171results about How to "Desaturation" patented technology

The invention discloses an image saturation processing method based on the depth of field, which is used to process scene data collected by an imaging device. The scene data includes a main scene image. The processing method comprises the following steps: processing scene data to judge whether there is a human image in the scene; if there is a human image in the scene, processing the scene data to identify a human image area; and processing a main scene image to reduce the saturation of the human image area. In addition, the invention discloses a processing device and an electronic device. According to the image saturation processing method, the processing device and the electronic device, if there is a human image area in a shot scene, the human image area is identified, and the saturation of the human image area is reduced. The saturation of the human image area is processed separately. The reduction in saturation of the human image area is conducive to the color performance of the human image area and a better image effect.

The invention discloses a traffic flow capacity increasing control method for a comprehensive waiting area at a road intersection, comprising the following steps: S1, adding a comprehensive waiting area, setting a primary stopping line and a secondary stopping line at the end of the comprehensive waiting area, and setting the distance between the primary stopping line and the secondary stopping line as the length of the comprehensive waiting area; and S2, adding a variable information board, pre-signal lamps and an induction coil buried under the road surface to the medial strip of the road opposite the comprehensive waiting area, wherein the pre-signal lamps include a pre-signal red lamp and a pre-signal green lamp, and the pre-signal red lamp goes on 10-12 seconds earlier than an original go-straight or turn-left traffic signal green lamp at the intersection. By adopting the method of the invention, the traffic capacity of the intersection is improved greatly, and the space resources of the intersection are prevented from lying idle.

The invention relates to a method for removing olefins from reformate through liquid phase circulation selective hydrogenation. The method is characterized in that performing hydrogen saturation in a pipeline to form a raw material/hydrogenation product/hydrogen liquid phase mixture, and adding the liquid phase mixture to a multistage conventional hydrogenation reactor in sections under the hydrogenation condition; and entering a catalyst bed area in sections for reaction, wherein part of reaction products discharged from the bottom of the reactor circulate and are mixed with fresh raw materials, and part of reaction products discharged from the reaction system enter a follow-up separating device, the ratio of the circulation volume and the raw materials in the circulating liquid hydrogenation products is 1: (1-5): 1 by volume, the hydrogenation process conditions include that the reaction temperature is 80-180 DEG C, the pressure is 1.5-2.0MPa, and the fresh feed volume space velocity is 2.0-4.0hr-1.

The invention relates to a cooling tower supporting facility, in particular to a cooling tower fog dispersal and water collection device which consists of cool air supply systems, a condensing system, a mixed air bellow and an air intake regulating device. Each cool air supply system consists of a refrigerator, a refrigeration exchanger, an axial flow fan, a variable-diameter air duct and an air collection box. The condensing system is composed of cool air passages, cool air passage partitions, water collection and air guide blades, dry and hot air discharge holes, heat exchange and condensation partitions, damp and hot saturated gas passages, water distribution and collection tanks, a water collection tank and a water tank. The air intake regulating device is composed of a planar plugging plate, a support, a hinge shaft, air outtake regulating plates, a regulating rod and regulating nuts. All the above components are combined to form the cooling tower fog dispersal and water collection device. The requirements on technical difficulty in fog dispersal and water collection under air temperature conditions in different seasons and at air pressure values in different-altitude regions are met, unnecessary waste of a single power supply mode is avoided, production and use cost are lowered, and requirements of environmental protection policies for fog dispersal and water collection and energy conservation and emission reduction under the new situations are met.

The invention discloses a parameter estimation and tracking control method based on a turntable servo system, and belongs to the technical field of parameter identification and electromechanical control. The method comprises analyzing the turntable servo system containing unknown parameters, establishing a mathematical model of the turntable servo system containing unknown parameters according to a mechanism modeling method; updating an adaptive rate by a filtering theory, introducing a performance index function with a forgetting factor, and designing a variable-gain adaptive rate to achieve optimal adaptive parameter estimation by optimizing the performance index function; and achieving position tracking control by using the controller of a sliding-mode control design system using a super-twisting algorithm. The method can achieve the parameter estimation and tracking control of a system and has advantages of (1) reducing a system parameter estimation overshoot and accelerating the convergence of parameter estimation; (2) ensuring that a tracking error converges to zero within finite time; being not required to obtain the derivative information of a sliding-mode variable or not requiring a continuous control law of the sliding mode; eliminating chattering and improving the robustness of the controller.

