Abstract: An image stitching processing method includes: obtaining a first image taken by a first camera module, wherein the first camera module has a first distance from a reference plane; obtaining a second image taken by a second camera module, wherein the second camera module has a second distance from the reference plane; scaling the second image according to a predetermined ratio and stitching the scaled second image with the first image to obtain a third image, wherein the third image has a stitching line between the first image and the scaled second image; determining whether an object image corresponding to an object in the third image is close to or located on the stitching line; identifying the object image to generate an identification confidence value; covering a standard object image on the object image to generate a modified third image; and outputting and displaying the modified third image.

Abstract: A method for preventing a person from taking a dangerous selfie is executed by a mobile electronic apparatus including a multi-axis sensing device and an image acquisition device disposed on a surface of the mobile electronic apparatus. The method includes the following steps: using the image acquisition device operating in a shooting mode to capture an image of the person in a background; using the multi-axis sensing device to detect orientation information of the mobile electronic apparatus; determining whether the person is in a potentially dangerous environment according to the orientation information and the image; and enabling the image acquisition device to suspend or exit the shooting mode when the person is in the potentially dangerous environment.

Abstract: A mobile device includes a host upper cover, a host lower cover, a metal cavity structure, a protruding radiation element, a nonconductive connection element, and a feeding element. The metal cavity structure is coupled between the host upper cover and the host lower cover. The metal cavity structure includes a first metal partition and a second metal partition. The first metal partition has an opening. The nonconductive connection element is connected to the edge of the opening of the first metal partition. The nonconductive connection element is configured to support and surround the protruding radiation element. The feeding element is coupled to a signal source and is disposed adjacent to the protruding radiation element. An antenna structure is formed by the feeding element and the protruding radiation element.

Abstract: An antenna system includes a first antenna, a second antenna, and a third antenna. The third antenna is disposed between the first antenna and the second antenna. Both the first antenna and the second antenna operate in a first frequency band. The third antenna operates in a second frequency band which is different from the first frequency band. The first antenna, the second antenna, and the third antenna are all disposed on the same plane.

Abstract: The disclosure relates to a sound propagating device including a sound-reflecting component, a first baffle plate, a second baffle plate, and a baffle assembly. The sound-reflecting component has a conical surface. The first baffle plate and the second baffle plate are respectively connected to two opposite ends of the baffle assembly. The first baffle plate, the second baffle plate, and the baffle assembly are moveably located on the conical surface. An angle between the first baffle plate and the second baffle plate is changed when at least one of the first baffle plate and the second baffle plate is moved. In addition, the disclosure also relates to a loudspeaker having the sound propagating device.

Abstract: An antenna system includes a power divider, a first antenna array, a second antenna array, a third antenna array, a delay device, a first switch element, and a second switch element. The power divider has a first output port, a second output port, and a third output port. The first antenna array is coupled to the first output port. The second antenna array is coupled to the second output port. The third antenna array is coupled to the third output port. The first switch element determines whether to couple the first output port to the delay device according to a first control signal. The second switch element determines whether to couple the third output port to a ground voltage according to a second control signal.

Abstract: A display apparatus is provided. The display apparatus includes: a display panel, a non-volatile memory, and a controller. The controller is configured to adjust first gain values of the display panel, and obtain two-dimensional color coordinates in a first predetermined color space of the white screen displayed by the display apparatus as white-color coordinates. The controller further adjusts colors displayed by the display apparatus to fit a second predetermined color space, calculates second gain values in the second predetermined color space according to the white-color coordinates, and stores the second gain values in a color-calibration setting in a non-volatile memory of the display apparatus. In response to a selection signal from the display apparatus, the controller reads the color-calibration setting corresponding to the selection signal from the non-volatile memory for execution to perform color calibration on the display apparatus.

Abstract: An inspection device is provided. The inspection device includes a platform, a cage, a holder and an image capturing module. The cage is disposed on the platform, wherein the cage includes a first transparent side and a second transparent side, and the first transparent side and the second transparent side are not coplanar. The holder is disposed in the cage. The image capturing module captures a first image from the first transparent side, and it captures a second image from the second transparent side.

Abstract: An image detection method for determining the postures of a user includes: obtaining a plurality of images of a user; determining whether the user moves; and when the user is determined to be moving, calculating whether the amount of images is greater than a first predetermined value or not, calculating whether or not the amount of images of the user in the region of interest (ROI) is greater than a second predetermined value, and calculating whether or not the amount of images of the user not in the ROI is greater than a third predetermined value, in order to determine the postures of the user.

Abstract: An image detection method for determining the posture of a user includes: obtaining a reference image of the user in a region of interest (ROI); obtaining a test image of user at the ROI; executing a feature matching analysis of the test image which compares the feature parameter of the test image and the feature parameter of the reference image to determine the similarity information of the test image and the reference image; and executing a pixel distribution analysis of the test image to obtain user pixel distribution information; and determining the posture of the user based on the user similarity information and the user pixel distribution information.

