68results about How to "No ambiguity" patented technology

The invention relates to a visual inspection technology. In order to meet the requirements of fast and high-accurate surface three-dimensional (3D) topography online measurement and the detection requirements of a production line on intelligence, fastness, high accuracy and low cost, the invention adopts the technical scheme that: a high-speed scanning and overall imaging 3D measurement method comprises the following steps of: carrying out external modulation on a driving power supply by using a laser so as to control the output of a word line laser; rotating a multifaceted prism under the drive of a high-speed motor, wherein line-structured light outputted by the laser is reflected and projected to the surface of a measured object by the multifaceted prism; and placing a photoelectric detector at a position which is the limit position projected by the line-structured light during the rotating process of the multifaceted prism, carrying out exposure on an area-array CCD (Charge-Coupled Device) camera during the process that the line-structured light scans the whole area, and establishing a measurement model, wherein the 3D coordinate (xp, yp, zp) of the surface feature point of the measured object is obtained according to a formula by using an image coordinate (u[theta]p, v[theta]p) formed by the area-array CCD camera and [theta]p. The high-speed scanning and overall imaging 3D measurement method is mainly applied to the fast and high-accurate surface 3D topography online measurement.

The invention provides a method for generating an electronic map. The method includes a data collecting procedure, a data storage procedure and an electronic map displaying procedure, wherein the data collecting procedure includes a step of collecting vector data and additional data corresponding to the vector data; the data storage procedure includes the steps of storing the collected vector data and the collected additional data in a server database, enabling the vector data corresponding to different types of main body elements to be stored in a plurality of layers, and enabling the vector data of each type of main body elements to be stored in one layer; the electronic map displaying procedure includes the steps that an electronic map displaying end obtains the vector data and the additional data from a server, draws vector diagrams corresponding to each layer of vector data layer by layer according to the vector data in each layer, and adds the additional data related to main body element identification data (ID) in the layer of vector data, and consequently the electronic map is generated in a displaying device.

The invention provides a head-up display system, comprising an image generation device, a diffusion unit and an imaging unit. The image generation device projects image information in the form of visible light. The visible light radiates the diffusion unit and forms a solid image; the imaging unit reflects the solid image coming from the diffusion unit to the eyes of a driver, thus forming a virtual image corresponding to the solid image; wherein, the length from the solid image to the imaging unit is equal to the length from the virtual image to the imaging unit. The head-up display system of the invention can also project the visible light to the imaging unit and reflect the visible light to the diffusion unit; subsequently, the visible light can be reflected to be imaging unit from the diffusion unit so as to form the virtual image.

The invention provides a photographing method and electronic equipment. The method is applied to the electronic equipment. The electronic equipment comprises an image acquisition device which can determine different acquisition regions according to different focal lengths. The method comprises the following steps: determining the current acquisition region of the image acquisition device; obtaining first voice input; determining the focus of the image acquisition device as the first subregion of the current acquisition region based on the first voice input; matching the first subregion with the first voice input; focusing the focus to the first subregion; saving the first image of the current acquisition region obtained by the image acquisition device, wherein the clarity of the first region of the first image is higher than that of a second region except the first region in the first image, and the first region corresponds to the first subregion.

The invention provides a measuring method for the relative pose of a non-cooperative spatial circular object. The method comprises the following steps: providing left and right cameras to shoot left and right images formed by the spatial circular object, wherein images of the spatial circular object comprise a left ellipse and a right ellipse; carrying out non-linear least square fitting to detect ellipses or approximate ellipses and using the detected ellipses or approximate ellipses as candidate ellipses; recognizing the left ellipse and the right ellipse from the candidate ellipses according to epipolar constraint relationship between the left ellipse and the right ellipse; respectively determining a left projection equation of a spatial circle and a right projection equation of the spatial circle according to an equation coefficient of the left ellipse and the equation coefficient of the right ellipse generated by fitting the left ellipse and the right ellipse so as to obtain two sets of pose solutions of the spatial circle; and converting one of the two sets of pose solutions of the spatial circle to the spatial coordinate system of the other set according to the positional and attitude relationship between the left and right cameras and determining the optimal pose solutions of the spatial circular object according to the principle that an included angle is the smallest. The measuring method provided by the invention can overcome the problem of ambiguity in the process of pose resolution.

