31results about How to "Image quality impact" patented technology

The invention discloses a painting method of 3D color painting of a rice field, belongs to the field of agricultural plant cultivation, and aims at providing a painting method of 3D color painting ofa rice field which can make color painting of the rice field according to the position of a viewing platform, thereby having a more lively 3D ornamental effect. The painting method is characterized bycomprising the steps of S1, making and vectorization of a color painting picture; S2, establishment of a digital elevation model; S3, definition of a coordinate of the color painting picture, whereinone point in the vectorized color painting picture is taken as an original point, a coordinate system of the whole color painting picture is defined, and plane coordinates of all points relative to the coordinate system are determined; S4, positioning of a coordinate of the planting rice field, wherein perspective projection transformation is utilized, the plane coordinates are converted into thedigital elevation model of the planting rice field, a new object point projection coordinate is formed, a surveying and mapping technology is utilized to loft the object point coordinate into the planting rice field, and filed planting coordinates are formed; S5, rice field making. The painting method of 3D color painting of the rice field is applied to making of color painting of the rice field.

The invention discloses a satellite camera heat protection door system with an active temperature control function. The satellite camera heat protection door system with the active temperature control function is composed of a heat protection door body, a driving system and a temperature control system. The heat protection door body is composed of a heat protection door structural plate, multi-layer thermal insulation materials on the outer surface, a high-emission-rate coating on the inner surface and an installment ring; the driving system is composed of a speed reduction mechanism and a driving motor; the temperature control system is composed of an embedded electrical heating piece, a temperature sensor and a heating controller; the multi-layer thermal insulation materials cover the heat protection door structural plate; the high-emission-rate coating coats the inner side of the heat protection door structural plate; the driving motor and the speed reduction mechanism are fixed to a camera sunshade; the installment ring of the heat protection door is fixed to the heat protection door structural plate; the driving motor is connected with the installment ring of the heat protection door through the speed reduction mechanism; the motor rotates to open or close the heat protection door. The satellite camera heat protection door system with the active temperature control function can reduce heat leakage of a camera in the non-imaging process and power consumption of active heating of the camera and ensure that the temperature of the camera is stable in the imaging process.

The invention discloses an arbitrary-curved-surface plane seamless spliced high-quality large-screen display device. The arbitrary-curved-surface plane seamless spliced high-quality large-screen display device is formed by stacking brick-shaped optical-fiber rear-projection display modules, wherein elements of each brick-shaped optical-fiber rear-projection display module include a variable-cross-section optical fiber panel, a signal processing module, a liquid crystal display panel, an LED (light-emitting diode) light source module, a fixing device, a shell, an anti-dazzling frosting coating and a touch sensing plate. The arbitrary-curved-surface plane seamless spliced high-quality large-screen display device has beneficial effects that a seamless spliced high-quality screen with small dot pitch can be produced, a display video picture of an arbitrary curved surface, a special arbitrary shape, and an arbitrary area can be realized; the seamless splicing principle is the primary-pixel splicing principle, pixel points are uniformly and compactly arranged, and the display consistency of the brightness and color is optimal; by adopting the modularized production, the constitutional part is easy to repair and replace; the touch sensing plate can be embedded into the display device, so that precision in positioning can be realized, and the picture quality and the shape of the display device are not affected; the water resistance and collision resistance are relatively good.

The invention provides an infrared cut-off filter, which comprises a substrate and an infrared cut-off layer plated on the substrate. The substrate is made of sapphire. The infrared cut-off layer is formed by alternately stacking a plurality of high-refractive-index layers and low-refractive-index layers, which is used to increase the reflectivity of infrared rays in light to filter out infrared rays. The infrared cut-off filter provided by the present invention effectively improves the reflectivity of the sapphire substrate to infrared light by coating a layer of infrared cut-off layer on the substrate made of sapphire to filter out the infrared light, so as not to affect the use of the infrared light The image quality of the lens module of the cut-off filter is affected. The invention also provides a lens module using the infrared cut filter.

