42results about How to "Image quality is clear" patented technology

A projection display may include a frame rate conversion section selectively performing a first frame rate conversion process or a second frame rate conversion process, an image process section selectively performing a black insertion process or a pair-frames gamma process, and outputting a result as a pair of consecutive image frames, a projection display section projecting and displaying an image on the basis of the video signal processed by the frame rate conversion section or the image process section, and a control section controlling the frame rate conversion section or the image process section according to a selected operation on a menu screen, where the control section performs the user interface function so that the black insertion process or the pair-frames gamma process by the image process section is selected with priority over the first frame rate conversion process by the frame rate conversion section.

A method and system for printing untreated textile media in an inkjet printer for sharp image quality is disclosed. The method comprises printing untreated textile media with an aqueous dye-based textile ink selected according to the type of the textile media, and heating the printed textile media above a predetermined media temperature limit in the print zone to evaporate the ink moisture. The method further comprises maintaining printhead temperature by circulating a coolant through a channel in a plate that is conductively attached to the printhead for nozzle healthiness, and driving the untreated textile media with an endless belt to control stretching and distortion.

Development systems and methods for developing using magnetic toner are disclosed. The present invention further discloses developers used in development systems as well as the toner used in developer for magnetic ink character recognition printing. With respect to the development system, a development system is disclosed which includes a supply of dry developer mixture which contains magnetic toner particles and hard magnetic carrier particles. The development system further includes a non-magnetic, cylindrical shell for transporting the developer between the supply and the development zone, wherein the shell can be rotatable or stationary. A rotating magnetic core of a pre-selected magnetic field strength and means for rotating at least the magnetic core to provide for the transport of the toner particles from the shell to an electrostatic image also provided as part of the development system. A method for developing electrostatic image with magnetic toner is further disclosed, for example, involving the above-described development system. Magnetic toner particles having a low magnetic loading such as on the order of 28% by weight or less, based on the weight of the toner are further described wherein these magnetic toners can include a spacing agent on the surface of the magnetic toner particles. A developer is further disclosed which contains the magnetic toner particles of the present invention with hard magnetic carrier particles. Other developer compositions are also described.

The invention relates to the security technology and discloses a video monitoring system, a video monitoring method and a spherical camera. A plurality of signals, such as a video signal, a control signal and the like are compounded to reduce the number of slip ring cores practically needed in signal transmission of the camera, so that the camera is adapted to a spherical camera structure. The data stream transmitted to equipment at the rear end by the spherical camera is the data stream which contains uncompressed high-definition video primary data, so that video acquisition equipment does not need complex encoding and decoding, network protocol and the like, has simple total design and reduces the power consumption. At the same time, the spherical camera has the characteristics of high real-time property, high quality of images and the like.

A driving method of a liquid crystal display is described. The driving method of liquid crystal display firstly detects the maximum grayscale of all pixel of liquid crystal display, and adjusts the out-put brightness of back-light modules in order to provide the corresponding brightness to the pixels of the maximum grayscale. Meanwhile, adjust all grayscale values of all pixels to map a new grayscale value, and drive each pixel. This driving method of this crystal display provides a sharp display quality when displaying darker image, and further reduces power consumption, particularly when displaying low brightness images.

The invention discloses an image processing method based on group-wave transformation compressed sensing. The method specifically comprises the steps that orthogonal group-wave transformation is carried out to an image at first, so that sparsity coefficients in each directional scale are obtained; then high-frequency coefficients of each scale are compressed, measured and encoded; and finally, orthogonal group-wave inverse transformation is carried out to stored low-frequency coefficients and recovered high-frequency coefficients, so that a recovered image is obtained. The method has the advantages that sparse representation of group-wave transformation is fully integrated into the compressed sensing; image geometrical characteristics are utilized to the hilt; redundancy and resource waste caused by traditional Nyquist sampling theories are eliminated; texture information such as directions and scales of images can be further excavated; and high-definition images can be recovered when only a few of sampling points can be provided. In comparison with the existing method of wavelet transformation compressed sensing, the method disclosed by the invention has obvious advantages and has very broad application prospect in image processing.