The invention discloses a display energy-saving method, apparatus and display. The method includes the following steps: receiving a command for changing to an energy-saving mode; adjusting the color gamut of an input image to obtain an output image for display, wherein the output image has a selected fundamental color which has a color coordinate, the corresponding component of the color coordinate is smaller than the component corresponding to the color coordinate of the selected fundamental color of an input image, and the brightness of the selected fundamental color of the output image is smaller than or equal to that of the selected fundamental color of the input image; the light emission efficiency of the sub-pixels of the selected fundamental color of the display is the lowest. The invention discloses a display energy-saving method, apparatus and a display. According to the invention, the method, the apparatus and the display can reduce power consumption of the sub-pixels of theselected fundamental color that is most power-consuming and achieve energy consumption.

The invention discloses a target detection-oriented physical attack adversarial patch generation method. The method comprises the following steps of: (1) generating a rectangular adversarial patch with random pixel values; (2) carrying out robustness processing on the adversarial patch; (3) initializing a mask matrix; (4) applying the adversarial patch to a training set; (5) extracting real category confidence from a result; (6) designing a loss function and calculating loss; (7) calculating the gradient, then updating the adversarial patch, and circulating the step 2 to the step 7 until the maximum number of iterations is reached or the attack success rate reaches a threshold value; (8) printing the patch, and carrying out physical environment testing. The invention further comprises a target detection-oriented physical attack adversarial patch generation system, which consists of an adversarial patch application module, a target detection module, a loss calculation module and an adversarial patch updating module. According to the invention, the patch shape can be self-defined, the gradient is solved according to a designed loss function, the adversarial patch is updated, and finally a physical environment test is performed.

The invention discloses a novel color saturation adjusting method and system and a mobile terminal. The method comprises the following steps that the camera of the mobile terminal is started, and a YUV format image is outputted through normal exposure; the YUV format image is divided into N*N region blocks, and average brightness Y of each region block is calculated; high-brightness regions and low-brightness regions of the image are judged according to the size of the average brightness Y value of each region block; and color saturation of the image is adjusted, relatively high saturation is applied to the high-brightness regions so as to guarantee bright color of the high-brightness regions, and relatively low saturation is applied to the low-brightness regions so as to suppress color noise. Color saturation is adjusted on the basis of regions according to region brightness so that high saturation and bright color of the high-brightness regions can be guaranteed and the low-brightness regions have low saturation and color noise can be suppressed, the requirements of clients for the quality of images photographed by the mobile terminal can be met and better experience can be given to the clients.

The invention discloses an oil-water ultralow-interface-tension alkaline-free oil-displacing agent and an alkaline-free chemical composite oil-displacing agent prepared therewith and used in tertiary oil recovery. The oil-water ultralow-interface-tension alkaline-free oil-displacing agent is prepared by mixing the following components, by mass, 15-30% of a glycine betaine-type ampholytic surfactant, 5-20% of a fatty alcohol ether derivative-type anionic surfactant and the balanced being deionized water. The glycine betaine-type ampholytic surfactant includes one or two from a long-chain alkyl amide carboxyl glycine betaine RCONH(CH2)3N<+>(CH3)2CH2COONa and a long-chain alkyl amide hydroxysulfobetaine RCONH(CH2)3N<+>(CH3)2CH2CH(OH)CH2SO3Na, wherein R is an alkyl group being 15-22 in carbon number and preferably is an alkyl group being 20-22 in carbon number.

The invention discloses an oil pipe transmission drive underground pulse generation device and an injection method, and belongs to the technical field of oil field development engineering. The devicemainly comprises an oil pipe, an oil pipe anchoring device, hydraulic pulse generators and an inverse well-flushing valve. Fluid is subjected to energy storage and pressure rise in the hydraulic pulsegenerators, according to a certain frequency, high-pressure fluid is sprayed out in a pulse manner, and the pulse generation device is different from a conventional hydraulic piston type generation device or electromagnetic device. The injection method comprises the steps that an injection well is selected; the pulse generation device is arranged to start pressure value and pulse frequency, and the number of hydraulic pulse generators is arranged; the oil pipe and an underground tool are mounted; pulse waves are adopted for injection oil displacement; and well backflushing is carried out. Mounting is convenient, the process is simple, the device is suitable for injection of a straight well, an inclined well, a directional well and a horizontal well, the hydraulic pulse device is used forproviding a pulse wave with the stable frequency for the underground oil layer, the residual oil is reduced while the permeability nearby the well bottom is improved, and the crude oil recovery efficiency is greatly improved.

