104results about How to "Facilitates automatic detection" patented technology

Methods and systems for taking measurements related to subterranean formations. The methods and systems provide robust, reliable first arrival data for component signals of interest, which may be used to estimate formation slowness, characterize formation slowness zones, or act as an input to other processes. The methods and systems are capable of automatically providing good first arrival data based on signals received without any human interaction, and without setting or changing any parameters.

The invention provides a method for identifying faces in videos based on incremental learning of face partitioning visual representations and belongs to the field of pattern recognition. According to the method, an Adaboost algorithm is used for detecting frontal face images in a first frame of the face videos, a Camshift algorithm is used for tracking, all face images are obtained, in the process of reading the face images in the videos, incremental cluttering is carried out on the face images, and a representative image is selected from each kind of face images; the representative images are processed, and a visual dictionary based on the piece visual representations is learnt; the visual dictionary is used for carrying out the representations on the face images; finally, according to similar matrices, the videos composed of the face images are identified. According to the method, an identification rate and robustness of the video faces can be improved under the state that illumination, postures and tracking results are not ideal. The faces in the videos can be detected, tracked and identified effectively, conveniently and automatically.

The invention discloses a method for eliminating error of cylinder screw thread non-contact measurement. The method comprises the following steps: presenting a concept of projection boundary, establishing projection boundary equation, obtaining difference relation of screw thread intersection line and projection boundary and correcting cylinder screw thread parameter. By employing the above method, spatial position relation is formed according to the screw thread projection boundary, the projection boundary equation is creatively established, the difference relation of the screw thread intersection line and the projection boundary is deduced on the former base, and extracted coordinates of points on cylinder screw thread image shot by a CCD camera are repeatedly corrected until the obtaining of cylinder screw thread parameter which satisfies precision requirement. The method is concise, visual, easy to grasp and easy to realize automatic detection. The non-contact detection method can avoid measurement error of high precision cylinder screw thread, and eradicate screw thread product quality problem caused by screw thread non-contact detection error.

The invention discloses a ship wake detection method based on top hat transformation and Radon transformation, and the method comprises the steps: obtaining an original image, processing the originalimage based on the top hat transformation, and obtaining an image with improved contrast; and performing Radon transformation on the image with the improved contrast, extracting a peak point, obtaining wake position information, and marking a wake in the image. The method provided by the invention has a contrast improvement effect on both the bright wake and the dark wake, and the dark line feature of the dark wake can be converted into the bright line feature; radon transformation is carried out on the image with the improved contrast ratio, and a peak point in a Radon transformation domain is highlighted, so that the detection performance of the ship wake is improved; the method can be applied to ship wake detection in Tiangong-2 interferometric three-dimensional imaging microwave altimeter images.

Systems (100) and methods (2800) for operating a hot beverage brewer. The methods include receiving a brew basket of a plurality of interchangeable brew baskets (900, 1400, 1800) within a basket chamber (402) of the hot beverage brewer. At least two of the plurality of interchangeable brew baskets are of different brew basket types and designed to hold different amounts of a beverage substance. Thereafter, the hot beverage brewer: automatically detects the brew basket type associated with the brew basket residing within the basket chamber; selects first operations from a plurality of operations that should be performed by the hot beverage brewer based on the brew basket type which was previously detected; and performs the first operations by the hot beverage brewer.

Device (1) for classifying objects (2), in particular vehicles, on a roadway (3), with a sensor (4), which operates according to the light-section procedure and is directed onto the roadway (3) to detect the surface contour of an object (2), and an evaluation unit (6) connected to the sensor (5) that classifies the object (2) on the basis of the detected surface contour.

This invention relates to a distribution method for cathode figures in an integrated threshold converting thyristor, in which, the cathode comb strips are arranged in a subarea complex mode and arranged in rectangle distribution in the subarea and peripheral distribution among the subareas in different modes and positions and sizes of the comb-strips are allowed to be modified. The complex method includes: the subarea formed by diving a fan area and a loop is an isosceles ladder zone and a basic distribution unit of the comb strips , the fan section is one dividing the round surface into m same areas, when m is rather low, the section is close to a rectangular distribution, when m is high, it approaches to a peripheral distribution, and the loop refers to dividing the round surface into n coaxial loop regions in different areas in terms of positive polygons, the value of which is related to the diameter of the chip and length of the comb strip, the larger the n, the more of the sum of the comb strips, which is good for current.

The invention belongs to the technical field of welding and particularly relates to a welding method for vertical weld beads of high-altitude thick plates. The welding method comprises the following steps: A, splicing the thick plates into double-sided V-shaped grooves; B, backing welding: additionally arranging a pad on the back side of the groove, and then performing front-side single arc welding; and C, filling welding: performing double-sided double arc symmetrical welding on the grooves in the front side and the back side. By means of the method, the defects that an existing welding method for the high-altitude thick plates is complex and low in efficiency are overcome, the production efficiency of high-altitude welding is greatly improved, and the problems that the thick plates are serious in deformation during welding and are difficult to correct after deformation are solved.

