43results about How to "Good depth of field" patented technology

A method and a system for forming an image of a scene are provided. The method includes capturing an image of the scene by exposing an image sensor to radiation from one part of the EM spectrum using one aperture and to radiation from another part of the EM spectrum using another aperture having a different size than the first aperture. Simultaneously with capturing the image, the scene is illuminated with radiation from the second part of the EM spectrum. The image is then formed on the basis of image data generated by the radiation from the first part of the EM spectrum and image data generated by radiation from the second part of the EM spectrum.

A method is described of capturing an image. The method comprising the steps of: exposing an image sensor to radiation from a first part of the electromagnetic spectrum using a first aperture and to radiation from a second part of the spectrum using a second aperture having a different size than the first aperture; and, forming an image on the basis of first image data generated by the radiation from the first part of the spectrum and second image data generated by radiation from the second part of the spectrum.

A sparse DOA estimation is based on a multi-level prime arrays (MLPAs) as a general structure for coprime arrays. The array uses multiple uniform subarrays “or levels” where the number of antenna elements of the subarrays are pairwise coprime integers. The subarrays overlap only at their first antenna element by adjusting the inter-element spacing. By selecting the number of antennas of the subarrays and controlling the inter-element spacing, various MLPAs of different features can be constructed. The configuration that realizes the maximum number of unique lags is recommended because the DOF is upper bounded by the number of lags.

A input device for transmitting a user input using a magnetic field generator is disclosed. The input device for transmitting a user input to an electrical device may include a base portion fixed to a predetermined location of the electrical device, and a grip portion connected to the base portion through an elastic member and having a regression characteristic to return to a direction of the base portion in response to the grip portion being separated from the base portion by a preset distance or greater. A displacement or a rotation of the grip portion may be determined based on prior physical information of the input device and a value obtained by sensing a movement of the grip portion by a sensor in the electrical device.

System and method for applying mask data patterns to substrate in a lithography manufacturing process are disclosed. In one embodiment, the method includes providing a parallel imaging writer system which has a plurality of spatial light modulator (SLM) imaging units arranged in one or more parallel arrays; receiving a mask data pattern to be written to a substrate, processing the mask data pattern to form a plurality of partitioned mask data patterns corresponding to different areas of the substrate, assigning one or more SLM imaging units to handle each of the partitioned mask data pattern, controlling the plurality of SLM imaging units to write the plurality of partitioned mask data patterns to the substrate in parallel, controlling movement of the plurality of SLM imaging units to cover the different areas of the substrate, and controlling movement of the substrate to be in synchronization with continuous writing of the plurality of partitioned mask data patterns.

Quantities of motion between images of an electronic camera are calculated and used to adjust the exposure time and one or more other exposure parameters used to capture an image in order to improve the quality of the image. Motion blur caused by movement of the camera or by movement of an object within the scene being photographed is reduced by selecting appropriate exposure parameters. Further, when there is little or no motion detected, the exposure parameters may be selected to improve the depth of field and reduce the noise in the captured image.

The invention discloses a shooting method used for raising shooting effect, comprising determining a first focusing point located on a first object to be shot; determining at least two shooting angles in dependence on the first focusing point; shooting at least one picture at each shooting angle of the at least two shooting angles by a shooting unit to obtain N pictures, wherein N is an integer no less than two; and obtaining a first picture in dependence on the N pictures. The invention also discloses an electronic device for realizing the method.

Sulfonium and iodonium salts of a carboxylate having an aromatic ring to which a nitrogen-containing alkyl or cyclic structure is attached are novel. The onium salt functions as an acid diffusion controlling agent in a resist composition, enabling to form a pattern of good profile with high resolution, improved MEF, LWR and DOF.

