Abstract: A three-dimensional sensing apparatus including a light-projecting device, at least two image-capture devices, and a processor is provided. The processor is electrically connected to the light-projecting device and the at least two image-capture devices and adapted to provide a control signal to the light-projecting device to adjust the intensity of the illumination beam. The processor adjusts the contrast of the captured image to form a contrast-enhanced image according to a first processing signal and extracts a feature region of the contrast-enhanced image to form a feature-extraction image according to a second processing signal. The processor normalizes the intensity of the feature-extraction image to form an optimized image according to a third processing signal and forms the optimized image into a depth image according to a sensing signal.

Abstract: An image capturing device includes a frame structure, a first image capturing unit, at least one second image capturing unit, and an infrared emitting unit, wherein the first image capturing unit, the second image capturing unit, and the infrared emitting unit are respectively disposed on the frame structure. The first image capturing unit and the infrared emitting unit form a structured light depth camera module, and the first image capturing unit and the second image capturing unit form a stereo light depth camera module.

Abstract: An image processing chip and an image processing system are provided. The image processing chip includes a first image end, a second image end, an image processing block and a multiplexer. The first image end receives at least one first image data packet. The image processing block is used to convert the at least one first image data packet into at least one second image data packet. The multiplexer has a first input end coupled to the first image end, a second input end coupled to the image processing block, and an output end coupled to the second image end. When the image processing chip operates in a first mode, the multiplexer is coupled to the first input end and the output end to transmit the at least one first image data packet from the first image end to the second image through the multiplexer.

Abstract: A stereo image generating method and an electronic apparatus utilizing the method are provided. The electronic apparatus includes a first camera and a second camera capable of capturing stereo images, and a resolution of the first camera is larger than that of the second camera. In the method, a first image is captured by the first camera, and a second image is captured by the second camera. The second image is upscaled to the resolution of the first camera, and a depth map is generated with use of the first image and the upscaled second image. With reference to the depth map, the first image is re-projected to reconstruct a reference image of the second image. An occlusion region in the reference image is detected and compensated by using the upscaled second image. A stereo image including the first image and the compensated reference image is generated.

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: An image capture device and a calibration method of phase detection autofocus thereof are provided. A contrast-based autofocus procedure is executed to move a lens to multiple lens positions, and a statistical distribution of focus values is obtained based on the contrast-based autofocus procedure. Whether the phase linear relationship for a phase detection autofocus procedure is calibrated is determined according to the statistical distribution of the focus values. If yes, then a first phase difference detected when the lens is located at one of the lens positions is obtained, and a second phase difference detected when the lens is located at another one of the lens positions is obtained. The phase linear relationship of the phase detection autofocus procedure is calibrated according to the one of the lens positions, the first phase difference, the other one of the lens positions, and the second phase difference.

Abstract: A dual-camera image pick-up apparatus and an imaging capturing method thereof are provided. The dual-camera image pick-up apparatus includes a first camera, a second camera, a first buffer, a second buffer and an image signal processor (ISP). The second buffer is coupled to the second camera and configured to receive and temporarily store a raw file captured by the second camera. The ISP is coupled to the first camera, the second camera, the first buffer and the second buffer, and configured to respectively control the first camera and the second camera to capture image signals and output a first raw file and a second raw file, process the image signals in the first raw file to output a first image to the first buffer, and afterward receive the temporarily stored second raw file from the second buffer, and process the image signals in the second raw file to output a second image to the first buffer.

Abstract: An image processing chip and an image processing system are provided. The image processing chip includes a first image end, a second image end, an image processing block and a multiplexer. The first image end receives at least one first image data packet. The image processing block is used to convert the at least one first image data packet into at least one second image data packet. The multiplexer has a first input end coupled to the first image end, a second input end coupled to the image processing block, and an output end coupled to the second image end. When the image processing chip operates in a first mode, the multiplexer is coupled to the first input end and the output end to transmit the at least one first image data packet from the first image end to the second image through the multiplexer.

Abstract: An optimization method of image depth information and an image processing apparatus are provided. A to-be-repaired depth map generated based on a left image and a right image is obtained. A superpixel segmenting process is performed on the left image or the right image to obtain multiple superpixels. A plurality of image segments are obtained by aggregating the superpixels according to pixel information in the superpixels. A hole filling process is performed on holes of the to-be-repaired depth map to obtain a hole-filled depth map. A statistical analysis is performed on first valid depth values of the to-be-repaired depth map and second valid depth values of the hole-filled depth map to obtain a plurality of optimized depth values by using the ranges of the image segments, the ranges of the superpixels, the to-be-repaired depth map, and the hole-filled depth map.

Abstract: A data transmission system including a plurality of transmitters, a receiver and a power combining circuit is provided. The transmitters have a first transmitting end and a second transmitting end, respectively. The receiver has a first receiving end and a second receiving end. The power combining circuit is coupled between the first transmitting ends and the second transmitting ends of the transmitters and the first receiving end and the second receiving end of the receiver, and has a plurality of power combiners to couple the first transmitting ends of the transmitters to the first receiving end of the receiver and couple the second transmitting ends of the transmitters to the second receiving end of the receiver.

Abstract: A portable electronic device including a main body, a camera module and a movement mechanism is provided. The main body has an accommodating groove located in the main body and exposed at a surface thereof. The camera module is disposed in the accommodating groove, and the camera module has a wide angle lens. The movement mechanism is located between the camera module and the accommodating groove, and the camera module is configured to move between a first position and a second position in the accommodating groove. When the camera module is located at the first position, an upper surface of the wide angle lens is lower than or equal to the surface of the main body. When the camera module is located at the second position, the wide angel lens is protruded out of the surface of the main body.

