185results about How to "Improve contour" patented technology

The invention relates to a fog region driving safety intelligent guiding system and a fog region driving safety intelligent guiding method. The system comprises at least one visibility detector, a plurality of active light emitting induction facilities and a controller; the active light emitting induction facilities are arranged at certain intervals along a road and emit light in different modes under the control of the controller; each visibility detector is used for sending detected visibility information to the controller; and the controller is used for controlling the active light emitting induction facilities to work in the specific modes on the basis of the visibility information. The method comprises the following steps: detecting visibility of a road region; and when the visibility is less than a first threshold value, but more than a second threshold value, starting a first mode to enable the active light emitting induction facilities to flicker under a first frequency, and when the visibility is less than the second threshold value, but more than a third threshold value, starting a second mode to enable the active light emitting induction facilities to flicker under a second frequency. According to the invention, vehicles can be reliably guided to safely run under the condition of low visibility, warning of safety vehicle intervals is provided in real time and serial rear-end collision is effectively prevented.

Through the use of pocket bags that span from the outer seams of certain pants garments to the components of the fastening system that are capable of reversible engagement, an improved silhouette, can be created for a wearer of the garment. Elastic panels that also span from the outer seams to the fastening systems may be included in order to improve further the look that is created.

The invention discloses a remote sensing image cloud detection method based on a convolution nerve network, comprising steps of establishing a training sample set, generating a convolution nerve network classification model, extracting a super-resolution sub-area, generating a cloud probability graph, performing rough detection on a cloud area, and performing fine detection on the cloud area. Through the above arrangement, the remote sensing image cloud detection method can accurately detect the cloud area in the remote sensing image, and, for the remote sensing image having the complex background or the semitransparent cloud, can obtain a better detection result. As a result, the remote sensing image cloud detection method can solve problems of false determination and analysis which are caused by the cloud, and can facilitate the follow-up processing and analysis. The remote sensing image cloud detection method enables the cloud area in the cloud detection result to have a better rim, to have better robustness in a complex environment and can obtain a better detection result.

In an aerofoil profile with variable profile adaptation and rigid rib structure, the aerofoil profile has a flexible rib structure with rib elements, which are arranged in segments and are articulated to one another in the form of a kinematic chain in order to transmit movement, a skin panel capable of sliding on this and also at least one driving means for moving the flexible rib structure.

An expandable liquid barrier having an expandable layer attached to an adhesive layer is disclosed. The barrier provides constant containment without restricting access or creating a hazard in an area. The barrier is generally low profile like a length of tape until contacted by a liquid. Once in contact with a liquid the barrier expands and provides containment of the liquid. One means for expanding the barrier in the presence of liquid is to provide an expandable fill, such as super absorbent polymer, between the layers. Other means for releasing expanding the barrier include using a water-soluble adhesive to hold a resilient expanding layer and providing contracting section which increases the profile of the barrier. The barrier may be used in combination with a switch to enable reaction to the spill.

The invention discloses an anti-aging polypeptide compound. The anti-aging polypeptide compound comprises the following components of, by weight, 20% to 30% of dipeptide diaminobutyroyl benzylamide diacetate, 10% to 30% of palmitoyl tripeptide-5, 5% to 10% of palmitoyl tetrapeptide-7, 5% to 10% of pentapeptide-3, 5% to 10% of hexapeptide-11, 5% to 10% of heptapeptide-6 and 20% to 30% of acetyl octapeptide-3. The sum of the weight percentages of all the components is 100%. The anti-aging polypeptide compound has the good application prospects in the facial mask essence preparation field, the skin can be made compact and smooth, dimness and roughness are avoided, and the skin returns to the young healthy state.