The invention discloses a complex amplitude hologram algorithm based on a light field, and the algorithm comprises the steps: firstly carrying out the multi-angle photographing of a three-dimensionalobject through a virtual camera, and obtaining a series of subgraphs; then adding an inclination phase factor of a corresponding angle to each sub-image in an algorithm, and adding the obtained imagesto obtain a complex amplitude hologram; or, displacing the frequency spectrum of each sub-image in the frequency domain space, enabling the displacement to correspond to the angle information duringshooting, and adding the sub-images of which the frequency spectrum positions are moved to obtain a complex amplitude hologram; and finally, modulating the obtained complex amplitude hologram by usinga complex amplitude modulation device so as to reconstruct the three-dimensional object. According to the algorithm, a three-dimensional light field closer to a natural scene can be reconstructed, the calculation speed of a hologram is increased, and meanwhile, a reconstruction light path is simplified.

The present invention provides an apparatus and a system for improving depth of focus (DOF), wherein an optical lens for optical processing is actuated to vibrate whereby the DOF of the optical processing is increased due to the variation of focal point. In the embodiment of the present invention, an actuator is coupled to the optical lens for providing vibration energy wherein the optical lens is actuated by the vibration energy so as to vibrate on an optical axis thereof so as to increase the DOF during the optical processing, thereby improving the quality and efficiency of optical processing.

The invention discloses a paraxial virtual image display system with a superwide vertical field angle, belonging to the technical field of virtual image display of a flight simulator. The display system comprises a projector, a projection screen and a spherical reflector, wherein the projection screen is a rear projection screen, the distance between the projection screen and the spherical reflector is less than twice focal length of the spherical reflector, the projection screen is shaped as a tire surface, the rotation axis of the projection screen and the rotation axis of the spherical reflector are same straight line, the radius of the projection screen is less than the distance from the projection screen to the rotation axis, the sphere center of the spherical reflector is higher than the upper end surface of the spherical reflector, and the circle center of the projection screen is higher than the sphere center of the spherical reflector. The vertical field angle of the paraxial virtual image display system can reach 60 degrees, and different requirements of flight simulation training are met on the premise that the characteristics of high field depth, strong three-dimensional sense and the like of the paraxial virtual image display system are ensured.

The invention relates to a detection method for the cross section of a fiber. The detection method comprises the following steps: 1, horizontally laying the fiber on a film, sticking two metal plates between the fiber and the film, fixing the two metal plates, drying, cooling, carrying down the fiber from the film to obtain an impression picture of the longitudinal cross section of the fiber on the film; and 2, adhering the fiber to the bottom of a container by an adhesive, adding a resin mixture to the container, drying to polymerize the resin mixture, cooling at room temperature, slicing toobtain a slice, adhering the slice to a slide glass, and putting the slide glass in cedar oil for the microscope observation. The detection method of the invention has the advantages of simplicity, no new equipment requirement, and realization of the large scale application. Compared with the direct microscope observation, the method of the invention allows the obtained field depth to be better, complete information of the cross section of the fiber to be once obtained, and influences of dyes of the surface of the fiber to be eliminated, so the discrimination accuracy on the fiber is improved.

The invention discloses a virtual three-dimensional (3D) linkage display dispatching system for coal mining face, and belongs to a virtual 3D linkage display system. A front beam, a main beam and a rear thrust beam of the virtual 3D linkage display dispatching system are connected in sequence. A front beam sensor and a front beam oil cylinder are connected to the bottom surface of the front beam. A first support oil cylinder and a second support oil cylinder are connected between the main beam and a walking bottom plate. A first sensor is connected to the bottom surface of the first support oil cylinder, and a second sensor is connected to the bottom surface of the second support oil cylinder. A control box is connected to the middle part of the second support oil cylinder. A rear seat is connected to the rear part of the walking bottom plate. A rear seat support is connected between the walking bottom plate and the rear seat. The virtual 3D linkage display dispatching system has the advantages that: the technology is free from the influence of the environment of the coal mining face, wide in viewing angle, good in depth of field and practical; the requirements of fully mechanized mining can be met, the specific working conditions of the coal mining face can be known in real time, and the conditions of a job site are displayed in a 3D virtual display picture form; and the system is simple in working and mounting design and high in visualization degree, and dispatching commanding capability is improved.

