58results about How to "Restore clarity" patented technology

A compressed sensing magnetic resonance imaging reconstruction method relates to image processing. Provided is a compressed sensing magnetic resonance imaging reconstruction method which can improve the subjective visual effect of reconstructed images. The method comprises the following steps: a target function of MRI image reconstruction is constructed under a low-rank matrix formed based on non-local similar blocks; the problem of optimization solution of the target function is transformed into the problem of low-rank matrix de-noising and target function reconstruction solution by a variable replacing method according to the constructed target function; for the problem of low-rank matrix de-noising, the clustered low-rank matrix is decomposed by a singular value decomposition method, and soft threshold processing is carried out on feature values obtained through decomposition to obtain a de-noised low-rank matrix; and the obtained low-rank matrix is substituted into the target function, and a final reconstructed MR image is obtained by a least square algorithm after approximate optimization.

Refinishing an exterior automotive lens having a damaged exterior surface in situ using a continuous movement and oscillating motion, with first, a 320 grit sanding disc, next a 600 grit sanding disc and finally a 1500 grit sanding pad while flushing the surface with water to prevent melting of the surface. Buffing the surface with a polishing compound until a high gloss is achieved. Finally, coating the surface with a transparent ultraviolet hardenable coating material, and hardening it by exposure to an ultraviolet light source. This method is accomplished using an oscillating tool having a remotely located drive.

The invention relates to a fundus optical full-field microangiography imaging device and method. The device comprises a fundus illumination optical path, a fundus imaging optical path, a synchronous triggering source and a data processing system, wherein the fundus illumination optical path and the fundus imaging optical path are synchronously triggered by the synchronous triggering source; the fundus illumination optical path comprises a light source controller, a laser light source, a beam expanding lens, a beam splitter lens and an eye piece objective lens which are sequentially connected; and the fundus imaging optical path comprises an eye piece objective lens, a beam splitter lens, an imaging ocular lens, a lens and a COMS (Complementary Metal Oxide Semiconductor) camera which are sequentially connected. The device and the method have the advantages that the light source gives out laser at the same frequency as the sampling frame rate of the camera; the realization of the fundus microvessel imaging is ensured; and meanwhile, the laser power is reduced, so that the value reaches the range capable of being borne by human eyes. The method and the device can realize the fundus optical full-field microangiography imaging. The method has the advantages that a contrast agent is not needed; the resolution ratio, the signal-to-noise ratio and the detection depth are high; and the fundus blood capillary can be rebuilt.

The invention provides a film-coating process for repairing an automobile lamp, and relates to the technical field of automobile beauty care. For scratches on the surface of a lamp, the repair process flow comprises the following steps: disassembling; grinding the scratches; cleaning; film-coating and spraying; assembling the lamp; and delivering. For lamp damages such as yellowing and crazing, the repair process flow comprise the following steps of: disassembling; washing; surface grinding; cleaning; film-coating and spraying; polishing; secondarily film-coating and spraying; assembling the lamp; and delivering. The repair film-coating process is mainly used for repairing damage such as scratches, yellowing, crazing, surface blur and the like on lamps such as automobile lamps, tail lamps, instrument panels, alarm lamps and the like which are made from polymethyl methacrylate (PMMA), PBT (polybutylene terephthalate), PA (polyamide) and PC (polycarbonate) plastics and organic glass; and the original transparency and definition of the surface can be recovered quickly and effectively after repair and film coating, and after being repaired, the surface can achieve high hardness up to 4H, good oil resistance and high temperature resistance up to over 150 DEG C.

The invention provides a mental state intervening and regulating system based on biologic feedback. The system is characterized by comprising a projection module, an audio playing module, a biologicalsignal collecting module, a mental state evaluating module and a mental state intervening and regulating module for adjusting a scene source file and an audio source file according to the metal stateevaluation result obtained by the mental state evaluation module and feeding back the files to the projection module and the audio playing module. The system monitors and analyzes the mental state ofa testee when the testee is stimulated, the stimulation content and strength are regulated according to the mental state, and therefore the emotion of the testee is affected, the mental state is intervened and regulated, the system is easy and convenient to use, and the system has the good real-time performance and high efficiency. The invention further provides a working method of the mental state intervening and regulating system. The working method is easy and convenient to implement, and the good real-time performance of mental state regulation is achieved.

