A binocular-vision-based method for tracking fruit space attitude and fruit space motion, the method comprising: establishing a connected base coordinate system by taking a junction of a fruit and a fruit stem as an origin; statically photographing a feature point on the surface of the fruit and a point of the connected base coordinate system established at the junction of the fruit and the fruit stem; storing a photographed image; acquiring an inherent relationship between the feature point and the connected base coordinate system; photographing dynamic motion of the fruit; acquiring absolute coordinates of the feature point on the surface of the fruit; calculating, according to the inherent relationship between the feature point and the connected base coordinate system, absolute coordinates of a point of the connected base coordinate system at each moment corresponding to each frame of image; and respectively calculating the displacement, instantaneous speed and instantaneous acceleration of the fruit, calculating swing angular displacement and swing angular acceleration of the fruit, and calculating a fruit torsion angular speed and a fruit torsion angular acceleration at the moment t. The study of a fruit motion state in the field of forest fruit harvest through vibration is performed, so that the motion of fruits can be better tracked.

A binocular-vision-based method for tracking fruit space attitude and fruit space motion, the method comprising: establishing a connected base coordinate system by taking a junction of a fruit and a fruit stem as an origin; statically photographing a feature point on the surface of the fruit and a point of the connected base coordinate system established at the junction of the fruit and the fruit stem; storing a photographed image; acquiring an inherent relationship between the feature point and the connected base coordinate system; photographing dynamic motion of the fruit; acquiring absolute coordinates of the feature point on the surface of the fruit; calculating, according to the inherent relationship between the feature point and the connected base coordinate system, absolute coordinates of a point of the connected base coordinate system at each moment corresponding to each frame of image; and respectively calculating the displacement, instantaneous speed and instantaneous acceleration of the fruit, calculating swing angular displacement and swing angular acceleration of the fruit, and calculating a fruit torsion angular speed and a fruit torsion angular acceleration at the moment t. The study of a fruit motion state in the field of forest fruit harvest through vibration is performed, so that the motion of fruits can be better tracked.

The subject technology retrieves, by a client device from a storage device, first image data captured by the client device at a previous time. The subject technology receiving first metadata corresponding to a selected image processing operation. The subject technology generates second image data based on the first metadata and the image processing operation performed on the first image data. The subject technology generates second metadata comprising information related to the image processing operation, the second metadata including a first identifier associated with the first image data, and second identifier associated with the second image data. The subject technology generates a message comprising the second metadata, the second image data, and the first image data.

The subject technology retrieves, by a client device from a storage device, first image data captured by the client device at a previous time. The subject technology receiving first metadata corresponding to a selected image processing operation. The subject technology generates second image data based on the first metadata and the image processing operation performed on the first image data. The subject technology generates second metadata comprising information related to the image processing operation, the second metadata including a first identifier associated with the first image data, and second identifier associated with the second image data. The subject technology generates a message comprising the second metadata, the second image data, and the first image data.

A graphics design system provides intuitive 3D transformations for 2D objects. A user interface element is presented on 2D object or group of 2D objects. The user interface element comprises a combination of components for applying different 3D transformations, including at least one rotation component for rotating a 2D object or group of 2D objects around an axis and at least one translation component for translating the 2D object or group of 2D objects along at least one axis. 3D transformations are non-destructive and performed relative to axes local to a 2D object or 2D objects. When a 2D object or group of 2D objects is rotated around an axis, the other axes are rotated. As such, subsequent rotations and translations are performed based on the rotated axes. Additionally, editing actions associated with rotated 2D object(s) are performed in the rotated x-y plane of the rotated 2D object(s).

A graphics design system provides intuitive 3D transformations for 2D objects. A user interface element is presented on 2D object or group of 2D objects. The user interface element comprises a combination of components for applying different 3D transformations, including at least one rotation component for rotating a 2D object or group of 2D objects around an axis and at least one translation component for translating the 2D object or group of 2D objects along at least one axis. 3D transformations are non-destructive and performed relative to axes local to a 2D object or 2D objects. When a 2D object or group of 2D objects is rotated around an axis, the other axes are rotated. As such, subsequent rotations and translations are performed based on the rotated axes. Additionally, editing actions associated with rotated 2D object(s) are performed in the rotated x-y plane of the rotated 2D object(s).

Computing devices and methods for reading gauges are disclosed. A gauge reading method includes capturing image data corresponding to a captured image of one or more gauges, detecting one or more gauges in the captured image, cropping a detected gauge in the captured image to provide a use image including the detected gauge, and classifying the detected gauge to correlate the detected gauge with a template image. The gauge reading method also includes attempting to perform feature detection rectification on the use image to produce a rectified image of the detected gauge, performing template matching rectification on the use image to produce the rectified image responsive to a failure to perform the feature detection rectification, and estimating a gauge reading responsive to the rectified image. A computing device may implement at least a portion of a gauge reading method.

Computing devices and methods for reading gauges are disclosed. A gauge reading method includes capturing image data corresponding to a captured image of one or more gauges, detecting one or more gauges in the captured image, cropping a detected gauge in the captured image to provide a use image including the detected gauge, and classifying the detected gauge to correlate the detected gauge with a template image. The gauge reading method also includes attempting to perform feature detection rectification on the use image to produce a rectified image of the detected gauge, performing template matching rectification on the use image to produce the rectified image responsive to a failure to perform the feature detection rectification, and estimating a gauge reading responsive to the rectified image. A computing device may implement at least a portion of a gauge reading method.

An optical imaging system for imaging a target during a medical procedure, the optical imaging system involving a first camera for capturing a first image of the target, a second wide-field camera for capturing a second image of the target, at least one optional path folding mirror disposed in an optical path between the target and a lens of the second camera, and a processor for receiving the first image and the second image, the processor configured to apply an image transform to one of the first image and the second wide-field image and combine the transformed image with the other one of the images to produce a stereoscopic image of the target.

A gallery view or a virtual space view is provided in an online meeting user interface associated with a videoconferencing system. The gallery view or virtual space view displays video feeds of meeting participants on their respective participant computers. The video feeds are camera-captured views of each of the meeting participants. The videoconferencing system receives an electronic request from one or more meeting participants via the meeting participant's respective participant computer to either display a mirrored view of the video feed of the meeting participant to all meeting participants in the online meeting, or display an unmirrored view of the video feed of the meeting participant to all meeting participants in the online meeting. A video processor associated with the videoconferencing system creates the respective mirrored or unmirrored view of the video feed of each of the meeting participants whose participant computer sent the electronic request. The videoconferencing system then generates instructions for a gallery view or virtual space view in the online meeting user interface using the mirrored or unmirrored view of the video feeds created by the video processor, and transmits instructions to display the gallery view or virtual space view to all meeting participants on their respective participant computers.