Abstract: A communication method in a virtual environment includes initiating, by a first user, a virtual classroom through an education Metaverse application program of a first user device; attending, by at least a second user, the virtual classroom through an education Metaverse application program of a second user device; activating, by the first user, a class teaching mode, such that the first user and at least the second user login a cloud streaming system through corresponding education Metaverse application program of the first user device and the second user device to represent a first Avatar and a second Avatar for communication in the virtual classroom; wherein the virtual classroom is configured to render a spatial audio in a three-dimensional (3D) space.

Abstract: A display and a dehumidification method thereof are disclosed. The method includes the following. An interval time from a previous dehumidification process is calculated, and the interval time is compared with a threshold time. When the interval time exceeds the threshold time, a first reminder window is displayed for a user to choose whether to perform a dehumidification process when the dehumidification process or booting is executed automatically in a shutdown state. It is determined whether to limit a brightness of a display panel of the display according to a selecting operation with regard to the dehumidification process.

Abstract: A foldable light-shielding hood includes a plate body, a first supporting portion, a second supporting portion, a hanging portion, a first folded portion, and a second folded portion. The first supporting portion, the second supporting portion, and the hanging portion are foldably disposed to the plate body. The first folded portion is foldably disposed to the first supporting portion. The second folded portion is foldably disposed to the second supporting portion. The foldable light-shielding hood is adapted for hanging on a portable electronic device through the hanging portion. The first folded portion, the second folded portion, the hanging portion, the first supporting portion, the second supporting portion, and the plate body surround a shielding space, and the first folded portion, the second folded portion, and the hanging portion are adapted for being combined with the portable electronic device, and a display surface is located in the shielding space.

Abstract: A system and a method for image displaying are disclosed. The system for image displaying includes a first source device, a second source device, a display, and multiple image filtering devices. The first source device is configured to transmit a first image stream. The second source device is configured to transmit a second image stream. The display receives the first image stream and the second image stream, uses a predetermined frame rate to accordingly play a reconstructed image content, and provides a synchronization signal corresponding to the predetermined frame rate. The reconstructed image content is interleaved with a first image content corresponding to the first image stream and a second image content corresponding to the second image stream. Each of the image filtering devices includes an image display shutter. The image display shutter is switched between opening and closing according to the synchronization signal.

Abstract: A display and a dehumidification method thereof are disclosed. The method includes the following. An interval time from a previous dehumidification process is calculated, and the interval time is compared with a threshold time. When the interval time exceeds the threshold time, a first reminder window is displayed for a user to choose whether to perform a dehumidification process when the dehumidification process or booting is executed automatically in a shutdown state. It is determined whether to limit a brightness of a display panel of the display according to a selecting operation with regard to the dehumidification process.

Abstract: A touch display apparatus including a touch display screen and a processor circuit is provided. The touch display screen is configured to display an image frame and sense a touch operation. The processor circuit is coupled to the touch display screen. The processor circuit is configured to divide a display interface of the touch display screen into a plurality of blocks according to an interface dividing parameter. The image frame is displayed in the block where the touch operation is located according to a position of the touch operation.

Abstract: A method to adjust the height of a display is provided. One terminal of the telescopic trolley is connected to a first surface of the display and is separated from the lower edge of the display by a first distance. The lower edge of the display is away from the ground by a second distance. The method includes: obtaining a first height value indicating a user's height, an eye height or a shoulder height, searching for a second height value corresponding to the first height value in the look-up table according to the first height value, calculating the sum of the first distance and the second distance, comparing the sum with the second height value to obtain a comparison result, and adjusting the length of the telescopic trolley according to the comparison result, so that the sum is equal to the second height value.