Development systems and methods for developing using toner are disclosed. The present invention further discloses developers used in development systems. With respect to the development system, a development system is disclosed which includes a supply of dry developer mixture which contains toner particles and hard magnetic carrier particles. The development system further includes a non-magnetic, cylindrical shell for transporting the developer between the supply and the development zone, wherein the shell can be rotatable or stationary. A rotating magnetic core of a pre-selected magnetic field strength and means for rotating at least the magnetic core to provide for the transport of the toner particles from the shell to an electrostatic image also provided as part of the development system. The development system of the present invention further includes a fuser roll which is coated with a silicone rubber or other low surface energy elastomer or resin. The fuser roll is preferably in a pressure contact arrangement with a backup or pressure roll. The images resulting from the development system of the present invention have an excellent combination of properties, in particular, the prints resulting from the development process of the present invention have improved image quality in combination with excellent fusing quality. A method for developing electrostatic images with toner is further disclosed, for example, involving the above-described development system.

The invention provides an adaptive radio frequency coil and a coil array facilitating wearing to greatly enhance the wearing comfort, be compatible with wearing requirements of different examination positions of patients of different figures, reduce the mutual inductance effect between coils, increase the signal-to-noise ratio of a magnetic resonance image, and improve the imaging speed or the imaging quality of the magnetic resonance image. The adaptive radio frequency coil comprises an oscillation circuit layer, a dielectric layer and a shielding layer attached in sequence in a fastening manner; the coil array facilitating wearing comprises a first wearing plane and a second wearing plane which are telescoping and flexible and arranged in mirror symmetry in appearance and structure; thefirst wearing plane and the second wearing plane form clothes through connection of local edges; the first wearing plane and the second wearing plane are respectively and fixedly provided with a plurality of above adaptive radio frequency coils; and two adaptive radio frequency coils respectively located on two adjacent wearing planes and opposite to each other always maintain mutual mirror symmetry. The adaptive radio frequency coil and the coil array can be applicable to usage during nuclear magnetic resonance imaging.

The invention relates to a vehicle-mounted light-small head-up display (HUD) system. The overall device is composed of an electronic component, a projection component and an OBD module, wherein the electronic component can achieve interconnection with a smart phone in a wireless mode. An OBD communication interface reads vehicle condition information through a CAN bus on a vehicle and transmits the vehicle condition information to the electronic component through the Bluetooth. An electronic component CPU generates a picture through a GPU by combining sensor information with the vehicle condition information and drives an image source and an optical system in the projection component to achieve virtual imaging in the front head-up range of a driver, wherein the sensor information comprises GPS navigation information, camera information and e-dog information, the vehicle condition information comprises the vehicle speed, the revolving speed, the water temperature, oil consumption, braking system information and power system information, and the optical system is a light-small optical system composed of a baffle board, a diffuse reflection type imaging board and a meniscus spherical mirror. The head-up display (HUD) system has the advantages of being convenient to use and easy to install and can increase the driving security coefficient.

Development systems and methods for developing using toner are disclosed. The present invention further discloses developers used in development systems. With respect to the development system, a development system is disclosed which includes a supply of dry developer mixture which contains toner particles and hard magnetic carrier particles. The development system further includes a non-magnetic, cylindrical shell for transporting the developer between the supply and the development zone, wherein the shell can be rotatable or stationary. A rotating magnetic core of a pre-selected magnetic field strength and means for rotating at least the magnetic core to provide for the transport of the toner particles from the shell to an electrostatic image also provided as part of the development system. The development system of the present invention further includes a fuser roll which is coated with a silicone rubber or other low surface energy elastomer or resin. The fuser roll is preferably in a pressure contact arrangement with a backup or pressure roll. The images resulting from the development system of the present invention have an excellent combination of properties, in particular, the prints resulting from the development process of the present invention have improved image quality in combination with excellent fusing quality. A method for developing electrostatic images with toner is further disclosed, for example, involving the above-described development system.

