36results about How to "Improve misjudgment" patented technology

The invention relates to an obstructive sleep apnea-hypopnea syndrome (OSAHS) screening method and a device. Formant characteristics of snore are adopted as technical indexes for screening OSAHS; Snore sections are extracted by a short-time energy method at first, then LPC (linear predictive coding) is used for modeling, after predicting factors of the LPC are obtained, a first formant frequency of each snore section is obtained by a root extraction method, as ranges of formant frequencies of different modes are different, the different snore sections can be distinguished, all first formant frequencies of all snorers are classified, by the aid of K mean values, and thresholds for distinguishing normal snore and abnormal snore of individuals are determined according to classified results; and then AHI (apnea-hypopnea indexes) in a PSG (polysomnogram) are simulated so that average times of apnea and hypopnea of the snorers within an hour are obtained. According to the OSAHS judgment standard, whether the data section has snore of a normal person or snore of a patient with the OSAHS is judged. The obstruction sleep apnea-hypopnea syndrome screening method and the device are low in cost, high in applicability and simple in operation and are non-contacting.

The invention discloses a method for real-time detecting image dead dot pixel, which is applied in a digital camera to real-time detect dead dot pixel existing in images so as to find out pixels which need restoring when the digital camera acquires images. Through real-time detection, the labor power and labor hour which are spent on the dead spot correction program in the production of digital cameras are decreased, and also the storage space used for storing dead dot pixel information for a digital camera is decreased; more importantly, in the process of detection, dead pot pixel can be judged according to different attributes of images thus dynamically adjusting threshold value; therefore, that what happens to the dead pot pixel can be more accurately mastered thus reaching the effect of improving the quality of images.

The invention discloses a warm air blower control method. The method includes a step of setting automatic control by a user and a step of running automatic control, the step of setting automatic control includes comparing environment temperature, namely, when the user sets temperature, comparing a difference value between the environment temperature Tr and user-set temperature Ts with a specified upper-limit temperature value and a specified lower-limit temperature value, the step of running automatic control includes that a main controller controls a heater and an air blower to be turned on and off according to comparison results in the step of comparing environment temperature to realize different running modes. By the warm air blower control method, a warm air blower is enabled to meet real requirements of the user more timely and more accurately to realize good heating effect, and the warm air blower is enabled to automatically correct misjudgment and misoperation.

The invention relates to detection equipment, a detection method and device and a storage medium. The detection equipment comprises a radar module used for emitting radar waves, receiving echoes returned based on the radar waves, and determining motion parameters of a detection object in a radar wave action range according to emission parameters of the radar waves and receiving parameters of the echoes; an infrared detection module used for detecting infrared change parameters in the detection space; and a processing module connected with the radar module and the infrared detection module andused for determining whether a target object exists in the detection space or not according to the motion parameters and the infrared change parameters and determining the state of the target object when the target object exists so as to obtain a determination result. Thus, by integrating the radar module and the infrared detection module in the same equipment and combining the functional advantages of the radar module and the infrared detection module, whether a human body exists or not can be accurately judged, the state of the human body can be determined, and better detection service is provided.

The invention provides a touch panel which comprises a first base plate, a second base plate, a first sensing layer, a second sensing layer and a plurality of clearance objects, wherein the second base plate and the first base plate are arranged in parallel and are opposite to each other up and down. The first sensing layer is configured on the first base plate, and is positioned between the first base plate and the second base plate; and the second sensing layer is configured on the second base plate. The clearance objects are positioned between the first sensing layer and the second sensing layer, and comprise a plurality of removable first clearance objects and a plurality of second clearance objects fixed on the second base plate, wherein each first clearance object is surrounded by part of second clearance objects.

The invention relates to a bit extending system and a bit extending method for analog-to-digital conversion. The bit extending method mainly comprises the following steps that a signal amplification module amplifies inputted analog signals into various analog amplification signals with gain ratios, a comparator judges whether the various analog amplification signals with the gain ratios exceed a preset voltage range or not; an analog amplification signal which has the highest gain ratio and does not exceed the voltage range is selected to be inputted in an analog-to-digital converter so as to be sampled and quantified into digital data, and the digital data are transferred rightwards according to the corresponding gain ratio. The gain ratio of an amplifier is not required to be adjusted, so that the noise is avoided, and sampling, quantification and judgment on the level of voltage are not required to be finished by the amplifier and can be finished by the comparator of which the cost is much lower than that of the analog-to-digital converter.

