Abstract: A computation device, a sensing device and a processing method based on time-of-flight (ToF) ranging are provided. In the method, intensity information of at least two phases corresponding to at least one pixel is obtained. The intensity information is generated by sensing a modulation light with time delays using these phases. Whether to abandon the intensity information of the at least two phases corresponding to the pixel is determined according to the difference between the intensity information of the at least two phases. Accordingly, the influence caused by motion blur would be reduced on depth information estimation.

Abstract: An exposure method and an image sensing device using the same are provided. The exposure method includes the following steps: obtaining a first light-intensity confidence value of each pixel unit based on a first exposure time; obtaining a second light-intensity confidence value of each pixel unit based on a second exposure time, wherein the second light-intensity confidence value is different from the first light-intensity confidence value; and taking the phase difference value, corresponding to one of the light-intensity confidence value and the second light-intensity confidence value of each pixel unit, as an output value of the corresponding pixel unit.

Abstract: A movable electronic device and an operating method thereof are provided. The movable electronic device includes a first image capturer, a second image capturer, a processor and a light source generator. The first image capturer is configured to capture images of a moving object and generate position information according to the images. The second image capturer is configured to image the object according to the position information and generate time-of-flight sensing information. The processor is configured to generate a control signal according to the position information and calculate depth information related to the object according to the time-of-flight sensing information. The light source generator generates a light beam on the object according to the control signal.

Abstract: An anti-overexposure circuit structure and an electronic device using the same are provided. An anti-overexposure circuit structure includes a first capacitor, a second capacitor, a photo diode, a first switch and a control circuit. The photo diode is coupled to the first capacitor and the second capacitor. The first switch is serially connected to the photo diode. The control circuit is coupled to the first switch and configured to: control the first switch to be turned off when SOC of the first capacitor or SOC of the second capacitor the SOC is lower than a predetermined level. As a result, it can prevent pixel unit of the electronic device from being overexposed.

Abstract: The present invention provides an image display method applied to an augmented reality (AR) system which positions a virtual object by a marker image. The image display method includes that: a reality image is acquired, wherein the reality image includes a first image where the marker image is positioned and a second image, and the marker image includes a known pattern; the first image in the reality image is replaced with an extending image of the second image on the basis of a relationship between the known pattern and the first image to generate a display image; and the display image is displayed. Therefore, the condition that an AR image includes the marker image and thus the whole image looks unnatural may be avoided. In addition, the AR system using the foregoing method is also provided.

Abstract: An image processing system including a camera, a positioning device, a processor and a display is provided. The camera captures a real view image. The positioning device detects a camera position of the camera. The processor receives a high-precision map and a virtual object, calculates a camera posture of the camera according to the camera position by using a simultaneous localization and mapping (SLAM), projects a depth image according to the camera posture and a three-dimensional information of the high-precision map, superimposes the depth image and the real view image to generate a stack image, and superimposes the virtual object to the stack image according to a virtual coordinate of the virtual object to produce a rendered image. The display displays the rendered image.

Abstract: An exposure method and an image sensing device using the same are provided. The exposure method includes the following steps: obtaining a first light-intensity confidence value of each pixel unit based on a first exposure time; obtaining a second light-intensity confidence value of each pixel unit based on a second exposure time, wherein the second light-intensity confidence value is different from the first light-intensity confidence value; and taking the phase difference value, corresponding to one of the light-intensity confidence value and the second light-intensity confidence value of each pixel unit, as an output value of the corresponding pixel unit.

Abstract: A control method for a time-of-flight sensing system includes the following steps. Firstly, a modulation signal with a specified period is provided. The specified period is divided into a first time segment and a second time segment. Then, the modulated light source is disabled. A reflection signal generated by the photo detector in each first time segment is transmitted to a first sensing circuit. The reflection signal generated by the photo detector in each second time segment is transmitted to a second sensing circuit. Consequently, a first sensing value and a second sensing value are generated. If the time-of-flight sensing system is not interfered, the modulated light source is enabled, and the modulated light source emits a modulated light according to the modulation signal. If the time-of-flight sensing system is interfered, the specified period of the modulation signal is changed.

Abstract: An anti-overexposure circuit structure and an electronic device using the same are provided. An anti-overexposure circuit structure includes a first capacitor, a second capacitor, a photo diode, a first switch and a control circuit. The photo diode is coupled to the first capacitor and the second capacitor. The first switch is serially connected to the photo diode. The control circuit is coupled to the first switch and configured to: control the first switch to be turned off when SOC of the first capacitor or SOC of the second capacitor the SOC is lower than a predetermined level. As a result, it can prevent pixel unit of the electronic device from being overexposed.

Abstract: A computation device, a sensing device and a processing method based on time-of-flight (ToF) ranging are provided. In the method, intensity information of at least two phases corresponding to at least one pixel is obtained. The intensity information is generated by sensing a modulation light with time delays using these phases. Whether to abandon the intensity information of the at least two phases corresponding to the pixel is determined according to the difference between the intensity information of the at least two phases. Accordingly, the influence caused by motion blur would be reduced on depth information estimation.