The invention discloses a method systems and related devices to detect network communication quality of the. The method includes: server-side configuration according to the communication ports, in the IP-based transport layer on layer of constant time interval sent to the client detection information packets; Received a packet of information to the client returned to the response server information packets; According to the server configuration seized Measuring information, or receive information packets in response, or the configuration of information and receive information packets in response statistics are statistics and information; According to statistical information based on the IP layer determine the transport layer of network communication quality, in view of the IP-based network transport layer conducted effective communication quality testing , making the quality of network communications Detection be stratified. Since the invention of the server-side configuration of the client communications ports, clear reception of the information packets on the side, there will not be sent to other places as well.

The invention discloses an online roadbed compactness detection method based on machine vision and belongs to the field of roadbed compactness detection method. The online roadbed compactness detection method comprises the following steps of: (1) establishing a vision measurement system: a measurement system for one compactness sampling point consists of a CCD ( Charge Coupled Device ) camera, a sampling mark feature point and a mark pile; (2) image processing: the CCD camera collects the image of a compaction site and obtains three crossed shapes of the mark pile through fitting, and the image coordinate of the center of sampling mark feature point and the long axis and short axis parameters of an ellipse are extracted; (3) settlement calculation: the vertical distance between the center of the sampling mark feature point and a selected reference point of the mark pile is obtained through calculation, and the settlement of the compaction operation is obtained; and (4) roadbed compactness calculation: the settlement is substituted into the settlement-compactness mathematical model. The online roadbed compactness detection method takes images as the carrier for detection and information transfer; and as image data is stored in a computer, construction documents can be well saved, and the quality and efficiency of compaction operation are improved.

The invention discloses a GNSS dynamic Kalman filtering method in cluster autonomous cooperation. The method comprises the following steps: calculating a double-difference observation value, calculating an observation equation, calculating a double-difference pseudorange observation value, calculating a double-difference pseudorange observation equation, calculating a double-difference observationequation based on a pseudorange and a carrier phase, and listing the double-difference observation equation and Kalman filtering calculation. According to the invention, the receiver clock error andthe satellite clock error are eliminated by calculating the double-difference observation value. Satellites with high elevation angles are called as the first choice of reference satellites. The accuracy of each double-difference observation value is ensured. Pseudo-range measurement values corresponding to different stations and between satellites form a double-difference pseudo-range, and the corresponding double-difference pseudo-range is smoothed by utilizing a double-difference carrier phase, so that the measurement noise of a double-difference pseudo-range observation value is reduced, and the smoothed or filtered double-difference pseudo-range observation value has the advantages of relatively low measurement noise and no integer ambiguity.

The invention provides a text-summarization generating method based on a neural network. The text-summarization generating method based on the neural network includes the steps that an input documentis subjected to word segmentation and vectorization expression, and word vectors are obtained; all obtained word vectors of all sentences are input into a first layer of a first circulation neural network in sequence, and state vectors of the sentences after current word vectors of the sentences are input are obtained, wherein the state vectors of the corresponding sentences after the last word vectors of all the sentences are input represent sentence vectors of the sentences; all the sentence vectors are input into a second layer of the first circulation neural network in sequence, and corresponding document state vectors after all the sentences are input into the document are obtained, wherein the corresponding document state vector after the last sentence is input is a state vector of the whole document; expression of the input document is decoded through a second circulation neural network, and summarization is generated. According to the text-summarization generating method basedon the neural network, the cost problem when summarization is manually generated is solved, and meanwhile the information fragmentation problem and the information ambiguity problem which are caused by a sentence extraction method are solved.

