40results about How to "Not blurred" patented technology

The invention discloses an SAR (Synthetic Aperture Radar) image change detection method based on a neighborhood logarithm specific value and anisotropic diffusion, relating to the field of remote sensing image processing and mainly solving the problem that a difference graph structure of SAR image change detection is seriously influenced by SAR image spot noises. The SAR image change detection method comprises the following steps: (1) structuring a difference striograph IL of two images I1 and I2 of different times and same terrain according to a neighborhood logarithm specific value method; (2) carrying out self-adaptation window anisotropic diffusion filtering processing on the difference striograph IL to obtain a final filtering result graph NI<t>[L] of the difference striograph; and (3) carrying out threshold segmentation on the final filtering result graph NI<t>[L] of the difference striograph by using an OSTU (Maximum Between-Class Variance) threshold algorithm to obtain a change detection result graph CNI<t>[L] for structuring the difference striograph by using the neighborhood logarithm specific value method. The histogram of the difference striograph can be compressed so as to effectively eliminate miscellaneous points in the change detection result graph; and the self-adaptation window anisotropic diffusion filtering has favorable edge retentiveness and cannot blurs the edges of the image, thus, an obtained change detection result graph is finer.

Method for providing virtual light and a processing system thereof are provided. The method includes: implementing a virtual light source on a mobile device; receiving a user input, wherein the user input instructs the mobile device to capture 2D output images of current views of a plurality of device sensors in real time; receiving a plurality of sensor outputs, wherein the plurality of sensor outputs are generated by using the plurality of device sensors to sense information from the current views, and the plurality of sensor outputs include initial 2D frames sensed by one or more of the plurality of device sensors; and responding to reception of the plurality of sensor outputs and the user input, generating a 2D output image on the mobile device according to regulation on the virtual light source and the initial 2D frames, wherein generation of the 2D output image is real time relative to reception of the plurality of sensor outputs. In the embodiment of the invention, the virtual light source is used to replace a flash lamp, the brightness of images captured by the mobile device is improved, and the images are not blurred due to movement or shake.

The invention relates to an electronic speckle interference fringe pattern filtering method, belonging to the optical detection and optical information processing technical field. The method comprises the following steps: determining the first-order partial derivative and second-order partial derivative of each pixel in an image according to the discrete scheme of spatial derivative term, then determining the numerical solution of each pixel in the image, calculating g function value gi and jn of each pixel in the image, repeating the above steps until the set the number of iterations and obtaining the filtered image. The invention fully considers the direction of fringes and ensures the scattering to move along the direction of fringes so that the edge can be maintained during filtering and the fringes can not be fuzzy even in the high-density area. Therefore, the method of the invention can be used for high density and high noise electronic speckle interference fringe pattern filtering.

The invention discloses an electronic lock system achieving recognition through fingerprints.The electronic lock system comprises an electronic lock, a fingerprint recognition device used for driving the electronic lock to be unlocked and a secret key device; the fingerprint recognition device comprises a fingerprint recognition module, a fingerprint image processing module, a transmission module, a fingerprint verification module and a control module which are sequentially and electrically connected, wherein the control module is used for controlling the electronic lock to be locked; the secret key device is electrically connected with the control module, and the fingerprint verification module is used for enabling the control module to unlock the electronic lock after an effective fingerprint image is input or correct passwords are input through the secret key device; the fingerprint image processing module comprises a fingerprint information verification submodule, an image gray scale processing submodule, an image texture parameter calculating submodule, an image segmentation submodule and an image enhancement submodule.The electronic lock system is safe, efficient and high in fingerprint recognition efficiency and precision.

The invention discloses a household appliance automatic regulation and control device having an identity identification function. The device includes a household appliance automatic regulation and control device provided with an electronic lock, a fingerprint identification device that drives the electronic lock to open and a secret key device, wherein the fingerprint identification device includes a fingerprint identification module, a fingerprint image processing module, a transmission module, a fingerprint verification module and a control module that controls the electronic lock to close which are electrically connected in sequence, the secret key device is electrically connected with the control module, and the control module opens the electronic lock after a valid fingerprint image is input to the fingerprint verification module or a correct password is input to the secret key device; and the fingerprint image processing module includes a fingerprint information check submodule, an image grayscale processing submodule, an image texture parameter calculation submodule, an image segmentation submodule and an image enhancement submodule. The household appliance automatic regulation and control device is safe and efficient, and is high in fingerprint identification efficiency and precision.

