47results about How to "Optimize the identification method" patented technology

A display device includes a first light-transmissive glass plate having a first electrode for connection to a power supply, a second light-transmissive glass plate having a second electrode for connection to the power supply, a light dispersing element sealed between the first and second glass plates for transmitting light when voltage is applied and dispersing the light when the voltage is not applied, a light-transmissive transparent element laminated on the second glass plate and having a predetermined refractive index, a light guide plate laminated on the transparent element and having a refractive index lower than the transparent element for surface-emitting the light toward a side viewed by a user, a light emitting part provided on a lateral side of the light guide plate for emitting light, and a display control part for turning on or off the voltage applied to the first and second electrodes.

The invention discloses a currency identification method and a currency identification device. The currency identification method comprises steps that an infrared transmission image of to-be-identified currency is acquired; position, direction, and characteristic information of optically variable ink in the infrared transmission image are determined; the version information and the denomination information of the to-be-identified currency are determined. By identifying the position, the direction, and the characteristic information of the infrared transmission image of the currency, the version information and the denomination information of the currency are further determined, and an effect of determining version information and denomination information of Hong Kong dollars quickly and accurately is achieved.

The invention discloses a traffic sign display device, a traffic sign identification method and device, equipment and a medium. The traffic sign display device includes a pattern display area, whereinthe pattern display area is used for displaying an electronic identification pattern, the electronic identification pattern is associated with the current traffic sign information and the advance notice traffic sign information, and the electronic identification pattern is a two-dimensional code pattern and/or a web address character pattern. The method is advantaged in that problems of low identification standardization degree of traffic signs and less information carrying amount of texts and graphs in the prior art are solved, the effect of large amount of information carried by the electronic identification pattern is realized, the traffic signs are improved, and achievement of the automatic driving technology is facilitated.

The invention belongs to the technical field of identity recognition and relates to a palm print recognition method based on cross gradient encoding of an image with stable characteristics. The palm print recognition method based on cross gradient encoding of the image with the stable characteristics comprises the steps that an angular point between the index finger and the middle finger in the palm print image and an angular point between the ring finger and the little finger in the palm print image are detected respectively, rotary correction is conducted on a tangent line which is formed through the two angular points, and then the image of a region of interest in the original palm print image is defined; an energy functional model is established after an normalized palm print image is obtained through conducting grey level normalization on the image of the region of interest, the image with the stable characteristics is obtained through solving, and then cross gradient encoding is carried out on the image with the stable characteristics to obtain cross gradient encoding characteristics which can be used for palm print matching and recognition; a matching result is output automatically after matching of a palm print is achieved. The palm print recognition method based on cross gradient encoding of the image with the stable characteristics has the advantages of being simple, high in recognition accuracy, low in algorithm complexity, short in recognition time, and high in anti-interference performance.

The invention provides an aircraft landing gear state judgment method based on image recognition, and the method comprises the following steps: 1), continuously collecting an aerial target image through an image collection module erected on an aircraft runway; 2) identifying an airplane and the position of the airplane in the aerial target image by adopting an airplane identification model; 3) acquiring the flight state of the aircraft according to the group of image sequences obtained in the step 2); 4) extracting an aircraft image from the aircraft identification result; 5) identifying the undercarriage in the aircraft image by adopting an undercarriage identification model; 6) extracting an undercarriage image from the undercarriage recognition result, and 7) comprehensively judging whether the folding and unfolding state of the undercarriage is correct or not by combining the flight state of the aircraft and the undercarriage image. According to the invention, through accurate identification of the aircraft landing gear and in combination with the aircraft flight state, state judgment of the landing gear is effectively achieved, and the accuracy and stability of detection are improved.

The invention discloses a lane line recognition method and device, computing equipment and a computer storage medium, and the method comprises the steps: obtaining the motion state data of a vehicle at a current moment t, predicting the pose condition of a lane line at a moment t+deltat, and obtaining the lane line pose prediction data at the moment t+deltat; when the t+deltat moment is reached, obtaining lane line pose observation data at the t+deltat moment according to a lane line parameter equation determined based on the road image at the t+deltat moment; performing fusion processing on the lane line pose prediction data at the t+deltat moment and the lane line pose observation data at the t+deltat moment to obtain target lane line pose data at the t+deltat moment; and fitting the pose data of the target lane line at the t+deltat moment to obtain a fusion parameter equation of the lane line at the t+deltat moment. According to the scheme, visual detection and motion state data ofthe vehicle are fully fused, and high-precision and high-robustness lane line identification is realized.