The invention discloses a night effect removal method for a camera-collected video, comprising the following steps of: collecting images of a same scene at daytime under various light conditions to form a set; training samples, creating a dictionary and setting a threshold; carrying out color model processing and denoising for an image collected at night; calculating a background image according to the threshold; successively obtaining the image of every frame of a streaming video collected at night; carrying out the color model processing and denoising to get a foreground image; integrating the foreground image with the background image; and removing the noise and storing integrated images in a new video file until the image of the last frame of the video stream is treated. The night effect removal method for the camera-collected video has simple processes, and high efficiency; is capable of effectively removing night effect of a monitoring video at night for a fixed scene and improving the contours and colors of the objects in the monitoring video, thereby enabling the effect of the whole image to be close to the image at daytime, obtaining detail information of the images easily, and obtaining a video effect close to that at daytime.

The invention herein encompasses methods effective to stimulate epithelial cell proliferation and / or enhance epithelial moisturization and lubrication in a mammalian subject utilizing a composition comprising one or more inhibitors of beta -glucosidase activity or beta -glucocerebrosidase activity. The composition of the method may alternatively comprise a glycosphingolipid, particularly glucocerebroside, or a combination of the above inhibitor(s) and a glycosphingolipid. The method is effective to enhance the cosmetic appearance of skin and promote healing of skin and mucous membranes damaged or deficient from aging, traumatic wounds, photo-aging and a variety of atrophic conditions. The method may be applied to cells in culture. Also included in the invention is a composition comprising one or more inhibitors of beta -glucosidase and a glycosphingolipid useful to stimulate cell proliferation and enhance tissue moisturization and lubrication.

The invention relates to an image defogging method. To solve the problems that city streetscape / traffic monitoring images shot in foggy days are not clear, target objects such as vehicles and pedestrians in the images are not easy to recognize and the like, foggy-day images are integrally enhanced, and then high-frequency information of the images is extracted to strengthen details to finally acquire clear defogged images. The method includes collecting the foggy-day images, performing overall image enhancement on the foggy-day images by the Retinex algorithm, adjusting the details of the images and integrating the images. Tests prove that defogging effect of the Retinex<+> wavelet transform method is better than that of the Retinex algorithm and the Dark Channel algorithm. According to the image defogging method, auxiliary information such as depth information is not needed, and complex methods such as 3D (three-dimensional) modeling are not needed, so that defogging can be realized simply and quickly, and good real-time performance is realized.

The invention provides a method and a device for deblurring an image based on single low resolution, relating to the technical field of image processing. The method for deblurring the image based on single low resolution comprises the following steps of: filtering an image to be processed to obtain a filter image; convoluting the filtered image by means of a Laplace operator to obtain a gradient image; correcting the gradient image based on the gradient difference value of a neighbourhood; and overlapping the image to be processed with the corrected gradient image to obtain a sharpened image.By adopting the method and the device for deblurring the image based on single low resolution of the invention, the noise of a smooth region in the gradient image is reduced and the profile and detail losses of an object are lessened during the sharpening process of the single low-resolution image, so that the visual effect of the image is greatly improved.

A color saturation control unit and method for increasing the color saturation of an image is presented. A scaled saturation enhancement factor calculation unit generates a scaled saturation enhancement factor using a base saturation enhancement factor. A multiplier generates a saturation enhanced U chrominance value and a saturation enhanced V chrominance for the current pixel by multiplying the scaled saturation enhancement factor multiplied with the current chrominance values. The ratio of the saturation enhanced chrominance values should be equal to the ratio of the current chrominance values. A lookup table contains tabled saturation enhancement factors that can be used as the scaled saturation enhancement factor when the base saturation enhancement factor would cause the saturation enhanced U chrominance value or the saturation enhanced V chrominance value to exceed a valid range of chrominance values.

The invention discloses a steel pipe clamping tool which comprises a support and a hydraulic oil cylinder. One end of the hydraulic oil cylinder is connected to the lower portion of the support, two connecting rods are hinged to the other end of the hydraulic oil cylinder, and clamping rods are separately hinged to the other ends of the two connecting rods. One ends of the clamping rods are hinged to the support, and the other ends of the clamping rods are provided with clamping claws. A lower connecting rod is arranged on the support and movably connected with an upper connecting rod through a joint bearing. The top end of the upper connecting rod is provided with a rib plate. A plurality of telescopic oil cylinders are connected between the rib plate and the support. According to the steel pipe clamping tool, by arranging the hydraulic oil cylinder for driving and arranging the connecting rods for transmission, the clamping rods are driven for clamping, and the clamping force is strong; by arranging the arc clamping claws for grabbing a steel pipe, the clamping claws are good in adaptability to the steel pipe in outline and shape and high in closing precision, and the steel pipe is prevented from falling off; and by arranging the telescopic oil cylinders for being matched with the joint bearing in movement, multi-angle grabbing and stacking of a manipulator on the steel pipe are achieved, and accuracy is high.

