913results about How to "Avoid accuracy" patented technology

An exposure apparatus exposes a substrate by projecting a pattern image onto the substrate via a projection optical system and a liquid. The exposure apparatus includes a liquid supply device which supplies liquid onto the substrate from above the substrate through a first and second supply ports disposed in a vicinity of a projection area onto which the pattern image is projected, and a liquid recovery device which recovers liquid on the substrate from above the substrate through an inside recovery port disposed outside the first and second supply ports and an outside the second recovery port disposed outside the inside recovery port.

The invention is intended to always ensure a sufficient level of patient positioning accuracy regardless of the skills of individual operators. In a patient positioning device for positioning a patient couch 59 and irradiating an ion beam toward a tumor in the body of a patient 8 from a particle beam irradiation section 4, the patient positioning device comprises an X-ray emission device 26 for emitting an X-ray along a beam line m from the particle beam irradiation section 4, an X-ray image capturing device 29 for receiving the X-ray and processing an X-ray image, a display unit 39B for displaying a current image of the tumor in accordance with a processed image signal, a display unit 39A for displaying a reference X-ray image of the tumor which is prepared in advance, and a positioning data generator 37 for executing pattern matching between a comparison area A being a part of the reference X-ray image and including an isocenter and a comparison area B or a final comparison area B in the current image, thereby producing data used for positioning of the patient couch 59 during irradiation.

The invention is intended to always ensure a sufficient level of patient positioning accuracy regardless of the skills of individual operators. In a patient positioning device for positioning a patient couch 59 and irradiating an ion beam toward a tumor in the body of a patient 8 from a particle beam irradiation section 4, the patient positioning device comprises an X-ray emission device 26 for emitting an X-ray along a beam line m from the particle beam irradiation section 4, an X-ray image capturing device 29 for receiving the X-ray and processing an X-ray image, a display unit 39B for displaying a current image of the tumor in accordance with a processed image signal, a display unit 39A for displaying a reference X-ray image of the tumor which is prepared in advance, and a positioning data generator 37 for executing pattern matching between a comparison area A being a part of the reference X-ray image and including an isocenter and a comparison area B or a final comparison area B in the current image, thereby producing data used for positioning of the patient couch 59 during irradiation.

A QoS routing apparatus as a node of a logical network to transmit data communicated between user's terminals comprises a relay unit discriminating whether or not flows of received data are measurement flows and transmitting said received data, a quality measurement unit measuring communication quality of links connected the own apparatus using the measurement flows, a quality accuracy setting unit determining measurement accuracy of the communication qualities of the respective links and a path setting unit prescribing transmission amounts of the measurement flows to the respective links. When the path setting unit prescribes the transmission amounts of the measurement flows, it applies a higher rate to a link which has been determined a lower measurement accuracy.

A plurality of iris images of a person to be authenticated in which the positions of extraneous light reflection are respectively different are captured by using an image capturing device. Iris codes, that is, features for authentication, are respectively extracted from the plural iris images, and the plural iris codes thus extracted are respectively compared with a registered iris code, so as to generate a plurality of comparison results. The plural comparison results are integrated to obtain an ultimate comparison score, which is used for the authentication.

A pixel boundary difference detector detects a pixel boundary difference across a pixel boundary on the basis of a difference value between pixel values of adjacent pixels across the pixel boundary on a picture plane of an input image frame, and a predicted pixel value on the pixel boundary predicted from at least a plurality of pixels on one side of the pixel boundary, an accumulator accumulates the pixel boundary differences for one image frame, and a block noise detector detects a block noise on the basis of a result of the accumulation. The accuracy of block noise detection is improved, the effect of block noise reduction is improved, and the picture quality is improved.

A distance estimation device (1x) prevents the variation in distance estimation accuracy that has been a problem in distance estimation performed using an all-in-focus image and an arbitrary-focal-depth image. The distance estimation device can estimate a focal distance of any subject with a high degree of accuracy, and includes: a first generation unit (10w) generating a first distance map indicating a focal depth determined from an all-in-focus image and a first focal-depth image; a second generation unit (11w) generating a second distance map indicating a focal depth determined from the all-in-focus image and a second focal-depth image; and a distance map synthesis unit (14) synthesizing the generated first distance map and the generated second distance map to generate a synthetic distance map.

A video encoding method is provided in the invention. In such method, after a current encoding frame among a sequence of input frames is received, each coding unit in the current encoding frame may be optionally split into two oblong prediction units, and each of the prediction units may be optionally split into a plurality of sub-blocks so as to thereby improve the matching accuracy for a matching reference block from a reference frame. A video decoding method corresponding to the aforesaid video encoding method is also provided.

A method for hourly, daily, weekly, monthly, quarterly and annual forecasted air quality health effects caused by air pollutants generated over a determined geographical area and a system implementing the method.