The objective of the present method and apparatus is to provide a portable diagnosis system for a quick and reliable method to examine the conditions of a human eye-lens. The method provides precise and safe technique for the early diagnosis of Alzheimer's Disease (AD) which is not involved brain surgery or biopsy. The detection of deposited layers of amyloid plaque in the eyes of the patient has been discovered to be a possible diagnosis solution. The disclosed method uses terahertz waves instead of laser for scanning the eye of the AD patient to precisely image the amyloid layer non-evasively in real time and to map the deposited plaque with high resolution which can easily distinguish the abnormality of an AD patient with the comparison of the patient eye-lens test to the available signature of a normal person and the signature of a person with common age-related cataracts.

The invention makes it possible to select an element from a list of elements represented by icons. A first element is selected by affixing a graphics distinction on its icon. When the user activates and holds a command, said graphics distinction moves from the first icon to a second icon. A second element is selected when the graphics distinction occupies at least one determined area of the second icon representing this second element. According to an improvement, the graphics distinction moves from icon to icon, totally overlapping only a single icon at a time. The invention also relates to a device able to execute the method of selecting an element by moving a graphics distinction.

The present invention relates to an antenna arrangement comprising a first and third set of antenna elements, being arranged as a first and third column and aligned along a first and third symmetry axis, respectively, each column comprising elements being operative in a first frequency band (f1) and elements being operative in a second frequency band (f2). The antenna arrangement further comprises a second set of antenna elements, being arranged as a second intermediate column along a second symmetry axis, said second symmetry axis being parallel to said first and third symmetry axes, and being operative in said second frequency band (f2), wherein the ratio of said second centre frequency (f2) to said first centre frequency (f1) is in the range 1.5 to 3. The distance between said first and third symmetry axes is less than or equal to 0.6 times the wavelength of said first centre frequency (f1), and the distance between said second and said first and third symmetry axis, respectively, is less than or equal to 0.6 times the wavelength of said second centre frequency (f2).

The invention discloses an application-activated channel monitoring method which is suitable for being executed in calculation equipment. The calculation equipment stores click data aiming at different applications under different promotion activities of users; the click data includes a master key, master key attributes and click time; the master key includes application identification and equipment identification; and the master key attributes include promotion activity identification and click identification. The method comprises the following steps: when an application is activated, acquiring the activation data of the application, wherein the activation data includes application identification, equipment identification and activation time; combining the application identification and the equipment identification to obtain a query master key, and finding the master key attribute of which the master key is identical to the query master key and the click time is earlier than the activation time from the click data by adopting an SQL query mode; and determining the corresponding promotion activity and the corresponding click channel according to the found master key attributes. Theinvention also discloses the corresponding calculation equipment.

An input method for Chinese characters takes the Chinese mandarin phonetic system and the Scheme of the Chinese Phonetic Alphabet as the tone-setting standard for Chinese characters. 26 Latin letters and 23 international universal letters mainly taking Greek letters are used to form an alphabetic writing scheme with the Chinese characters input by 49 letters. Initial and final consonants are converted into letters, the initial and final pronunciations and inflexions are fixed according to initial-final collocation complementary rule. The tone of letters is marked, and the light tone is marked according to real pronunciation. The Chinese characters with the same syllables and the same tone are divided into four large classifications and 28 meaning classifications. 27 meaning classifications are provided with meaning alphabets. A spelling rule of initial plus final plus tone plus meaning alphabet is adopted. The meaning alphabets define the characters, so that the Chinese language corresponds to the Chinese characters, and the characters are not selected when input. The sound, form and meaning characters are kept by using a Chinese character ideogram complementation rule. 43 types of basic strokes of the Chinese characters are summarized, and correspond to the Chinese language letters and form Chinese character basic stroke constitution codes. The character detection can be completed by inputting the Chinese language alphabet codes according to all of the strokes of the Chinese characters without based on order of strokes, and the Chinese language spelling and pronunciation having form without pronunciation are accessorily input or detected.

