78results about How to "Improve imaging stability" patented technology

An electrophoretic medium comprises a plurality of particles suspended in a suspending fluid, the particles being capable of moving through the fluid upon application of an electric field to the medium, the fluid having dissolved or dispersed therein a polymer having a number average molecular weight in excess of about 20,000, the polymer being essentially non-absorbing on the particles. The polymer improves the bistability of the display (i.e., the period for which a written image persist without the display being refreshed) but does not greatly increase the viscosity of the suspending fluid, thus keeping the switching time of the display within reasonable limits. The medium may be encapsulated, or may be in the form a polymer-dispersed electrophoretic medium.

In an image sequence stabilization method and a camera, a sequence of input digital images are captured. The sequence of input digital images is replicated to provide a corresponding sequence of archival images and a corresponding sequence of display images. The archival image sequence is automatically stabilized to provide a stabilized archival image sequence. The display image sequence is automatically stabilized to provide a stabilized display image sequence. The stabilization methods used for the two sequences are different, although both can be digital.

An image forming apparatus has: a recording head for forming an image on a recording medium; a color correction processing device which performs a color correction processing with respect to an input image data; an image output controller which controls the recording head according to the image data after performing the color correction processing in such a manner that the image corresponding to the image data is formed on the recording medium; a patch forming controller which controls the recording head so as to form a patch for colorimetry on the recording medium; a memory device for storing an output condition for forming the image, and measured results of the patch for colorimetry formed under the output condition; and a correction data change device which changes a correction data used for the color correction processing performed by the color correction processing device, when difference between the measured results of the patch for colorimetry that are obtained by forming the patch for colorimetry and performing colorimetry of that formed patch before starting of a printing job or during performing the printing job and the measured results of the patch for colorimetry that are stored in the memory device exceeds a predetermined acceptable range.

The present invention aims to provide a photoconductor having improved wear resistance, and which has reduced foreign matter attached on the photoconductor surface.The electrophotographic photoconductor of the present invention is formed by sequentially disposing a photoconductive layer comprising at least one layer and a protective layer on an electroconductive support, and the protective layer comprises an acrylic resin and / or a methacrylic resin and a resin composition comprising an acryl-modified polyorganosiloxane compound which is dispersed in or compatible with the acrylic resin and / or the methacrylic resin.

The invention relates to an inkjet recording element that comprises, on a support, a porous hydrophilic image-receiving layer made by a subtractive method involving removal of water-insoluble polymeric latex from a coated non-porous layer to form the porous layer. Also disclosed is a method for making the inkjet recording element and a method of printing on such an inkjet recording

An inkjet recording method of forming an image on an inkjet recording sheet that has, on a support, a colorant-receiving layer which contains at least one inorganic mordant, by using an inkjet recording ink set that comprises, as minimum constituent elements thereof, a yellow ink which contains at least one yellow dye, a magenta ink which contains at least one magenta dye and a cyan ink which contains at least one cyan dye, wherein an oxidation potential of the magenta dye and an oxidation potential of the cyan dye are each nobler than 0.8 V (vs SCE).

The present invention is directed to a display fluid comprising composite pigment particles dispersed in a solvent. The composite pigment particles may exhibit dual functions, that is, they may provide a color to a display device, and also modify the rheology of the fluid without affecting the image switching speed.

An image lens system includes, in order from an object side to an image side, a first lens element with negative refractive power including a concave image-side surface; a second lens element with positive refractive power including a convex object-side surface; a third lens element with negative refractive power including an object-side surface and a concave image-side surface, the object-side surface and the image-side surface being aspheric; a fourth lens element with positive refractive power including a convex object-side surface and a convex image-side surface; and a fifth lens element with negative refractive power including a convex object-side surface and a concave image-side surface, the object-side surface and the image-side surface being aspheric, the fifth lens element having at least one inflection point.

The invention provides an optical imaging system, an optical system and a mobile terminal. The optical imaging system comprises at least one lens system, a reflecting mirror and a driving element. The lens systems are used for projecting images on an imaging element, the reflecting mirror is arranged on a light path between a light inlet of the optical imaging device and the imaging element and reflects light from the light inlet to enable the light to pass through the lens systems, and the driving element is used for fixing the reflecting mirror and driving the reflecting mirror when receiving a control signal from the outside. An optical imaging structure is provided with a horizontal framing light path, and the angle of the reflecting mirror is adjusted to improve imaging stability and extend field of view of framing.