An embodiment of the invention discloses a blind element compensation method for an infrared or terahertz image. The blind element compensation method comprises the steps of selecting X normal row image elements in a row on which the blind element is arranged; constructing a Newton interpolation function according to the X normal row image elements and calculating a row interpolation value of the blind element; selecting X normal line image elements from a line on which the blind element is arranged; constructing a Newton interpolation function according to the X normal line image elements and calculating a line interpolation value of the blind element; and calculating the gray level of the blind element according to the row interpolation value and the line interpolation value. The gray level which is compensated according to the blind element compensation method provided by the embodiment of the invention further approaches a real value and has a smaller error. Furthermore the blind element compensation method can better keep the edge information and the detail information of a target image and furthermore has higher image quality.

The invention discloses an austenite alloy EBSD sample preparation method. The preparation method comprises austenite alloy sample preparation, grinding, polishing, fine polishing, two-step ultrasonictreatment and drying steps, wherein for the fine polishing step, in the fine polishing process, silica suspension liquid with particle size of 20-50nm is used, the rotation speed of a metallographical polishing machine is smaller than or equal to 100 turn / min, and fine polishing time is larger than or equal to 10 min; and for the two-step ultrasonic treatment step, the first ultrasonic treatmentstep is characterized by placing the samples in a 10%NaOH aqueous solution, which is 10-45 DEG C, for ultrasonic cleaning, the cleaning time being larger than or equal to 3 min. Compared with the national standard GBT19501, the method does not need the electropolishing process and does not need to purchase special equipment, thereby reducing preparation steps, making preparation simple and convenient and reducing cost; and the problems that an existing electropolishing method needs special equipment, is high in sample preparation cost and is long in polishing process exploration time, and electrolyte pollutes the environment and the like are overcome effectively.

An image printing apparatus including a conveyance-printing section for printing on a recording medium sheet; a first printing device including a plurality of black printing heads for jetting image-setting black ink drops onto the recording medium sheet; a second printing device including a plurality of color printing heads for jetting image-setting color ink drops onto the recording medium sheet; first light radiating devices which radiate ultraviolet rays to harden the image-setting black ink drops; and second light radiating devices which radiate the ultraviolet rays to harden the image-setting color ink drops.

The invention relates to a screening device. The screening device comprises a discharge unit, a turnover unit and a pickup unit, and further comprises a recognition unit. The obverse side and the reverse side of a material can be accurately judged through the recognition unit, the recognition speed is high, recognition is precise, and thus the problem of low artificial recognition process efficiency is solved. In the artificial recognition process, problems such as visual fatigue and wrong judgment are prone to occurring, obverse side and the reverse side recognition errors generated by artificial recognition can be effectively avoided through the recognition unit, and the percent of pass of products in the subsequent product assembly process is further guaranteed.

The present invention belongs to an accessory of a camera in a monitoring system, particularly belongs to an optics transparent cover specially used for a spherical monitor camera. The invention relates to a monitor camera hyper-hemispherical transparent cover, comprising an optics spherical cover, a flange seat, a clamping ring and a sealing ring, and the essential of the structure is that the sealing ring is a U-shape sealing ring, the clamping ring is composed of two parts, the optics spherical cover is composed of two spherical cover assemblies with a horizontal central angle of 0-180 DEG and a vertical central angle of greater than 90 degrees, the edge of the optics spherical cover is arranged in the groove of the sealing ring, and the clamping ring wrapping the sealing ring is fixed on the flange seat. The monitor camera excess hemisphere transparent cover has the advantages that the spherical cover exceeds a hemisphere on the whole after splicing, allows the camera equipped therein to have a larger visual scope, and provides more legible image quality than that provided by a common spherical cover conical surface; the split type clamping ring is convenient for the installation of the excess hemisphere cover; the U-shape sealing ring effectively plays a role of sealing, also plays a role of protection to the excess hemisphere cover when clamping ring is being mounted and locked, and disperses the stress generated during installing the clamping ring.