The invention relates to an aluminum car body joint rigidity evaluation method based on CAE analysis. The method comprises the following steps of building an aluminum car body finite element model, and determining a joint reference point; according to the determined joint reference point, intercepting the aluminum car body finite element model, applying restriction and determining a loading point to obtain an aluminum car body joint model; performing rigidity processing on the aluminum car body joint model, and obtaining a rigidity joint model; calculating joint rigidity inside the aluminum car body joint model and the joint rigidity inside the rigidity joint model, then, obtaining an evaluation value of the aluminum car body joint rigidity through calculation, and evaluating the aluminum car body joint rigidity according to an evaluation value. Compared with the prior art, the aluminum car body joint rigidity evaluation method has the advantages of being small in man-made interference and high in accuracy, shortening the design cycle, lowering the design cost and the like.

The invention discloses a data receiving method and device. The data receiving method includes the following steps: when an RLC layer receives PDU data, the SN of the PDU data is n, if n is located within a receiving window and higher than a current highest received SN variable, the recorded highest received SN variable is updated to n if the received PDU data are a first fragment packet or a middle fragment packet; and the highest received CN variable is updated to N+1 if the received PDU data are complete or are the last fragment packet. By adoption of the data receiving method, even if the RLC cancels a data cascading function, a receiving gap does not exist between fragments of the highest received variable SN and the actually received SN, and no ambiguity is produced.

A system and method for taking data from a known source, breaking it down into its most generic, atomic form, and in so doing removing all ambiguity, and translating the generic data into any type of application. For example, and not by way of limitation, this system and method breaks down personal data into the most atomic, generic form possible such that there can be no ambiguity as to the identity of the person or as to the accuracy and semantic meaning of the data related to that person, with such generic, atomic-level information transferable into any type of digital application or transaction.

The invention relates to a general method for coding Chiense character by use of stroke sequence and number as well as relevant keyboard. All strokes of Chinese character are divided into single stroke and composite stroke, and the coding is according to orders of strokes, and the code is a number. The coding principles are 'front code first', 'compromising with visual'. The code of single strokeuses number 1,2,3,4,5,6 for stroke and codes are 1,4,5. The code of composite stroke uses number 0,1,2,3,4,5,6,7,8,9 and the code is the sum of two codes of two single strokes, the largest sum is 12.Number 10, 11, 12 are composite codes, but only 0,1,2 being taken are as codes. The invention provides features of scientific coding, easy to operate, easy to learn, short length of dynamic code and expandability. It can be used in mobile phone, palm, computer, etc. information device to fast input, letter, word punctuation, and number.

The invention belongs to a computer technology, and relates to an automatic test method of a flight control system BIT (Built-in Test) based on object abstraction and an automatic test device of the flight control system BIT based on the object abstraction. The automatic test device comprises a data abstraction module, a translation module and a detection module, wherein the abstraction module is used for carrying out data abstraction on test objects, the translation module is used for translating information in requirement description texts of specification language to equipment instructions by using mapping specifications, and the detection module is used for driving equipment to be detected based on equipment instruction sets generated by the translation module. The method uses an abstraction method to describe requirements, so that the requirements are standard and accurate and free of confusion; customized script translation rules implement mapping of the requirements and codes to eliminate the possibility of manual code programming errors; scripts are used to scan the requirements to automatically realize the requirements so as to not only improve the efficiency but also ensure no errors.

An image processing method, a device, and a movable platform, the method comprising: acquiring a multi-frame image acquired by a photographing device (S201); acquiring attitude data of the photographing device when each frame of image in the multi-frame image is acquired (S202); acquiring a compensation pose of the photographing device corresponding to each frame of image according to the posturedata when acquiring each frame of image (S203); and according to the compensation pose of the photographing device corresponding to each frame of image in the multi-frame image, performing stacking processing on the multi-frame image to obtain a target image (S204).