Abstract: A patrol and inspection vehicle includes a vehicle body, distance measuring devices installed on front and rear sides of the vehicle body for detecting distances of ambient objects, a LiDAR sensor installed on the vehicle body for constructing a three-dimensional spatial model for positioning and navigation, a panoramic camera installed on the vehicle body for recognizing images of ambient individuals, and a gas detector installed on the vehicle body for detecting leaked gases having a temperature different from room temperature. The patrol and inspection vehicle can automatically inspect whether there are gas leaks in pipelines and detect if individuals have accidentally entered restricted areas, thereby reducing the manpower required for patrols and enhancing factory safety.

Abstract: A carbon-based material post-modification reactor includes: a feeding port located upstream from the carbon-based material post-modification reactor and adapted to feed a carbon-based raw material into the reactor; a discharging port located downstream from the carbon-based material post-modification reactor and adapted to output a modified carbon-based material; and a screw conveying device disposed in the reactor to simultaneously convey and turn over the carbon-based raw material in the reactor, between the feeding port and the discharging port; and an intake device for inputting ozone gas to the interior of the carbon-based material post-modification reactor. The screw conveying device includes a shaft portion, reverse inner spiral blade group and forward outer spiral blade group.

Abstract: A head mounted display, tapping input signal generating method, and non-transitory computer readable storage medium thereof are provided. Based on a plurality of real-time images, the head-mounted display determines whether a first finger among the plurality of fingers corresponds to a tapping pattern. The head-mounted display determines whether a sensing signal received from a wearable device matches a tapping gesture of the first finger in response to having the first finger among the fingers corresponding to the tapping pattern. The head-mounted display generates a tapping input signal corresponding to the first finger in response to the sensing signal matching the tapping gesture of the first finger.

Abstract: A system and a method for remotely controlling extended reality by a virtual mouse are provided. The system includes a head mounted display and a first remote controller for being worn on a hand. The head mounted display includes an image capture device. The first remote controller communicatively connects to the head mounted display, wherein the head mounted display is configured to: capture an image through the image capture device; detect the image to obtain first data of the hand in the image and second data of a plane in the image; and enable the virtual mouse according to the first data and the second data.

Abstract: A system and a method for interacting with an extended reality environment are provided. The method includes: generating, by a touch sensor with a detection area, a touch signal, wherein the touch sensor is included in a ring-type controller; providing, by a head-mounted display, an extended reality scene; determining, by the head-mounted display, whether an object is in the detection area according to the touch signal; in response to determining the object is in the detection area, generating, by the head-mounted display, a first command according to a movement of the ring-type controller; and moving, by the head-mounted display, a cursor in the extended reality scene according to the first command.

Abstract: A control system is provided. The control system includes a ring device and a controller. The ring device includes an inertial measurement unit (IMU) sensor. The ring device is adapted to be worn on a finger of a user and the IMU sensor is configured to obtain sensor data. The controller is configured to receive the sensor data from the ring device and generate detection data based on the sensor data. The detection data is configured to indicate whether the ring device is rotated and whether the ring device is tapped. The controller is configured to perform a control operation in a virtual world displayed by the controller based on the detection data.

Abstract: A method of forming a biomass epoxy resin composition includes mixing 100 parts by weight of biomass 2,5-furandicarboxylic acid, 900 to 1100 parts by weight of epihalohydrin, and a catalyst to form a mixture. The method includes heating the mixture to 80° C. to 95° C. to react for 2 to 5 hours to form a ring-opening intermediate product, and adding an alkaline for ring closing the ring-opening intermediate product to form the biomass epoxy resin composition, wherein the catalyst includes 0.8 to 8 parts by weight of triphenyl phosphine and 0.01 to 0.1 parts by weight of 4-methoxyphenol.

Abstract: A head-mounted display, unlocking method, and non-transitory computer readable storage medium thereof are provided. The head-mounted display generates a wearing position distribution based on a plurality of real-time images including a user wearing at least one wearable device on at least one finger position, wherein the wearing position distribution indicates a wearing position of the at least one wearable device wear worn by the user. The head-mounted display generates an unlocking signal to unlock the head-mounted display based on the wearing position distribution.

Abstract: A control system is provided. The control system includes a ring device and a controller. The ring device includes an inertial measurement unit (IMU) sensor. The ring device is adapted to be worn on a finger of a user and the IMU sensor is configured to obtain sensor data. The controller is configured to receive the sensor data from the ring device and generate detection data based on the sensor data. The detection data is configured to indicate whether the ring device is rotated and whether the ring device is tapped. The controller is configured to perform a control operation in a virtual world displayed by the controller based on the detection data.

Abstract: Provided is an X-Ray developable identifying element for use in an implant, which comprises a body and an identifying pattern; wherein the identifying pattern is formed on the body or embedded in the body, and the material of the identifying pattern is an X-ray developable material. Provided is an implant comprising the X-Ray developable identifying element. The identifying element has the X-ray developable identifying pattern, so the image of identifying pattern will be displayed on an X-ray film after X-ray radiation to represent the origin of the product and model number, which allows the patients or users to identify the information of the implant implanted in their bodies. The present disclosure allows patients or users to obtain the information of the implant implanted in their bodies outside the body so as to improve the convenience of getting the information of the implant implanted in patients or users.