A cutter blade sharpener and method allows for quick, easy and uniform sharpening of tree felling head circular cutters. Each cutter blade is individually removed from the circular cutter and is positioned on the sharpener, one at a time whereby the cutter blades are then ground in uniform fashion. The sharpener includes a tubular frame having a slide table mounted thereon for both lateral and longitudinal movement of the cutter blade proximate the grinding wheel.

The invention discloses a video quality optimizing method. The method comprises the steps that when video frame jamming time of a first client exceeds first preset time, the first client sends a code rate reducing instruction to a second client, so that the second client returns response according to the code rate reducing instruction; when the response returned by the second client is received, whether the present network is in an unblocked state is determined according to a preset algorithm; and when the present network is in the unblocked state, a code rate recovering instruction is sent to a second client, so that the second client transmits video data to the first client according to the code rate in the unblocked state. The invention also discloses a video quality optimizing device. When jamming occurs in the present video frame, the sharpness of the video frame is reduced to prevent serious frame jamming, and user experience is improved.

The invention discloses a drilling assistant tool applied to a hanging bar installation procedure. The drilling assistant tool comprises a conical barrel I, a conical barrel II, a conical barrel III and a sleeve, wherein the small-diameter section of the conical barrel III is connected with the upper end face of the sleeve; a first annular cavity is arranged on a main body of the conical barrel III; a plurality of springs II are arranged on the bottom part of the first annular cavity; an extending section is arranged on the end face of the conical barrel II along a circumferential direction of the small-diameter section of the conical barrel II; a through hole is formed in the first annular cavity; the lower section of the extending section movably penetrates through the through hole so as to be connected with the plurality of springs II; a second annular cavity is arranged on a main body of the conical barrel II; a plurality of springs I are arranged on the bottom part of the second annular cavity; an annular hole is formed in the second annular cavity; the small-diameter section of the conical barrel I movably penetrates through the annular hole so as to be connected with the plurality of springs I. According to the drilling assistant tool applied to the hanging bar installation procedure provided by the invention, operating personnel can conveniently observe an installation hole drilling progress in real time, concrete dust produced due to drilling is prevented from interfering sights of the operating personnel, and the occurrence of accidents caused by dust splash is prevented.

The invention discloses a starlight-level road monitoring zoom lens which comprises a main lens barrel (3), and is characterized in that a front lens barrel (1), a diaphragm adjusting mechanism and a rear lens barrel (2) are arranged in the main lens barrel (3) in sequence along the incident direction of light rays, wherein a first lens (C1), a second lens (C2), a third lens (C3), a fourth lens (C4) and a fifth lens (C5) are arranged in the front lens barrel (1) in sequence along the incident direction of the light rays. The starlight-level road monitoring zoom lens adopts an ultra-large diaphragm technology to make the diaphragm value reach F2.0; furthermore, by the adoption of a multilayer broad-band film coating technology and an ultra-low dispersion optical glass technology, the lens effectively increases the light transmittance rate and relieves phenomena such as glaring and ghosting easily caused by a common lens; and in the aspect of appearance, the lens adopts a full-metal body, so that a metal shell achieves extremely good pressure bearing and protection effects on the lens.

An image blind motion deblurring method based on a CNN-Transform hybrid auto-encoder comprises two stages, namely a model training stage and a prediction stage, and the model training stage comprises the following steps: 1, preparing an image deblurring standard data set; 2, preprocessing experimental data; 3, inputting a blurred picture in a training set of the image deblurring standard data set into a hybrid auto-encoder part for recovery; 4, inputting the potential clear image generated by the hybrid auto-encoder and the corresponding target clear image in the standard data set into a discriminator, and returning the gradient after calculating the loss by the discriminator; and 5, receiving the gradient from the discriminator by the hybrid auto-encoder to perform parameter updating, wherein the model prediction stage comprises a step of inputting a blurred picture into a trained hybrid auto-encoder, and outputting the blurred picture as a deblurred clear picture. By using the method, a better image deblurring effect can be obtained, and image details can be recovered more clearly.