The invention provides an inverse synthetic aperture radar imaging method based on multi-task Bayesian compression perception. The method is used to solve technical problems that imaging complexity is high and stability is poor in an existing inverse synthetic aperture radar imaging method based on compression perception. The method comprises the following steps of emitting a chirp signal to a sparse target scene by a radar and simultaneously acquiring an echo signal of the scene; constructing an echo model; introducing an intermediate variable matrix and constructing a solving model; and using a multi-task Bayesian compression perception algorithm to solve, acquiring the intermediate variable matrix, and then using the multi-task Bayesian compression perception algorithm to solve a formula expressing a relation between the intermediate variable matrix and a scattering coefficient matrix of the sparse target scene so as to acquire an image of the sparse target scene.

The invention discloses a large-visual-field high-resolution microscopic imaging method based on optimal Hadamard codes. The large-visual-field high-resolution microscopic imaging method includes generating a required optimal Hadamard code matrix by a computer, taking an LED array as a microscope light source, displaying optimal Hadamard code patterns, shooting a series of low-resolution microscopic images of a to-be-tested sample at different illumination angles by a camera, solving the low-resolution microscopic image of the to-be-tested sample under single-angle illumination according to the optimal Hadamard code matrix, and compositing the large-visual-field low-resolution microscopic images into a large-visual-field high-resolution image by the aid of a frequency domain aperture synthesis technology. The large-visual-field high-resolution microscopic imaging method has the advantages that required exposure time of the camera can be shortened, system image collection speed can be increased, noise can be suppressed, and quality of image collected by a system can be improved.

The invention discloses a photographic system, which is operated in a photographic device with a proximity sensor. The proximity sensor senses an approach distance between a user and the proximity sensor in real time. The system comprises an acquisition module, a judgment module and a triggering module, wherein the acquisition module is used for acquiring the sensed approach distance between the user and the proximity sensor in real time; the judgment module is used for judging whether the acquired approach distance is shorter than a preset effective photographic distance of the photographic device or not; and the triggering module is used for triggering the photographic device to take a photo if the acquired approach distance is shorter than the effective photographic distance. The invention also provides a photographic method. By the photographic system and the photographic method, the user can be prevented from taking blurred photos due to photographic device shake caused by the pressing of a shutter when taking the photo.

An auto focus (AF) method adapted to an AF apparatus is provided. The AF method includes following steps. A first image is captured by using the first image sensor. At least one characteristic is detected based on the first image, and whether the characteristic meets a predetermined condition is determined. If the characteristic meets the predetermined condition, a focus depth is calculated according to a three-dimensional (3D) depth information and movement of a first lens of the first sensor is driven according to the focus depth for focusing. If the characteristic does not meet the predetermined condition, the first lens is driven to move for many times to obtain a plurality of contrast values, such that movement of the first lens is driven according to the contrast values for focusing. Additionally, an AF apparatus is provided.

An auto focus (AF) method adapted to an AF apparatus is provided. The AF method includes following steps. A target object is selected and photographed by a first image sensor and a second image sensor to generate a first image and a second image. A procedure of three-dimensional (3D) depth estimation is performed according to the first image and the second image to generate a 3D depth map. An optimization process is performed on the 3D depth map to generate an optimized 3D depth map. A piece of depth information corresponding to the target object is determined according to the optimized 3D depth map, and a focusing position regarding the target object is obtained according to the pieces of depth information. The AF apparatus is driven to execute an AF procedure according to the focusing position. Additionally, an AF apparatus is provided.

A varifocal lens barrel includes a plurality of lens groups, each of which are linearly movable in the optical axis direction thereof without rotating about the optical axis during a zooming operation and during a focusing operation, including a base barrel which is linearly movable in the optical axis direction by rotation of a zoom operational ring, wherein lens frames of the respective lens groups are each supported by the base barrel.

An ink retained in an ink transfer block is heated by a heating device correspondingly to information to be printed, thereby developing a surface tension gradient and interfacial tension gradient on the ink surface, and a fluidity caused by the surface tension gradient and / or interfacial tension gradient of the ink surface is utilized to have the ink fly from the ink transfer block, thereby printing the information on a print receptor, the heating device having a heating velocity v (in K / s) which meets a requirement (Tb-Ti) / v>h2 / D where Tb is a boiling point of the ink in K; Ti is an initial temperature of the ink in K; h is the shortest distance between the surface of the heating means and ink surface in m; and D is a coefficient of thermal diffusion in m2 / s.