Abstract: A head-mounted display, unlocking method, and non-transitory computer readable storage medium thereof are provided. The head-mounted display generates a wearing position distribution based on a plurality of real-time images including a user wearing at least one wearable device on at least one finger position, wherein the wearing position distribution indicates a wearing position of the at least one wearable device wear worn by the user. The head-mounted display generates an unlocking signal to unlock the head-mounted display based on the wearing position distribution.

Abstract: A head-mounted display, controlling method, and non-transitory computer readable storage medium thereof are provided. The head-mounted display determines a first posture among a plurality of postures based on a plurality of real-time images. The head-mounted display generates a first gesture among a plurality of gestures corresponding to a user according to a plurality of inertial measurement parameters corresponding to a first body part of the user. The head-mounted display generates a control signal corresponding to a first output event among a plurality of output events based on the first gesture and the first gesture.

Abstract: A system and a method for remotely controlling extended reality by a virtual mouse are provided. The system includes a head mounted display and a first remote controller for being worn on a hand. The head mounted display includes an image capture device. The first remote controller communicatively connects to the head mounted display, wherein the head mounted display is configured to: capture an image through the image capture device; detect the image to obtain first data of the hand in the image and second data of a plane in the image; and enable the virtual mouse according to the first data and the second data.

Abstract: A wearable authentication system is provided. The wearable authentication system includes a head-mounted device and a ring device. The head-mounted device includes a first network module and a camera. The first network module sends an authentication request. The camera is configured to provide an image of a hand of a user. The ring device includes an inertial measurement unit, a second network module and a biometric sensor. The inertial measurement unit provides an inertial measurement value of the ring device. The second network module receives the authentication request. The biometric sensor gathers biometric information from the user based on the authentication request. The wearable authentication system tracks a position of the ring device based on at least one of the image and the inertial measurement value. The second network module sends authentication information based on the biometric information and the inertial measurement value to the first network module.

Abstract: A motion computing system for virtual reality is provided, which comprises a wearable device and a head-mounted display. The head-mounted display performs following steps for: setting a wearing position of the wearable device; determining whether to generate a hand model having finger skeleton data for the hand of the user is found in a monitored field by a hand tracking algorithm; in response respond to that determine the hand model is found in the monitored field, identifying a device position according to the wearing position and the finger skeleton data, and identifying a device rotation of the wearable device in the monitored field according to the inertial data; calculating a pointer direction in the monitored field according to the device position and the device rotation; and generating a ray in a virtual reality field according to the pointer direction and the device position.

Abstract: The present disclosure provides a human-computer interaction method and system. The method includes following operations: by a motion sensor, sensing a hand movement to generate a movement signal; by a camera module, capturing a plurality of images of the hand movement; by at least one processor, generating a plurality of feature values according to the movement signal adjusted based on hand movement information, wherein the hand movement information is generated by analyzing the plurality of images of the hand movement; and by the at least one processor, controlling a virtual object by a first hand gesture determined by a hand gesture determination model according to the plurality of feature values.

Abstract: A head mounted display, tapping input signal generating method, and non-transitory computer readable storage medium thereof are provided. Based on a plurality of real-time images, the head-mounted display determines whether a first finger among the plurality of fingers corresponds to a tapping pattern. The head-mounted display determines whether a sensing signal received from a wearable device matches a tapping gesture of the first finger in response to having the first finger among the fingers corresponding to the tapping pattern. The head-mounted display generates a tapping input signal corresponding to the first finger in response to the sensing signal matching the tapping gesture of the first finger.

Abstract: A motion computing system for virtual reality is provided, which comprises a wearable device and a head-mounted display. The head-mounted display performs following steps for: setting a wearing position of the wearable device; determining whether to generate a hand model having finger skeleton data for the hand of the user is found in a monitored field by a hand tracking algorithm; in response respond to that determine the hand model is found in the monitored field, identifying a device position according to the wearing position and the finger skeleton data, and identifying a device rotation of the wearable device in the monitored field according to the inertial data; calculating a pointer direction in the monitored field according to the device position and the device rotation; and generating a ray in a virtual reality field according to the pointer direction and the device position.

Abstract: The present disclosure provides a human-computer interaction method and system. The method includes following operations: by a motion sensor, sensing a hand movement to generate a movement signal; by a camera module, capturing a plurality of images of the hand movement; by at least one processor, generating a plurality of feature values according to the movement signal adjusted based on hand movement information, wherein the hand movement information is generated by analyzing the plurality of images of the hand movement; and by the at least one processor, controlling a virtual object by a first hand gesture determined by a hand gesture determination model according to the plurality of feature values.

Abstract: A carbon-based material post-modification reactor includes: a feeding port located upstream from the carbon-based material post-modification reactor and adapted to feed a carbon-based raw material into the reactor; a discharging port located downstream from the carbon-based material post-modification reactor and adapted to output a modified carbon-based material; and a screw conveying device disposed in the reactor to simultaneously convey and turn over the carbon-based raw material in the reactor, between the feeding port and the discharging port; and an intake device for inputting ozone gas to the interior of the carbon-based material post-modification reactor. The screw conveying device includes a shaft portion, reverse inner spiral blade group and forward outer spiral blade group.