A hand-held dental mirror carrying a sharpening stone for a dental instrument such as a curette, comprising a shaft supporting a mirror, a hand grip coupled to the shaft, and a sharpening stone coupled to the shaft.

The invention relates to the technical field of automobile accessories, in particular to a rearview mirror assembled on an automobile. The rearview mirror comprises a rearview mirror shell and a lens which is assembled in the rearview mirror shell, wherein a fan is arranged in the rearview mirror shell; the inner wall of the upper part of the rearview mirror shell is provided with a plurality of air ducts extending to the front surface of the lens; the air ducts comprise a first air duct which is communicated in the rearview mirror shell and a second air duct which is communicated with the first air duct and is arranged obliquely. When water is sprayed onto the lens, the fan is started, and air generated by the fan enters a second channel through a first channel and is directly blown onto the front surface of the lens in order to clear water on the lens, so that clearness of the surface of the lens is recovered, the road condition behind a vehicle can be observed conveniently, and the driving safety is enhanced.

The invention relates to the technical field of display device preparation and discloses a mask plate, a substrate and a display device. The mask plate is applied to display device preparation and comprises a panel, wherein a plurality of openings corresponding to pixel units on the display device in a one-to-one mode are formed in the panel, and every two adjacent edges in a corner of each opening are in smooth transition. When the mask plate is matched with a high-resolution exposure machine to perform picture composition, a pattern of the mask plate can be more clearly and accurately restored; furthermore, two adjacent edges at a corner of an opening area of the pattern are in smooth transition, so that electric charges are not prone to being gathered, and washing of residual charged particles is facilitated; thus, the display device prepared from the mask plate disclosed by the invention has an effect of improving residual images.

The invention provides an automatic heating anti-fogging door and window used in winter and relates to the field of anti-fogging technologies. The automatic heating anti-fogging door and window used in winter comprises a window frame, outer-side glass, middle-layer glass, a seal gasket, inner-side glass, an air filtering mechanism, a cleaning mechanism, an air transport mechanism, a control device, a temperature sensing device, a cover plate, connecting rods, fixing rods, a circular channel, a guide pipe, a water outlet and heating sheets, wherein the outer-side glass is arranged in the middleof the window frame; the middle-layer glass is arranged behind the outer-side glass and fixedly connected to outer-layer glass by the seal gasket; the air filtering mechanism is arranged at the top end of the interior of the window frame; the air transport mechanism is arranged on the left side and the right side of the interior of the window frame; the cleaning mechanism is arranged in the middle close to the upper end of the window frame; and the water outlet is formed in the bottom end of the front side of the window frame. By heating the glass, and discharging external air that is dried and filtered, the saturability of moisture in air around the door and window is reduced. By cleaning the outer surface of the outer-side glass by the cleaning mechanism, the problem that the vision ofpeople is adversely affected by the fogged door and window in winter is effectively solved.

The invention relates to digital image equipment acquired by a camera and a filtering method thereof. The digital image equipment comprises a shell, an infrared illuminating lamp, light-transmitting glass, a switchable double-filtering lens, an intelligent camera module with a light spot detection function, a lens and a photosensitive switch; when the camera detects that a light spot reaches a setvalue, the infrared lamp is turned on, and meanwhile, a visible light cut-off filtering lens is switched to filter out or attenuate the light spot to be very small; and if the photosensitive switch detects that the illumination environment is good, the infrared lamp is turned off, and meanwhile, the filtering lens is switched back to an infrared light cut-off filtering lens, so that color restoration acquisition of a video is realized. According to the invention, no spotlight interference exists, the camera can well restore the on-site color video effect, a mine lamp filtering device can be automatically detected and started under the condition of interference of a mine lamp and the like, interference of search lighting type light of the mine lamp and the like on the camera is removed, the problems of halo, blindness and the like caused by interference of the mine lamp on the camera are solved, and the video quality and the video recognition accuracy are improved.