A manufacturing method of self-aligning contact holes comprises the following steps that: a semiconductor substrate is provided; at least two grid electrodes are arranged on the semiconductor substrate; an etching barrier layer is arranged along the surface of the grid electrodes; a medium layer is formed on the etching barrier layer; the top of the medium layer is higher than the top of the grid electrode; a photoresist contact hole pattern is formed on the medium layer and forms a T-shaped opening in the medium layer through etching; the bottom of the opening is arranged between two grid electrodes; the photoresist is removed; the sidewall and the bottom of the opening are cleaned through a wet method; the etching barrier layer on the sidewall and the bottom of the opening is etched and removed. The method can remove or reduce the disadvantages that in the manufacturing method of self-aligning contact holes, the bottom of the contact hole is not opened and the shoulders of the grid electrodes are cut off.

The invention discloses a high-precision aluminum alloy rectangular tube forming method which comprises the following steps: a) heating the prepared No.6061 aluminum alloy ingot over uniform fire to 415+ / -5 DEG C, and keeping for 1-2 hours; b) performing hot extrusion on an extrusion shunting mould with a preheating temperature of 400 DEG C to obtain an initial tube blank; c) performing annealingtreatment in salt bath; d) performing cold rolling on the tube blank obtained in the step c) to obtain a round tube; e) soaking the round tube obtained in the step d) in a 38# cylinder oil for 24 hours; f) performing non-mandrel drawing on the tube blank obtained in the step e) to obtain an approximately rectangular tube; g) performing mandrel drawing on the approximately rectangular tube obtained in the step f) through a rectangular correction mould to obtain a rectangular tube; and h) performing mandrel drawing of the rectangular tube obtained in the step g) to obtain the finished tube. Through the invention, the size precision and surface quality of the finished tube are improved, the problems that the tube blank is drawn apart in the drawing process and obvious transverse cracks appear at the corner are solved, and the operational performance and service life of the product are remarkably improved.

The invention discloses an image de-noising method based on bidirectional enhanced diffusion filtering, which simplifies a diffusion equation. The method comprises the steps of establishing a bidirectional diffusion coefficient so that a model can implement a bidirectional process of smoothing and sharpening in the diffusion process, enhancing an image in order to further improve the smoothing and sharpening strength, performing wavelet transform to enhance the overall outline of the image and weaken texture details of the image, then adaptively designing and improving a gradient threshold to automatically control the gradient threshold according to the maximum gray value and the iterative times of the image and further retain edge and detail features of the image, finally, simulating the purposed model, and performing simulation verification on the method by using MATLAB software. The method can be used for removing image noise and protecting detail information of edge, texture and the like, greatly improves the peak signal to noise ratio, has more excellent de-noising performance, and has a good application prospect.

An image enhancement unit and method for enhancing the image quality of a video stream is presented. The image enhancement unit combines a contour enhancement unit, a luminance contrast stretching unit, a color transient improvement unit, and a color saturation control unit to enhance both the luminance and chrominance values in the video stream. Specifically, the contour enhancement unit processes the luminance values to improve the contours of the images in the video steam. The luminance contrast stretching unit further improves the luminance by enhancing the contrast in the images. The color transient improvement unit processes the chrominance values to remove blurring around along the edges of color transitions and the color saturation control unit increases the color saturation to improve the appearance of the images.

