Abstract: A method for indicating to a user the exact location of a parked vehicle includes obtaining a plurality of panoramic images of a vehicle when being driven using a panoramic lens. A direction of driving of the vehicle is identified based on the panoramic images and a determination as to location is made when the vehicle arrives at a parking location. When the vehicle is parked, parking position information is sent to a mobile terminal held by the driver or other user. A vehicle-mounted device for implementing the method is also disclosed.

Abstract: A method for providing driving assistance by detecting and warning against areas on one or other side of the road which are obscured by vehicles in other lanes is based on a HD map and includes acquiring location and driving speed of a vehicle which is carrying an apparatus applying the method. The system of the method includes at least one sensor, and environmental information as to surroundings is acquired with location. The speeds of other vehicles relative to the driving speed of the vehicle are calculated, and an instruction to the driver is generated the speed of the vehicle is less than a first predefined value but the speed of the vehicle relative to the driving speeds of the other vehicles is larger than a second predefined value. The apparatus applying the method is also disclosed.

Abstract: A method for acquiring shadow-free images of a document for scanning or other purposes is applied in a device. The method includes training a shadow prediction model based on sample documents of a sample library and inputting a background color and a shadow mask of each of the sample documents extracted by the shadow prediction model into a predetermined shadow removing network for training, to obtain a shadow removing model. The method further includes obtaining a background color and a shadow mask of the document through the shadow prediction model and removing the shadows of the document based on the shadow removing model. The device utilizing the method is also disclosed.

Abstract: A method for navigating and route planning based on a HD map and with reference to other electronic devices moving along a similar route includes setting a start location and an end location; planning at least one navigation route based on the start location and the end location; acquiring locations of own electronic device and of co-travelling external electronic devices based on the HD map; acquiring speeds of the external electronic devices and selecting those moving at low speed; identifying moving directions of the slow-speed target electronic devices; and re-planning and resetting the at least one navigation route when the moving directions of the target electronic devices intersected with a direction of the lane. An electronic device and a server applying the method are also disclosed.

Abstract: A navigation method is provided. The method includes obtaining a navigation destination of a first navigation application of a mobile terminal. Once the navigation destination is sent from the mobile terminal to a vehicle-mounted device, a second navigation application of the vehicle-mounted device is controlled to navigate based on the navigation destination.

Abstract: A method for displaying information to the occupants of a vehicle includes setting a display-hosting region on a window of a vehicle and obtaining a number of driving parameters of the vehicle. Points of interest (POI) information, such as landmarks, and commercial and other desired locations, which satisfy a number of preset conditions according to the number of the driving parameters are obtained. Facial images and face parameters of occupants are obtained, and POI and associated information can be displayed according to the number of facial parameters. The POI information is displayed to one or more display regions.

Abstract: A traffic safety control method is provided. The method includes determining whether there is an intersection in front of a vehicle. When there is the intersection in front of the vehicle, a driving direction of the vehicle at the intersection is predicted according to a plurality of lane positions of the vehicle that are continuously obtained. A message is transmitted once the predicted driving direction is determined to be conflicting with a traffic rule of the intersection.

Abstract: An electronic device used in a method for expanding image depth obtains first images by a first sensor, the first images comprising depth information. The electronic device obtains second images by a second sensor, the second images comprising gradient information, and the first images correspond to the second images. The electronic device determines the pixels in the first images which contain expandable content according to the gradient information of the second images, applies expansion accordingly to the pixels in the first images to generate third images, and generate target depth maps according to the gradient information of the second images and the depth information of the third images.

Abstract: A method for recognition of characters by optical means in an unclear or non-optimal image of an object document, the image carrying shadows or other impediments inputs the document into a shadow prediction model to obtain a shadow mask. A determination is made as to whether the shadow mask of the document affect an optical character recognition (OCR) performance. The method further inputs the document into a shadow removing model for removal of shadows to obtain an intermediate document if the shadow mask are deemed to affect the OCR performance, then OCR can then be performed on the final object document.

Abstract: A method for providing driving assistance based on a HD map includes acquiring information such as position of a vehicle and timing, and acquiring a speed of the vehicle based on the manner of driving, and acquiring distance an intersection in front of the vehicle and information from a HD map such as traffic light intersection ahead. Deciding such as whether the vehicle can pass through the intersection based on the speed of the vehicle, intersection distance, and the traffic light information and prompting and/or controlling the vehicle if it is determined that passage through is not possible. A vehicle-mounted apparatus applying the method is also disclosed.

