126results about How to "Detection clear" patented technology

The invention discloses a prediction and evaluation technology of 3D seismic optimum time window river channel sand body reservoirs, belongs to the technical field of the prediction and evaluation of the 3D seismic reservoirs, and aims at solving technical problem that the river channel predictive resolution of the traditional methods is not enough. The technical proposal is as follows: the 3D visualization scanning is performed on each reservoir at the interval of 1-2ms, the optimum time window is determined according to the scope shown by the target river channel, the corresponding subfield is cut out, clairvoyance and scanning are carried out on the time window properties, such as root-mean-square amplitude, wave impedance and the like, auto-tracing is performed, top surface and bottom surface are picked up, a time isopach map is calculated and converted into a sand body isopach map, a top surface structure diagram is formed by time-depth conversion, and the reservoir physical properties are evaluated by curve reconstruction, thus realizing the prediction and evaluation of the plane morphology, longitudinal thickness and the reservoir physical properties of the river channel sand body. The method adopts the optimum time window to effectively inhibit interference, is applicable to various data volumes, and can effectively predict and evaluate a thin river channel sand body with the thickness far less than 1 / 4 of a wavelength under the condition of frequent interbedding of sand and mudstone, the thin river channel sand body comprises the river channel sand body which is not corresponding to wave crest or wave trough, and the method has good application effect in petroleum exploration and development.

Method for detecting road edges in a road of travel for clear path detection. Input images are captured at various time step frames. An illumination intensity image and a yellow image are generated from the captured image. Edge analysis is performed. The line candidates identified in a next frame are tracked. A vanishing point is estimated in the next frame based on the tracked line candidates. Respective line candidates are selected in the next frame. A region of interest is identified in the captured image for each line candidate. Features relating to the line candidate are extracted from the region of interest and input to a classifier. The classifier assigns a confidence value to the line candidate identifying a probability of whether the line candidate is a road edge. The potential line candidate is identified as a reliable road edge if the confidence value is greater than a predetermined value.

An identification method and apparatus for paper sheet statistically process information representing characteristics of a bank note, condense these to a smaller number of characteristics, and determine the authenticity of the bank note by using these characteristics. The method for identifying a paper sheet comprises separately carrying out (a) a detecting step and (b) a processing step, which are described below, for a genuine paper sheet note and a paper sheet to be checked, creating reference data based on the detecting step and the processing step carried out for the genuine note, and deter the authenticity of the paper sheet to be checked by comparing the data detected therefrom with the reference data. The identification apparatus for paper sheet, comprises signal creating units D, LD, PD, IV, AD and M, which create a plurality of pattern signals to be checked for a plurality of physical characteristics representing a pattern which is printed on the paper sheet in a predetermined region thereof; a processing unit J1; and a reference data storing unit R and a determining unit J2.

A wireless power supply system that detects communications in the input power to the switching circuit. In this aspect of the invention, the wireless power supply includes a detector for generating a signal indicative of the current in the input to the switching circuitry, a band-pass filter for filtering the detected signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream. In a second aspect, the wireless power supply system includes a detector for generating a signal that varies in dependence on changes in the phase relationship between the current and the voltage in the primary-side tank circuit, a band-pass filter for filtering the signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream.

A wireless power supply system that detects communications in the input power to the switching circuit. In this aspect of the invention, the wireless power supply includes a detector for generating a signal indicative of the current in the input to the switching circuitry, a band-pass filter for filtering the detected signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream. In a second aspect, the wireless power supply system includes a detector for generating a signal that varies in dependence on changes in the phase relationship between the current and the voltage in the primary-side tank circuit, a band-pass filter for filtering the signal, an amplifier for amplifying the filtered signal, a filter for filtering the amplified signal and a comparator for converting the final signal into a stream of high and low signals that can be passed to a controller for processing as binary data stream.