The invention provides an active excitation type multi-frequency induced current cable identification method and device. The active excitation type multi-frequency cable identification method comprises steps of using a loop formed by a cable armoring layer, grounding wires and the ground as a secondary coil, generating a coding AC signal through an excitation source to drive a primary coil, generating induced voltage with a specific curve in the secondary coil, generating coding loop current with corresponding characteristics through induction in the loop formed by the high voltage cable armoring layer, grounding wires on two ends and the ground, collecting induction loop current through a high accuracy current mutual inductor, and obtaining cable grounding impedance to realize monitoring of state and characteristics of a cable. The active excitation type multi-frequency cable identification method and device can finish on-site multi-point networking through coding induced current autonomous communication on the high voltage or extra-high voltage cable which is generated through active excitation and then realize cable whole circuit identification and tracking.

The invention provides an application operation method and a mobile terminal. The display screen of the mobile terminal comprises a main body display area and a protruding display area protruding fromthe main body display area. the application operation method includes receiving a first input; in response to the first input, displaying a first application icon of a first application on a first display portion of the protruding display area, displaying a split application icon of a split application on a second display portion of the protruding display area, and displaying an application interface of one of the first application and the split application on the body display area, wherein, the split-body application and the first application are the same application that can run independently from each other, the tedious switching operation is avoided, and the convenience of the operation is improved.

The invention discloses a method and system for identifying the queuing number of battery replacing users of a battery replacing station, and the method comprises the steps: setting a virtual fence according to the position of the battery replacing station, and enabling the range of the virtual fence to cover the range of the battery replacing station; receiving user information uploaded by a user, wherein the user information comprises position information of the user; and judging whether the user is located in the virtual fence or not according to the position information, and if so, determining that the user is a queuing user. The queuing number of the battery replacing users in the battery replacing station can be recognized and obtained in real time in a full-automatic mode, the usersneeding to replace the batteries can obtain the queuing number in the battery replacing station in advance, and therefore the battery replacing time can be arranged to reduce unnecessary waiting, theburden of workers of the battery replacing station can be reduced, and power exchange resources can be distributed more reasonably.

The invention discloses an ergonomic mobile hard disk fingerprint mute optical mouse and a fingerprint identification method thereof, being characterized in that mouse left key second-generation fingerprint identification devices are each fixedly mounted below the mouse left key, below the mouse right key and in the shell on the left side surface of the mouse respectively for fingerprint identification; a mobile hard disk chip is mounted at the tail in the mouse; a mouse internal photoelectric device, a mobile hard disk chip, three mouse left key second-generation fingerprint identification devices and a USB interface mouse computer connecting line are connected in the mouse through a USB three-in-one line; the mobile hard disk switch is located in the transverse center of a shell on the bottom face of the mouse; the distance between the mobile hard disk switch and the front end of the mouse is within 1/2 of the longitudinal length of the mouse; and the built-in timer is connected withthe three mouse left key second-generation fingerprint identification devices in series. The ergonomic mobile hard disk fingerprint mute optical mouse has the advantages of being diverse in functionand convenient to carry. The fingerprint identification method of the ergonomic mobile hard disk fingerprint mute optical mouse has the characteristics of safety, simplicity and convenience.

A time measurement device includes: a higher-digit indication hand that is configured to indicate a higher digit of a measured time; a lower-digit indication hand that is configured to reciprocate and indicate a lower digit of the measured time on a forward route and on a return route; a first drive unit that is configured to drive the higher-digit indication hand; a second drive unit that is configured to drive the lower-digit indication hand; a time counter that is configured to measure a time; a first drive controller that is configured to control the first drive unit to drive the higher-digit indication hand based on the measured time measured by the time counter; and a second drive controller that is configured to control the second drive unit to drive the lower-digit indication hand based on the measured time measured by the time counter, the second drive controller reciprocating the lower-digit indication hand at a predetermined period, and the first drive controller moving the higher-digit indication hand at a time interval equal to or less than a half of the predetermined period.