Abstract: An image pick-up apparatus and a progressive auto-focus method thereof are provided. The image pick-up apparatus includes an optical system, an image sensor, a focus circuit and a lens control circuit. In the method, an image is captured by using the image sensor and whether the optical system is in focus when the image sensor captures the image is determined by the focus circuit. If the optical system is out of focus, an in-focus location of the optical system and an in-focus distance for moving the optical system to the in-focus location are calculated by the focus circuit. The in-focus distance is transformed into a shorter progressive distance and the optical system is controlled by the lens control circuit to move by the progressive distance. Aforesaid steps are repeated until the optical system is in focus and the image captured by the image sensor is output.

Abstract: An image capturing device and a control method thereof are disclosed, where the image capturing device includes a main controller, a primary camera, and at least one secondary camera. The primary camera receives a primary photographing parameter setting from the main controller via a primary control interface. The secondary camera obtains the primary photographing parameter setting from the primary camera through a secondary control interface to accordingly generate a secondary photographing parameter setting. The primary camera and the secondary camera respectively perform image capturing by using the primary photographing parameter setting and the secondary photographing parameter setting to respectively generate primary image data and secondary image data. The secondary camera transmits the secondary image data to the primary camera via a secondary image interface, and the primary camera transmits the primary image data and the secondary image data to the main controller via a primary image interface.

Abstract: An image capturing apparatus and a photo composition method thereof are proposed. The method is adapted to an image capturing apparatus having a first lens and a depth sensor and includes the following steps. First, a preview frame of a scene is obtained by using the first lens, and depth information of the scene is obtained by using the depth sensor. Next, scene analysis is performed on the preview frame according to the depth information so as to generate a scene analysis result. Next, whether the preview frame satisfies a photo composition requirement is determined according to the scene analysis result and a corresponding photo composition rule. If yes, the first lens is controlled to capture the preview frame; if no, a photo composition suggestion corresponding to the scene is provided according to the photo composition rule corresponding to the scene analysis result.

Abstract: An image capture device and a calibration method of phase detection autofocus thereof are provided. A contrast-based autofocus procedure is executed to move a lens to multiple lens positions, and a statistical distribution of focus values is obtained based on the contrast-based autofocus procedure. Whether the phase linear relationship for a phase detection autofocus procedure is calibrated is determined according to the statistical distribution of the focus values. If yes, then a first phase difference detected when the lens is located at one of the lens positions is obtained, and a second phase difference detected when the lens is located at another one of the lens positions is obtained. The phase linear relationship of the phase detection autofocus procedure is calibrated according to the one of the lens positions, the first phase difference, the other one of the lens positions, and the second phase difference.

Abstract: The disclosure provides a method and a system for multi-lens module alignment, adapted to perform alignment on a multi-lens module having at least a first lens and a second lens during its manufacturing stage, where the method includes the following steps. A calibration object is first captured by using the first lens and the second lens to accordingly generate intrinsic parameters and external parameters of the first lens and the second lens, where the external parameters of the first lens and the second lens are associated with a common reference coordinate system. A target object is next captured by using the first lens and the second lens, and captured images of the target object are processed by using the intrinsic parameters and the external parameters to generate rectified images. The first lens and the second lens are adjusted and aligned according to the rectified images.

Abstract: An image capturing device includes a frame structure, a first image capturing unit, at least one second image capturing unit, and an infrared emitting unit, wherein the first image capturing unit, the second image capturing unit, and the infrared emitting unit are respectively disposed on the frame structure. The first image capturing unit and the infrared emitting unit form a structured light depth camera module, and the first image capturing unit and the second image capturing unit form a stereo light depth camera module.

Abstract: An optimization method of image depth information and an image processing apparatus are provided. A to-be-repaired depth map generated based on a left image and a right image is obtained. A superpixel segmenting process is performed on the left image or the right image to obtain multiple superpixels. A plurality of image segments are obtained by aggregating the superpixels according to pixel information in the superpixels. A hole filling process is performed on holes of the to-be-repaired depth map to obtain a hole-filled depth map. A statistical analysis is performed on first valid depth values of the to-be-repaired depth map and second valid depth values of the hole-filled depth map to obtain a plurality of optimized depth values by using the ranges of the image segments, the ranges of the superpixels, the to-be-repaired depth map, and the hole-filled depth map.

Abstract: An image capturing apparatus and an image zooming method thereof are provided. In the method, a wide image and a tele image are captured by utilizing a wide-angle lens and a telephoto lens respectively. An object of interest in the wide image or the tele image is recognized. Then, a zoom factor is received to zoom the wide image or the tele image, and a capture range of a window of interest (WOI) for capturing each of the wide image and the tele image is adjusted in a zooming process such that a center of the wide image captured by the window of interest moves toward the object of interest. Also, when the zoom factor reaches a magnification of the telephoto lens, the object of interest is as the same position in the wide image and the tele image captured from the window of interest.

Abstract: An image capturing apparatus and a photo composition method thereof are proposed. The method is adapted to an image capturing apparatus having a first lens and a depth sensor and includes the following steps. First, a preview frame of a scene is obtained by using the first lens, and depth information of the scene is obtained by using the depth sensor. Next, scene analysis is performed on the preview frame according to the depth information so as to generate a scene analysis result. Next, whether the preview frame satisfies a photo composition requirement is determined according to the scene analysis result and a corresponding photo composition rule. If yes, the first lens is controlled to capture the preview frame; if no, a photo composition suggestion corresponding to the scene is provided according to the photo composition rule corresponding to the scene analysis result.