64results about How to "Work around application limitations" patented technology

The invention discloses a color image segmentation method, which comprises the following steps: processing an image to be segmented into a gray image; extracting a region profile map from the gray image by an Otsu threshold segmentation method, and determining an optimal threshold; taking the optimal threshold as a high threshold of a Canny operator, and extracting an edge map from the gray image by utilizing the Canny operator; and fusing the area profile map and the edge map, and outputting a segmentation result of a color image. The method adopts an operator threshold determining scheme combined with an adaptive strategy and an empirical value and overcomes the defect that an empirical value selecting method has application limitation; the local change intensity of a gray value is obtained through edge detection, so that over-segmentation of avoidable areas is limited; and residual edges are complemented through region segmentation, so that profiles of images after the segmentation are more clear and complete.

The invention discloses a control method, device and system for a vehicle-mounted system and a terminal. The method comprises the following steps that a first decoder receives a switching request signal which is triggered by a user through a man-machine interaction component of the vehicle-mounted system; the switching request signal is decoded into a corresponding switching request instruction which comprises an identification of a channel to be switched and an identification of the vehicle-mounted system; the switching request instruction is sent to a second decoder, so that the second decoder obtains an image sent by the terminal which is connected with the channel to be switched according to the identification of the channel to be switched in the switching request instruction; according to the identification of the vehicle-mounted system, an image format which is supported by the vehicle-mounted system is obtained; the image format of the image sent by the terminal is decoded into the image format supported by the vehicle-mounted system; and the decoded image is sent to the vehicle-mounted system to be displayed on a vehicle-mounted screen. The problems of low compatibility and application limitations existing in the existing vehicle-mounted system are solved.

The present invention is applicable to the field of computers, and provides an intelligent voice dialogue method and apparatus, so as to solve the problems that application scenarios of intelligent voice dialogues are limited and that answers have no relation to questions in the prior art. The method comprises: receiving a question put forward by a questioner; extracting a keyword of the question; according to the keyword, searching a local question-and-answer system for an application scenario corresponding to the keyword and determining a question-and-answer attribute of the question; searching the application scenario for an answer according to the question-and-answer attribute, and when the question-and-answer attribute is a logical order, searching ordered questions and answers according to the order, and when the question-and-answer attribute is an illogical order, searching unordered questions and answers according to categories; and according to a search result and in combination with an external environment parameter, giving an answer that simulates a real emotional communication of humans and that is to the question. The technical scheme of the present invention implements a combination of intelligence and pseudo-intelligence, and enables intelligent voice dialogues to be more intelligent and personalized.

This invention relates to smoke desulfuration absorptive tower or slurry intensity test method, which set multiple pressure measurement devices with its any measurement device point open position at low level and with remaining positions unchanged to avoid first mixture device and second mixture device fixing position to get slurry intensity according to high difference through formula of difference value equals to intensity times pressure mouth vertical height times weight acceleration to get slurry intensity.

The invention provides a video coding and decoding method and device. The method provided by the invention comprises the following steps: 1, receiving a feedback real time control protocol (RTCP) message packet; 2, acquiring a packet loss ratio; 3, computing reference frames: firstly, dividing P frames into P* frames and P' frames: (a) enabling each P' frame to select a P frame which is in front of the P' frame and in the same group of pictures (GOP) as a reference frame; and and (b) computing all P* frames and corresponding reference frames of the P* frames in one GOP according to the preset cross rules corresponding to different packet loss ratios, wherein the cross rules meet the following promise: the cross degree is increased with the increase of the packet loss ratio; 4, coding according to the acquired reference frames; and 5, outputting and displaying after decoding, and feeding back the RTCP message packet. The method and the device provided by the invention can dynamically select the reference frames of the P frames, have no need of always using the previous P frame as a reference frame, and can improve the fluency and the quality of videos as much as possible under the unstable network condition.

The invention discloses a reservoir bank water level change and slope angle variable landslide model test device and method under an earthquake and rainfall coupling effect, and belongs to the field of slope engineering landslide disaster tests. The device comprises a model box, a rainfall system, an electric lifting system and a deformation monitoring system. The model box comprises a bottom plate, front, back, left and right side plates and an internal permeable plate. The rainfall system comprises a water storage tank, a water pump, a water supply main pipe, an electronic control main valve, a flowmeter, a nozzle, a rainfall system bracket and a jack. The electric lifting system comprises a servo motor, a bearing and a belt. The deformation monitoring system comprises a three-dimensional laser scanner. The method comprises: jacking the rainfall system support to a proper height, filling the model box with soil, then lifting the model box to a designated angle, simulating the rainfall working condition, starting the vibration table, and monitoring slope deformation through the three-dimensional laser scanner in the testing process. Simulation of various rainfall working conditions is achieved, the landslide model is adjusted at any angle, and landslide tests with different inclination angles are achieved.