The present invention provides an odor measuring apparatus capable of assuredly detecting and evaluating such odors that cannot be detected by a measurement apparatus using conventional odor sensors. In an embodiment of the present invention, a gas sample to be measured is introduced into the column 10 of a gas chromatograph 1 to temporally separate it into odor components, which are then introduced into a mass spectrometer (MS) 2 and an odor discriminator 3 in parallel. The data processor 51 creates a chromatogram and / or a mass spectrum from the detection signals generated by the detector 24 of the MS 2, and also calculates the similarity of each odor component to standard odors and / or the degree of contribution from the detection signals generated by the detection circuit 33 of the odor discriminator 3. The processor 51 displays a similarity radar chart or similar graphic information on the display 53, where each peak present on the chromatogram is associated with the information. Even if the odor to be measured is a mixed odor, the GC 1 temporally separates it into sample components, and each sample component can be assuredly and objectively detected by the odor discriminator 3.

A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between transmission and reception signals and producing a time series of N reception data from the beat signal, a determining unit determining search areas placed at different ranges of distance from the vehicle while considering a running state of the vehicle and determining a data length for each search area, an extracting unit extracting (N−M+1) time series of short time data, respectively, having the data length corresponding to M reception data from the N reception data for each search area, a producing unit producing phase information from the short time data for each search area, and a detecting unit determining a target distance and a target bearing from the phase information and detecting a target from the target distance and the target bearing.

The invention discloses a seabed ore gathering vehicle, which comprises a body assembly, a power assembly, and an ore gathering mechanism and a traveling mechanism which are arranged on the body assembly, wherein the ore gathering mechanism is assembled in the body assembly through a rotating assembly. The seabed ore gathering vehicle has the advantages of strong adaptability, high traveling efficiency, high operating flexibility, high collecting efficiency, strong bearing capacity and the like.

It is intended to provide a polymer for detecting a fingerprint, which can be easily handled in a scene of the fingerprint detection as a substitute for conventionally employed 2-cyanoacrylate (a monomer), and a composition for detecting a fingerprint. It is also intended to provide a method of detecting a fingerprint whereby a fingerprint can be detected at a high sensitivity regardless of the color or conditions of a specimen and wherein the specimen can be well restored. The present polymer and composition for detecting a fingerprint and method of detecting a fingerprint using the same make it possible to definitely detect a fingerprint by using fluorescence even from an almost white specimen such as a shopping bag or an aluminum foil from which a fingerprint can be hardly detected by the existing methods.

A differential signaling system, wherein a first wiring and a second wiring are coupled between a sending end and a receiving end as a differential signal line. A termination resistor is coupled between the first wiring and the second wiring in the receiving end side. A test circuit is coupled to the termination resistor in parallel, and amplifies and detects a variation of a differential impedance due to the differential signal line. The test circuit includes: a differential test amplifier for amplifying a variation in the differential impedance of the first wiring or the second wiring; a switching unit installed at an input terminal of the differential test amplifier for controlling an operation of the differential test amplifier; and a peak detector for converting an output signal of the differential test amplifier into a direct current component; and a phase detector for detecting a skew, a time delay, and / or a phase difference of a signal inputted to the differential signal line.

The invention relates to a moving object detection method resisting illumination variation. An existing moving object detection method is sensitive to the illumination variation frequently, and therefore when illumination variation occurs in a detection environment, accurate detection for a moving object is difficult. The moving object detection method resisting the illumination variation integrates an asymmetrical inter-frame difference method and a self-adaptation mixed gauss background difference method in inter-frame difference. The moving object detection method resisting the illumination variation includes a first step of preprocessing an input moving image, a second step of respectively conducting asymmetrical inter-frame difference moving object detection and self-adaptation mixed gauss background difference moving object detection, and a third step of comparing moving object results independently obtained through the two detection methods, calculating the moving object results, extracting a comprehensive moving object, filling cavities inside the moving object and filtering out some small interference through mathematics morphological processing. Through the moving object detection method resisting the illumination variation, the moving object can be accurately detected under the normal condition, and meanwhile the accuracy rate can reach over 90% under the condition that the illumination variation of the detecting environment occurs. Therefore, the moving object detection method resisting the illumination variation can meet needs of a monitoring system.