Spare transistors are formed in regions of a semiconductor device where functional transistors are not formed, providing uniformity in etch and polishing processes, and resulting in transistors with more uniform parameters on the semiconductor device. The spare transistors may not be electrically connected to other components on the device, or alternatively, the spare transistors may be connected to other components for use as spare transistors, for example. The gates of the spare transistors provide a homogeneous gate material layer, resulting in improved etch, polishing, and lithography processes for the semiconductor device.

The invention discloses a diaphragm manufacturing method, a shell and electronic equipment. The diaphragm manufacturing method comprises the steps of extracting a lens section curve model according toa preset lens depth of field, and cutting a curve to form a plurality of triangular units; sequentially arranging the plurality of triangular units on a predetermined plane along the curve to form adiaphragm section curve model; preparing a mother mold according to the diaphragm section curve model; preparing a child mold opposite to the curve direction of the mother mold according to the mothermold; transferring the child mold to manufacture a pattern layer on a sheet, plating a reflective film layer on the pattern layer, and printing an ink layer on the reflective film layer; and conducting CNC cutting on the sheet to prepare a diaphragm. According to the diaphragm manufacturing method, the shell and the electronic equipment disclosed by the invention, the depth-of-field effect of thetexture pattern of the shell can be relatively good, and the visual effect of a user is optimized.

The present invention provides a method for dynamically adjusting image quality, including steps, A1. Take the current frame, the frames of the first set value before it, and the frames of the second set value after it, and for each frame of image The brightness of the pixel point at the set position of the set value is carried out, and the loop detection of the number of times of the third set value is carried out to calculate the average value of the average level of the dynamic image quality; A2. Divide the brightness interval into the fourth set value level, and divide the The pixel points of the image are sampled, the brightness of the obtained pixel points is measured, and statistics are carried out with the brightness level of the fourth set value, and the ratio of the pixel points whose brightness does not reach the average value to all the sampled pixel points is calculated; A3. The numerical value is multiplied by the proportional numerical value to obtain the average correction value of the average dynamic image quality; A4. Use the input image information to superimpose the correction value as the output image information. From the level of image decoding, the overall image quality level is improved, and the problem of life damage of the screen caused by backlight changes is eliminated.

A method is described of capturing an image. The method comprising the steps of: exposing an image sensor to radiation from a first part of the electromagnetic spectrum using a first aperture and to radiation from a second part of the spectrum using a second aperture having a different size than the first aperture; and, forming an image on the basis of first image data generated by the radiation from the first part of the spectrum and second image data generated by radiation from the second part of the spectrum.

Disclosed is a method for manufacturing a semiconductor device by employing a dual damascene process. After a first insulation film including a conductive pattern is formed on a substrate, at least one etch stop film and at least one insulation film are alternatively formed on the first insulation film. A via hole for a contact or a trench for a metal wiring is formed through the insulation film, and then the via hole or the trench is filled with a filling film including a water-soluble polymer. After a photoresist film is coated on the filling film, the photoresist film is patterned to form a photoresist pattern and to remove the filling film. The DOF and processing margin of the photolithography process for forming the photoresist pattern can be improved because the photoresist film can have greatly reduced thickness due to the filling film.

The optical path folding device is used in optical scanning instrument with CCD or non-contact image sensor, and setting partial optical path space inside one folding device makes it possible to use common lens with better field depth to reduce the volume of scanning instrument for easy carrying about, holding and operating and to omit driving the scanning instrument while scanning. Reducing the volume of scanning instrument via folding can also save package cost and storing space.

The invention is applicable to the technical field of medical lens structures and provides a medical endoscope wide-angle capsule lens. The medical endoscope wide-angle capsule lens is characterized by comprising a transparent housing, wherein a base is arranged in the housing, a lens cone is arranged on the base, an arc-shaped lens piece I is arranged at the front end of the lens cone, a lens piece II, a shading sheet I, a lens piece III, a shading sheet II, a shading sheet III and a lens piece IV are sequentially arranged in the lens cone, and a light filter is arranged at the tail end of the lens cone. Therefore, the medical endoscope wide-angle capsule lens achieves a large view field angle and excellent field depth and accordingly can achieve better width and depth imaging.