The invention discloses a generation method of an image description from a structured text. The generation method comprises the steps of downloading pictures from the internet to form a picture training set; conducting morphological analysis on descriptions which correspond to the pictures in the picture training set to form the structured text; using an existing neural network model to extract convolution neural network characteristics of the pictures in the training set, and using <, picture characteristics and structured text < as inputs to form a multitasking recognition model; using the structured text extracted from the training set and a description which corresponds to the structured text as inputs of a recurrent neural network, and conducting training to obtain a parameter of a recurrent neural network model; inputting the convolution neural network characteristics of an image ready to be described, and obtaining a predicted structured text through the multitasking recognition model; inputting the predicted structured text, and obtaining the image description through the recurrent neural network model. Compared with the prior art, a better image description effect, accuracy and sentence variety can be generated through the method, and the generation method of the image description from the structured text can be effectively popularized in an application of image retrieval.

The invention discloses an ultra-high-frequency partial discharge signal identification method for gas insulated switchgear (GIS). The method comprises a model training process and a defect identification process, and specifically comprises the following steps of: reprocessing partial discharge signals of the GIS; extracting discharge characteristic parameters such as average discharge amplitude, discharge amplitude standard deviation, discharge phase distribution, discharge polarity, discharge time interval mean, discharge time interval standard deviation; optimizing a weight and a threshold value of a back propagation (BP) neural network by utilizing a genetic simulated annealing tool; training samples by utilizing a BP neural network tool; establishing a corresponding gas statistic algorithm (GSA)-BP model; preprocessing the partial discharge signals to be identified of the GIS; and identifying the samples to be measured in a classified way according to the GSA-BP model after extracting the corresponding characteristic parameters. By the method, the efficiency and the accuracy of partial discharge fault diagnosis of the GIS are improved effectively; and the method is critical to evaluate the insulation state of the GIS and formulate a reasonable maintenance strategy.

It is possible to provide a radio transmission device and a radio transmission method which can avoid degradation of a channel estimation accuracy using a reference signal formed by a ZC sequence even when the RS transmission band of a local cell is different from that of an adjacent cell. A mobile station decides a cyclic shift sequence corresponding to RB allocation information from an RS table which correlates different frequency bandwidths from a reference point of respective transmission bands to a spectrum start number of the cyclic shift sequence so as to satisfy a particular relationship based on the sequence length and transmits the decided cyclic shift sequence as RS to a base station. The base station uses the same RS table as the RS table of the mobile station and performs correlation calculation of the RS transmitted from the mobile station, thereby performing channel estimation.

The invention discloses a scenic spot self-help tour system and a scenic spot self-help tour method based on a mobile Internet. The system comprises a scenic spot identification system, a user terminal, a scenic spot data service system, and an intelligent navigator. A PC terminal and a notebook access the scenic spot data service system via the Internet. A smart phone or a tablet computer terminal identifies a two-dimension identification code, a proximity identification device or a digital identification code of the scenic spot identification system, and accesses video and audio explanation information in the scenic spot data service system via a wireless network. The smart phone or the tablet computer terminal is further connected with the intelligent navigator through a data line interface, and looks up navigation information of a scenic spot in the intelligent navigator. According to the invention, accurate location information of a scenic spot is judged by using the smart phone or the tablet computer terminal to scan the two-dimension identification code, sense a proximity identification device signal or input the digital identification code, and the video and audio explanation information of the scenic spot is acquired by accessing the scenic spot data service system or directly accessing a rented intelligent navigator, thus realizing self-help tour guide.

The invention discloses a two-step enzyme measuring method and measuring reagents for creatinine in blood serum. The hydrogen peroxide generated by endogenous creatine is eliminated by utilizing catalase in a reagent 1 of the creatinine measuring reagents, and the catalase in the reagent 1 is suppressed by utilizing the catalase in a reagent 2 of the creatinine measuring reagents, so that the creatinine content in a sample is measured. The invention has the advantages that the phenomenon that the cost is increased because of oxidizing hydrogen peroxide by the catalase, so that the detection result is low in accuracy and precision is avoided.

The invention discloses an earphone system and a control method with automatic sensing detection and control functions. The earphone system comprises a control unit, an electronic sensing and detecting unit and a signal processing unit, wherein the electronic sensing and detecting unit is used for automatically sensing and detecting the wearing state of an earphone, a detecting signal is correspondingly generated and sent to the signal processing unit, the signal processing unit is used for receiving a detecting signal sent by the electronic sensing and detecting unit, processing and converting the detecting signal into a signal capable of being identified by the control unit and sending the signal to the control unit, and after the control unit receives the signal processed by the signal processing unit, a control instruction is generated and sent to an earphone main body circuit unit. The electronic sensing and detecting unit in the earphone system with the automatic sensing detection and control functions is a non-mechanical type switch, can automatically sense and detect the wearing state of the earphone with the head of the human body directly serving as a target, and the problems of misjudgment of a mechanical switch and poor precision are solves. The earphone system is convenient to use and truly achieves the energy saving aim.