The invention provides a real-time vision target detection method robust to an ambient light change. The method comprises a step of acquiring a historical image sequence in a video stream, a step of initializing a pixel-level mixed multivariate Gaussian background model, a step of designing a background modeling method of a spherical K-means expectation maximization algorithm and updating parameters of the background model in an online way to adapt to a change of an environment once a new image frame is obtained, a foreground target detection step of using a statistical framework determined bya color space area and calculating a latest image frame and the background model in the statistical framework to obtain a pixel area where a foreground target is located, and a step of weakening detection noise through an iterative Bayesian decision step, wherein a target contour can be enhanced in the process. According to the method, the foreground target position and contour in a visual fieldcan be accurately detected in real time in the visual field, a correct detection rate is high, a false alarm rate is low, the disturbance of a detection result caused by the ambient light change can be resisted, and the method is particularly suitable for an intelligent video surveillance system.

The invention provides a self-powered metro steel rail grinding wagon. A grinding wagon group comprises a hydraulic transmission grinding wagon A1 and a hydraulic transmission grinding wagon A2 which are connected through an automatic car coupler; a steel rail is subjected to coarse grinding through the hydraulic transmission grinding wagon A1; the steel rail is subjected to fine grinding through the hydraulic transmission grinding wagon A2; the hydraulic transmission grinding wagon A1 and the hydraulic transmission grinding wagon A2 are in the same structures; the motion direction of the hydraulic transmission grinding wagon A1 is forward; the motion direction of the hydraulic transmission grinding wagon A2 is backward. The whole grinding wagon group is in a hydraulic transmission mode, each section of a train is self-powered, the rail head surface of the steel rail can be ground by a grinding motor on a grinding device in the low-constant-speed operating process at the speed of 3-15km / h, and the defects such as wave-shaped steel rail abrasion, excess steel rail edges, saddle-type abrasion, welding depression and scale cracks are eliminated, so that the outline of a rail head operating part is improved.

The invention discloses a multi-level optimization design method of a GIS / GIL basin-type insulator with high electrical resistance. The method comprises a preliminary design stage and a detailed design stage. In the preliminary design stage, the basic shape of the GIS / GIL basin-type insulator is constructed by adopting contour shape optimization, the shapes of a convex surface and a concave surface of a basin body are described by utilizing a two-dimensional contour function, dielectric functionally graded material distribution is considered to be introduced, dielectric property space distribution is adjusted by utilizing topological optimization to actively regulate and control electric field distribution, and a creeping electric field is further deeply homogenized; in the detailed designstage, according to a dielectric distribution topological optimization result, the optimized gradient insulation area is converted into a high dielectric area with a constant dielectric constant, thesizes of the high-voltage side metal accessory and the high dielectric area are finely adjusted, an optimal size parameter is found out by adopting a genetic algorithm or an ant colony algorithm so as to finish the design of the basin-type insulator for GIS / GIL. The design space can be fully expanded, depth suppression of a creeping electric field is achieved, and the purpose of increasing the breakdown voltage of the basin-type insulator is achieved.

A composite essential oil for modifying the face shape relates to cosmetics and medical products, in particular to a composite essential oil for modifying the face shape. The composite essential oil comprises the following raw materials in parts by weight: 15-40 parts of cinnamon essential oil, 10-35 parts of basil essential oil, 25-65 parts of cypress essential oil, 20-45 parts of grapefruit essential oil and 1000 parts of carrier oil. The composite essential oil for modifying the face shape can be prepared by the steps of mixing and stirring the raw materials according to the proportion in the formula and then standing. The composite essential oil has the advantages of being capable of rapidly thoroughly eliminating thicker masticatory muscles on the face, removing surplus fat and improving the face contour so as to achieve the purposes of thinning the face and beautifying the skin.

An implantable orthopedic assembly comprises an occipital plate and one or more repositionable clamping assemblies for securing a stabilizing rod to the plate. When unlocked, the clamping assembly may be laterally and rotationally repositioned along a supporting rail. Locking occurs when a stabilizing rod is secured in the clamping assembly. The rod exerts a force upon a locking component, causing the locking component to exert a force upon the supporting rail. This force pulls a surface of the clamping assembly base into contact with the rail, effectively locking the clamping assembly base at a fixed position. The clamping assembly may further comprise a loading component to exert a stabilizing force on the locking component, keeping the clamping assembly positionally stable while adjustments are made prior to locking.