The invention provides damage detection equipment, which comprises an X-ray generating device and an imaging device, wherein the X-ray generating device is used for sending out X rays; the imaging device and the X-ray generating device are in opposite arrangement; an accommodating space used for accommodating an electric appliance component to be detected is formed between the X-ray generating device and the imaging device so that the X rays pass through the electric appliance component positioned in the accommodating space and is then imaged on the imaging device. The damage detection equipment solves the problem that the detection equipment in the prior art cannot be used for detecting the inside mechanical damage of the electric appliance component.

The invention provides a novel adherent cell culture device. The novel adherent cell culture device comprises a PCB; an image acquisition device arranged on the upper surface of the PCB, wherein the image acquisition device is connected with the controller; a cell culture container used for providing a container for adherent cells, wherein the cell culture container is arranged on the image acquisition device, the bottom of the side wall of the cell culture container is attached to the upper surface of the image acquisition device, and an opening for exposing the image acquisition device is formed in the bottom of the cell culture container, the image acquisition device being used for acquiring images of the adherent cells through the opening and outputting the acquired images to a controller; and the controller used for processing the images to obtain growth data of the adherent cells and transmitting the growth data to an external display terminal. The device has the advantages thatreal-time monitoring of adherent cells in the cell culture vessel is achieved, so that the monitoring precision of the adherent cells is improved, meanwhile, the real-time monitoring space is saved, and then the monitoring cost is reduced.

The present invention belongs to an accessory of a camera in a monitoring system, particularly belongs to an optics transparent cover specially used for a spherical monitor camera. The invention relates to a monitor camera hyper-hemispherical transparent cover, comprising an optics spherical cover, a flange seat, a clamping ring and a sealing ring, and the essential of the structure is that the sealing ring is a U-shape sealing ring, the clamping ring is composed of two parts, the optics spherical cover is composed of two spherical cover assemblies with a horizontal central angle of 0-180 DEGand a vertical central angle of greater than 90 degrees, the edge of the optics spherical cover is arranged in the groove of the sealing ring, and the clamping ring wrapping the sealing ring is fixedon the flange seat. The monitor camera excess hemisphere transparent cover has the advantages that the spherical cover exceeds a hemisphere on the whole after splicing, allows the camera equipped therein to have a larger visual scope, and provides more legible image quality than that provided by a common spherical cover conical surface; the split type clamping ring is convenient for the installation of the excess hemisphere cover; the U-shape sealing ring effectively plays a role of sealing, also plays a role of protection to the excess hemisphere cover when clamping ring is being mounted andlocked, and disperses the stress generated during installing the clamping ring.

The invention relates to the security technology and discloses a video monitoring system, a video monitoring method and a spherical camera. A plurality of signals, such as a video signal, a control signal and the like are compounded to reduce the number of slip ring cores practically needed in signal transmission of the camera, so that the camera is adapted to a spherical camera structure. The data stream transmitted to equipment at the rear end by the spherical camera is the data stream which contains uncompressed high-definition video primary data, so that video acquisition equipment does not need complex encoding and decoding, network protocol and the like, has simple total design and reduces the power consumption. At the same time, the spherical camera has the characteristics of high real-time property, high quality of images and the like.

The invention discloses a multi-lens micro-motion device module, and relates to the technical field of optical module manufacturing. The module comprises a shell, a main lens, an auxiliary lens, a lens holder, a main coil, an auxiliary coil and a magnetic ring. The main lens and the auxiliary lens are embedded into the lens holder. The main coil and the auxiliary coil are fixed on the outer surface of the lens holder. The magnetic ring is fixed on the inner surface of the shell. According to the micro-motion device module, an optical structure and a mechanical structure are combined together. The optical structure employs the two or more lenses, and clear imaging is achieved. The mechanical structure employs the two coils to replace an elastic sheet, and the micro-motion device does not rebound when the optical structure moves during imaging. Undesirable exterior and optical phenomena are avoided during manufacturing of finished products, the number of production steps and the labor investment are reduced, the production efficiency and the rate of qualified products are improved, and the cost is lowered.

