192results about How to "Obvious positive technical effect" patented technology

The invention relates to a gesture motion-based character recognition system and a character recognition method, and application thereof. The gesture motion-based character recognition system comprises a camera module, a display module, a detection module, an area module and a recognition module. The camera module is used for capturing an image; the display module is used for displaying the captured image; the detection module is used for detecting a selected gesture motion that a user carries out in the displayed image; the area module is used for determining an area that a character that the user pays attention to is located at according to the detected gesture motion; and the recognition module is used for carrying out optical character recognition on an image in the area so as to obtain a character in a text format. According to the above-mentioned technical scheme, character recognition can be realized conveniently, rapidly and accurately, so that popularization of character recognition application can be carried out conveniently; and thus, the system, the method and the application are suitable for practical use.

The invention provides a method and system for achieving visual presentation of a client side. The achieving method comprises the steps that a cloud server determines a visible picture of a client at present according to current information of the client at the client side in a device, the cloud server carries out rendering process on the picture and sends to rendered picture information to a terminal device where the client side is located in a picture mode, and the client side displays a corresponding picture according to the picture type information received by the terminal device. According to the method and system for achieving visual presentation of the client side, data processing capability of the cloud side is fully utilized, the client side is simplified, the development and downloading process of the client side is simplified, and processing pressure of the terminal device where client sides are located is reduced. The requirement for hardware allocation of the terminal device where the client sides are located is reduced, experience of the client side of the client is improved, and popularization and application of application software like three-dimensional network games are facilitated.

The invention provides a secure online upgrade method and system for tax control equipment software. The secure online upgrade method comprises the steps that: a terminal sends a tax control equipment identifier that is encrypted based on a first key to a network end; the network end decrypts the tax control equipment identifier via a second key, and sends a communication key that is encrypted based on a third key, an upgrade data packet that is encrypted based on the communication key and a digital signature to the terminal, when determining that the tax control equipment identifier is a credible tax control equipment identifier and that the terminal has software upgrade authority; the terminal decrypts the communication key via a fourth key, obtains an upgrade data packet plaintext via the communication key, obtains a first abstract corresponding to the digital signature via the communication key and the first key, and executes an upgrade operation of the tax control equipment software, when determining that the upgrade data packet plaintext is a complete and effective upgrade data packet plaintext according to the first abstract and a second abstract that is calculated based on the upgrade data packet plaintext. The secure online upgrade method provided by the invention is used for guaranteeing the security and integrity of data transmission in an upgrade process and reducing the upgrade cost of the tax control equipment software.

The invention relates to signal detection and control equipment and a traffic signal failure automatic inspection system. The system comprises an upper computer and a plurality of signal detection and control equipment. The upper computer and the signal detection and control equipment are connected through a wireless communication network. The signal detection and control equipment comprise interface circuits, acquiring modules, signal conditioning modules, main controllers, wireless communicating modules and power management modules. The interface circuits are connected to traffic signal terminal equipment, the acquiring modules are connected to the interface circuits and are used for acquiring electrical parameters of the traffic signal terminal equipment, the signal conditioning modules are used for determining failures of the traffic signal terminal equipment by the fuzzy neural algorithm according to conditioned acquired signals, producing corresponding traffic signal failure alarming information when the failures of the traffic signal terminal equipment are determined, and transmitting to the upper computer through the wireless communicating modules. By the aid of the traffic signal failure automatic inspection system, intelligent remote management and maintenance of the traffic signal terminal equipment can be implemented.

The invention relates to a surface collapse microseism three-dimensional positioning and monitoring method and system. The system comprises a plurality of detectors, at least one data collecting station and a control center, wherein the data collecting station is used for converting analog electrical signals collected by the detectors into digital monitoring signals and sending the digital monitoring signals to the control center through a wireless transmission network, the control center is used for receiving the digital monitoring signals transmitted from the data collecting station and conducting the focus inversion operation according to the digital monitoring signals, therefore, the focus can be positioned, and three-dimensional display imaging is achieved. The data collecting station comprises an input filter, a pre-amplifier, an analog-to-digital conversion module, a logic control unit, a data encoder, a wireless data transmission interface and a power module. According to the technical scheme, surface collapse can be easily, conveniently, timely, accurately and inexpensively monitored in real time.

The invention discloses an antenna switching system based on power and signal intensity detection. The system comprises at least two communication antenna groups, a global positioning system antenna, a wireless network antenna, a duplexer, a signal processing control module, a coupler and a double-pole-double-throw switch, wherein each communication antenna group is divided into two communication antennas so as to receive and transmit a mobile communication frequency range signal; the global positioning system antenna receives and transmits a global positioning system frequency range signal; the wireless network antenna receives and transmits a wireless network frequency range signal; the duplexer separates the mobile communication frequency range signal, the global positioning system frequency range signal and the wireless network frequency range signal; the signal processing control module detects receiving signal intensity; the coupler acquires reflection power; and the double-pole-double-throw switch is used to switch a usage antenna. The signal processing control module switches the usage antenna through the double-pole-double-throw switch according to the receiving signal intensity and the reflection power.

