Abstract: The embodiments of the disclosure provide a method for interacting with a virtual world, a host, and a computer readable storage medium. The method includes: determining a hand gesture and accordingly determining an indicator in the virtual world; in response to determining that the hand gesture is a pinch gesture, performing a specific function corresponding to a position indicated by the indicator in the virtual world or a specific object indicated by the indicator in the virtual world.

Abstract: A handheld controller is suitable for controlling a virtual reality system. The handheld controller has a pointer direction corresponding to the virtual reality system. The handheld controller includes a holding portion, a knob, and a positioning module. The holding portion is suitable to be held by a hand of a user. The knob is pivotally connected to the holding portion on a rotation axis. The rotation axis is coaxial with or parallel to the pointer direction. The positioning module is connected to the holding portion and is configured to provide a position of the holding portion in a three-dimensional space. In addition, a control method is also provided here.

Abstract: A display method for displaying a virtual object, comprising: by at least one processor, recognizing characteristics of a main object from a video; by the at least one processor, recognizing a first fixed object from the video; by the at least one processor, determining a first target point in the video according to the characteristics of the main object; by the at least one processor, calculating a first position relationship between the first fixed object and the first target point; by the at least one processor, determining an anchor point in a virtual environment; and by the at least one processor, controlling a display device to display the virtual object at a second target point in the virtual environment by setting a second position relationship corresponding to the first position relationship between the anchor point and the second target point.

Abstract: A head mounted display including a first optical system, a second optical system, a first display, a second display, a first driver and a first adjusting system is provided. The first display is assembled to an object side of the first optical system. The second display is assembled to an object side of the second optical system. The first adjusting system is connected to the first driver, the first optical system, the first display and the second display. The first driver drives the first adjusting system to adjust a distance between the first display and the second display in a first mode. The first driver drives the first adjusting system to adjust a distance between the first display and the first optical system in a second mode.

Abstract: The embodiments of the disclosure provide a method for determining an ambient light luminance, a host, and a computer readable storage medium. The method includes: obtaining a first frame and a second frame, wherein the first frame comprises a plurality of first regions of interest (ROI), the second frame comprises a plurality of second ROIs, and the first ROIs respectively correspond to the second ROIs; in response to determining that the first ROIs comprise at least one specific ROI satisfying a predetermined condition and at least one first candidate ROI, obtaining at least one second candidate ROI among the second ROIs, wherein the at least one second candidate ROI respectively correspond to the at least one specific ROI; and determining the ambient light luminance based on the at least one first candidate ROI and the at least one second candidate ROI.

Abstract: The embodiments of the disclosure provide a method for detecting a movement of a ring controller, a ring controller, and a computer readable medium. The method includes: obtaining a plurality of moving parameters of the movement of the ring controller, wherein the ring controller is used to interact with a user interface; determining a rotating condition of the ring controller based on the moving parameters; and adjusting a visual content provided in the user interface based on the rotating condition of the ring controller.

Abstract: The embodiments of the disclosure provide a method for adjusting a displayed content, a host, and a computer readable storage medium. The method includes: displaying a visual content, wherein the visual content comprises a first virtual object and a second virtual object; and in response to determining that a synchronization mode associated with the first virtual object is activated, automatically adjusting a first posture of the first virtual object at least based on a host posture of the host and maintaining a second posture of the second virtual object.

Abstract: The embodiments of the disclosure provide a method for operating a mirrored content under a mirror mode and a computer readable storage medium. The method includes: enabling a touch capturing function on the smart device, wherein the touch capturing function intercepts a touch event inputted to the smart device; in response to determining that a raw touch event is intercepted by the smart device, translating the raw touch event to a first touch event and sending the first touch event to a host, wherein a display screen of the smart device is mirrored to a visual content shown by the host, and the first touch event triggers the host to report a second touch event happened in the visual content; disabling the touch capturing function and receiving the second touch event from the host; and performing a first operation in response to the second touch event and enabling the touch capturing function on the smart device.

Abstract: A system and a method of tracking an input sign for an extended reality are provided, wherein the method including: obtaining an image; detecting for a handheld device and a hand in the image; in response to a first bounding box of the hand and a second bounding box of the handheld device being detected, detecting at least one joint of the hand from the image; performing a data fusion of the first bounding box and the second bounding box according to the at least one joint to obtain the input sign; and outputting a command corresponding to the input sign via the output device.

Abstract: The embodiments of the disclosure provide a method for activating a system function, a host, and a computer readable storage medium. The method includes: tracking a hand gesture and accordingly rendering a hand object in a visual content, wherein the hand object comprises one or more finger object; in response to determining that the hand gesture satisfies a predetermined condition, showing at least one icon on the one or more finger object on the hand object, wherein the at least one icon respectively corresponds to at least one system function; and in response to determining that a first icon among the at least one icon is triggered, activating a first system function corresponding to the first icon.

