Abstract: A program startup method, an electronic system, and a non-transitory storage medium are disclosed in the embodiments of the present disclosure. The method includes detecting a startup requirement for a program, startup codes of the program being at least partially stored in an external memory, and a part of the startup codes stored in the external memory comprising a plurality of code segments; and performing an operation of loading one of the code segments of the external memory to a RAM and running the one of the code segments multiple times. The one of the code segments loaded each time is different with each other. A size of each code segment is less than or equal to a size of an area of the RAM capable of executing each code segment.

Abstract: A method and apparatus for playing a media file are disclosed. The method includes determining whether a resource-substitution process needs to be performed; and selecting a substitute resource from a candidate resource set to replace an original resource in the media file to play, when the resource-substitution process needs to be performed.

Abstract: An image noise intensity estimation method, an image noise intensity estimation device, and an image recognition device are disclosed. The method includes: obtaining a first image to be estimated; filtering the first image to obtain a second image; dividing the first and second images to obtain a plurality of first image sub-blocks and a plurality of second image sub-blocks respectively; calculating error values between the first image sub-blocks and the second image sub-blocks in corresponding positions; and estimating the noise intensity of the first image according to a plurality of error values obtained by calculation. The method can improve the accuracy of noise estimation.

Abstract: A memory calibration method and system and a vehicle system are disclosed. The method includes reading a first set of data from a first memory, wherein the first set of data includes pre-stored parameters for calibrating a second memory comprising a controller; performing a first verification process on the first set of data; performing a second verification process on the first set of data when the first set of data passes the first verification process; adopting the first set of data to configure the controller of the second memory when the first set of data passes the second verification process; and performing a test for the second memory to determine whether finishing a current calibration process for the second memory, wherein the second memory has been calibrated when the second memory passes the test.

Abstract: The present disclosure discloses a bandgap reference power generation circuit and an integrated circuit. The bandgap reference power generation circuit includes a bias circuit and a bandgap reference core circuit. The bias circuit is configured to provide starting current according to a bias voltage. The bandgap reference core circuit is connected to the bias circuit to receive the starting current and goes into a stable operating state according to the starting current to output a preset voltage or preset current. The integrated circuit includes the bandgap reference power generation circuit. By the aforementioned method, the present disclosure can simplify a circuit design and reduce power consumption.

Abstract: The present disclosure discloses a low voltage differential signal transmitter, a method for generating a low voltage differential signal, and a data transmission device, the low voltage differential signal transmitter includes a controller and a physical layer chip connected with each other, the controller is configured to receive a first clock signal, process the first clock signal to obtain a second clock signal, read a first data signal under drive of the second clock signal, and output a third clock signal and a second data signal; the physical layer chip is configured to receive the first clock signal and the signals output by the controller, sample the third clock signal and the second data signal according to the first clock signal, and output a serial low voltage differential clock signal and a serial low voltage differential data signal.

Abstract: The present disclosure provides a short-circuit protection apparatus and method. The short-circuit protection apparatus includes a current detection circuit, a control circuit, and a voltage detection circuit. The current detection circuit detects an output current of an output circuit and outputs a current detection signal when the detected current is greater than a preset current. The control circuit receives the current detection signal and controls the output circuit to be turned off The voltage detection circuit detects an output voltage of the output circuit. When the output voltage is not in the preset voltage range, the output voltage is detected continuously When the output voltage is in the preset voltage range, the control circuit receives the voltage detection signal for controlling the output circuit.

Abstract: A proxy-pattern-based multimedia displaying method is disclosed in the present disclosure, the multimedia displaying method is applied to a chip where an embedded system is built in. The embedded system includes a display application layer, a surface proxy body, a surface entrusting body and a surface realizing component. The surface proxy body is an proxy for the surface entrusting body. The surface proxy body and the surface entrusting body are independent of the display application layer. The multimedia displaying method includes: receiving to-be-displayed multimedia data from the display application layer and sending the to-be-displayed multimedia data to the surface entrusting body by the surface proxy body; and sending the to-be-displayed multimedia data to the surface realizing component or the display application layer for display on a display screen by the surface entrusting body.

Abstract: The present disclosure discloses a video processing method, comprising: receiving a video file; decoding the video file using a first decoding mode; and when an occurred decoding exception is detected in a first decoding process using the first decoding mode, switching the current first decoding mode to a second decoding mode automatically, and continuing to decode a remaining part of the video file using the second decoding mode; wherein one of the first decoding mode and the second decoding mode is a hardware decoding mode, and the other is a software decoding mode.

Abstract: The present disclosure provides a short-circuit protection apparatus and method. The short-circuit protection apparatus includes a current detection circuit, a control circuit, a threshold regulating circuit, and a timing circuit. The current detection circuit outputs a detection signal when a detected current is greater than a preset current. The control circuit outputs first and second control signals. The threshold regulating circuit outputs first and second threshold voltages, the first threshold voltage controls the output circuit to operate in first voltage threshold mode and start a first timekeeping by the timing circuit. The first timekeeping is restarted when the detection signal is received before the time of the first timekeeping reaches the first preset value. The output circuit operates in second voltage threshold mode when the time of the first timekeeping reaches the first preset value.