A wireless base station apparatus and wireless terminal apparatus with a configuration which can prevent reductions in the accuracy of channel estimation when non-contiguous band transmission and SRS transmission are employed in an uplink line. In the base station apparatus (100), an allocation setting unit (106), which sets the reception band of an SRS at an SRS extraction unit (103) and sets the units of frequency allocation (RBG) at a CQI estimation unit (104) and allocation unit (105), matches the frequency position at the end of the SRS reception band to the frequency position at the end of any of the units of frequency allocation and sets the reception bandwidth of the reference signal to a natural number multiple of the bandwidth of the unit of frequency allocation. In the terminal apparatus (200), a band information setting unit (204), which sets the transmission band and units of frequency allocation (RBG), matches the frequency position at the end of the transmission band to the frequency position at the end of any of the units of frequency allocation and sets the transmission bandwidth of the SRS to a natural number multiple of the bandwidth of the unit of frequency allocation.

The invention relates to an optimal control method and a device for a water system of an air conditioning, which belongs to the field of building energy conservation and green air conditionings. In the invention, according to the measured pressure difference between the inlet and the outlet of a water pump, a certain algorithm is utilized to work out the flow rate of the water pump and the resistance characteristic value of the water system, and the frequency of the water pump is regulated so that the resistance characteristic value of the water system is kept within a certain range. The range of the resistance characteristic value is the system resistance characteristic value when the end valve of the water system is opened. The invention can overcome the defects of high cost for a flow sensor, which is installed in a real water system and is used for controlling the real system, and inaccurate measurement due to insufficient space and position for field installation; And the invention can overcome the defect of high energy consumption of a constant-speed pumping system under the loading condition at the end of the air conditioning, and the defects of high energy consumption and insufficient end cold energy of the constant-speed pumping system due to the unreasonable arrangement position and the unreasonable set value of a pressure difference control point. The invention is suitable for primary pump chilled water systems, secondary pump chilled water systems and air conditioning hot-water systems.

The invention relates to a novel field device inspection system and an inspection method thereof. The system mainly comprises two parts including an inspection terminal system and a WEB server system; a foreground-background treatment mode is adopted, wherein a foreground inspection terminal consists of a two-dimensional code label, a two-dimensional code scanning gun and an inspection panel which are fixed on a field device; the WEB server system and a WIFI (wireless fidelity) wireless route form background data processing and device management; the inspection terminal system and the WEB server system adopt a C / S (Client / Server) structure; and the WEB server system and a client in a local area network adopt a B / S (browser / Server) structure. The technical scheme adopted by the invention not only achieves mobility, portability and flexibility of field inspection, but also realizes safety and accuracy of device inspection under the complex field working condition well.

The invention relates to an auxiliary fault detection system and a method which are applied in a production information system for assisting the fault detection operation of a circuit board, the auxiliary fault detection system comprises a detection module for detecting identifying information of the circuit board, detecting the circuit board in the fault detection operation and sending corresponding fault code information and fault position information, a database for storing the fault code information and the corresponding fault position information detected in the fault detection operation and storing the identifying information of the circuit board, an extraction module for extracting the fault code information corresponding to the circuit board from the production information system according to the detected identifying information, an inquiry module for extracting the corresponding fault position information from the database according to the fault code information, and a calculation module for calculating the respective proportion of each fault position contained in the fault position information according to the fault position information for reference.

In order to reduce manufacturing cost of a base supporting a semiconductor laser, without deteriorating accuracy of mounting of the semiconductor laser, a mounting member is provided between the base supporting the semiconductor laser and the semiconductor laser; and the semiconductor laser and the base are fixedly attached with heat-cured silver paste. The silver paste has a lower curing temperature than an assurance temperature of the semiconductor laser, and a higher heat resistance than an operation temperature of the semiconductor laser. The mounting member is formed of a material having a higher heat resistance than the curing temperature of the silver paste.

The invention provides a navigation route finding method, a robot and a system. The method comprises the steps that a collecting device collects the environmental information of the robot during a training movement process and generates training data according to the environmental information during the training movement process; the training data are used to train a depth neural network through a depth-enhanced learning method, so that the trained depth neural network is adapted to carry out decision analysis based on route finding data; and the robot is instructed to carry out route finding toward a navigation target, wherein the route finding data are acquired according to data collected by the collecting device during a route finding application process and the navigation object. According to the navigation route finding method, the robot and the system, the navigation route finding is accurate.

