The distortion is corrected based on an approximation of the distortion D which satisfies the following equation for a given pixel in the captured image: D=(R−R′)/R=Da*(y²−x²+y_offset)+Db*R⁴, where R is the distance between a pixel, which corresponds in the undistorted image to the given pixel in the captured image, and the center of the undistorted image, R′ is the distance between the given pixel and the center of the captured image, Da and Db are respective distortion parameters of the image sensor, x and y are coordinates of the given pixel in the captured image, R satisfies the following equation: R²=x²+y² and y_offset corresponds to a constant value.

The invention relates to the field of pincushion cottage planting, and especially relates to a planting method for improving commodity rate of a pink pincushion. The method is applied to solve the problem of poor quality of the planting flower ball of the pink pincushion. The method includes steps 1, pincushion seedling method; 2, application of a steel-frame greenhouse facility and matching witha sunshade, water and fertilizer integrated facility; 3, improvement of root soil; 4, planting: the planting method is single-ridge and single-line planting, single-ridge and double-line planting andothers; 800-1000 plants are planted per mu and transplanted in a pond built; 5, fertilizer application; 6, irrigation; 7, light temperature control in the facility; 8, trimming; 9, pest control; 10, flower picking. The pincushion is pure in flower color and has gloss pink color; the plant nutrition growth is robust; the pincushion is light in downy mildew and powdery mildew, good in flower ball quality, and high in commodity rate.

A Hardware architecture for an accelerated artificial intelligence processor includes: a main engine, a front lobe engine, a parietal lobe engine, a renderer engine, a pillow engine, a temporal lobe engine and a memory. The front-lobe engine obtains 5D tensor from the host and divides it into several sets of tensors, and sends these sets of tensors to the top-lobe engine. The front-lobe engine obtains 5D tensors from the host and divides them into several sets of tensors. The top engine acquires a set of tensors and divides them into a plurality of tensor waves, sends the tensor waves to the renderer engine to execute an input feature renderer, and outputs a portion of the tensors to the pincushion engine. The pincushion engine accumulates a partial tensor and executes an output feature renderer to obtain a final tensor sent to the temporal lobe engine. The temporal lobe engine compresses the data and writes the final tensor to memory. The artificial intelligence work in the inventionis divided into a plurality of highly parallel parts, some parts are allocated to an engine for processing, the number of engines is configurable, the scalability is improved, and all work partitioning and distribution are realized in the architecture, thereby obtaining high-performance efficiency. The artificial intelligence work in the invention is divided into a plurality of highly parallel parts, and some parts are allocated to an engine for processing, and the number of engines is configurable, and the scalability is improved.

A sensor comprised includes a rectangular conductive sheet. Electrical connectors are connected at each corner of the sheet. A number of non-conductive features, e.g. apertures, are formed in this sheet. In one embodiment, V-shaped features extend from near the corners of the sheet towards the centre of the sheet and then turn towards an adjacent corner. Smaller V-shaped features reside in the area between the larger features and the closest edge of the sheet. In another embodiment, a spider web formation of conductive tracks or paths is provided. This provides hardware correction of pincushion error. It reduces or eliminates the need for software correction of pincushion error.

The invention discloses a making method of dental pincushion distortion tray groove, which comprises the following steps: rolling die; doing cold drawing; squeezing to form bar-shaped fine blank of pincushion distortion groove; manufacturing the fine blank into arch wire trench; cutting into individual product.

A horizontal deflection circuit generates a horizontal deflection current (iy) in a deflection winding (30), during a trace interval and during a retrace interval of a deflection cycle. A transistor (26) is responsive to a vertical rate parabola signal (VIN) and to a negative feedback signal (Ve) for producing a vertical rate parabolic modulation voltage at a collector of the transistor. A negative feedback network (R26) generates the feedback signal that is indicative of a current (ie) flowing in the transistor for increasing an output impedance at the collector of the transistor. An inductor (34) is coupled to the collector of the transistor for producing in the inductor a modulation current (im) to provide for side pincushion distortion correction in an East-West modulator.

The invention discloses a breeding method for Pincushion Urchin. Compared with a traditional sea urchin breeding method, a large number of Pincushion Urchin larvae can be bred under the quite low energy consumption and culture wastewater discharge conditions so as to achieve the purposes of reducing natural resource fishing and catching pressure, and the problems that the transportation cost is high and the survival rate is low are solved. The method comprises the steps that firstly, a greenhouse is adopted as the breeding environment, under the effect of the greenhouse, water temperature of culture water is kept within the large range, no artificial heating seawater is adopted for breeding, and under the condition of saving the cost, pollution caused by a boiler to the environment is avoided; meanwhile, in the cultivation process, illumination within the range of 1,500-2,500 lx is adopted in the breeding process for culturing larvae, Chaetoceros mulleri and seawater photosynthetic bacteria are put, the purpose of purifying water can be achieved, and the problem that the cost is caused when a large amount of water is changed frequently is avoided.