A liquid crystal module full-lamination structure at least comprises a shell, a liquid crystal panel, a light guiding plate and a plurality of optical diaphragms, wherein the light guiding plate and the optical diaphragms are positioned in the shell; the optical diaphragms are stacked together and are arranged above the light guiding plate; the liquid crystal panel is in lap joint to the shell; and a buffering layer and an optical transparent adhesive tape are arranged between the liquid crystal panel and the top optical diaphragm. The optical transparent adhesive tape is arranged between the liquid crystal panel and the top optical diaphragm of the liquid crystal module full-lamination structure, a refraction angle of light emitted to the liquid crystal panel is reduced, the buffering layer surrounds the optical transparent adhesive tape, gapless sealing between the liquid crystal panel and the shell is realized, the light is stopped from leaking outwards, so that light loss is reduced effectively, the incident rate of the light emitted to the liquid crystal panel is improved, the light utilization rate is improved, and the imaging quality of the liquid crystal panel is high.

The invention discloses a special coil for pet scanning. The special coil comprises a coil main body and flexible coil bodies, wherein the coil main body is of a V-shaped structure, the surface of thecoil main body is provided with slots, the two ends of the flexible coil bodies are connected with plugs respectively, the plugs are inserted in the slots, and the slots are internally provided withconnecting mechanisms; the coil main body adopts the V shape, so that scanning requirements of various animals can be met, by position adjustment of the flexible parts of the coil and combination of the different numbers of channels, different parts of a pet are scanned, the image quality is clear, repeated positioning is not needed, the clinical scanning positioning time of doctors in hospitals is saved, and the requirement is truly met that animals of different shapes and lengths and different parts of the same animal can be scanned by using only one coil.

The invention discloses a novel cesium iodide scintillation screen. The cesium iodide scintillation screen comprises a bottom layer and a scintillation layer; the scintillation layer consists of a cesium iodide layer and a thallium iodide layer; the thallium iodide layer is coated upon the cesium iodide layer. The invention discloses the novel cesium iodide scintillation screen. The scintillation screen has reasonable structural design and unique functions; the scintillation layer of the novel cesium iodide scintillation screen uses cesium iodide as a photovoltaic conversion medium and is coated with thallium iodide; the structural design effectively ensures stability of the scintillation screen in the fluorescence conversion process, avoids generating a scattering effect and enables the scintillation screen to have a more excellent MTF (Modulation Transfer Function) value, a higher image contrast and clearer and more reliable image quality.

The invention discloses a miniaturized medium-wave refrigeration infrared continuous zooming optical system with a focal length of 15-250 mm. The miniaturized medium-wave refrigeration infrared continuous zooming optical system comprises a front fixing group, a zooming group, a compensation group, a rear fixing group and a secondary imaging lens group which are sequentially arranged along a light path propagation direction, the front fixing group is a first lens with positive diopter and is made of a silicon material; the zoom group is a second lens with negative diopter and is made of a single crystal germanium material; the compensation group is a third lens with positive diopter and is made of a silicon material; the rear fixing group is composed of a fourth lens with positive diopter and a fifth lens with negative diopter, the fourth lens is made of a silicon material, and the fifth lens is made of a single crystal germanium material; the secondary imaging lens group is a sixth lens with positive diopter and is made of a silicon material; the air interval between the front fixing group and the zooming group is 15.2-35.1 mm; the air interval between the zoom group and the compensation group is 35.7 to 2.1 mm; and the air interval between the compensation group and the rear fixing group is 2-17.8 mm. The number of lenses is small, and the total length is small; large zooming can be realized, and the imaging quality is clear.