The invention relates to a clock generating method and a clock generating circuit for a CMOS (complementary metal oxide semiconductor) without a crystal oscillator. The clock generating method includes: generating high-frequency sine oscillation signals by a digital-control oscillator; converting the high-frequency sine oscillation signals into square-wave signals output in single-end mode; underclocking the square-wave signals to obtain clock signals of preset frequency according to preset fractional frequency; regulating duty ratio of the clock signals so that the duty ratio of the clock signals can meet the requirement of preset duty ratio of clock, and outputting the clock signals, wherein a variable capacitor array in the digital-control oscillator is controlled by frequency locking control information. A method for setting the frequency locking control information includes: generating frequency control information according to frequency difference between output signals of an external crystal oscillator and the clock signals underclocked. By the clock generating method, the clock generating circuit can be smaller in size and lower in power consumption, low-cost CMOS technology can be realized in chips, and accordingly, integrity and stability of the system are improved, system realizing cost and power consumption are reduced.

The invention relates to a method and a device for collecting stumpage information. The method comprises the following steps of obtaining the height of an information collector who uses an intelligent mobile electronic device to collect the stumpage information, and determining the height from the intelligent mobile electronic device to the ground according to the height of the information collector; obtaining a current look-down angle of the intelligent mobile electronic device under the situation that a focusing point of a shooting center of the intelligent mobile electronic device is aligned to a lowest point of a detected stumpage, and calculating the distance between the intelligent mobile electronic device and the detected stumpage according to the height and the look-down angle; obtaining a current look-up angle of the intelligent mobile electronic device under the situation that the focusing point of the shooting center of the intelligent mobile electronic device is aligned to a highest point of the detected stumpage, and calculating the height of the detected stumpage according to the height, distance and the look-up angle. According to the technical scheme provided by the invention, the stumpage information collecting convenience and the information collecting efficiency are effectively increased, and the implementation cost for collecting the stumpage information is reduced to a larger extent.

The invention relates to a method for assembling a rotary kiln. The method for assembling the rotary kiln includes steps: respectively marking out end face center points on two end faces of each section of a barrel of the rotary kiln pertinently; erecting a laser emitting device which emits laser beams according to the technique inclination of the rotary kiln; adjusting relative positions of the laser emitting device and a preset section so as to enable the laser beams to shoot the center points of the two end faces of the preset section provided with a transmission gear to establish a laser datum line; sequentially adjusting positions of the other sections except the preset section according to the distances from the other sections to the laser emitting device from near to far so that distances from the shooting position of the laser datum line on each end face to the center point of the end face in an X-direction and a Y-direction are within a preset error range; and fixedly connecting the sections. By the aid of the technical scheme of the method for assembling the rotary kiln, the rotary kiln can be conveniently and rapidly assembled, measuring accuracy can be improved, deviation is avoided to the greatest extent, and design requirements of the rotary kiln are met.

The invention relates to a standing tree information acquisition method and device based on images. The method comprises the steps that calibration parameters of a camera are obtained, and the calibration parameters are coordinate transformation parameters between a world coordinate system and an image coordinate system; the images which include measured standing trees and are photographed based on the calibration parameters are obtained; the number of pixels corresponding to the measured parameters of the measured standing trees in the images is metered; and the measured parameters of the measured standing trees are calculated according to the number of the pixels corresponding to the measured parameters, the number of the pixels corresponding to a reference object in the images photographed based on the calibration parameters and the coordinates of the reference object in the world coordinate system inversely calculated based on the calibration parameters. According to the technical scheme, standing tree information acquisition convenience and information acquisition efficiency can be effectively enhanced, and realization cost of standing tree information acquisition can be reduced at a larger extent.

The invention provides a goods shelf supplement system based on the internet of things. The goods shelf supplement system comprises a goods supply side portion and a goods supplied side portion, wherein the goods supplied side portion comprises at least one goods sensor frame which is provided with a sensor module used for collecting and outputting goods quantity information, and at least one goods management device connected with one or more sensor modules so as to generating goods quantity information of products on the goods sensor frame according to received goods quantity information; an inventory management device of the goods supply side portion obtains data and commands through a communication system, displays inventory of products on the goods supplied side according to the goods quantity information and prompts inventory alarming information according to the goods quantity information and corresponding inventory low-values and / or inventory high-values. The goods shelf supplement system can automatically sense inventory information through a goods shelf and tell suppliers the inventory information directly, so the goods supply side and the goods supplied side can learn about the inventory conditions of the goods supplied side at any time, labor cost is saved and management efficiency is improved.

