Abstract: A method for capturing a sound source includes: capturing a space where a microphone array is located to generate an image by a camera, wherein the microphone array is configured to receive a sound generated by the sound source and generate a sound source coordinate of the sound source relative to the microphone array; searching for a sub-image belonging to the microphone array within the images by a computing device connected to the camera; calculating a microphone coordinate of the microphone array relative to the camera by the computing device according to the sub-image; calculating a required control parameter by the computing device at least according to the sound source coordinate and the microphone coordinate; adjusting a capturing direction by the camera to capture the sound source at least according to the required control parameter.

Abstract: A video conferencing system is provided, which includes at least one camera device, a microphone array device, a sound output device, and a processor. The processor is configured to: receive multiple image signals converted by an image shot by the at least one camera device, and receive multiple voice signals converted from multiple voices captured from the microphone array device; and select at least one sound source signal corresponding to multiple personnel positions from the multiple sound signals according to the image signal and the multiple voice signals, so as to transmit at least one sound source signal corresponding to the multiple personnel positions to the sound output device, where the sound output device converts at least one sound source signal into sound for play. In addition, a video conferencing method is also disclosed herein.

Abstract: A communication method of a wireless camera comprising: connecting a pluggable device to a computing device, wherein the computing device is configured to be electrically connected to a display device; when the pluggable device determines that there is no pairing connection between the pluggable device and a wireless camera, transmitting a designated image to the computing device by the pluggable device, so that the computing device controls the display device to display the designated image, wherein the designated image has pairing data; capturing and analyzing the designated image to obtain the pairing data by the wireless camera, and establishing the pairing connection by the wireless camera according to the pairing data.

Abstract: A display system includes a camera, a processor and a display. The camera is configured to shoot a first image and a second image in order. The processor is configured to generate a third image when a difference between the first image and the second image is larger than or equal to a preset difference value. The display is configured to display the first image and the third image in order when the difference is larger than or equal to the preset difference value. A display method and an image capture device are also disclosed herein.

Abstract: An operation method of a detachable camera, wherein the detachable camera includes a camera body, a camera holder, a driving element and a control circuit, the driving element is controlled by the driving element to control the camera holder, and the operation method, performed by the control circuit, includes: triggered by a trigger signal to determine whether the camera body is on the camera holder, setting a driving current of the driving element as a first current if the camera body is on the camera holder, and setting the driving current of the driving element as a second current if the camera body is not on the camera holder, wherein the second current is lower than the first current.

Abstract: The invention discloses a target tracking method applied to a video transmission, which can automatically track a specific target and capture images according to sound. The target tracking method includes the following steps: step one is to set a first target area; step two is to determine whether a corresponding sound source position points to the first target area according to a sound source position signal; step three is to capture an image of the first target area and output to a display unit by a camera unit when the sound source position points to the first target area; and step four is to execute a sound source tracking procedure when the sound source position is not pointing to the first target area.

Abstract: An automatic scoring method, performed by a processing device, includes: obtaining a current test paper image, wherein a hand-writing script on the current test paper image has a script color; determining whether the script color is a designated color; determining whether a database stores a reference text string if the script color is not the designated color; aligning the current test paper image with a reference test paper image corresponding to the reference text string and using reference coordinates to compare the current test paper image with the current test paper image to output a test score when the database stores the reference text string; and identifying the hand-writing script to store an identification result as the reference text string and storing position coordinates of the hand-writing script on the current test paper image as the reference coordinates if the script color is the designated color.

Abstract: A microphone device includes a first circuit board, a plurality of first microphones and a plurality of second microphones. The first microphones are disposed on the first circuit board and arranged along a first spiral about the reference point. The second microphones are disposed on the first circuit board and arranged along a second spiral about the reference point, wherein the second spiral is non-overlapped with the first spiral. The first microphones and the second microphones are point-symmetrical with respect to the reference point, the first microphones and the second microphones form a plurality of microphone sets, and each of the microphone sets comprises one of the first microphones and one of the second microphones which are point-symmetrical with respect to the reference point.

Abstract: A method for transparentizing a target object of a video includes following steps performed by a processor: extracting a target block corresponding to an target object from a frame of the video; setting a target transparentizing weight corresponding to the target block; performing a dilation operation upon the target block to generate a dilation outline enclosing the target block; setting a dilation transparentizing weight according to a dilation region, wherein the dilation region is a region inside the dilation outline and outside the target block; cutting a background block from the frame according to the dilation outline; and performing an overlapping operation according to a previous background block, the background block, the target block, the target transparentizing weight, the dilation region, and the dilation transparentizing weight to generate an output frame, wherein the previous background block does not correspond to the target object.

Abstract: A method for filtering noise of lens operation is applicable to a controller being communicably connected with a video recorder. The method includes: sending, by the controller, a recording instruction configured to control the video recorder to perform a video recording and an audio recording; sending, by the controller, a lens operation instruction configured to control a lens of the video recorder to perform an operation; reading, by the controller, an inverted noise signal associated with the operation receiving, by the controller, an audio recording signal generated by the video recorder when the video recorder performs the operation; and synthesizing, by the controller, the audio recording signal and the inverted noise signal to output a synthesized audio signal.

Abstract: An image capturing assembly including a mounting base, a driving component, a first gear, a second gear, a lens assembly, a third gear and a resistance component. The driving component is disposed on the mounting base. The first gear is connected to the driving component and configured to be driven by the driving component. The second gear is pivotally connected to the mounting base and connected to the first gear. The driving component is configured to drive the second gear via the first gear. The lens assembly is fixed to the second gear. The third gear is pivotally connected to the mounting base and engaged with the second gear. The resistance component presses against the third gear to allow the third gear to transmit a resistance against the second gear during a rotation of the second gear.