The invention discloses a primary explosive crystallization system based on segmented flow. The system comprises a computer control unit, a fluid driving unit, a micromixer, a synthesis and crystallization unit, a micro-observing system and a connecting assembly. Continuous phase loading liquid in an injector is driven by a computer control passage injecting pump to flow to a T-shaped connector through a flexible tube, the injecting pump is controlled to drive reflection liquid and an additive or an impurity solution in the injector to be collected and flow to the micromixer through a flexibletube, after thorough mixing, the mixture flows to the T-shaped connector to form liquid drops in uniform shapes, and the liquid drops flow to the synthesis and crystallization device with flowing ofthe fluid; the micro-observing system comprises a microscope and a connecting line connected with the computer control unit, the microscope is controlled by a computer to shoot the growing conditionsof crystal at different positions, the growing conditions of the crystal can be conveniently studied, and the crystal quality can be conveniently adjusted.

The present invention has a technical object to provide glasses which prevent invasion of pollen, can be continuously worn without any discomfort in wearing, and can effectively block ultraviolet ray. The present invention achieves the technical object by glasses including inwardly projecting visors in rims and end pieces of a frame, and glasses in which lenses, a frame, and inwardly projecting visors formed in the frame are formed of synthetic resin containing an ultraviolet absorbing agent or an ultraviolet scattering agent.

The invention discloses a manufacturing method of a panel switch, the panel switch comprises a key sheet and a key support, and the method is characterized in that a surface treatment method of the key sheet comprises the following steps: 1) spraying and curing a transparent primer: spraying the transparent primer on a base material made of transparent PC, and then curing; 2) carrying out vacuum electroplating; (3) spraying white paint on the front surface: spraying the white paint on the front surface of the key sheet semi-finished product obtained in the step (2), and curing, so that the white paint is attached to the vacuum plating layer; 4) spraying a light-transmitting finishing coat on the surface of the white paint and curing the light-transmitting finishing coat; (5) spraying black shading ink to the interior of the key support from the key piece, so that a finished key piece product is obtained. Black shading paint is sprayed on the surface of the key support, and a light-transmitting area is formed on the surface, facing the key piece, of the key support in a laser etching mode.

A thermal printhead (A1) includes a substrate (1), and a plurality of heating portions (2) aligned on the substrate in a primary scanning direction (X) . A plurality of electrodes (31, 32, 33) are connected to the heating portions (2). Each of the heating portions (2) has a width in the primary scanning direction (X) which is smaller than that of each of the electrodes (31, 32, 33). Each of the electrodes (31, 32, 33) includes a tapered portion (31C, 32C, 33C) having a width which reduces as progressing toward a corresponding one of the heating portions 2.

The invention discloses an SAR (Synthetic Aperture Radar) image change detection method based on a neighborhood logarithm specific value and anisotropic diffusion, relating to the field of remote sensing image processing and mainly solving the problem that a difference graph structure of SAR image change detection is seriously influenced by SAR image spot noises. The SAR image change detection method comprises the following steps: (1) structuring a difference striograph IL of two images I1 and I2 of different times and same terrain according to a neighborhood logarithm specific value method; (2) carrying out self-adaptation window anisotropic diffusion filtering processing on the difference striograph IL to obtain a final filtering result graph NI<t>[L] of the difference striograph; and (3) carrying out threshold segmentation on the final filtering result graph NI<t>[L] of the difference striograph by using an OSTU (Maximum Between-Class Variance) threshold algorithm to obtain a change detection result graph CNI<t>[L] for structuring the difference striograph by using the neighborhood logarithm specific value method. The histogram of the difference striograph can be compressed so as to effectively eliminate miscellaneous points in the change detection result graph; and the self-adaptation window anisotropic diffusion filtering has favorable edge retentiveness and cannot blurs the edges of the image, thus, an obtained change detection result graph is finer.

The invention discloses a piece of movable storage equipment with an identity authentication function. The equipment comprises a movable storage device as well as a fingerprint identification program and a key program which drive starting of the movable storage device, wherein the fingerprint identification program comprises a fingerprint identification module, a fingerprint image processing module, a transmission module, a fingerprint authentication module and a control module capable of controlling the starting of the movable storage device which are electrically connected in succession; the key program is electrically connected to the control module; after a valid fingerprint image is input into the fingerprint authentication module or a correct password is input into the key program, the control module can be promoted to start the movable storage device; and the fingerprint image processing module comprises a fingerprint information checking sub-module, an image grey processing sub-module, an image texture parameter calculation sub-module, an image division sub-module and an image enhancement module. The equipment disclosed by the invention is safe and efficient and has the advantages of high efficiency and high precision of fingerprint identification.