The invention discloses an energy-saving annealing furnace which comprises a furnace body, the furnace body comprises a thermal insulating wall and a furnace door, the thermal insulating wall comprises an external wall board, an internal wall board and thermal insulating cotton filled between the external wall board and the internal wall board, and the furnace door is mounted on the thermal insulating wall through a lifting device. The energy-saving annealing furnace further comprises a circulation heating system, the thermal insulating wall also comprises a thermal-insulating aluminum foil, a plurality of screw rods and a plurality of nuts, the circulation heating system comprises a heating fan, a hot air pipe, an air return pipe, a negative pressure fan and a negative pressure air pipe, and the thermal insulating cotton comprises a first thermal insulating cotton layer and a second thermal insulating layer. The energy-saving annealing furnace has the advantages of simple structure, convenience in operation, good energy-saving effect, safety and reliability in use and longer service life.

A thickener comprises a housing and an inner cone, the inner cone is connected to the lower side of the housing, the upper end of the housing is provided with an end cap, the housing is internally provided with a flow guide cylinder, one end of the flow guide cylinder is connected with the end cap through a fixed plate, the other end of the flow guide cylinder extends to the middle of the housing, the upper side of the end cap is provided with a stirring device, the stirring device comprises a gear motor, a stirring shaft and a frame-type stirring head, the gear motor is fixedly arranged on the upper end of the end cap through a motor seat, a motor shaft of the gear motor is connected with the stirring shaft by a coupling, the stirring shaft passes through the flow guide cylinder and is arranged in the inner cone, the frame-type stirring head and the stirring shaft are removably connected, a feed tube is fixedly arranged on the end cap, the feed tube is connected with the upper side wall of the flow guide cylinder, both sides of the upper end of the flow guide cylinder are provided with overflow ports, one side of the upper end of the housing is provided with a liquid outlet, the side wall of the inner cone is provided with a discharge opening, one end of the discharge opening is provided with a blower tube, the blower tube is externally connected with an air blower, and the outer side wall of the inner cone is provided with a cooling device.

The invention discloses an offshore natural gas hydrate row-type horizontal well mining method and belongs to the technical field of natural gas hydrate mining. The method includes the steps that in combination with geological data, a row-type horizontal well network is arranged for a target reservoir; matched well-completion operation is performed; after well completion is finished, depressurizing mining is performed through horizontal wells till no economic benefit exists; after depressurizing mining is finished, fracturing operation is performed on the horizontal wells; then a ground supplysystem and an underground water injection system are arranged at the water injection wells; and displacement water is injected into the natural gas hydrate reservoir through the water injection wells, and natural gas and formation water are collected from the producing wells. The offshore natural gas hydrate row-type horizontal well mining method is suitable for the reservoir which is poor in communication property, rich in storage and low in natural gas hydrate saturability, the reservoir is developed by injecting surface seawater and additives, the surface seawater has certain temperature,natural gas hydrate decomposing can be promoted, then the optimal mining of the natural gas hydrate reservoir is achieved, the gas mining efficiency is improved, the cost is low, and the economic benefits can be improved.

The present invention provides a video smoke event intelligent detection method based on a bionic color sensing model. According to the method, a user selects a source video and uses a video smoke event intelligent detection method based on a bionic color sensing model to carry out smoke detection on the video, the alarming is carried out when smoke is detected and the frame of picture of the video is stored into a specified path, at the same time the specific time point of detecting the smoke is recorded in the video, and the recording information is stored in a text file format after the detection is completed. The method is different from a traditional sensor fire alarming method and is not limited by space height, thermal barrier, explosion, toxicity and other environmental conditions, the timely alarming can be carried out in a short time that the smoke appears in the video, and the method is suitable for multiple outdoor video scenes of forests, fields and the like.

The invention provides an oil reservoir three-dimensional gas injection method and a well pattern structure. The oil reservoir three-dimensional gas injection method comprises steps of simultaneously injecting gas to the top portion and the lower portion of an oil reservoir, wherein gas-injection wells for the lower portion of the oil reservoir are a part of watered-out wells which are arranged at the lower portion of the oil reservoir 1-2 years ago before gas injection. The invention also provides the oil reservoir three-dimensional gas injection well pattern structure comprising multiple horizontal production wells and multiple horizontal gas injection wells. The horizontal wells in adjacent rows in the same plane are arranged in a staggered manner, and the horizontal wells in the adjacent layers in the vertical view are also arranged in a staggered manner, so that the three-dimensional gas injection well pattern structure in which the horizontal wells are arranged in a staggered manner in the plane and vertical views is formed. The oil reservoir three-dimensional gas injection method and the well pattern structure can effectively improve the oil extraction efficiency.