The invention provides a colloidal gold immunoassay analyzer, which comprises a device bottom plate for providing installation space; a reagent strip rotating loading unit for automatically loading reagent strips; a sample unit installed on the equipment bottom plate for providing detection sample; a sample loading unit, installed on the bottom plate of the device, for loading the sample to be tested in the sample unit; a reaction disk unit, installed on the bottom plate of the device, for receiving the loading of the reagent strip rotating loading unit The reagent strip and the sample to be detected loaded by the sample loading unit, the sample to be detected reacts with the reagent strip; the detection unit is used to receive and detect the reagent strip reacted by the reaction disk unit. The colloidal gold immune analyzer provided by the invention can realize simultaneous detection of various samples, has various functions, convenient installation of reagent strips, and simple structure.

The invention discloses an intelligent electric fan, and relates to the technical field of a fan. A guide groove is formed inside a support rod; a guide rod is arranged inside the guide groove; an installing groove is formed in the side surface of the guide rod; a ruler is arranged in the installing groove; fan blades and a fan blade rotating mechanism are arranged at the upper end of the guide rod; a protection cover is arranged at the outer side of the fan blades; the protection cover is fixed on a casing of the fan blade rotating mechanism; a far infrared signal receiver is arranged inside an intelligent controller; the far infrared signal receiver is in wireless connection with a remote controller; the far infrared signal receiver is connected with a control chip of the intelligent controller; the control chip is electrically connected with an electric updater and the fan blade rotating mechanism through wires; the left and right ends and the lower end of the outer wall of the protection cover are provided with human body sensors; the three human body sensors are electrically connected with the control chip through signal wires. The intelligent electric fan has the advantages that the automatic detection can be conveniently realized; the regulation is simple, convenient and fast; the time is saved; the efficiency is high.

Architecture that reduces data loss resulting from failover in an asynchronous log shipping deployment, but leveraging mid-tier and frontend servers to fill in lost data. In an asynchronous log shipping operation, a replication component asynchronously replicates messaging data to a backend server in accordance with one or more replication operations, which can be updates to databases on the backend server. These databases can include messaging data, such as email address books, mailboxes, etc. A history component maintains a history of replication operations on a frontend server. In the event of a lossy failover, a replay component is used for replaying the replication operations from the history to the backend server.

The invention discloses a water surface floating object automatic detection method and device for urban river regulation. The method comprises the steps if automatically extracting an image from a water surface monitoring video stream, and enhancing the image based on a self-adaptive contrast ratio; clustering the size of a target detection object in the image to obtain size distribution of a detected target; constructing an improved Faster R-CNN network model, determining a fused feature layer according to the size of a target detection object and the size of a receptive field of each layer of the convolutional neural network model, and fusing features extracted across the feature layers in a splicing mode; determining the size and the length-width ratio of an RPN network anchor frame according to a clustering result, and generating suggested areas of targets of different sizes; and optimizing network model parameters through an iterative method and realizing detection of water floaters. The invention can achieve the automatic recognition and marking of the floaters in the video stream, solves problems that the detection accuracy is low and the generalization capability is poor, can achieve the automatic detection of the floaters, and can be used for the automatic supervision of an actual project, such as an urban river channel.

The present invention relates to the field of electric vehicles and provides a device and a method of detecting a precharge function of a battery pack. The device of detecting the precharge function of the battery pack in the present invention comprises: a test unit and a control unit, wherein the control unit is used for connecting the test unit to two ends of the battery pack, such that the battery pack precharges the test unit; and when the time of completing the precharge is smaller than or equal to a preset value, determining that the precharge function of the battery pack is normal. Thepresent invention can automatically detect the precharge function of the battery pack well.

The invention relates to a disposable multicolor fluorescence combined augmentation reagent kit for 11 SNP gene loci which are related to lung cancer/munity for extracorporeal use, comprising separately packed primer mixture, DNA polymerase, buffer solution, quality control DNA specimen and allele parting normal mixture. Wherein, the primer mixture consists of 11 sharing primers marked by fluorescence and 22 length specificity primers specific to different alleles, the invention particularly consists of 2.0ml of primer mixture (therein gene locus has different primer consistency, 30nM-240nM), 1000u of DNA polymerase, 2.0ml of buffer solution, 1ml of the total amount of allele parting normal mixture, and 0.1ml (10ng/ul) of quality control DNA. Under the condition of best primer mixture ratio, the invention can rapidly and accurately obtain the genotypes of the 11 SNP points related to the lung cancer munity.

The invention discloses a cylindrical capacitance detection mechanism, which comprises a conveyor belt and support plates arranged on both sides of the conveyor belt. A support plate is fixed on the top of the support plate, and a vertical guide plate is formed on the support plate. There is a hinge shaft, and the middle part of the vertical rack plate is inserted and sleeved on the hinge shaft. The two ends of the rack plate are formed with limit posts, and the guide plate is formed with two opposite arc-shaped limit slots. Connected in the arc-shaped limit groove, the rack plate is fixedly connected to the indexing plate, and the indexing plate is plugged into the rotating shaft of the fixed indexing motor. The sleeve is fixed on the rotating shaft of the driving motor; a semicircular positioning through hole is formed in the middle of the bottom surface of the positioning plate, and a number of perforations are formed on the arc-shaped inner wall of the positioning through hole, and a piston rod for driving the cylinder and a piston rod fixed on the piston are arranged in the perforation. Adsorption plate on rod. The invention can realize the positioning of the cylindrical capacitor, thereby facilitating the detection of the electrode column.