The invention discloses an automatic acquisition method of Chinese reduplication words. A reasonably-structured quintuple model is utilized for carrying out statistics on linguistic data obtained after word segmentation so as to obtain candidate sets of kinds of reduplication words, and on this basis, automatic acquisition of the AAB type reduplication words, the ABB type reduplication words, the ABA type reduplication words, the ABAB type reduplication words and the AABB type reduplication words is achieved through calculation and judgment of the reduplication degree; on the basis of judgment of the reduplication degree, automatic acquisition of the AA type reduplication words is further achieved through calculation and judgment of left adjacent entropy and right adjacent entropy. According to the method, quantified judgment and automatic acquisition of the reduplication words are achieved according to statistical information obtained by the reasonably-structured quintuple model and judgment of the reduplication degree and the information entropy. As is shown in experiments, the method is high in accuracy and beneficial for carrying out informatization processing on natural languages more accurately, has very obvious practical significance in the natural language processing field and can be widely applied and popularized.

The invention belongs to the fields of new energy development and power system optimization, and relates to a dynamic maximum power point tracking technology based on power prediction. The dynamic maximum power point tracking technology based on the power prediction comprises the steps that output power of a photovoltaic cell is predicted by a power prediction method under the same voltage condition; and a perturbation step size of a perturbation and observation method is adjusted dynamically and in real time by a method that the step size changes along with a difference value between output power and a maximum power point of a photovoltaic power generation system. According to the dynamic maximum power point tracking technology based on the power prediction, the misjudgment problem existing in the perturbation and observation method can be solved, the oscillation problem of the perturbation and observation method at the maximum power point position is solved, and power generation efficiency and working stability of the photovoltaic cell are improved.

The invention discloses a falsifying-preventing electronic strip seal. The falsifying-preventing electronic strip seal is composed of an insertion bolt and a bolt base. A bolt body of the insertion bolt comprises a rod body, a cap head extending outwards from the top end of the rod body, a vertically-through containing hole and a first clamping structure located at the bottom edge of the rod body. A counterbore with the inner diameter larger than or equal to a bolt hole is formed in the top edge of the containing hole in an outward-extending mode. A circuit board is installed in the containing hole and comprises a circuit wire, a lower contact, an upper contact and an RFID chip, wherein the lower contact and the upper contact are connected with the circuit wire, and the RFID chip is installed on the circuit wire. A third buckling part larger than the containing hole is installed below the containing hole, an upper elastic sheet abutting against the bottom end of the counterbore and an upper elastic sheet abutting against the bottom face of an upper cover are installed at the top end of the containing hole and used for elastically suspending the circuit board in the containing hole, and the upper contact is controlled to be incapable of being electrically connected with the upper cover; however, when the first clamping structure is inserted into the bolt base and can not be separated, the RFID chip can be electrically connected with an antenna inside the bolt base through the lower contact, and the upper contact can be electrically connected with the upper cover to enable the bolt body to form an external antenna of the RFID chip.

The present invention belongs to the technical field of shaft forging flaw detection, and discloses a rapid elimination method for a shaft forging flaw detection phantom wave. The rapid elimination method is based on phantom wave production factor analysis, is obtained through practice summarization, and comprises the following three operation parts: adjusting the repetition frequency of a flaw detection instrument, changing the frequency of a probe, and increasing a detection sound path, wherein ultrasonic wave flaw detection is performed again through one of the three operation parts, it is determined that the wave F is a phantom wave if the wave F disappears, and it is determined that the wave F is a defect wave if the wave F still exists. According to the present invention, the detection can be performed by using any one of the three detection methods if the appearing signal wave F being the phantom wave or the defect wave cannot be determined, such that the problem of the easy misjudgment of the conventional method is improved, the unnecessary loss is reduced, and the flaw detection accuracy of the shaft forging is improved.

The invention discloses a three-dimensional salient object detection technology of a multi-attention guided neural network. A double-flow neural network is constructed in a two-input mode, and an attention mask graph is generated by using two pieces of information, namely RGB and a disparity map; wherein the mask pattern comprises information of two modes, so that the two modes complement each other, and the principle problem of the disparity map can be avoided; the position information of the object can be quickly determined while the program running speed is increased; secondly, decoding isperformed by using down-sampling coding and up-sampling, and pixels of the image at detail positions are recovered step by step, so that the final accuracy is improved, and the result is closer to thecondition of a real human observation object. The negative effect brought by the principle problem that the pixel is still the highest when the object closest to the disparity map is a non-significant object is solved.