The invention relates to a tunnel lighting device, which includes a tunnel body and a first lighting device. The first lighting device is installed at the entrance of the tunnel and evenly arranged at a certain distance along the direction of the tunnel body. A reflective film is arranged at the tunnel entrance of the tunnel body. The device also includes corrugated plates on both sides of the tunnel body and reflective spikes fixed on the road surface at the lower part of the tunnel body. The corrugated plates are equipped with a first light emitting device or a second light emitting device. In the present invention, the first light-emitting device is installed at the entrance of the tunnel body and evenly arranged along the direction of the tunnel body, which ensures sufficient brightness for drivers entering the tunnel and greatly reduces the occurrence of accidents; the second light-emitting device The light emitted by the illuminant can be projected onto the light-transmitting reflective film and the reflective nail through the light-transmitting plate, so that it can be seen by driving vehicles and play a warning role.

The invention discloses a device for safely opening a cabinet. The device comprises a cabinet provided with an electronic lock, a fingerprint recognition device for opening the electronic lock, and a secret key device. The fingerprint recognition device comprises the following modules, which are electrically connected in sequence: a fingerprint recognition module, a fingerprint image processing module, a transmission module, a fingerprint verification module, and a control module, which is used to open / close the electronic lock. The secret key device is electrically connected to the control module. The fingerprint verification module can promote the control module to open the electronic lock, when an effective fingerprint image is input or a correct cipher is input into the secret key device. The fingerprint image processing module comprises a fingerprint information verification sub-module, an image grey level processing sub-module, an image texture parameter calculation sub-module, an image cutting sub-module, and an image enhancing sub-module. The device has the advantages of safety, high efficiency, high fingerprint recognition efficiency, and high precision.

The invention relates to a video enhancement method and a system. The method comprises: detecting an interest-based object in a video; calculating a salience map of each frame of image in the video; constructing a time domain filter with brightness and salience adaptation to filter the each frame of image in the video, thereby eliminating noises; and outputting an enhanced video. According to the video enhancement method and the system, video enhancement is carried out based on importance of a video content, so that no fuzzy phenomenon of important information in the video will be caused; besides, relevance of multiple continuous frames of images in the video are comprehensively considered, thereby ensuring stability of the enhanced effect.

The invention discloses a wide format printer provided with a winding frame with a hot blast device. The wide format printer is positioned behind a frame body, a leading-out roller of the wide format printer faces toward a guide roller on the frame body, and the wide format printer is composed of a body, two supporting plates fixed on the bottom surface of the body and bottom rolling frames fixed at the lower ends of the two supporting plates. A supporting sleeve is fixed at the tops of two supporting rods of the frame body, the hot blast device is arranged on the supporting sleeve, the bottom of the frame body is provided with a roller supporting frame and a drive frame, one end of a roller is arranged in a bump of the roller supporting frame, and the other end of the roller is arranged on a rotating block fixed on an output shaft of a servo motor fixed on the drive frame. Winding rollers of the supporting plates of the wide format printer are removed, the frame body with the hot blast device is added, so that paper or film material out of the leading-out roller of a main machine is subjected to drying treatment of the hot blast device, printed faces are dried rapidly, patterns or characters can not be blurred, and printing quality is improved.

The invention provides an optical lens, which comprises in sequence from the object side to the imaging surface along the optical axis: a diaphragm; a first lens with positive refractive power, whose object side is convex; a second lens with negative refractive power, whose object The side surface is concave; the third lens with positive power has a convex surface on the near optical axis; the fourth lens with negative power has a convex surface on the object side; the fifth lens has positive power and its The object side is concave at the near optical axis; the sixth lens with negative refractive power, its object side is concave at the near optical axis; the optical lens meets: 1.85<f / EPD<2.0, 1.35<TTL / ImgH<1.5 ; Wherein, f, EPD and ImgH are respectively the total effective focal length of the optical lens, the diameter of the entrance pupil, half of the diagonal length of the effective pixel area on the imaging surface, and TTL is the distance from the object side of the first lens to the imaging surface on the optical axis distance, so that it has the functions of large aperture, ultra-high pixel, and ultra-thin.

The embodiment of the present invention provides a method for metallographic display of nickel-saving austenitic stainless steel. The nickel-saving austenitic stainless steel sample is made into a metallographic sample by rough grinding, fine grinding, polishing, cleaning and drying; The prepared metallographic sample is the anode, which is fixed with galvanized tweezers and connected to the positive pole of the DC power supply; the aluminum plate is used as the cathode, and the metallographic sample is connected to the negative pole of the DC power supply. The aluminum plates are kept parallel, the polished surface of the metallographic sample faces the aluminum plate, the etchant is used as the conductive solution, the anode and the cathode are immersed in the etchant, and the wires immersed in the etchant are made of metal materials; the power is turned on and the voltage is controlled at 20-30V. The time is controlled at 40-60s, and the corrosion surface of the metallographic sample is silver gray, and the corrosion is over; cut off the power, remove the metallographic sample, rinse it with distilled water, then spray it with alcohol and dry it, and finally use a metallographic microscope Observation of the obtained nickel-saving austenitic stainless steel structure.