Abstract: A method for identifying video signal source is provided. The method includes the following steps. A first identification code is assigned to a first transmitter device by a receiver control unit of a receiver device. A first video data is transmitted by the first transmitter device. The first video data and a first identification image corresponding to the first identification code are combined as a first combined video data by the receiver control unit. The first combined video data is outputted to a display device by the receiver control unit.

Abstract: A multimedia system is provided. The multimedia system includes a plurality of transmission devices and a receiving-end device. Multiple transmission devices respectively has a microphone. The receiving-end device is coupled to the transmission devices. When the microphone of one of the transmission devices is enabled, the receiving-end device outputs at least one control signal to at least another one of the transmission devices to disable the microphone of the at least another one of the transmission devices.

Abstract: A transmitter device adapted to be coupled to an image providing device and a receiver device includes first and second conversion units, a wireless module, and a processing unit. The first conversion unit and the second conversion unit are configured to be coupled to the image providing device through an HDMI transmission cable and a Type-C transmission cable, respectively, so as to respectively receive a first video and audio stream and a second video and audio stream provided by the image providing device. The wireless module is connected to the receiver device through wireless communication. The processing unit preferentially selects the first conversion unit to receive a first video and audio signal output by converting the first video and audio stream by the first conversion unit and transmits the first video and audio signal to the receiver device through the wireless module.

Abstract: A method for expanding functions of a conference system includes providing a first circuit board and a second circuit board disposed in the receiver, receiving a first wireless packet transmitted from the first transmitter merely through a second communication module of the second circuit board, controlling the second communication module for performing an unpacking process of the first wireless packet by a second processor of the second circuit board to generate first compressed media data, generating a first command signal by the second processor of the second circuit board for controlling a first processor of the first circuit board to receive the first compressed media data through a data channel, and decompressing the first compressed media data by the first processor for acquiring first media contents of the first transmitter.

Abstract: A data sharing method includes providing a receiver and at least one transmitter, changing a first hardware registration identification code of the at least one transmitter to a second hardware registration identification code of a virtual camera device corresponding to at least one communication software program by the receiver, and using the virtual camera device for converting at least one image data signal transmitted from the at least one transmitter to video stream data supported by the at least one communication software program after the receiver receives the at least one image data signal.

Abstract: A data sharing method includes logging in a first account through a communication interface by a first receiver for establishing a link between the first receiver and a server corresponding to the communication interface, logging in a second account through the communication interface by a second receiver for establishing a link between the second receiver and the server corresponding to the communication interface, and transmitting image data from a first transmitter to the second receiver through the first receiver and the server for sharing the image data. The first receiver is linked to a first display. The second receiver is linked to a second display. The image data is shared with the first display and the second display.

Abstract: A transmitter device applied to a conference system is disclosed. The conference system further includes a receiver device. The receiver device wirelessly receives an image signal transmitted by the transmitter device, and a display coupled to the receiver device displays the image signal. The transmitter device includes a memory storing an identity information corresponding to an authority of the transmitter device. When the transmitter device is coupled to an information processing device, the transmitter device transmits the identity information to the information processing device. An application driver of the information processing device determines the authority of the transmitter device according to the identity information.

Abstract: A structured light scanning method includes a light projector projecting a group of structured light to an object, an image capturing device capturing a group of images generated by the object reflecting the group of structured light, an image processor obtaining a pixel luminosity distribution of an image in the group of images, the image processor determining a reflection state of the image from the pixel luminosity distribution, the image processor determining whether to include the image in generating a depth map according to the reflection state, and the image processor decoding at least one image from the group of images to generate the depth map.

Abstract: A conference system with low standby power consumption includes a transmitter, an image data source, a receiver, and a display device. The transmitter includes a battery for providing power, at least one link port for accessing data, and a processor coupled to the battery and the at least one link port. The image data source is used for transmitting the image data to the transmitter. The receiver is linked to the transmitter for receiving the image data. The display device is linked to the receiver for displaying the image data. When the transmitter and the image data source are electrically coupled, the processor ceases to use the battery of the transmitter and controls the image data source for providing power to the transmitter. When the transmitter and the image data source are separated, the processor uses the battery of the transmitter for driving firmware of the transmitter.

Abstract: A structured light scanning method includes a light projector projecting a group of structured light to an object, an image capturing device capturing a group of images generated by the object reflecting the group of structured light, an image processor obtaining a pixel luminosity distribution of an image in the group of images, the image processor determining a reflection state of the image from the pixel luminosity distribution, the image processor determining whether to include the image in generating a depth map according to the reflection state, and the image processor decoding at least one image from the group of images to generate the depth map.

Abstract: A video streaming transmission system and a transmitter device are provided. The video streaming transmission system includes a receiver device and a transmitter device. The receiver device is coupled to a display module. The transmitter device is coupled to an image providing device through a transmission line. The transmitter device includes a processing unit, a storage unit, and a wireless communication module. The storage unit is coupled to the processing unit. The wireless communication module is coupled to the processing unit, and is coupled to the receiver device in a wireless communication manner. The processing unit generates virtual extended display identification data and stores them in the storage unit, and provides the virtual extended display identification data to the image providing device through the transmission line, so that the image providing device recognizes multiple virtual displays coupled thereto, and outputs multiple video streams through the transmission line.