The invention provides a method for improving electricity larceny prevention analysis accuracy based on real-time metering. The method comprises the following steps: 1, preliminarily judging whether an electricity larceny behavior exists in a user electricity meter or not through voltage real-time metering; 2, preliminarily judging whether the electricity larceny behavior exists in the user electricity meter or not through current real-time metering; and 3, judging whether the electricity larcenybehavior exists in the user electricity meter according to the change of real-time metering of the user electric quantity. According to the invention, 1) the total metering value and the data acquired by each user for electricity utilization are obtained based on the unified time reference,and are subjected to difference correlation analysis of long-time sequence, so that the situation of misjudgment or incapability of judging electricity larceny caused by a relatively large line loss error in an electric energy difference method is improved; and 2) the electricity larceny behavior can be detected without additionally adding hardware equipment on the basis of a voltage intelligent algorithm, and the cost is low.

The embodiment of the invention relates to a method and a device for carrying out trembling wave identification on electrocardiosignal data. The method comprises the following steps: acquiring first electrocardiosignal data; performing electrocardiogram data fragment division processing on the first electrocardiogram signal data to generate a plurality of pieces of first fragment data; according to all the first fragment data, performing maximum slope statistical processing to generate first electrocardiogram slope data; carrying out sampling point amplitude overrun frequency statistical processing on each piece of first fragment data to generate first fragment overrun frequency data; performing sum calculation processing on all the first segment of overrun frequency data to generate first electrocardio overrun frequency data; according to the first electrocardio slope data and the first electrocardio over-limit frequency data, a first corresponding relation table reflecting the corresponding relation of the electrocardio slope range, the electrocardio over-limit frequency range and the chattering wave probability is inquired, and first chattering wave probability data is generated. According to the embodiment of the invention, the signal identification precision of the electrocardiograph monitoring equipment can be improved, and the conditions of misjudgment and missed judgment are improved.

The invention relates to a cleaning robot and a material identification method thereof, which is suitable for cleaning robots. The cleaning robot is pre-set with a threshold comparison table and comprises a plurality of comparison thresholds, wherein each comparison threshold defines an interval of accumulated energy information accumulated by the moving plane of different materials within a predetermined period of time. The cleaning robot generates accumulated energy information during the movement, so that the cleaning robot can find the comparison threshold corresponding to the accumulated energy information from the threshold comparison table, and then determines the material of the moving plane contacted by the cleaning robot.

The invention discloses a device for monitoring soluble organic matters in a water body through fluorescence spectrometry and a detection method. The device comprises a stock solution supply assembly,a stock solution separation assembly, a sample collection, detection and dilution assembly, a cleaning and purging assembly and a system control assembly. According to the device disclosed by the invention, physical separation of soluble organic matters in a complex water body according to the volume of the soluble organic matters is realized through organic combination of a micro-filtration membrane, an ultra-filtration membrane and a nano-filtration membrane assembly on a monitoring site, and through measurement of fluorescence spectra of separated solutions, fluorescence spectrum characteristic information is extracted and a recognition comparison database is established; and the device effectively reduces and eliminates information loss caused by fluorescence spectrum overlapping in the mixed water body or covering of weak fluorescence signals by strong fluorescence signals, greatly improves possible result misjudgment of direct water body detection in the prior art, and providesricher, more accurate and finer spectrum identification comparison information for online water quality monitoring, early warning and tracing.

The invention, which relates to the field of traffic management, provides a traffic violation judgment method and device, and a traffic checkpoint. The traffic violation judgment method comprises thesteps that: when information indicating that a first driving speed of a first vehicle is lower than a corresponding minimum speed limit is collected, driving data of a second vehicle are obtained, wherein the second vehicle comprises a vehicle which is adjacent to the first vehicle in the driving direction and passes through a traffic checkpoint before the first vehicle; a safe time interval is calculated according to the driving data and the corresponding safe distance; and whether the first vehicle runs illegally at a low speed or not is determined by utilizing the safe time interval and combining with the collected first time point when the first vehicle passes through the traffic checkpoint. Therefore, low-speed violation misjudgment of the vehicle due to the influence of the precedingvehicle can be reduced, the effectiveness of reporting low-speed violation by the checkpoint equipment is improved, and the labor cost is reduced.

