Abstract: An automatic food inspection device includes a feeding container, a track conveying device, a transparent track and an image capture module. The feeding container is used for accommodating the objects to be tested, the track conveying device is connected to the feeding container for conveying the objects to be tested, and the transparent track is separated with the track conveying device to further convey the objects to be tested. In addition, the image capture module is located adjacent to the track conveying device and the transparent track to capture images of the objects to be tested to judge the quality of the objects to be tested. In addition, the image capture module includes a plurality of image sensors, and a plurality of lighting devices to illuminate the objects to be tested while passing through the transparent track.

Abstract: The present invention provides an orientation adjustment device and an orientation adjustment method of a displayed image. The orientation adjustment method includes the following steps. Step 1 is to capture a first image frame and a second image frame sequentially by an image capturing unit. Step 2 is to obtain a plurality of first pixel feature values near a first side in the first image frame. Step 3 is to obtain a plurality of second pixel feature values near the first side in the second image frame. Step 4 is to obtain a difference feature value according to the first pixel feature value and the second pixel feature value. Step 5 is to rotate the image frames output by the image capture unit so that the first side is corresponding to the predetermined display side if the difference feature value is greater than a threshold.

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: 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: 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 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 controlling the image display includes an image capturing process, an image recognition process, a feature determination process, an image updating process, and an image outputting process. The image capturing process is to capture an input image. The image recognition process is to recognize a specified feature in the input image and generate a recognized image. The feature determination process is to determine whether a target feature exists in the recognized image and when the target feature exists in the recognized image, it also determines whether there is an indication pattern recorded in the image control system and generates a first command or a second command accordingly. The image updating process is to generate an indicator pattern according to the first command and superimpose the indicator pattern on the input image to generate an output image. The image outputting process is to output the output image.

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: 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: An automatic tracking method used in conjunction with a PTZ camera device, wherein an image capturing range of the PTZ camera device is set with a first preset range and a second preset range. The method includes the following steps. Step 1 performs a real-time tracking mode when a target object is within the first preset range, wherein the camera position of a first lens of the PTZ camera device is adjusted with the movement of the target object. Step 2 records an object distance value and perform a region tracking mode when the target object is within the second preset range, which fixes the camera position of the first lens of the PTZ camera device and tracks the target within the second preset range object. Step 3 switches from the region tracking mode to the real-time tracking mode when the object distance of the target object changes.

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 intelligent light supplement device, video apparatus, and an intelligent light supplement method are disclosed. The intelligent light supplement device includes a light source input module, a light source computing module, and a light source output module. The light source input module has a light sensing unit, which receives an ambient light source. The light source computing module is electrically connected to the light source input module, compares the ambient light source with a content of an illuminance comparison table to generate an illuminance control signal corresponding to an apparatus illuminance value, and/or compares the ambient light source with a content of a color temperature comparison table to generate a color temperature control signal corresponding to an apparatus color temperature value. The light source output module has a light emitting unit and drives the light emitting unit according to the illuminance control signal and/or the color temperature control 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: The present disclosure provides a dual-lens movement control method, which includes steps as follows. The tracking target is detected through the wide-angle lens, and the final tracking range is calculated; the magnification and the position are determined according to the final tracking range; the separate mode or the alignment mode is determined according to the magnification and the position.

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.