Abstract: The present application provides a playing method and a playing system. The playing method includes: playing display contents by a first display device; upon receipt of a storage instruction, recording playing position information and sending matching information to a second display device by the first display device; searching, by the second display device, for the first display device that sends the matching information upon receipt of a resuming instruction; pairing the first display device with the second display device; transmitting, by the first display device, the playing position information to the second display device; and resuming, by the second display device, playing the display contents according to the playing position information.

Abstract: A display control device is disclosed herein, which includes a plurality of data generating chips and a plurality of data processing chips, corresponding to one another in a one-to-one relationship. The plurality of data generating chips are configured to receive an image signal. The image signal includes a plurality of image region signals, each corresponding to a different region of an image frame. Each data generating chip is configured to receive, and to conduct data processing to, at least one image region signal to generate image region data, and to send the image region data to a corresponding data processing chip. Each data processing chip is configured to conduct image processing to the image region data from a corresponding data generating chip to generate an image output signal, and to output the image output signal. On this basis, a display method and a display apparatus are also disclosed.

Abstract: A signpost-based navigation method, a computer readable storage medium, and an electronic device that implements the method. The method comprises: capturing a visible light signal emitted by a road sign, the visible light signal comprising multiple pieces of different signpost information; selecting, according to indication information corresponding to a current position of a vehicle on a navigation path, at least one piece of signpost information from the multiple pieces of different signpost information as signpost information of a current signpost; and controlling a shutter of shutter glasses so as to display the current signpost through the shutter glasses.

Abstract: The present disclosure provides a smart headphone. The smart headphone includes a sensor configured to sense external information, a memory configured to store feature information, and a controller operatively connected to the sensor and the memory, respectively, and the controller is configured to compare the external information sensed by the sensor with the feature information stored in the memory, and to control a playback state of audio information in the smart headphone according to the result of the comparison.

Abstract: The present disclosure provides a traffic sign detection method, apparatus, system and medium. The method includes: determining geographic location information of a to-be-detected traffic sign; sending a request message for requesting for obtaining sign formation of the traffic sign, where the request message includes the geographic location information; and receiving the sign formation of the traffic sign corresponding to the geographic location information.

Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.

Abstract: The disclosure provides a method for display control, a display control device and a display control system. The method includes: dividing a single display screen into display regions which are arranged into an M×N array, where M is an integer larger than 1 and N is an integer larger than 1; and controlling respective display regions to display corresponding images, such that the images displayed by all the display regions are allowed to be spliced together to present a picture to be displayed by the display screen.

Abstract: A display control device is disclosed herein, which includes a plurality of data generating chips and a plurality of data processing chips, corresponding to one another in a one-to-one relationship. The plurality of data generating chips are configured to receive an image signal. The image signal includes a plurality of image region signals, each corresponding to a different region of an image frame. Each data generating chip is configured to receive, and to conduct data processing to, at least one image region signal to generate image region data, and to send the image region data to a corresponding data processing chip. Each data processing chip is configured to conduct image processing to the image region data from a corresponding data generating chip to generate an image output signal, and to output the image output signal. On this basis, a display method and a display apparatus are also disclosed.

Abstract: The present disclosure provides an image processing method and system. The method may include: acquiring an image to be displayed; determining a distance between a display device and a user; comparing the determined distance with a plurality of optimum watching distances respectively, wherein the optimum watching distances are acceptable shortest distances corresponding to different resolutions for the display device when the user watches images displayed on the display device in a full vision under a vision limit; and processing the acquired image for displaying, according to a result of the comparing.

Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.

Abstract: The present application provides a playing method and a playing system. The playing method includes: playing display contents by a first display device; upon receipt of a storage instruction, recording playing position information and sending matching information to a second display device by the first display device; searching, by the second display device, for the first display device that sends the matching information upon receipt of a resuming instruction; pairing the first display device with the second display device; transmitting, by the first display device, the playing position information to the second display device; and resuming, by the second display device, playing the display contents according to the playing position information.

Abstract: Provided are a display, a display device, a player, a playing device, and a playing display system. The display comprises at least two first display interfaces, a decode, and at least two data channels. Each first display interface is configured to receive a first image data stream transmitted by a second display interface with which a connection has already been established in a player. The first image data stream includes at least one start data frame and a second image data stream, the start data frame carries a data channel identifier. The decoder is configured to parse each first image data stream, and obtain a data channel corresponding to each second image data stream. Each data channel is configured to receive and output the corresponding second image data stream. The display can ensure that images displayed on a screen will not be ordered, and the operation is simple.

Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.

Abstract: A medical imaging system is disclosed in the present invention, including a medical image acquisition device and medical image processing system. Said medical image acquisition device includes: an acquisition apparatus for acquiring image signals in a medical process from a first viewing angle of a doctor; and a signal processing apparatus for performing a first processing on the acquired image signals and then sending digital image signals in the form of data stream. Said medical image processing system includes: a signal transmission module for receiving a data stream of digital image signals from a medical image acquisition device; and an image processing module for processing the received data stream of digital image signals in real time according to a predetermined image processing method so as to obtain optimized digital medical image signals.

Abstract: The present disclosure provides a smart headphone. The smart headphone includes a sensor configured to sense external information, a memory configured to store feature information, and a controller operatively connected to the sensor and the memory, respectively, and the controller is configured to compare the external information sensed by the sensor with the feature information stored in the memory, and to control a playback state of audio information in the smart headphone according to the result of the comparison.

Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.

Abstract: A device for controlling electrical appliances is described, which includes a projector configured to project a graphical interface having a plurality of image areas representing different electrical appliances respectively; a camera configured to obtain a first image including an operation action of a user on the graphical interface; and a controller configured to determine a target image area and a control instruction corresponding to the operation action according to said first image and to send said control instruction to an electrical appliance corresponding to the target image area.

Abstract: The present disclosure provides a method and an apparatus for stretching an image. The method for stretching an image includes: selecting a corresponding stretching mode according to a mode selection parameter; generating a corresponding stretching filter group according to a stretching parameter and the selected stretching mode, and segmenting input image data into blocks; and processing the input image data segmented into blocks by the stretching filter group, to obtain stretched image data.

Abstract: The present disclosure provides method and device of establishing a navigation route. The method includes: acquiring a user's current position and a destination for the user; and establishing a navigation route between the current position and the destination according to user information and destination information, the user information including the type and/or a current speed of the user, the destination information including the number of people and/or an estimated visit duration at the destination, the destination including ones, at which the user has not yet arrived, of recommended sightseeing spots and/or user-interested sightseeing spots.

Abstract: The present application discloses an image interpolation method for interpolating a pixel and enhancing an edge in an image, comprising detecting an edge position in an image; obtaining edge characteristics associated with the edge position; determining whether an interpolation point is located within an edge region based on the edge characteristics of an array of p×q pixels surrounding the interpolation point, wherein p and q are integers larger than 1; determining edge direction of an interpolation point located within the edge region, wherein the edge direction is normal to gradient direction; classifying the edge direction accordingly to in angle subclasses and n angle classes; wherein each angle class comprises one or more subclasses, m and n are integers, and n?m; selecting a one-dimensional horizontal interpolation kernel based on the angle class; performing a horizontal interpolation using the selected one-dimensional horizontal interpolation kernel; and performing a vertical interpolation using a one