A control apparatus for a gas sensor with a built-in heater is provided which can prevent damage to, deterioration of, and reduction in accuracy of detection of, a gas sensor. When an ignition switch is turned ON, supply of electricity to a heater 27 starts, and when the temperature in the vicinity of a gas sensor 15 (gas temperature of gas detection chamber 24) Ts becomes greater than a predetermined temperature #Ti at start, or when a predetermined electricity supply time after start of supply of electricity to the heater 27 has elapsed, the gas sensor 15 is started. The flow of off-gas is started simultaneously with starting of the gas sensor 15, or after starting. When the ignition switch is turned OFF, the flow of off gas is stopped, and the supply of electric power to the gas sensor 15 is stopped. In a state where a temperature difference ΔT between the gas temperature Ts inside the gas detection chamber 24, and an upstream gas temperature Tg is maintained within a predetermined range, the supply of electricity to the heater 27 is stopped after a predetermined time has elapsed after operation of the gas sensor 15 is stopped.

The invention discloses a multi-view gait identification method based on an adaptive three dimensional human motion statistic model. Images of a training set of the invention are from a plurality of shooting systems, and target point cloud is generated through the multi-vision three dimensional reconstruction technology so as to construct a three dimensional statistic human body model. A virtual camera performs projection transformation on the three dimensional statistic human body model to obtain a composite human body contour binary image under any visual angle to be used for further extracting various gait characteristics. Based on the three dimensional human body model, a skeleton model is established to provide a reasonable range for the free degree of each joint; in addition, a three dimensional human motion statistic model is established, which is adaptive to various different walking occasions through parameter adjustment. In a training phase, a gait characteristic database is established based on the method. In an identification phase, same gait characteristics are extracted from videos to compare with characteristics in the database; and an optimum identification object is found based on a nearest specimen classifier and a highest scoring strategy.

The invention discloses a device and a method for kinetic study of drilling fluid and natural gas hydrate. The device comprises a gas source, a booster pump, a buffer tank, a reaction kettle and a vacuum pump which are connected in sequence, wherein a pressure adjusting valve is arranged between the gas source and the booster pump; a valve is arranged between the booster pump and the buffer tank; the buffer tank is connected with the reaction kettle through two branches; the pressure adjusting valve and the valve are arranged on the branches respectively; the two branches are joined and connected with the reaction kettle through the valve; two branches are arranged at the output end of the reaction kettle, one branch is connected with the vacuum pump through the valve, and a valve and a back pressure valve are arranged on the other branch respectively; a temperature sensor and a pressure sensor are arranged on the buffer tank and the reaction kettle respectively; a camera storage tube, a conductivity meter, a magnetic stirring paddle and a transparent observation window are also arranged on the reaction kettle; and a stainless steel lining is arranged at the inner side of the reaction kettle. According to the device and the method, the process of conversion of the drilling fluid in the kettle from liquid to hydrate can be conveniently shot and observed, and the change of the liquid resistance in the reaction kettle along with the reaction time can be represented.

The invention provides a testing method and system of semi-opened spoken language examination questions, for realizing fully-automatic grading for the semi-opened spoken language examination questions through starting with a key content detection and text independence evaluation technology and leaping over dependence on voice recognition. In the invention, the evaluation of spoken language voice includes four parts, i.e., content, pronunciation, fluency and rhythm, and therefore, the foundation is laid for the evaluation work of spoken language.

Electric power is generated by using a generator equipped with: a coil unit that is arranged on a barrel platform and incorporates coils; and a magnet unit that has a magnet section arranged on a protruding section of a column separated from the barrel platform in terms of vibration and generates an electromotive force in a non-contact state with the coils, and a motor that drives the magnet section, and thus a wiring that supplies electric power to the barrel platform does not have to be used. Accordingly, vibration that has been propagated to the barrel platform through the wiring can be precluded.

The invention is intended to always ensure a sufficient level of patient positioning accuracy regardless of the skills of individual operators. In a patient positioning device for positioning a patient couch 59 and irradiating an ion beam toward a tumor in the body of a patient 8 from a particle beam irradiation section 4, the patient positioning device comprises an X-ray emission device 26 for emitting an X-ray along a beam line m from the particle beam irradiation section 4, an X-ray image capturing device 29 for receiving the X-ray and processing an X-ray image, a display unit 39B for displaying a current image of the tumor in accordance with a processed image signal, a display unit 39A for displaying a reference X-ray image of the tumor which is prepared in advance, and a positioning data generator 37 for executing pattern matching between a comparison area A being a part of the reference X-ray image and including an isocenter and a comparison area B or a final comparison area B in the current image, thereby producing data used for positioning of the patient couch 59 during irradiation.