Abstract: The disclosure provides a method and a host for adjusting audio of speakers, and a computer readable medium. The method includes: controlling a far-field speaker to play a first audio signal; controlling an audio receiver to receive the first audio signal from the far-field speaker and accordingly positioning a speaker location of the far-field speaker; establishing a first hearing transfer function related to the far-filed speaker based on the speaker location of the far-filed speaker; controlling the far-field speaker to play a second audio signal based on a second hearing transfer function; controlling the audio receiver to receive the second audio signal and accordingly estimating a first reference hearing volume; obtaining a second reference hearing volume corresponding to a first near-field speaker; and adjusting a first volume of the far-field speaker based on the first reference hearing volume and the second reference hearing volume.

Abstract: A mobile device includes a system circuit board, a metal frame, a first feeding element, an RF (Radio Frequency) module, and one or more other antenna elements. The system circuit board includes a system ground plane. The metal frame includes a first portion and a second portion. The metal frame has a first cut point positioned between the first portion and the second portion. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion. The second portion is excited by the first antenna structure using a coupling mechanism. The RF module is electrically coupled to the first feeding element. The metal frame further has a second cut point for separating the other antenna elements from the first antenna structure.

Abstract: An antenna structure is provided, which includes a substrate, a horizontal radiator and a vertical radiator. The horizontal radiator is on or in the substrate. The vertical radiator is in the substrate and includes a vertical conductor, planar metal structures and a switch. The planar metal structures are electrically connected through the vertical conductor. The switch is in a gap of the planar metal structures and is coupled to at least one of the planar metal structures for switching a current distribution of the vertical radiator.

Abstract: The embodiments of the disclosure provide a method and a system for detecting a hand gesture, and a computer readable storage medium. The method includes: determining whether information of a hand is enough for identifying a hand gesture of the hand; in response to determining that the information of the hand is enough for identifying the hand gesture, identifying the hand gesture, receiving first hand gesture information from at least one external gesture information provider, and correcting the hand gesture based on the first hand gesture information; in response to determining that the information of the hand is not enough for identifying the hand gesture, receiving second hand gesture information from the at least one external gesture information provider, obtaining a predicted hand gesture, and obtaining the hand gesture based on the predicted hand gesture and the second hand gesture information.

Abstract: A virtual image display device and a setting method for an input interface are provided. The virtual image display device includes a virtual image display and a handheld electronic device. The virtual image display executes an application to provide multiple prompt commands to perform a setting action of the input interface. The handheld electronic device displays the input interface and receives multiple input touch actions corresponding to each of the prompt commands through the input interface in the setting action. The virtual image display calculates multiple effective touch areas respectively corresponding to the prompt commands according to a position distribution of each input touch action corresponding to each of the prompt commands.

Abstract: A virtual image display system and a pointing direction control method of a control device thereof are proposed. The pointing direction control method of the control device includes causing the control device to display an index pattern having a recognition pointing direction, causing a virtual image display device to capture the index pattern displayed by the control device, and causing the virtual image display device to analyze the recognition pointing direction of the index pattern and to display a control cursor according to the recognition pointing direction.

Abstract: A method, a system and a recording medium for accessory pairing are provided. The method comprises: determining a type of the accessory based on the identifying information of an accessory; recognizing a type of a user body part according to an image; in response to the accessory is applicable to the user body part according to the type of accessory and the type of the user body part, obtaining a first position of the accessory within an environment and obtaining a second position of the user body part within the environment; and configuring the accessory to pair the user body part according to the first position of the accessory and the second position of the user body part.

Abstract: A speaker module adapted to be disposed on a wearable device. The speaker module includes at least one driving unit and an enclosure. The driving unit is configured to produce sound. The enclosure contains the driving unit and has a front chamber and a rear chamber. The front chamber and the rear chamber are individually located at two opposite sides of the driving unit. The enclosure has a front opening, a first rear opening, and a second rear opening. The front opening communicates with the front chamber. The first rear opening and the second rear opening individually communicate with the rear chamber. A sum of sound outputted from the front opening, the first rear opening, and the second rear opening has directivity.

Abstract: A wireless signal transceiver includes a main body part, an antenna array, and a refraction element. The antenna array is disposed in the main body part, and is configured to transmit or receive at least one wireless signal beam. The refraction element is disposed at a first end of the main body part, and the first end is opposite to the antenna array. The refraction element is used to receive the wireless signal beam and refracts the wireless signal beam to generate and transmit a plurality of outputted wireless signal beams.

Abstract: A communication device includes a display device, a phase tuning layer, and a mmWave (Millimeter Wave) module. The display device includes a first display portion and a second display portion. The pixel density of the first display portion is greater than that of the second display portion. The phase tuning layer is adjacent to the second display portion. The mmWave module generates a wireless signal. The wireless signal is propagated through the second display portion and the phase tuning layer.