The invention relates to a product edge defect detection method, which comprises the following steps that firstly, a template image and a sample image are input, and then a feature map is constructed by acquiring information such as a centroid, a target contour, a centroid and a deflection angle from the template image and the sample image; an iterative optimization method of a mapping model from a sample image to a template image is constructed by taking a minimum residual sum as a loss function, so that feature map matching is carried out, a global mapping matrix is obtained according to a matching result, a difference image process is completed, and a coarse segmentation region is obtained by using an adaptive threshold value; secondly, for the problem of scarcity of industrial image samples, a large number of artificial defect sample pre-training data sets are obtained through modeling defects, the sample sets are used for pre-training the multi-scale integrated residual neural network, and then a real defect sample set is used for migration training; the obtained result is used for carrying out defect type identification on the coarse segmentation region.

The invention discloses a small target detection method based on robot vision. The small target detection method uses a wavelet transform detection method to detect a small target. After the wavelet transform, the energy of a horizontal sub-graph and a vertical sub-graph are multiplied by a low-frequency sub-graph, a target signal is enhanced through weighting processing, noise signals are suppressed, a clear image is obtained, noise interference is avoided to a certain extent, the method can clearly detect small target objects, and a median filtering technique is used to process live small target images.

An eye opening detection system that includes an imaging mechanism that captures an image of the face of a detected subject, an edge extraction mechanism that extracts the edge of the image captured, and an upper and lower eyelid detection mechanism that detects the upper and lower eyelids of the detected subject according to the edge extracted, and that detects the eye opening of the detected subject with reference to a detected distance between the upper and lower eyelids. The upper and lower eyelid detection detects the upper eyelid and detects the lower eyelid with reference to the upper eyelid detected.

A fault position analysis method and a fault position analysis device for a semiconductor device, through which a fault position of a SiC semiconductor device can be analyzed and specified by an OBI RCH method, are disclosed. The fault position analysis method for the semiconductor device scans and irradiates a device and a circuit on a front surface of a substrate with a laser beam from a rear surface side of the substrate of the semiconductor device to heat the device and the circuit. It causes a current to flow to the device and the circuit while being heated, detects a change in a resistance value caused by a change in a current, and analyzes the fault position. The semiconductor device is a semiconductor device which uses an N-doped SiC substrate. Laser beams having wavelengths of 650 to 810 nm are used.

Method, apparatus, and computer-readable media to manage undesired sound sources in microphone pickup / focus zones preferably mitigates one or more of the undesired sound source(s) in a space having a plurality of microphones and at least one desired sound source. Preferably, at least one microphone input receives plural microphone input signals from the plurality of microphones in the space. Preferably, the least one processor is coupled to the at least one microphone input and receives the plural microphone input signals. Preferably, the at least one processor determines plural micro-zones in the space. Preferably, the at least one processor determines a threshold sound field level for each micro-zone based on received plural microphone input signals that correspond to the one or more undesired sound source(s). Preferably, the at least one processor recognizes a desired sound source when received plural microphone input signals exceed one or more threshold sound field level.

A piezoelectric actuator includes: a ring-shaped piezoelectric element, vibration of the piezoelectric element being transmitted to an object; a first vibration area and a second vibration area provided on both sides of a bisector bisecting the piezoelectric element along a diameter of the piezoelectric element, the first vibration area and the second vibration area being respectively provided with at least one drive electrode to which a drive signal is supplied, the drive electrode being arranged substantially axisymmetrically with respect to the bisector, the drive signal including a phase-advance drive signal and a phase-delay drive signal having a predetermined drive phase difference, the phase-advance drive signal that is phase-advanced relative to the phase-delay drive signal being supplied to one of the first vibration area and the second vibration area and the phase-delay drive signal that is phase-delayed relative to the phase-advance drive signal being supplied to the other of the first vibration area and the second vibration area; and a detection electrode that detects vibrating condition of the piezoelectric element to output a vibration signal, the detection electrode being provided on at least one of the first vibration area and the second vibration area to which the phase-delay drive signal is supplied, the drive of the piezoelectric actuator being controlled based on a detected phase difference between one of the phase-advance drive signal and the phase-delay drive signal and the vibration signal.