Abstract: A traffic safety control method is provided. The method includes obtaining first related information of a road when a vehicle is traveling on a road. Second related information is detected using a detecting device of the vehicle when the first related information indicates that there is the intersection in front of the vehicle on the road. The vehicle is controlled according to the first related information and the second related information.

Abstract: A driving warning method applied to a vehicle-mounted device is provided. The method includes detecting a moving object and a moving direction of the moving object by using at least one external sensor when a vehicle is moving. A driving behavior of a driver of the vehicle is monitored by using at least one internal sensor when the moving object and the moving direction of the moving object are detected. Once the moving direction of the moving object is not parallel to a moving direction of the vehicle and a sight direction of the driver does not cross the moving direction of the moving object, a first warning is transmitted.

Abstract: A method for managing user interface includes displaying related information of an in-vehicle device using a first user interface. An authority of accessing related information of a handheld device is acquired when the handheld device is in communication with the in-vehicle device. Once the related information of the handheld device is obtained, the related information of the in-vehicle device and the related information of the handheld device are displayed using a second user interface.

Abstract: An antenna structure includes a metal frame, at least one feed source, and a feed portion. The metal frame includes at least one radiating portion and at least one slot. The at least one slot is disposed in the at least one radiating portion or adjacent to the at least one radiating portion. The at least one feed source and the at least one radiating portion form a first antenna. The feed portion and the at least one slot form a second antenna. The at least one feed source supplies an electric current for the first antenna, thereby exciting a first working mode and generating a radiation signal in a first frequency band. The feed portion spans the at least one slot to supply the electric current for the second antenna, thereby exciting a second working mode and generating a radiation signal in a second frequency band.

Abstract: An antenna structure applied in a wireless communication device includes a metal frame. The wireless communication device includes at least one electronic component. The metal frame includes a substrate. The substrate includes an antenna. The antenna includes a feed portion and a gap. The feed portion spans the gap. The metal frame is spaced from the electronic component. A clearance is formed between the metal frame and the electronic component.

Abstract: An antenna and antenna module with a structure increasing radio wave coverage but reducing cross interference between modules includes a circuit board in the shape of an octagon and four antenna modules. The circuit board thus includes eight side surfaces, and the four antenna modules are respectively disposed on four non-adjacent side surfaces of the octagon. Each antenna module is electrically connected to the side surface by a feed portion. A wireless communication device using the antenna structure is also disclosed.

Abstract: An antenna structure includes a metal frame. The metal frame includes a first surface, a second surface, and a third surface. The third surface is located between the first surface and the second surface. The metal frame includes at least one antenna. The at least one antenna includes a first gap, a second gap, and a feed portion. The first gap is disposed between the first surface and the second surface. The second gap is disposed in the third surface. The feed portion is mounted on the first surface and spans the first gap. When the feed portion supplies an electric current, the electric current is coupled to the first gap and the second gap.

Abstract: An antenna structure capable of transmitting radio waves in multiple polarizations is positioned on a circuit board. The circuit board includes upper and lower surfaces and peripheral side wall. The antenna structure includes a first antenna array, a second antenna array, and a control circuit. Each antenna unit of the first antenna array is positioned on one of the upper surface or the lower surface, a portion of each antenna unit of the second array is positioned on the peripheral side wall. The other portion of each antenna unit bended and positioned on at least one of the upper surface or the lower surface. In activating the first antenna array and the second antenna array the control circuit can generate radio transmissions in multiple polarizations. A wireless communication device is also provided.

Abstract: An electronic device includes a display screen including a touch display area and a non-touch display area. The electronic device is caused to display, when an application of the electronic device is executed, a first application interface of the application in the touch display area, and generate, when the electronic device receives a first predetermined signal, a second application interface and display the second application interface on the first application interface. The second application interface is displayed adjacent to the non-touch display area. The second application interface includes a number of function buttons respectively corresponding to auxiliary functions. The auxiliary functions include functions corresponding to operating system functions of the electronic device.

Abstract: An antenna structure suitable for 5G use in controlling direction of radio beams and in increasing antenna gain includes a substrate, an array of antennas, a main body, a lens array, a grounding plate, and a high-impedance surface (HIS) layer embedded into the substrate. The array of antenna units is positioned on the substrate surface under the protection of the main body. The lens array includes a lens units for each antenna unit, the lens units concentrate the beams generated by the antenna units. The grounding plate is underneath and grounds the antenna units. The HIS layer suppresses surface waves generated by the lens arrays and the substrate and increases a gain of the antenna structure in certain directions.