The invention provides a concrete electric pole arrangement device. Two cross beams are arranged; each cross beam is supported and fixed by two support poles; the lower end of each support pole is provided with two support legs; the lower end of each support leg is connected with an adjustable land spike; the two cross beams are provided with horizontally bearing lifting pulleys; a lifting pole is lifted by the horizontal bearing lifting pulleys below the cross beams, and is provided with two longitudinal bearing lifting pulleys; the lower end of each longitudinal bearing lifting pulley is connected with a lever block; a steel wire rope below each lever block is connected with an electric pole claw. The device lifts the whole electric rods to the appropriate height, and adjusts the electric poles to move vertically, left and right and back and forth, so that the two electric poles are aligned tightly and welded; the problems that in the prior art, the labor and time are wasted, the application is limited, and the safety is poor, urban roads, environmental afforestation or farmland crops are damaged, and the like are solved; the concrete electric pole arrangement device can be applied to the pole arrangement for different construction fields, and is especially suitable for the hillside pole arrangement construction.

The embodiment of the invention provides an information processing method and device. The method includes the steps that multiple sample texts are obtained; the sample texts are subjected to word segmentation, and multiple words of the sample texts are obtained; word vectors corresponding to the sample texts respectively are determined according to the words of the sample texts; the word vectors corresponding to the sample texts respectively are classified, and a training set and a testing set are obtained; a to-be-tested classifier is obtained according to the training set; the to-be-tested classifier is tested according to the testing set, and a target classifier is obtained; target texts are classified according to the target classifier. The method is used for classifying the target texts, and the limitation of application scenes in the prior art is overcome.

The invention discloses a triggering method based on an I2S signal and an oscilloscope. The triggering method comprises the steps of performing time sequence alignment on various data in the I2S signal to obtain an alignment signal, wherein the I2S signal comprises frame synchronization data, clock data and audio data; extracting the alignment signal according to preset frame configuration information to obtain a plurality of data fragments related to the audio data in the alignment signal; and forming triggering data according to the data fragments, and generating a triggering signal by utilizing the triggering data to perform triggering. According to the triggering method, the triggering signal is generated according to the I2S signal, so that a triggering event occurs after external triggering, the application limitation that the conventional oscilloscope cannot perform real-time triggering by utilizing the I2S signal is overcome, the triggering function of the oscilloscope is expanded, and an engineer can be helped to quickly analyze problems at multiple angles.

The invention discloses a reference voltage source with positive temperature coefficient current compensation. A positive temperature coefficient current compensation circuit is added at the output end of the reference voltage source, and two NPN tubes Q8 and Q9 and corresponding resistors R7 and R8 are used to generate the temperature coefficient Different two groups of positive temperature coefficient currents are superimposed to optimize the temperature change rate of the current. The invention solves the application limitation of the traditional bandgap reference, changes the limitation that the traditional first-order bandgap reference can only generate negative temperature coefficient in the high temperature range, and relies on the positive temperature coefficient of the reference in the full temperature range to provide high-current power switching power supply. A simple structure, low cost, stable and reliable output voltage compensation scheme is proposed.

The invention discloses an automatic gain control method for a multichannel signed N-digit digital signal expressed by two's complement. The method comprises the following steps of: converting each signed N-digit digital signal into a corresponding absolute value signal; performing bit orient exclusive disjunction on the absolute value signal so as to obtain an or signal; generating a corresponding locking index signal for a specified position of the or signal; controlling a plurality of cascaded multiplexers by using the locking index signal; acquiring a signal S of an output end of the lastmultiplexer; and shifting each signed N-digit digital signal leftwards according to the signal S and outputting the signal. The method of the invention can be used for measuring a beam position and has the advantages of high beam position resolution, quick automatic gain control and the like.