The invention discloses a polarimetric SAR (synthetic aperture radar) image classification method based on pyramid sampling and an SVM (support vector machine) and solves the problem of the prior art that classification precision is low. The polarimetric SAR image classification method includes filtering polarimetric SAR images; extracting the pyramid sampling-based sampling scattering feature of the polarimetric SAR images; extracting a polarizing scattering feature and a wavelet texture feature of the polarimetric SAR images, combing the sampling scattering feature, the polarizing scattering feature and the wavelet texture feature to obtain a combination feature, training a classifier of the SVM with the combination feature; classifying the polarimetric SAR images with the trained classifier, and coloring the polarimetric SAR images classified. The polarimetric SAR image classification method is good in denoising effect, high in image quality and classification precision and applicable to object identification of the polarimetric SAR images.

The invention provides a method and a system for video image strong light suppression and contour and detail enhancement processing. The method comprises the following steps: performing initialization setting, obtaining a video image in an original video through an image sensor in real time, and obtaining a standard curve corresponding to the video image, wherein the standard curve is a relation between light and video output voltage; adjusting the standard curve corresponding to the video image according to a preset target curve, and obtaining a video image after strong light suppression processing, wherein the target curve is a preset output characteristic curve; performing system conversion on the video image to be outputted through a video system converter, and obtaining an outputted video image. According to the method and the system for video image strong light suppression and contour and detail enhancement processing, while the video image is subjected to strong light suppression processing, an area with weak light is subjected to enhancement processing, and the video image is subjected to contour and detail enhancement processing, so that a target can be clearly seen from a strong light position and a weak light position as far as possible.

The invention provides an implant and a method for manufacturing a mandibular implant with PEKK (polyetherketoneketone) supporting and fixing units and a tissue engineering growth unit. The method includes steps: 1) image acquisition and three-dimensional model establishment; 2) molding unit and fixing unit design; 3) supporting unit design; 4) growth unit design; 5) individual composite-structure implant assembly; 6) individual composite-structure implant manufacturing; 7) in-vitro culture. A molding unit, fixing units, supporting units and the growth unit jointly form an individual composite-structure implant, the supporting units, the fixing units and the molding unit are made of PEKK materials and capable of providing sufficient mechanical strength to keep structural integrity from occlusion functional reconstruction, and the growth unit which is an internally degradable stent is capable of guiding new bone generation.

The invention discloses a method for machining a molded line of a scroll plate, and relates to the technical field of mechanical machining. The scroll plate is provided with an end plate and a scroll wall thereon, wherein an annular groove is formed in the periphery of the end plate; and a positioning hole is formed in the lower end face of the end plate. According to the method, a clamp for machining the molded line of the scroll plate is fixedly arranged on a workbench of a vertical machining center; the scroll plate is fixed on the clamp for machining the molded line of the scroll plate by a spring check ring; according to rough machining and semifinishing, a cutter feeding instruction of a cutter is set into fifth-degree step lengths; and according to finish machining, a cutter feeding instruction of the cutter is set into first-degree step lengths. Compared with the prior art, the method has the advantages that the cutter feeding instruction of the cutter is set from large to small, the machining accuracy is improved gradually, and machining equipment and the cutter are used reasonably while the machining accuracy of the molded line is ensured, so that the efficiency of machining the molded line is improved.

Disclosed is a system which employs a cooling or heating pad which is preferably rechargeable with hot or cold temperatures at an intended area of the body. The pad includes a highly temperature-conductive or temperature-retentive material which can be cooled or heated using a portable source of heat or cold material delivered to the pad by a removable delivery conduit. Valves can be included to regulate flow of the cooling or heating material from the source to the pad. The system can also include a dual-chambered canister for containing two different media for heating, cooling or for alternating heating and cooling the pad.