Abstract: A three dimensional image generation method can include capturing a plurality of images of an object, generating a plurality of point clouds corresponding to a first sequence and a plurality pieces of first pose information according to the plurality of images, generating a second sequence according to a plurality of correlations among the plurality of images, performing a plurality of registration operations on the plurality of point clouds in the second sequence to adjust the plurality pieces of first pose information to generate a plurality pieces of second pose information, and combining the plurality of point clouds according to the plurality pieces of second pose information to generate a three dimensional image of the object.

Abstract: A method for identifying video signal source is provided. The method includes the following steps. A first identification code is assigned to a first transmitter device by a receiver control unit of a receiver device. A first video data is transmitted by the first transmitter device. The first video data and a first identification image corresponding to the first identification code are combined as a first combined video data by the receiver control unit. The first combined video data is outputted to a display device by the receiver control unit.

Abstract: A video conference system is disclosed. The video conference system includes at least one transmitter device and a receiver device. The transmitter device is connected to an information processing device. The receiver device and the transmitter device are wirelessly connected. The receiver device wirelessly receives a video data related to the information processing device transmitted by the transmitter device. When the receiver device triggers a standby screen and the receiver device is connected to a video conference screen management device, the receiver device does not output the standby screen to the video conference screen management device.

Abstract: A method for generating a three-dimensional image includes capturing a set of color images of an object, generating a first point cloud according to at least the set of color images, generating a second point cloud by performing a filtering operation to the first point cloud according to the set of color images, selectively performing a pairing operation using the second point cloud and a target point cloud to generate pose information, and combining the first point cloud and the target point cloud according to the pose information to update the target point cloud to generate the three-dimensional image of the object. The set of color images is related to color information of the object. The relativity of the second point cloud and the rigid surface is higher than the relativity of the second point cloud and the non-rigid surface.

Abstract: A transmitter device applied to a conference system is disclosed. The conference system further includes a receiver device. The receiver device wirelessly receives an image signal transmitted by the transmitter device, and a display coupled to the receiver device displays the image signal. The transmitter device includes a memory storing an identity information corresponding to an authority of the transmitter device. When the transmitter device is coupled to an information processing device, the transmitter device transmits the identity information to the information processing device. An application driver of the information processing device determines the authority of the transmitter device according to the identity information.

Abstract: A method of operating an intraoral scanner. The intraoral scanner includes an image capturing device and a processor. The method includes the image capturing device sequentially capturing M images along a first dental arch, the processor establishing a first arch model of the first dental arch according to the M images, the image capturing device sequentially capturing N images along a straight-line path from a first anchor to a second anchor on the first dental arch, the processor generating first coordinates of the first anchor and second coordinates of the second anchor according to the N images, and the processor calibrating the first arch model according to the first coordinates and the second coordinates. The first anchor is located at one side of a dental midline of the first dental arch. The second anchor is located at the other side of the dental midline of the first dental arch.

Abstract: A data authorization controlling and matching system includes a receiver, a plurality of display devices, and at least one transmitter. The receiver is used for receiving an image signal. The plurality of display devices are coupled to the receiver for displaying the image signal. The at least one transmitter is coupled to the receiver for outputting the image signal. After a member list saved in the receiver is configured, a data link between the receiver and the at least one transmitter is established. Hardware information of the at least one transmitter is saved in the receiver. The receiver automatically identifies the at least one transmitter according to the hardware information of the at least one transmitter. After the at least one transmitter is identified, the receiver sets authorization information of the at least one transmitter.

Abstract: A wireless communications pairing method includes providing a receiver and a first transmitter linked to the receiver, establishing a first link between the first transmitter and a second transmitter, transmitting pairing information from the first transmitter to the second transmitter through the first link, establishing a second link between the second transmitter and the receiver according to the pairing information after the second transmitter receives the pairing information, transmitting an image signal from an image signal source coupled to the second transmitter to the second transmitter after the second transmitter is triggered, processing the image signal by the second transmitter for transmitting the image signal from the second transmitter to the receiver, and controlling a display device for displaying an image by the receiver according to the image signal.

Abstract: An intraoral scanner includes an image capturing device and a processor. A method of operating the intraoral scanner includes the image capturing device sequentially capturing M images of a buccal bite, the processor generating M sets of buccal bite point clouds according to the M images, the processor matching the M sets of buccal bite point clouds to generate a bite model, when the number of data points of the bite model exceeds a first threshold, the processor computing P sets of bite feature descriptors of the bite model, when a predetermined quantity of bite feature descriptors in a set of bite feature descriptors of the P sets of bite feature descriptors exceeds a second threshold, the processor performing a registration on an upper arch model and a lower arch model to the buccal bite mode to generate a full mouth model.