Abstract: An image correction method, applicable to an image to be corrected having two boundary, comprises: extending a first and a second straight line in the image to be corrected to generate a first and a second extended straight line with both of them intersecting the first and second boundary to generate multiple intersection points; performing an extrapolation process based on multiple intersection points, center points of the two boundaries, and a half side length to generate a first and a second extrapolation line, rotating the image to be corrected when the first and second extrapolation lines have different slope values to generate a preliminary corrected image; and performing a Keystone correction process when the first and second extrapolation lines have same slope values or when obtaining the preliminary corrected image to generate a corrected image.

Abstract: A display system and method of interacting with the display system are provided. The method of interacting with the display system comprises following steps: receiving an audio signal through an audio input device; converting the audio signal to corresponding text data through a voice-to-text converting module; generating a corresponding display image according to a document file; acquiring multiple identification data corresponding to the display image from the document file; comparing the text data with the identification data; and if the text data corresponds to one of the identification data, moving or displaying a marker on the display image through the display system according to a coordinate of one of the identification data.

Abstract: An operation judgment method for an interactive touch system, which is applied by a first electronic device in cooperation with a second electronic device. The first electronic device receives a projected image from the second electronic device. The projected image is displayed on a display surface of the first electronic device. The operation judgment method includes steps S1 to S3. Step S1 generates a plurality of touch feature information corresponding to a plurality of touchpoints according to a touch action. Each touch feature information includes a plurality of eigenvalues, and the touch feature information is stored in a touch register module, wherein the first touch feature information of each touch action is the initial touchpoint. Step S2 sequentially analyzes the touch feature information to generate a first command or a second command. Step performs a corresponding operation according to the first command or the second command.

Abstract: The present invention discloses a method for pairing and interconnecting electronic devices, which cooperates with at least two electronic devices that are grouped as a transmitting end and a receiving end respectively, and the transmitting end operates in a first mode. The method for pairing and interconnecting electronic devices comprises at least Step 1 to Step 4. Step 1 refers to searching any available transmitting end in a wireless manner by the receiving end, and displaying a connection name of the transmitting end on the receiving end. Step 2 refers to prompting a dynamic operating instruction by the receiving end. Step 3 refers to executing operation by the transmitting end based on the dynamic operating instruction and thereby issuing an action instruction. Step 4 refers to receiving the action instruction by the receiving end, and establishing a connection with the transmitting end which issues the action instruction.

Abstract: A remote screenshot method adapted to a sender and a receiver having a communicable connection with the sender, wherein the sender electrically connects to an electronic device to receive an image signal outputted by the electronic device, the receiver electrically connects to a display device to show the image signal, and the remote screenshot method comprises: sending a capturing instruction through a first communication circuit by the sender; receiving the capturing instruction through a second communication circuit by the receiver; obtaining a captured image according to the capturing instruction by the sender, wherein the captured image is associated with the image signal shown by the display device; sending the captured image to the first communication circuit through the second communication circuit by the receiver; and storing the captured image in a storage circuit by the sender.

Abstract: A wireless camera includes a wireless signal transceiver device, a processor circuit, and a camera device. The processor circuit controls the wireless signal transceiver device to operate at a Miracast mode in response to a first command, in order to connect with an external device. The camera device shots an object to generate first video streaming data having a first format. Under the Miracast mode, the processor circuit repacks the first video streaming data as second video streaming data having a second format, and transmits the second video streaming data to the external device via the wireless signal transceiver device, and in order to display the second video streaming data by the external device.

Abstract: A method for filtering noise of lens operation is applicable to a controller being communicably connected with a video recorder. The method includes: sending, by the controller, a recording instruction configured to control the video recorder to perform a video recording and an audio recording; sending, by the controller, a lens operation instruction configured to control a lens of the video recorder to perform an operation; reading, by the controller, an inverted noise signal associated with the operation receiving, by the controller, an audio recording signal generated by the video recorder when the video recorder performs the operation; and synthesizing, by the controller, the audio recording signal and the inverted noise signal to output a synthesized audio signal.

Abstract: A sound source tracking method adapted to an ongoing video conference comprising: obtaining a streaming signal of the video conference from an internet; performing a video conference procedure to obtain an audio signal from the streaming signal and send the audio signal to a speaker; performing an audio tracking procedure to obtain the audio signal outputted from the video conference procedure to the communication device and send the audio signal to a sound source tracking camera; playing the audio signal to generate a far-end sound; recording a field sound comprising at least one of the far-end sound and a local-end sound; and performing a comparing procedure to determine a shooting direction of the sound source tracking camera, wherein the shooting direction is adjusted so as not to shoot the speaker when a similarity of the far-end sound and the audio signal is greater than a threshold.

Abstract: An extension apparatus for a universal serial bus (USB) interface includes a transmitting device, a receiving device and an electrical signal network cable. The transmitting device includes the following elements: a first packet-processing unit to receive a first interface packet and generate an original data accordingly, a first buffering unit to temporarily store the original data, and a first data-converting unit to generate and output a network packet signal based on the original data. The receiving device includes the following elements: a second data-converting unit to receive the network packet signal and generate the original data accordingly, a second buffering unit to temporarily store the original data, and a second packet-processing unit to receive the original data and generate the first interface packet. The electrical signal network cable is electrically coupled between the transmitting device and the receiving device to transmit the network packet signal.