The invention relates to a cutting method of a Z-shaped notch of H-shaped steel. The H-shaped steel is placed in the horizontal direction of a web plate. One cutting method comprises the following steps: firstly, cutting the web plate of the H-shaped steel according to the middle cutting edge of the Z-shaped notch; then cutting joints of the web plate of the H-shaped steel and wing plates at two sides respectively according to cutting edges at two sides of the Z-shaped notch so as to peel off partial connection between the web plate and the wing plates at two sides; and finally cutting the wing plates at two sides to form two sections of H-shaped steel with Z-shaped notches. The other cutting method is basically the same as the cutting method, and the only difference between the two cutting methods is that the execution sequence of the first cutting step and the second cutting step is changed. The technical scheme provided by the invention can be used for effectively avoiding adverse effects caused by internal stress in the cutting process and reducing the investment in lifting operation, thereby improving the cutting yield of the H-shaped steel, improving the working efficiency, and reducing the construction cost.

The present invention relates to the technical field of image data processing, and provides an oblique photograph data storage and scheduling method and apparatus. The oblique photograph data storage method comprises segmenting an oblique photograph model according to a tree structure at least according to resolutions of the oblique photograph model, each hierarchy of the tree structure being corresponding to one resolution; and saving each node model obtained by segmentation in a file form, a file of a father node module comprising indexes of sub-node modules thereof. According to the oblique photograph data storage and scheduling method and apparatus, loading, scheduling and rendering speeds of oblique photograph data are increased.

The invention relates to a method and device for estimating forest above-ground biomass. The method comprises the steps that perpendicular distribution of the relative reflectivity of pixels is estimated for a pair of preprocessed polarization interference SAR images by using a Legendre expansion equation of multiple correlation of the pixels in the perpendicular direction; scattering type distinguishing is conducted on all the pixels in the preprocessed main image, areas formed by all volume scattering type pixels in the image are regarded as forest areas, and object-oriented partition is conducted, so that a plurality of polygon forest stands representing homogeneity forest objects are obtained; for all the polygon forest stands, average relative reflectivity perpendicular structural sections are calculated respectively, and parameterized processing is conducted on the average relative reflectivity perpendicular structural sections; a multi-element linear forest above-ground biomass estimation model is established according to multiple obtained parameters, and the forest above-ground biomass of the polygon forest stands is calculated through the multi-element linear forest above-ground biomass estimation model. According to the technical scheme, the forest above-ground biomass can be more accurately estimated.

The invention relates to a method and system for rapidly adjusting the video play progress through the pressure touch technology. The method is characterized by including the steps of obtaining a press signal on a video play frame through a touch screen, sensing the pressure value of the press signal through a pressure sensing module, making a processing module generate a pressure sensing trigger signal when the pressure value exceeds a default value, obtaining a slide track of a contact point through the touch screen so as to make the processing module adjust the video play progress according to the pressure sensing trigger signal and the slide track, and restoring the video play frame to the adjusted video play progress for continuous playing when the pressure value is smaller than the default value, wherein the adjustment of the video play progress is accelerated through the processing module due to the increase of the pressure value.

The invention provides a method and device for achieving dual-card-two-standby quick communication. The method comprises a touch screen of a mobile communication terminal with two mobile user communication identification codes, wherein the touch screen is divided into two areas, and the areas corresponds to the mobile user communication identification codes respectively. The method comprises the following steps that a dragging path of a communication trigger button displayed on the touch screen is detected, the corresponding area of the dragging path is judged, and a current mobile communication operation is carried out by the adoption of the mobile user communication identification code corresponding to the corresponding area and the mobile user communication identification code of the other party of the current mobile communication. The method provides an achievement way of operating the mobile communication conveniently, and user experience is improved, layout of the graphical user interface is also simplified.

The invention relates to a driving test system based on a global position system (GPS). The driving test system comprises a GPS positioning system and a master control device. The GPS positioning system comprises two GPS receiving antennas and a GPS positioning signal processor, wherein the two GPS receiving antennas are arranged on a test car and receive and output GPS positioning signals. The GPS positioning signal processor receives GPS positioning signals output by the two GPS receiving antennas and determines the coordinate positions of the two GPS receiving antennas according to the GPS positioning signals. The marker coordinate position in the test item is pre-stored in the master control device; and the master control device calculates the coordinate position of a preset portion of the test car in a preset coordinate system according to the coordinate positions of the two GPS receiving antennas, and determines the position relation of a marker and the preset portion of the test car in the preset coordinate system according to the marker coordinate position and the coordinate position of the preset portion of the test car. The driving test system reduces achievement cost and improves applicability of an electronic test system.