The invention discloses a stage feedback loudspeaker box. The stage feedback loudspeaker box comprises a box body, wherein the contour of the cross section of the box body is shaped like a right trapezoid; two mid-range loudspeakers and two coaxial loudspeakers are arranged on an inclined panel of the box body; a sound amplifying module is arranged on a vertical back plate; the inclination angle of the inclined panel is between 40 degrees and 50 degrees; the width of a top flat plate is between 3cm and 30cm. The stage feedback loudspeaker box provided by the invention has the advantages that the box body adopts an irregular structural design, so that standing waves in the box body can be reduced, and the tone is cleaner; with the top flat plate, a singer can conveniently sit or place his/her feet on the box body, so that the interactivity with the audience is effectively enhanced; the inclined panel is arranged at an angle of 40 degrees to 50 degrees, so as to effectively ensure that the sound axis can be directly oriented to the ears of the singer, and achieve good radiation effects; the two coaxial loudspeakers and the two mid-range loudspeakers not only achieve a large volume, good layering effects and high appealingness, but also achieve an ampler frequency allocation of the loudspeaker box, smooth cohesion among high-frequency tones, middle-frequency tones and low-frequency tones, and a wide sound field, so that the overall tone quality is improved.

A resinoid grindstone including a main body having an abrasive structure in which abrasive agglomerates are held together by a resin bond. Each of the abrasive agglomerates includes abrasive grains which are held together by an inorganic bond. The resin bond includes a filler such that a ratio of a strength of the abrasive agglomerates to a strength of the resin bond is not higher than 1.5. A ratio of a total weight of the abrasive agglomerates included in the abrasive structure, to a weight of the abrasive structure is not lower than 10% and is not higher than 40%.

The invention provides a rear optical set for a star-grade road monitoring zoom camera lens. The rear optical set is characterized by comprising a sixth lens (C6), a seventh lens (C7), an eighth lens (C8), a ninth lens (C9), a tenth lens (C10) and an eleventh lens (C11) in sequence along the light incidence direction. The star-grade road monitoring zoom camera lens, which adopts the rear optical set provided by the invention, adopts an oversized aperture technology and an aperture value reaches F2.0; furthermore, the camera lens adopts a multilayered broad width film plating technology and an ultralow chromatic dispersion optical glass technology so that the light transmission rate is effectively improved, and glaring, ghost image and other phenomena, which easily occur in a common camera lens, are alleviated; and in aspect of appearance, the camera lens is a whole metal body, and the metal shell also has very good compression-resisting and protection effects on the camera lens.

The invention provides a diaphragm adjusting mechanism for a star-grade road monitoring zoom camera lens. The diaphragm adjusting mechanism comprises a diaphragm piece (17), a cam plate (16) and a diaphragm seat (9), wherein the cam plate (16) is in rotatable connection with the diaphragm seat (9); the diaphragm piece (17) is connected with the cam plate (6) through a movable groove; the diaphragm piece (17) is in a crescent shape; a diaphragm guide screw (170) is arranged at each of the two ends of the diaphragm piece (17); and the two diaphragm guide screws (170) are arranged on two side surfaces of the diaphragm piece (17) respectively and protrude outwards. The star-grade road monitoring zoom camera lens adopting the diaphragm adjusting mechanism utilizes an oversized aperture technology and an aperture value reaches F2.0; furthermore, the camera lens adopts a multilayered broad width film plating technology and an ultralow chromatic dispersion optical glass technology so that the light transmission rate is effectively improved, and glaring, ghost image and other phenomena, which easily occur in a common camera lens, are alleviated; and the camera lens has advantages in aspect of appearance.

The invention provides a front-mounted lens online intelligent self-cleaning device based on lens fuzzy detection. A high-temperature industrial endoscope comprises an outer shell assembly and a lens assembly, the outer shell assembly comprises an outer shell, an inner shell and an image taking probe connected with the opening end of the outer shell, and the lens assembly comprises a front-mounted lens and multiple optical lenses, and a light through hole is formed in the top of the image taking probe. The online intelligent self-cleaning device comprises a lens fuzzy detection module and an intelligent cleaning assembly. The intelligent cleaning assembly is used for carrying out dust cleaning and air-cooling blow-drying on the front-mounted lens. The invention further provides a front-mounted lens online intelligent self-cleaning method based on lens fuzzy detection. According to the device and the method, fuzzy detection and intelligent cleaning to the front-mounted lens of the industrial endoscope can be realized, and the problems that in the prior art, fuzzy detection cannot be carried out on the lens, lens dust cannot be effectively removed, and the problem that the lens is gradually fuzzy cannot be solved are solved.