Abstract: A quick positioning method and a vehicle-mounted system are disclosed. The quick positioning method includes: acquiring position information from an external positioning terminal the same time when the vehicle-mounted system is started, and determining continuously whether position information is available from a local GPS positioning module; and using the position information acquired from the external positioning terminal until position information is available from the local GPS positioning module. By the above method, there would be available position information before the GPS module of the vehicle-mounted system is fully activated, thus effectively enhancing the positioning efficiency of the vehicle-mounted system.

Abstract: The present disclosure discloses a communication method for a slave device connected to a master device via an I2C bus. The method includes detecting the condition of a byte end flag when the slave device is in a transmission mode, and clearing the byte end flag to stop transmitting data to the master device as the slave device is in the transmission mode when the byte end flag is detected to be in a first condition. The first condition indicates all data requested by the master device has been transmitted by the slave device. The present disclosure further discloses a slave device using the above-mentioned communication method. When the slave device is in the transmission mode, it is unnecessary to switch the operation mode of the slave device to stop the slave device from continuing transmitting data when the last byte of data has been transmitted.

Abstract: A method and an apparatus for processing a video signal are provided. The method for processing a video signal includes: performing image processing of the video signal which contains no odd-even field information, and acquiring processed field image data; identifying and acquiring corresponding odd-even field information based on first field image data and second field image data continuous in time among the processed field image data; and performing deinterlace processing of the processed field image data based on the corresponding odd-even field information, thereby acquiring frame image data. In this way, the odd-even field information is identified from the image data in real time; the displaying effect of the video image will not be affected even though the fields are discarded, and the cost is low.

Abstract: A data transmission method and an electronic apparatus are disclosed. The data transmission method comprises: establishing transmission channels between the local endpoints and a plurality of remote endpoints, wherein at least one of the local endpoints corresponds to at least two of the remote endpoints and at least two transmission channels are established; and transmitting data by using the transmission channels in a time-slice manner between the local endpoints and the corresponding remote endpoints. The data transmission method and the electronic apparatus of the present disclosure can achieve data transmission between a USB host and a plurality of USB devices even when the number of remote endpoints included in the USB devices is greater than the number of local endpoints included in the USB host.

Abstract: A vehicle-mounted terminal and a method for obtaining a resolution of a screen of a handheld terminal are disclosed. The method includes establishing a connection between a handheld terminal having a second screen and a vehicle-mounted terminal having a first screen, mapping a display of the second screen onto the first screen, obtaining a first coordinate difference between two coordinate points on the second screen and a second coordinate difference between two mapped points on the first screen that correspond to the two coordinate points respectively, and obtaining a resolution of the second screen using the relationship that a ratio of the first coordinate difference to the second coordinate difference is equal to a ratio of a mapped resolution of the second screen mapped onto the first screen to the resolution of the second screen, wherein the mapped resolution of the second screen mapped onto the first screen is a first resolution and the resolution of the second screen is a second resolution.

Abstract: A method for self-positioning tires and a tire pressure monitoring system are provided. The method for self-positioning tires includes: acquiring first position information detected by the first positioning circuit; acquiring second position information of each emitter respectively via corresponding second positioning circuit; and acquiring corresponding relative position information respectively between the receiver and each emitter based on the first position information of the receiver and the second position information of each emitter. In this way, compared with the method for achieving self-positioning function in the art, extra wires may not be needed and the origin wires of a vehicle may not be altered in the method of the present disclosure.

Abstract: A method and an apparatus for updating navigation map are disclosed. The method includes: fusing captured three-dimensional (3D) data and two-dimensional data (2D) image data of a street view to generate 3D fused data representing the street view; and updating the navigation map in real time according to the 3D fused data. Thus, the disclosure provides a way to update the navigation map in real time.

Abstract: The present disclosure provides a multimedia playing method and apparatus. The multimedia playing method includes: loading a source file and parsing a file header of the source file in order to determine whether the source file is a predefined format file, wherein the predefined format file includes menu information, and the menu information further includes default start menu information, at least two titles, at least one button for selecting a corresponding title and data for indicating the corresponding relations between the buttons and the titles; if the source file is a predefined format file, storing the menu information, and obtaining the default start menu information; extracting and playing the corresponding data of the current title.

Abstract: A method for determining an orientation of a screen of an electronic apparatus and an image receiving apparatus are provided. The method for determining the screen orientation includes the following steps of: receiving a screen shared image transmitted by the electronic apparatus, the screen shared image is a color image; performing line sampling on pixels of the screen shared image; and determining whether the screen is in the landscape orientation or in the portrait orientation according to color values of the sampled pixels of the screen shared image. The present disclosure can determine the screen orientation according to color values of the sampled pixels with small amount of operation data and high accuracy.

Abstract: Methods and apparatuses of compensating for delays of a storage device are disclosed. The method includes: performing a communication operation a preset number of times with the storage device through the extension line, each time if a correct response is received from the storage device, recording a status value of the current communication operation as a first value, otherwise recording as a second value, to obtain a resultant data string; searching, in the resultant data string, for a longest data segment comprised of the continuous first values; taking a delay value of the communication operation corresponding to the status value at the middle position of the longest data segment as an optimal delay value; and setting the optimal delay value as a phase difference between a source clock and a sampling clock of the storage device to compensate for the delays caused by the extension line of the storage device.