A target detecting apparatus mounted on a vehicle has an electronically agile radar detecting a beat signal indicating a difference in frequency between transmission and reception signals and producing a time series of N reception data from the beat signal, a determining unit determining search areas placed at different ranges of distance from the vehicle while considering a running state of the vehicle and determining a data length for each search area, an extracting unit extracting (N−M+1) time series of short time data, respectively, having the data length corresponding to M reception data from the N reception data for each search area, a producing unit producing phase information from the short time data for each search area, and a detecting unit determining a target distance and a target bearing from the phase information and detecting a target from the target distance and the target bearing.

Provided is a foreign matter inspection method for positively detecting a foreign matter in the neighborhood of the edge of a mirror-finished substrate without fail. Edge-emphasis and binarization are performed following the taking of an image of a substrate-under-inspection at a contour of its inspection area, to further detect a plurality of sampling points representative of a contour of the inspection area. An estimated inspection area is determined by determining the size, position and rotation angle of contour lines defined, size-reducibly, from the coordinates of the plurality of sampling points. After applying a mask to the binary image data in an area other than the estimated inspection area, a foreign-matter detection step is performed.

The present invention is directed in part to a method for detecting a target nucleic acid using detector oligonucleotides detectable by mass spectrometry. This method uses the 5' to 3' nuclease activity of a nucleic acid polymerase to cleave annealed oligonucleotide probes from hybridized duplexes and release labels for detection by mass spectrometry. This process is easily incorporated into a PCR amplification assay. The method also includes embodiments directed to quantitative analysis of target nucleic acids.

The disclosure concerns a method for monitoring and / or controlling a quality of spot weldings of a processing island, comprising at least two welding controls on one or more workpieces, wherein the method is based on a comparing of the measured values and an outputting of a fault message taking place from a central control of the processing island, the central control being in communicating connection with every welding control, in order to control them appropriately in dependence on all of the measured values and the predefined tolerance margin, the welding controls being in communicating connection with one another.

Methods and apparatus are disclosed for improving the sensitivity, angular resolution and range of motion detectors, occupancy sensors and similar systems. Specifically, an improved infrared input section is described which employs at least one additional lens, possibly segmented, before a lens array. This pre-focusing lens collects incident infrared radiation over the entire entrance aperture and partially focuses it onto one element of the lens array. The final lens array which focuses the radiation onto a detector may be an array of Fresnel lenses as in the prior art, an array of microlenses or a diffractive optics array. It is also possible to implement this system is such a way that moving infrared sources at any angular orientation will be detected as opposed to prior art systems in which only sources which cross the planes separating an array of angular sectors are detected.

A method for determining positions of fingers of a user is described. The method includes transmitting a power signal from a head mounted display (HMD) to provide power to a plurality of light emitters. The light emitters emit light in a sequence upon receiving the power signal. The method includes using the light emitted by the light emitters to determine a plurality of positions of the light emitters. The positions are used to play a game using the HMD.

An eye opening detection system that includes an imaging mechanism that captures an image of the face of a detected subject, an edge extraction mechanism that extracts the edge of the image captured, and an upper and lower eyelid detection mechanism that detects the upper and lower eyelids of the detected subject according to the edge extracted, and that detects the eye opening of the detected subject with reference to a detected distance between the upper and lower eyelids. The upper and lower eyelid detection detects the upper eyelid and detects the lower eyelid with reference to the upper eyelid detected.

The present invention relates to a chemical sensor arrangement having an analyte sensitive indicator wherein the analyte sensitive indicator has at least one nanoparticle. The invention further relates to a method for providing nanoparticles of defined and different sizes, especially for a chemical sensor arrangement, wherein a nanoparticle solution, having nanoparticles of a broad size distribution, is applied to chromatography beads, whereby the nanoparticles are adsorbed onto said beads and classified by size, and beads of a specific layer, having nanoparticles of essentially the same size, are separated from the beads within other layers and are held in suspension.