Abstract: An omnidirectional wheel is provided. The omnidirectional wheel includes a plurality of major brackets, a plurality of minor brackets, a plurality of major wheels and a plurality of minor wheels. The major brackets include a first major bracket. The minor brackets include a first minor bracket. The major wheels include a first major wheel, wherein the major wheels are connected to the respective major brackets, the first major wheel is connected to the first major bracket, the first major wheel is rotatable around a first axis, and the first major bracket extends in a first extending direction. The minor wheels include a first minor wheel, wherein the minor wheels are connected to the respective minor brackets, the first minor wheel is connected to the first minor bracket, the first minor wheel is rotatable around a second axis, and the first minor bracket extends in a second extending direction.

Abstract: This invention provides a wireless input device, including a primary battery set, a backup battery, an electricity generating device, an energy-storage/charging device, and a switching device. The primary battery set provides electricity to the wireless input device. The backup battery provides electricity to the wireless input device when the primary battery set does not have sufficient electricity. The electricity generating device generates electricity in response to clicking/pressing operations to the wireless input device. The energy-storage/charging device is coupled to the backup battery and the electricity generating device. The energy-storage/charging device stores the electricity generated by the electricity generating device and charges the backup battery when the stored electricity has reached a predetermined volume. The switching device is coupled to the primary battery set and the backup battery.

Abstract: A computer device includes a microprocessor, a voltage converter circuit converting a first voltage of a system power into a second voltage, a control circuit controlling supply of the second voltage and a detection circuit detecting whether power abnormality at the peripheral device has occurred. When confirming that the system power is being supplied normally, the microprocessor generates a first enable signal to enable the voltage converter circuit. When confirming that the voltage converter circuit functions normally, the microprocessor generates a second enable signal to enable the detection circuit. The detection circuit generates a first detection signal according to detection result for the microprocessor to determine whether to supply the second voltage to the peripheral device. When the first detection signal indicates that power abnormality has not occurred, the microprocessor generates a third enable signal to enable the control circuit to supply the second voltage to the peripheral device.

Abstract: An optical device detachably disposed on a scanner is provided, including a housing, a first opening, a second opening, a lens module, and a fixing member. The housing has a first surface and a second surface connected to the first surface. The first opening and the second opening are respectively formed on the first surface and the second surface. The lens module is disposed in the housing. The fixing member is detachably affixed to the scanner and pivotally connected to the housing. The light provided by the scanner enters the housing through the first opening, and the lens module guides the light to leave the housing through the second opening. The light leaving the housing through the second opening can fall on a scanned object.

Abstract: An electronic device is provided. The electronic device includes: an inertial measurement unit, a camera device, and a processor. The inertial-measurement unit is configured to detect a pitch angle of the electronic device. The camera device is configured to focus on a target object to capture an object image. The processor is configured to execute an image-distance-measuring program to perform the following steps: obtaining a lens-focal-length parameter corresponding to the object image from an operating system performed by the electronic device; calculating a plurality of terminal parameters corresponding to the pitch angle according to the lens-focal-length parameter and the pitch angle; converting the terminal parameters to a plurality of linear parameters; and calculating an object distance between the target object and the camera device according to a linear equation of the linear parameters, and the upper focusing distance, and the lower focusing distance.

Abstract: An accommodation structure includes a frame, a first connector disposed on a first side of the frame, and a second connector disposed on a second side of the frame. When the first storage device is connected to the first connector, the first storage device occupies a first portion of the accommodation space. When the second storage device is connected to the second connector, the second storage device occupies a second portion of the accommodation space. In addition, the first portion at least partially overlaps the second portion.

Abstract: A co-constructed power generation device comprises a shell member, a first power generation group and a second power generation group, wherein the first power generation group is disposed in the shell member and generates shake-induced power, and the second power generation group is disposed in the shell member and generates rotation-induced power.

Abstract: A display device is provided. The display device includes a display panel, a backlight controller, a light source module, and an image processor circuit. The display panel is divided into display regions. The backlight controller generates driving signals according to control signals. The light source units in the light source module are controlled respectively by the driving signals to emit light. The image processor circuit generates the control signals according to input image data. The image processor circuit obtains a respective estimated current according to the sum of first and second color brightness gains of the pixel cells in each display region and further determines an adjustment factor according to the sum of all the estimated currents. When the backlight controller operates in a high brightness mode, the image processor circuit changes the control signals according to the adjustment factor, thereby adjusting the driving signals.

Abstract: A method suitable for a touch-control device having a touch-control surface for determining keys of a virtual keyboard is provided and includes: sensing positions of multiple control points on the touch-control surface to determine positions of multiple basic keys of a virtual keyboard; determining the input behavior of a user according to at least one touch behavior of at least one control point on the touch-control surface; and determining which key on the virtual keyboard is input by the user.

Abstract: A communication device and a power control method thereof are provided. The power control method, performed by a communication device, includes: determining a power range of a transmit power of an uplink signal; determining a gain switch range based on the power range; when the transmit power of the uplink signal is within the gain switch range, determining a first gain mode for amplifying the uplink signal; and when the transmit power of the uplink signal is out of the gain switch range, determining a second gain mode for amplifying the uplink signal.