A video coding method, a video decoding method, and a related apparatus. One video decoding method may comprise: obtaining a code stream, the code stream carrying first indication information, the first indication information being used for indicating a limitation condition for time domain motion vector prediction of an image of a second type in the code stream, the image of the second type being a non-basic vision image in the code stream, and an image of a first type being a basic vision image in the code stream, or the image of the second type being a non-basic layer image in the code stream, and an image of a first type being a basic layer image in the code stream; decoding the image of the first type in the code stream; and decoding the image of the second type in the code stream according to the limitation condition and the decoded image of the first type. The technical solution provided by embodiments of the present invention helps reduce storage overheads of the coding / decoding device.

The invention provides a liquid crystal display panel and a thin film transistor base plate thereof. The thin film transistor base plate is used for assembling the liquid crystal display panel, wherein the liquid crystal display panel also comprises frame glue used for encapsulating liquid crystals; the thin film transistor base plate comprises a base plate body and a baffle plate assembly arranged on the base plate body; the base plate body comprises a display region and a non-display region; the baffle plate assembly is positioned in the non-display region and is positioned between the frameglue and the display region; the baffle plate assembly comprises a plurality of connected baffle plate units; on a connecting line of the display region and the non-display region, a plurality of baffle plate units are matched to form a step structure. The invention also provides a liquid crystal display panel. The liquid crystal display panel and the thin film transistor base plate have the advantages that the baffle plate assemblies distributed in the step structure are arranged in the non-display region, so that the influence on the image quality of the display region due to the liquid crystal sinking at a high temperature can be avoided; the phenomenon of nonuniform color of the liquid crystal display panel can be further avoided.

A projection system of an immersed photolithography system comprises a projection lens, a liquid cell located in an exposure field of the projection lens and taken as an exposure medium of the projection lens, a liquid supply device located at the periphery of the projection lens and used for providing the liquid cell, at least two gas spraying devices sequentially distributed at the periphery of the liquid supply device, and a suction device located at the periphery of the outermost gas spraying device. The projection system effectively prevents liquid and gas from overflowing from the edge of the projection system, avoids the affect of gas on quality of edge imaging of the immersed photolithography system, and ensures the completeness of images on a photoresist layer.

An optical remote sensor that uses structural deformation to compensate for the misalignment of an optical system, including a primary mirror, a secondary mirror, a folding mirror, a beam splitter, three mirrors, a main load-bearing frame and an elastic support rod; the main load-bearing frame includes a front mounting surface and the rear mounting surface opposite to the front mounting surface; the primary mirror is elastically installed on the front mounting surface, the secondary mirror is elastically connected to one end of the support rod and is opposite to the primary mirror, and the end of the support rod away from the secondary mirror is connected to the front mounting surface connection; the folding mirror and the beam splitter are installed on the rear installation surface; the three mirrors are installed on the rear installation surface and are opposite to the beam splitter at intervals. The invention makes the primary mirror and the secondary mirror deviate from the theoretical position through the deformation amount under the action of gravity, so that the optimal pose of the primary mirror and the secondary mirror installed under the action of gravity on the ground will be deformed by gravity after the space remote sensor is launched into orbit When the rebound is released, the positional relationship between the primary mirror and the secondary mirror can still maintain the positional relationship during assembly and adjustment, and the imaging quality of the space remote sensor will not be affected.

The invention provides a flat-plate X ray detector, which comprises a substrate, a photoelectric converting component, a control component and a detecting component, wherein the upper surface of the substrate comprises at least one detecting pixel; the detecting pixel comprises the photoelectric converting component, the control component and a light-transmission component-free area; the lower surface of the substrate comprises the detecting component; and a coverage area of the detecting component comprises the lower surface of a substrate in the component-free area in the detecting pixel on the upper surface. Correspondingly, the invention further provides a preparation method of the flat-pate X ray detector. The detecting components of the flat-plate X ray detector provided by the invention are prepared on the lower surface of the substrate; the pixel area of the detector is not increased; and therefore, the pixel aperture opening ratio cannot be decreased. Data transmission lines of the detecting components and a data transmission line of the flat-plate X ray detector are not on the same surface of the substrate, cannot generate cross talk to the data transmission line of the detector, and have no influence on the image quality obtained by the flat-plate X ray detector.