The invention relate to a unit continuous lighting system which comprises a continuous lighting power supply device, at least one control device and at least one light source module. The continuous lighting power supply device is connected with a city power supply, a standby power supply and the control devices. The continuous lighting power supply device converts electric power input by the city power supply or the standby power supply according to the power supply specification needed by the control devices. The continuous lighting power supply device notifies each control device when the city power supply and the standby power supply carry out power supply switching. Each control device is respectively connected with one or more light source modules. When the control device determines that the city power supply switches to the standby power supply according to a notification, the control device controls the lighting of the light source modules which are connected with the control device according to the pre-stored lighting set parameters. The lighting source modules carry out corresponding lighting under the control of the control device which is connected with the lighting source modules. According to the invention, corresponding coping processing can be carried out according to an electric power source; the control flexibility of a lighting light source is improved; and the low cost of continuous lighting is ensured.

The invention discloses a tubing chipless cutting device. The tubing chipless cutting device comprises a machine body device, a driving system, a clamping mechanism and a pre-tight mechanism. The machine body device comprises a machine body (1), a left end cover (2), a right end cover (3) and a bolt supporting roller group (5), wherein the bolt supporting roller group is installed on the left and the right end covers (2,3). The driving mechanism comprises a hydraulic motor (19), a pinion (18) and a big gear wheel (4). The clamping mechanism comprises three climbing liner plates (6) of an inner circle of the big gear wheel (4), three sector blocks (7), a left lateral plate (8), a right lateral plate (9) and three sliding blocks (12). The pre-tight mechanism comprises a cylindrical brake cylinder (13), a brake band (21), a connecting plate (23), a screw pillar (22) and a nut (24), wherein the cylindrical brake cylinder (13) is connected with the left lateral plate (8), the brake band (21) is installed outside the cylindrical brake cylinder (13), and the connecting plate (23) can connected the brake band (21) on the left end cover (2). The tubing chipless cutting device can improve cutting efficiency and avoid environmental pollution.

The invention relates to a method and a system for quickly and accurately positioning a character cursor through a pressure touch technology. The method is characterized by comprising the following steps: through a character editing area displayed by a touch screen, utilizing a pressure sensing module to sense a pressing pressure value generated by pressing the touch screen; when the pressing pressure value exceeds a default, causing a processing module to start a precise positioning character cursor on a pressing position; according to the precise positioning character cursor, amplifying to display the character editing area of the position of the precise positioning character cursor, and sliding on the touch screen to move the position of the precise positioning character cursor; and finally, when the touch screen stops being pressed, causing the touch screen to recover to a normal display state.

The invention relates to a hopper unchoking device. The hopper unchoking device comprises a photoelectric sensor, a control circuit and a blockage removal unit. The photoelectric sensor comprises at least one group of through beam photoelectric sensors including an optical transmitting sensor and an optical receiving sensor. The control circuit is used for judging whether a hopper is blocked or not according to optical signals received from the optical transmitting sensor by the optical receiving sensor so as to determine outputting control signals for starting or stopping the blockage removal unit. The blockage removal unit comprises a motor, at least one transmission chain, at least one pair of sprockets, at least one operation chain and a plurality of scrape plates, wherein the at least one pair of sprockets are mounted at the top and the bottom of the inner side wall of the hopper, the at least one operation chain surrounds the inside and the outside of the hopper and is mounted on the at least one pair of sprockets, the plurality of scrape plates are mounted on the at least one operation chain, an acute angle larger than 0 degree is formed between each scrape plate and the operation chain along the moving direction, and the operation chain in an operating state rotates in the hopper from top to bottom. The hopper unchoking device is capable of automatically detecting and removing blockage of the hopper without human intervention.

The invention relates to an optical fiber microscopic endoscope probe. The optical fiber microscopic endoscope probe comprises a miniature microscope objective set and an imaging optical fiber bundle. The imaging optical fiber bundle is arranged in rear of the miniature microscope objective set. The miniature microscope objective set comprises a first lens element, a second lens element, a third lens element and a fourth lens element, wherein the first lens element is arranged in the foremost portion of the miniature microscope objective set, the surface of the first lens element is soaked with water, the second lens element is arranged in rear of the first lens element, the third lens element is arranged in rear of the second lens element, and the fourth lens element is arranged in rear of the third lens element and located in front of the imaging optical fiber bundle. The miniature microscope objective set of the optical fiber microscope endoscope probe comprises the four lens elements, the machining and assembling difficulty is greatly reduced, the boundary dimensions are effectively reduced, and the optical fiber microscopic endoscope probe can enter the human body through a work channel of a convectional endoscope.