The invention relates to a toxicant prevention material, particularly to a preparation method of a composite type protective material for comprehensive toxicant prevention. The method comprises the steps as follows: (1) the composite type protective material for the comprehensive toxicant prevention comprises activated carbon serving as a carrier and an impregnant adsorbed by the activated carbon, wherein the impregnant comprises 7%-10% (by weight) of Cu, 1%-2% (by weight) of Mo, 0.6%-3% (by weight) of an active component additive Ag, 0.4%-1% (by weight) of Zn and 5%-10% (by weight) of a multi-amine compound TEDA (triethylene diamine); the content of basic cupric carbonate, ammonium molybdate, silver nitrate and zinc carbonate of the impregnant of active components are calculated according to the content of the active components such as the Cu, the Mo, the Ag and the Zn respectively. The method is reasonable in design, and the composite type protective material capable of effectively protecting against various toxicants such as classic toxicants of HCN (hydrogen cyanide) and CNCL (cyanogen chloride), a penetrating toxicant of perfluoroisobutylene and the like, is developed.

The invention relates to a linkage induction type street lamp brightness adjusting system and a control method thereof. The linkage induction type street lamp brightness adjusting system is matched with a road section, a camera is arranged at each intersection, the camera performs data interaction with a control terminal, and meanwhile, the control terminal controls each street lamp in the corresponding road section to work; when the camera records that the configured vehicle is about to enter the road section, the information is integrated and then transmitted to a control terminal, the control terminal judges the vehicle passing direction, the control terminal obtains the vehicle information and then controls street lamps in the corresponding road sections to be linked until the camerasat the exits of the road sections collect target vehicles within preset time, street lamp brightness adjustment is completed, and otherwise, the vehicle information is further judged. The applicationlimitation of the street lamp capable of automatically adjusting the brightness is solved, linkage type adjustment is conducted on a street lamp night lighting scene with few passing vehicles, energyis saved to a great extent, light pollution is reduced, passing safety is guaranteed on the premise, and the street lamp control method is suitable for controlling the street lamp of the roadway withthe high passing speed or large variation.

The invention discloses a new compound having an anthracycline antibiotic structure, and a preparation method and an application thereof. The anthracycline antibiotic coupled nonlinear multi-block copolymer has better effects on treatment of oculopathy compared with other forms of drugs or medicaments.

The embodiment of the invention provides a method and a device for transmitting a medical image file. The method comprises the following steps: receiving a medical image file transmission signal triggered by a user through a man-machine interaction component of medical image equipment, wherein the transmission signal carries an identifier of the medical image equipment; acquiring an interface function corresponding to the identifier of the medical image equipment according to the identifier of the medical image equipment; encapsulating a medical image file to be transmitted in the medical image equipment by using the interface function; and transmitting the encapsulated medical image file to a cloud platform. In the embodiment of the invention, medical image files generated by different medical image equipment are uniformly encapsulated into files of one format, and the encapsulated files are uploaded to the cloud platform to be saved, so that the problems of poor transmission compatibility and application limitation of the medical image files in the prior art are solved; the medical image files can be successfully uploaded onto the cloud platform; the medical image files can be acquired from the cloud platform immediately to organize medical experts for consultation; and the medical diagnosis efficiency is increased.

The invention discloses a temperature drift trimming circuit, and belongs to the technical field of compensation circuits. The temperature drift trimming circuit comprises a resistor R2a, a resistor R2b, a transistor Q4 and a transistor Q5; the resistor R2a and the resistor R2b are connected in series; a base electrode of the transistor Q4 is connected with a base electrode of the transistor Q5; after the resistor R2a and the resistor R2b are connected in series, the resistor R2a is connected to a collecting electrode of the transistor Q4, and the resistor R2b is connected to an emitting electrode of the transistor Q4. The temperature drift trimming circuit can achieve trimming only by using one set of resistors, the trimming mode is greatly simplified, and the application limitation caused by a resistor trimming matrix network is avoided; in the circuit layout design, only the matching design of the resistor R2a needs to be considered, and the layout design difficulty is reduced.