The invention discloses an optical lens module applied to a sweeping robot, which comprises a first lens, a second lens, a third lens and a fourth lens which are sequentially arranged from an object side to an image side, a diaphragm is arranged between the second lens and the third lens, the first lens comprises a first surface close to the object side and a second surface away from the object side, and the fourth lens comprises a second surface close to the object side and a third surface away from the object side. The surface type structures of the first surface and the second surface meet an equation I, Cy represents the curvature in the Y direction, Cx (y) represents the curvature in the X direction, Ky represents the cone coefficient in the Y direction, X and Y represent the distance between the x direction and the y direction, Z (x, y) represents the coordinate in the z direction, and an, bn, cn... jn, An, Bn... Fn are coefficients; the focal power of the first lens is negative. The two surface types of the first lens have corresponding curvature changes in the X direction and the Y direction, the view field change rates of the edges of the lens in the X direction and the Y direction can be basically the same, image edge distortion is reduced, and meanwhile it can be guaranteed that the transverse large view field angle is achieved.

The present invention relates to an ink set for inkjet recording containing a white ink and color inks including a cyan ink, a magenta ink and a yellow ink, wherein each ink independently contains a pigment, a pigment dispersing resin, an organic solvent and water, the pigment dispersing resin A of either the white ink or the color inks has an alkyl chain with a carbon number of 10 or greater, the pigment dispersing resin B of the other of the white ink or the color inks has a polyoxyalkylene chain, and the pigment dispersing resin A and the pigment dispersing resin B are different resins. According to the present invention, an ink set for inkjet recording can be provided that exhibits excellent printability during high-speed printing, even when printing onto less permeable substrates, and is capable of producing sharp image quality with little mixed color bleeding.

A kind of guiding mechanism of free curved surface total reflection visual optical prism and outgoing optical axis depth of parallelism, the visual optical prism includes a flat incident plane and sphere outgoing plane and free curved surface reflection plane, the incident plane makes light beam incident into the visual optical prism; the outgoing plane reflects light beam to the reflection plane; the reflection plane reflects light beam back to the outgoing plane, at last the light beam is refracted by the outgoing plane to pupil, the amplified image of the visual optical prism can be seen from pupil, the guiding mechanism includes rack, adjusting screw, two bosses on top of the visual optical prism, and rotation shaft of bass, the visual optical prism is mounted from lower part of the rack, the adjusting screw is screwed in the rack and pressed the visual optical prism. The loss of optical energy is little, quality of imaging is clear, weight is light and convenient to wear, number of optic accessory is little, shape of structure is simple for assembly, and adjustment is easy.

The present invention relates to an ink set for inkjet recording containing a white ink and color inks including a cyan ink, a magenta ink and a yellow ink, wherein each ink independently contains a pigment, a pigment dispersing resin, an organic solvent and water, the pigment dispersing resin A of either the white ink or the color inks has an alkyl chain with a carbon number of 10 or greater, the pigment dispersing resin B of the other of the white ink or the color inks has a polyoxyalkylene chain, and the pigment dispersing resin A and the pigment dispersing resin B are different resins. According to the present invention, an ink set for inkjet recording can be provided that exhibits excellent printability during high-speed printing, even when printing onto less permeable substrates, and is capable of producing sharp image quality with little mixed color bleeding.

The invention relates to a radioactive compound labeling technology in the field of positron imaging agents, in particular to a method for synthesizing carbon-11 labeled N-methyldopamine hydrochloride. The preparation method comprises the following steps of: A, fully reacting 200 to 300mCi of carbon-11 methyl iodide (II) with 3 to 6mg of dopamine hydrochloride (III) dissolved and neutralized by excessive 0.1mol / L sodium bicarbonate solution at the temperature of between 70-85DEG C, and cooling to room temperature to obtain reaction liquid; and B, blowing the reaction liquid in the step A to dryness, separating, collecting a substance with a radioactive component, wherein the radioactive component is the carbon-11 labeled N-methyldopamine hydrochloride (I). The carbon-11 labeled N-methyldopamine hydrochloride has strong affinity with a dopamine transporter and a norepinephrine transporter, can early discover the change of cardiac sympathetic nerves, and provides a strong evidence for early diagnosis and treatment of heart disease; and the preparation method is simple and practicable, good in repeatability, low in synthetic cost and stable in yield.