The invention discloses an air conditioner refrigerant leakage detection method including acquiring the maximum pipeline temperature of an evaporator and the minimum pipeline temperature of a condenser in the first preset time length; continuously acquiring the n real-time pipeline temperatures of the evaporator and the n real-time pipeline temperatures of the condenser in the second preset time length; calculating the absolute values of the differences of the maximum pipeline temperature of the evaporator and the real-time pipeline temperatures of the evaporator to obtain n temperature differences of the evaporator, and calculating the absolute values of the differences of the minimum pipeline temperature of the condenser and the real-time pipeline temperatures of the condenser to obtain n temperature differences of the condenser; and determining the refrigerant leakage and executing refrigerant leakage processing procedures when the n temperature differences of the evaporator are less than the preset temperature difference threshold of the evaporator, and the n temperature differences of the condenser are less than the preset temperature difference threshold of the condenser. The invention further discloses an air conditioner refrigerant leakage detection apparatus. The sensitivity of refrigerant leakage detection is high, and the refrigerant leakage can be timely detected to prevent misjudgement.

The invention discloses an anti-lightning monitoring device for power transmission and transformation installation. The monitoring device comprises a monitor main body, an output port is fixedly arranged at the outer surface of the front end of the monitor main body, an input port is fixedly arranged at one side of the output port, and a power port is fixedly arranged at the outer surface of the back end of the monitor main body; a grounding line is fixedly arranged at one side of the power port, a USB interface is fixedly connected with the outer surface of the input port, and a camera is fixedly arranged at one side of the monitor main body; a connecting line is fixedly connected between the USB interface and the camera, an anti-interference device is fixedly arranged at one side of a camera, and a connecting port is fixedly arranged at the outer surface of one side of the anti-interference device. The anti-lightning monitoring device for power transmission and transformation installation disclosed by the invention can record the generation time of the lightning event and the alarm, and can suppress the interference on the camera by an interference signal, thereby bringing betteruse prospect.

The invention relates to a soft-decision method and a signal receiving system thereof, and is used for determining a soft-decision coordinate related to a star graph . The soft-decision coordinate comprises a first soft-decision sub-coordinate and a second soft-decision sub-coordinate. The soft-decision method comprises the following steps: receiving an input signal containing a coordinate value;defining a first coordinate scope having a first boundary value and a second boundary value on a coordinate axis of the star graph; acquiring the first soft-decision sub-coordinate according to the first coordinate scope, defining a second coordinate scope having a third boundary value and a fourth boundary value on the coordinate axis of the stellulate diagram, and acquiring the second soft-decision sub-coordinate according to the first coordinate scope, wherein the first and third boundary values and the second and fourth boundary values are not the same at the same time.

The invention discloses a power control method and system, an optical line terminal and an optical network unit, and relates to the technical field of optical fiber communication. The method includes:the optical line terminal obtains a receiving power of an optical signal sent by the optical network unit in a wavelength channel, compares the receiving power of the optical signal of the optical network unit and a target parameter, and sends an adjusting command to the optical network unit whose receiving power is not in accordance with the target parameter; and the optical network unit adjustsan emission parameter of the optical signal according to the adjusting command. According to the method and system, the optical network unit is controlled to adjust the emission parameter through theoptical line terminal, the power of the optical signal of each optical network unit received by the optical line terminal can be maintained in a certain intensity range, the problem of misjudgment due to different intensities of receiving signals is improved, and the accuracy of the judgment of the receiving signals by the optical line terminal is improved; besides, the side of the optical line terminal no longer needs an automatic gain control function so that the realization difficulty for receiving hardware by the optical line terminal is reduced.

The invention discloses a method for controlling a heater. It includes a user-set self-control step, the user-set self-control step includes: an ambient temperature comparison step, when the user sets the temperature, compares the difference between the ambient temperature Tr and the user-set temperature Ts with the specified upper and lower limits The temperature values ​​are compared; in the self-control operation step, the main controller controls the switch of the heater and the fan according to the comparison result of the ambient temperature comparison step, so as to achieve different operation modes. The control method of the present invention enables the heater to more timely and accurately meet the real needs of users, achieve a good heating effect, and enable the heater to automatically correct misjudgments and misoperations of users.