The invention discloses an image iterative reconstruction method orienting large-field-of-view high-resolution microscopic imaging. Firstly an LED array acts as a lighting source of a microscope, each LED element is lighted up in turn to irradiate a sample and then corresponding images are acquired; the low-resolution images photographed in a way of irradiating the sample by using the LED element arranged at the center of the LED array are utilized to initialize the amplitude and the phase of the high-resolution images; synthetic aperture operation is performed on each acquired image in turn in a frequency domain by using an incremental gradient method; the incremental gradient iteration coefficient is updated with a cost function value acting as the criterion; and iteration is stopped when the incremental gradient iteration coefficient is less than a given threshold. Complex parameter adjustment is not required, and the method has high resistance to the noise in the acquired images so that the large-field-of-view high-resolution images can be quite stably and accurately reconstructed.

The present invention provides a composition for water-removable ink with an effect of coupling retardation by using an aliphatic alcohol as a solvent, which is selected from a group comprising n-butyl alcohol, n-propyl alcohol, isopropyl alcohol and pentanol, so that the curiosity of infants or juveniles can be stimulated to enhance the learning effect and also various desires of students or adults can be satisfied in terms of ornamental purposes.

An image quality improvement treatment liquid is disclosed that improves quality of an image formed on a medium by reacting with color materials in ink and agglutinating the color materials upon contact with the ink including water and color materials to be ionized in water or color materials to be ionized in water due to absorption with components having ionic characteristics in water. The image quality improvement treatment liquid includes at least one of cationic components and components capable of acidizing water, at least one of nonionic surfactant and amphoteric surfactant as a foaming agent, and water-insoluble fatty acid.

The invention discloses a shooting method and system based on a sensor. The method comprises the steps of: when entering a shooting mode, starting the sensor and acquiring a distance to an object in the front, which is sensed by the sensor, in real time; and comparing the distance with a preset distance threshold, and when the distance is smaller than the preset threshold, triggering a shutter to carry out shooting. According to the invention, the distance to the object in the front is sensed by the sensor and an intelligent terminal is controlled to carry out shooting according to the distance, so that a user can shot by a method of closing to the shutter, and thus, the condition that in the shooting process, due to pressing on the shooting shutter, the shutter is shaken to cause to shoot a fuzzy photo is effectively prevented, imaging stability of shooting is improved and a visual effect of the photo is improved.

The invention discloses a confocal optical scanner mainly applied to the fields of biomedicine microimaging, material research and integrated circuit chip detection imaging. Under the condition that the positions of a microscope objective and a sample are not changed, the divergence angle of light beam penetrating through a pinhole and reflected by an XY galvanometer is changed by moving a dynamic focusing lens between the pinhole and the XY scanning galvanometer along the optical axis, so that 3D scanning imaging of the sample is realized, and a 3D cofocal image is obtained.

A coloring composition comprising a dye compound represented by formula (I): wherein Dye represents a dye structure portion; Q represents —SO—, —SO2—, —SO2NR11—, —CO— or —CONR12— in which R11 and R12 each independently represents a hydrogen atom or a substituent; W represents a divalent aliphatic group; M represents an ionic group; and m represents an integer of 1 or greater, and wherein the dye compound satisfies conditions 1 and 2: Condition 1: 200<Mw / (the number of CO2M groups contained in the dye compound)<500 Condition 2: (the number of CO2M groups contained in the dye compound) / p>0.5, with the proviso that Mw represents a molecular weight of the dye compound represented by the formula (1); and p represents the total number of ionic hydrophilic groups substituted on the dye compound represented by the formula (1).

The invention is suitable for the technical field of image processing, and provides a thermal imaging correction method and device and terminal equipment. According to the embodiment of the invention, when the environment temperature changes, a blocking piece is controlled to cover a detector, and a first gray value of the blocking piece is obtained; non-uniformity correction is carried out on the first gray value of the separation blade to obtain a second gray value of the separation blade; the separation blade is controlled to reset, and the gray value of the thermal imaging target is obtained; two-point correction is carried out according to the gray value of the thermal imaging target, the second gray value of the separation blade and the two-point correction parameter, a corrected gray value is obtained, the response rates of different detection units can be corrected to be the same, the non-uniformity of the image is eliminated, the corrected gray value can be suitable for all temperature intervals in the temperature measurement range, and therefore, the imaging stability is improved.