The present invention relates to technology of printing and decoration. The stereo picture consists of transparent film and pattern layer produced through multiple screen shift printing and the transparent film has carved grating fringe grooves parallel to and aligned with the pattern layer. The production process includes extrusion of the film material before or after adhering the film to the pattern layer. Compared with prior art, the present invention has clear image, strong three-D effect and high field depth effect. The present inventionm is suitable for ads production, product package, artistic works, and other fields.

An image sensor included in a camera system comprises: a plurality of photodiodes for processing optical signals which have passed through a lens included in the camera system; and at least one mask, disposed on the top of at least one photodiode among the plurality of photodiodes, for enabling the optical signals which have passed through an inner region of the lens included in the camera system to enter the at least one photodiode.

The invention relates to an overhead rail type inspection robot based on binocular vision. The overhead rail type inspection robot comprises a rail assembly and an actuating part arranged on the rail assembly in a sliding mode, a sliding frame is arranged on the rail assembly in a sliding mode, the actuating part comprises a control box arranged on the sliding frame, a power supply is arranged at the bottom of the control box in a suspended mode. A left-eye camera and a right-eye camera are respectively arranged on two sides of the power supply, the left-eye camera is configured to acquire a left-eye image frame, the right-eye camera is configured to acquire a right-eye image frame, and the control box is configured to pre-process the left-eye image frame and the right-eye image frame and synthesize the pre-processed left-eye image frame and the pre-processed right-eye image frame into a video stream. According to the overhead rail type inspection robot based on binocular vision, image information of an inspection area can be collected through the left-eye camera and the right-eye camera respectively, then the two paths of image information are preprocessed and then synthesized into one path of video stream, and the video stream is a three-dimensional video stream containing the left-eye image frame and the right-eye image frame.

Sulfonium and iodonium salts of nitrogen-containing carboxylic acids are novel. The onium salt functions as an acid diffusion controlling agent in a resist composition, enabling to form a pattern of good profile with high resolution, improved MEF, LWR and DOF.

The invention discloses a monitoring camera with day and night double apertures. The monitoring camera comprises a Fresnel lens, a driven infrared sensor, an automatic switching aperture lens, an image sensor, an infrared auxiliary illumination circuit and an environment brightness detection circuit, and further comprises a low-power-consumption MCU (Micro-programmed Control Unit) and a DSP (Digital Signal Processor) processing chip, wherein the automatic switching aperture lens is arranged in a manner being aligned to the image sensor and the automatic switching aperture lens comprises a lens assembly and a switchable aperture pair; the switchable aperture pair is provided with a daytime aperture and a nighttime aperture, which have different apertures; the aperture of the daytime aperture is smaller than that of the nighttime aperture; an infrared filter is arranged on the surface of the daytime aperture; at the daytime, the daytime aperture is aligned to a lens of the lens assembly; at the nighttime, the switchable aperture pair can be switched into the nighttime aperture; and the nighttime aperture is aligned to the lens of the lens assembly. The monitoring camera with the day and night double apertures disclosed by the invention realizes automatic induction shooting and night vision functions and effectively overcomes the contradiction between daytime field depth and nighttime brightness of a fixed aperture monitoring camera.

The present invention relates to a medical examination device, in particular to an ophthalmic slit lamp microscope. The slit lamp microscope is provided with a base on which a slit lamp assembly, an objective assembly and an eyepiece assembly are arranged, wherein the slit lamp assembly comprises a light source above which a slit seat bottom bracket is arranged, a slit seat is arranged in the slit seat bottom bracket, the upper surface of the slit seat is provided with a diaphragm disc on which at least two diaphragm sheets are arranged, and the diaphragm disc is rotatablely connected with the slit seat. The slit seat is fixedly provided with a positioning reed and a positioning groove outside the circumference of the diaphragm disc, and one end of the positioning reed is elastically embedded in the positioning groove. The slit lamp microscope adopts the rotary diaphragm disc on which the diaphragm sheets with different diameters are arranged for adjusting the facula size, and has the characteristics of clear ocular optic section, high brightness, light weight, portability and simple operation.