Abstract: A system and a method for traveling with drone are provided. An electronic device rents a first drone through a rental system and controls the first drone to fly at an attraction. The first drone captures a picture of the attraction through an image capturing device. A first head mounted display displays the picture.

Abstract: An image display system including a display, a positioning device, an image capturing device and a processor is provided. The positioning device determines a viewing direction according to a positional relationship of the display and a reference object, the image capturing device acquires an image according to the viewing direction and a position parameter, and the display displays the image. In addition, an image display method and a virtual window are also provided.

Abstract: The present invention provides an image display method applied to an augmented reality (AR) system which positions a virtual object by a marker image. The image display method includes that: a reality image is acquired, wherein the reality image includes a first image where the marker image is positioned and a second image, and the marker image includes a known pattern; the first image in the reality image is replaced with an extending image of the second image on the basis of a relationship between the known pattern and the first image to generate a display image; and the display image is displayed. Therefore, the condition that an AR image includes the marker image and thus the whole image looks unnatural may be avoided. In addition, the AR system using the foregoing method is also provided.

Abstract: A depth imaging device is provided. A first camera and a second camera form a first depth imaging system. A projection element and a second camera form a second depth imaging system. The control unit is configured to instruct one of the first and second depth imaging systems to acquire a depth map and a confidence map, and determine whether each of confidence values in the confidence map is less than a confidence threshold value. If each of the confidence values is less than the confidence threshold value, then the control unit turns on the other of the first and second depth imaging systems. If at least one of the confidence values is not less the confidence threshold value, then the control unit determines whether a closest distance in the depth map falls within a predetermined range or not. A driving method of a depth imaging device is also provided.

Abstract: An image processing system including a camera, a positioning device, a processor and a display is provided. The camera captures a real view image. The positioning device detects a camera position of the camera. The processor receives a high-precision map and a virtual object, calculates a camera posture of the camera according to the camera position by using a simultaneous localization and mapping (SLAM), projects a depth image according to the camera posture and a three-dimensional information of the high-precision map, superimposes the depth image and the real view image to generate a stack image, and superimposes the virtual object to the stack image according to a virtual coordinate of the virtual object to produce a rendered image. The display displays the rendered image.

Abstract: An image processing system includes a camera, a positioning device, a posture estimation device, and a processor. The camera captures a real environment. The positioning device detects a camera position of the camera. The posture estimation device detects a camera posture of the camera. The processor estimates light source information according to time information and latitude information. And, the processor makes a reflected image of the real environment be appeared on a first virtual object according to the camera position, the camera posture, real environment information corresponding to the real environment, the light source information, first virtual information of the first virtual object, and a ray tracing algorithm.

Abstract: An electronic apparatus and a method of generating a depth map are provided. The electronic apparatus includes a projection device, a first camera, a second camera, and a processing device. The projection device projects patterned invisible light on a scene. The first camera captures visible light information to generate a first image. The second camera captures visible light information and invisible light information to generate a second image. The processing device receives the first image and the second image. A first depth information unit in the processing device compares visible light images of the first image and the second image to obtain first depth information, and a second depth information unit in the processing device identifies an invisible light image in the second image to obtain second depth information. The processing device generates a depth map of the scene from the first depth information and the second depth information selectively.

Abstract: A depth determining method and a depth determining device of an operating body are provided. The depth determining method includes following steps: deriving a first image and a second image that include the operating body from the at least two image capturing units respectively to calculate a first width of the operating body and a first displacement distance of the operating body between the first image and the second image in a first time point; deriving the first image and the second image that include the operating body from the at least two image capturing units respectively to calculate a second width of the operation body in a second time point; and calculating displacement depth of operating body between the first time point and the second time point by a transform function according to the first displacement distance and a different between the first width and the second width.

Abstract: A depth imaging device is provided. A first camera and a second camera form a first depth imaging system. A projection element and a second camera form a second depth imaging system. The control unit is configured to instruct one of the first and second depth imaging systems to acquire a depth map and a confidence map, and determine whether each of confidence values in the confidence map is less than a confidence threshold value. If each of the confidence values is less than the confidence threshold value, then the control unit turns on the other of the first and second depth imaging systems. If at least one of the confidence values is not less the confidence threshold value, then the control unit determines whether a closest distance in the depth map falls within a predetermined range or not. A driving method of a depth imaging device is also provided.

Abstract: An optical touch device includes a foldable frame assembly, two image sensing units and two light emitting units. The foldable frame assembly comprises a first frame, a second frame, a third frame and a fourth frame. The two image sensing units are disposed on opposite ends of the fourth frame respectively. The two light emitting units are disposed on opposite ends of the fourth frame respectively and adjacent to the two image sensing units respectively. The frames of the foldable frame assembly are pivotally connected to each other such that the frames can rotate with respect to each other so as to be folded or expanded.