A method of liveness detection for a computing device comprises acquiring at least one full cycle of a remote photoplethysmography, rPPG, signal from a skin image, extracting at least one rPPG waveform characteristic from the full cycle of the rPPG signal, and determining whether the skin image includes a life according to the extracted rPPG waveform characteristic.

The invention discloses a method of liveness detection and a related device. The method comprises the following steps: acquiring an rPPG signal of at least one complete period from an image containinga skin area, acquiring an rPPG waveform characteristic from the rPPG signal, and judging whether a living body exists in the image or not according to the rPPG waveform characteristic. The computingdevice comprises a processing unit used for executing a program code, and a storage unit connected with the processing unit and used for storing the program code. The program code instructs the processing unit to execute the method. A living body detection device comprises a signal acquisition unit used for receiving an image containing a skin area and acquiring an rPPG signal of at least one complete period from the image; a waveform characteristic acquisition unit which is used for acquiring an rPPG waveform characteristic according to the rPPG signal; and a judging unit which is used for judging whether a living body exists in the image according to the rPPG waveform characteristics.

The invention relates to a soft-decision method and a signal receiving system thereof, and is used for determining a soft-decision coordinate related to a star graph . The soft-decision coordinate comprises a first soft-decision sub-coordinate and a second soft-decision sub-coordinate. The soft-decision method comprises the following steps: receiving an input signal containing a coordinate value;defining a first coordinate scope having a first boundary value and a second boundary value on a coordinate axis of the star graph; acquiring the first soft-decision sub-coordinate according to the first coordinate scope, defining a second coordinate scope having a third boundary value and a fourth boundary value on the coordinate axis of the stellulate diagram, and acquiring the second soft-decision sub-coordinate according to the first coordinate scope, wherein the first and third boundary values and the second and fourth boundary values are not the same at the same time.

Tamper-proof electronic seal. The present invention is composed of a plug and a plug seat. The plug body of the plug has a shaft, a cap head expanding outward on the top of the shaft, a hole running through the upper and lower sides, and a first engaging hole located at the bottom edge of the shaft. configuration. The top edge of the container hole is expanded outward with a countersunk hole with an inner diameter not less than the bolt hole of the door bolt. The hole is equipped with a circuit board, and the circuit board has a circuit wiring, a lower contact connected to the circuit wiring, an upper contact, an RFID chip installed on the circuit wiring, and a third larger than the hole is installed below the hole. The buckle, and an upper elastic piece abutted against the bottom of the countersunk hole, and an upper elastic piece abutted against the bottom surface of the upper cover are installed on the top to elastically suspend the circuit board in the cavity, and to control that the upper contact cannot be in contact with the upper cover. For electrical connection, however, when the first engagement configuration is inserted into the bolt seat and cannot be disengaged, the lower contact can provide an electrical connection between the RFID chip and the internal antenna of the bolt seat, and the upper contact can be electrically connected to the upper cover, so that the bolt body forms An external antenna for the RFID chip.

The invention discloses an emergency lane illegal occupation detection method and device, equipment and a medium, and relates to the technical field of image recognition, and the method comprises the steps: employing a trained target detection model to detect a to-be-detected monitoring image, so as to obtain a target detection frame corresponding to a vehicle target in the to-be-detected monitoring image; determining a mass point coordinate of the vehicle target based on the slope of a lane in the to-be-detected monitoring picture and the current position information of the target detection frame; and determining whether the vehicle target illegally occupies the emergency lane or not based on the position relationship between the mass point coordinates and the emergency lane area in the to-be-detected monitoring picture. Through the file, the problem of poor usability in the detection process can be avoided, and the problem that the target on the common lane is misjudged to the emergency lane due to the visual angle can be avoided. Therefore, the problems of misjudgment and poor usability during illegal occupation detection of the emergency lane can be improved.

The invention proposes a marking method and an initialization method for a non-volatile memory array. The non-volatile memory array includes a plurality of storage units, and each storage unit includes a plurality of bytes. The marking method includes the following steps: determining whether the bytes of each storage unit can be accessed normally; and writing a mark to the storage unit. The initialization method includes the following steps: reading the mark of each memory unit; determining that the mark matches a preset value; recording the memory cells whose marks match the preset value into an identification table; and erasing the marks.