The invention discloses a high-stability video triggering method and a digital oscilloscope, and the method comprises the steps: obtaining a video signal, carrying out the low-pass filtering of the video signal, so as to filter a high-frequency component in the video signal, and obtaining a filtering signal; detecting the minimum valley value of each negative pulse in the filtering signal, and calculating and obtaining a comparison level in combination with a preset hysteresis window size; performing digital comparison on the filtering signal according to the comparison level to generate a synchronizing signal; performing video triggering processing according to the synchronization signal to obtain a triggering signal; and controlling to store and display a signal waveform near the triggering position on the video signal according to the triggering signal. The comparison level is calculated by combining the minimum valley value of the negative pulse and the size of the hysteresis window, therefore, digital comparison can be carried out on the filtering signals in each updating period, the application effect of comparison level self-adaptive following is achieved, the application limitation that the comparison level is fixed in the past is effectively avoided, and meanwhile the interference effect of superimposed noise on the filtering signals can be reduced to the maximum extent.

The invention belongs to the technical field of micro-manufacturing and provides a non-contact type optical measurement method for thickness of a thick photoresist film. According to the method, refractive index of the photoresist film is introduced when the photoresist thickness is measured by an optical microscope, a virtual image observed by naked eyes is converted into a real image, and the accurate photoresist film thickness is obtained. The method comprises measurement steps as follows: substrate pretreatment, photoresist film preparation, photoresist film thickness measurement, exposureand development. The defects of measurement methods such as an electrolytic method, a crystal resonator method, an interference method, a spectrum scanning method, an X-ray method, an elliptical polarization method and the like in the prior art as well as limitation of application are overcome, the thickness of the photoresist film which is several hundreds mu m thick is measured accurately, themethod has the characteristics of being wide in application range, simple and efficient, and dimensional precision and efficiency of manufacturing of an electric casting film with a metal microstructure can be improved.

The invention provides a service table processing method and device; the method comprises the following steps: obtaining the name of a service table with changing data content columns when data-in-line content is added or reduced in the data content columns of a random service table in a database; searching a sequence table corresponding to the name of the service table according to the service table name, obtaining a present sequence value and increment contained in the sequence table, wherein the increment is a preset value representing sequence value changing rule in the sequence table; adding or subtracting the obtained present sequence value and the increment, plugging the added or subtracted sequence value into an identification attribute column of the service table, wherein the added or subtracted sequence value is matched with an identification attribute item of the added or reduced data-in-line content. The method and device suit for all databases, and can solve the application restricted problems existing in a digit sequence generation method provided by an existing database.

The invention relates to a polymer microsphere/endogenous microbial/biological surfactant ternary composite flooding type method for improving the crude oil recovery efficiency of a low-permeability oil reservoir. The coordination of the polymer microsphere profile control, the endogenous microbial flooding of the reservoir and the biological surface active agent displacement technology is realized for the first time and can be applied to crude oil exploitation of fractured sandstone reservoirs at the reservoir temperature of 30 to 55 DEG C and the reservoir permeability less than 50*10~3micron<2>. With a composite slug profile controlling and flooding method, the slug combination includes a low-concentration polymer microsphere solution of 0.05 to 0.1 PV, a high-concentration polymer microsphere solution of 0.4 to 0.6 PV, formation water of 0.01 to 0.02 PV, and an endogenous microbial activator of 0.4 to 0.6PV. A core is closed and then culturing is carried out for 10d at a reservoirtemperature; a biological surface active agent solution of 0.1 to 0.2PV is injected, so that a composite reservoir oil displacement system and residual oil are in full contact and the oil is displacedfully. The water flooding efficiency is increased by 26.2%; the effect is obvious; and the concept and need of green and high-efficiency development of all large oil fields are met.

The invention discloses a novel chemical compound with an anthracene ring antibiotic structure and a preparation method and application thereof. The effect of the anthracene ring antibiotic coupling non-linear multi-block copolymer on treating choroid and retina diseases is better than that of medicines or drugs in other forms.

The invention relates to the technical field of wireless communication, and aims to provide a call forwarding method. The call forwarding method comprises the following steps: a calling terminal sends calling terminal identification information and a communication request to a called terminal through a server; if the called terminal receives a call forwarding instruction within the preset time, the called terminal sends called terminal identification information and a forwarding communication request to a forwarding terminal through the server; the forwarding terminal judges whether a forwarding communication receiving instruction is received within a preset time, if so, the calling terminal establishes a communication connection relationship with the forwarding terminal, and then the server feeds back call forwarding success information to the called terminal, and if not, the server feeds back call forwarding failure information to the called terminal; the called terminal re-judges whether the receipt instruction is received within the predetermined time. According to the call forwarding method, the real-time control of the call forwarding can be realized, the feedback of the call forwarding is acquired, the application limitation caused by the preset call forwarding is avoided, and the user experience is effectively improved.