Abstract: A method to adjust the height of a display is provided. One terminal of the telescopic trolley is connected to a first surface of the display and is separated from the lower edge of the display by a first distance. The lower edge of the display is away from the ground by a second distance. The method includes: obtaining a first height value indicating a user's height, an eye height or a shoulder height; searching for a second height value corresponding to the first height value in the look-up table according to the first height value; calculating the sum of the first distance and the second distance, and comparing the sum with the second height value to obtain a comparison result; and adjusting the length of the telescopic trolley according to the comparison result, so that the sum is equal to the second height value.

Abstract: A webcam module, including a front casing, a rear casing, a support base, a lens, a blocking cover, and a lever, is provided. The front casing has a lens hole. The rear casing is disposed at the front casing and forms an accommodating space. The support base is rotatably disposed in the accommodating space. The lens is disposed on a front side surface of the support base facing the front casing. The blocking cover is slidably sleeved around the support base and faces the front casing. The lever is connected to the blocking cover and protrudes above the front casing and the rear casing. The lever is adapted to drive the blocking cover to slide along the support base. The lever is adapted to drive the blocking cover and the support base to rotate relative to the front casing with an axis as the center.

Abstract: An image capturing method is provided. The method includes: shooting a monitoring scene at the same time through multiple image capturing devices to capture multiple images corresponding to multiple focal lengths at a same time point; recognizing a target area of each of the captured images according to multiple focal sections; keeping multiple target sub-images in the target areas of the images, in which multiple object images in the target sub-images are all focused; directly generated a single reconstructed image corresponding to the time point according to the target sub-images; and outputting the reconstructed image.

Abstract: A touch display apparatus including a touch display screen and a processor circuit is provided. The touch display screen is configured to display an image frame and sense a touch operation. The processor circuit is coupled to the touch display screen. The processor circuit is configured to divide a display interface of the touch display screen into a plurality of blocks according to an interface dividing parameter. The image frame is displayed in the block where the touch operation is located according to a position of the touch operation.

Abstract: A projection device and a projection method are provided. The projection device includes a picture memory, a processor, and a projection module. The picture memory stores at least one mask picture. Each of the at least one mask picture has at least one hollow portion. The processor selects a selected mask picture from the at least one mask picture, and overlays an image with the selected mask picture to generate a masked image. The masked image presents a portion of the image in an area corresponding to the at least one hollow portion. The projection module generates a projection beam corresponding to the masked image.

Abstract: A method for adjusting output images and multi-pictures display system are provided. The method includes following steps. A monitor resolution, a multi-pictures display mode and a rotation status of a display device are obtained. A display setting in an operating system (OS) of an image source apparatus is obtained. Whether the display setting in the OS satisfies an optimal display condition is determined according to the monitor resolution, the multi-pictures display mode and the rotation status of the display device. If the display setting does not satisfy the optimal display condition, the display setting in the OS is adjusting according to the optimal display condition. If the display setting satisfies the optimal display condition, a plurality of pixels of a single frame output by the image source device is one-by-one corresponding to a plurality of pixel units of the display device configured for displaying the single frame.

Abstract: A method for adjusting output images and multi-pictures display system are provided. The method includes following steps. A monitor resolution, a multi-pictures display mode and a rotation status of a display device are obtained. A display setting in an operating system (OS) of an image source apparatus is obtained. Whether the display setting in the OS satisfies an optimal display condition is determined according to the monitor resolution, the multi-pictures display mode and the rotation status of the display device. If the display setting does not satisfy the optimal display condition, the display setting in the OS is adjusting according to the optimal display condition. If the display setting satisfies the optimal display condition, a plurality of pixels of a single frame output by the image source device is one-by-one corresponding to a plurality of pixel units of the display device configured for displaying the single frame.

Abstract: A projection system includes a display device, a wireless presentation gateway, a computer terminal, and a portable device. The display device is used for displaying an image. The wireless presentation gateway is linked to the display device for transmitting image data to the display device. The computer terminal is linked to the wireless presentation gateway for transmitting the image data to the wireless presentation gateway. The portable device is connected to the computer terminal through a communication port for driving the computer terminal, the wireless presentation gateway, and the display device for performing an image display process automatically.