Abstract: Embodiments of the present disclosure provide a method and apparatus for content rendering, a device, a medium and a product. The method includes: obtaining a point cloud group to be rendered; for respective Gaussian spheres, determining a projection matrix of the Gaussian spheres in a binocular camera coordinate system corresponding to a virtual reality device; for respective pixel points in the projection area, determining a target area in the screen space corresponding to the pixel points; determining attenuation coefficients of the Gaussian spheres in the target area based on a rendering resolution corresponding to the target area, a rendering resolution corresponding to the gaze area and the projection matrix; determining rendering parameters of the pixel points according to the attenuation coefficients and color information corresponding to the Gaussian spheres, and performing a rendering operation on the pixel points based on the rendering parameters.

Abstract: The present disclosure provides a panoramic image generation method and apparatus, an electronic device, and a storage medium. A panoramic image generation method includes: generating a first panoramic image with a first resolution based on image description text; and redrawing and zooming in the first panoramic image, and adding an image detail into the first panoramic image, to obtain a second panoramic image with a second resolution. The first resolution is smaller than the second resolution.

Abstract: Embodiments of the present application provide a disparity adjustment method, a device, and a storage medium. The method includes: acquiring a depth map of a current frame during a process of recording an extended reality video, wherein the current frame includes a left-eye image and a right-eye image; determining a depth value of the current frame based on the depth map of the current frame; determining disparity adjustment parameters of the current frame based on the depth value of the current frame and a target depth value, wherein the disparity adjustment parameters include a scaling factor and an offset of an image, and the disparity adjustment parameters are used to adjust a disparity of the current frame to a target disparity corresponding to the target depth value; adding the disparity adjustment parameters of the current frame to a video file of the extended reality video.

Abstract: The present disclosure provides a method and an apparatus for generating views of a three-dimensional model, an electronic device, and a storage medium. The method for generating views of a three-dimensional model includes: obtaining a three-dimensional geometric model and a text description; and generating views of a target three-dimensional model based on the geometric model and the text description, wherein the target three-dimensional model has texture information and the target three-dimensional model conforms to the text description, a similarity between a contour of the target three-dimensional model and a contour of the geometric model is greater than a preset similarity, and the views of the target three-dimensional model include: views corresponding to first camera poses, the number of the first camera poses being one or more.

Abstract: Methods and associated systems and apparatus for generating a three-dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.

Abstract: Embodiments of the present application provide three-dimensional scene reconstruction method, apparatus, device, and a storage medium. The method comprises the following steps: constructing a neural radiance field for a three-dimensional scene based on a multi-view image sequence in the three-dimensional scene; for each given point location center, determining ray sampling points at the point location center and color information of the ray sampling points based on the neural radiance field; performing multi-layer rendering on the color information of the ray sampling points to obtain a multi-sphere image reconstructed for the three-dimensional scene at the point location center.

Abstract: The disclosure discloses a method, an apparatus, a storage medium, a device and a program product for image processing. The method includes: obtaining a prompt word and a scene mesh, wherein the prompt word is text information provided by a user and represents a scene style, and the scene mesh is a three-dimensional mesh with a real texture generated based on a real scene reconstruction; generating a stylized panoramic texture map at the center position of the scene mesh based on the prompt word; projecting the texture of the stylized panoramic texture map to the visible area of the scene mesh to obtain a first stylized mesh texture mapping; and performing a spatial texture propagation processing on the first stylized mesh texture mapping to fill the non-visible area of the scene mesh to obtain a second stylized mesh texture mapping.

Abstract: Methods and associated systems and apparatus for generating a three- dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.

Abstract: Methods and associated systems and apparatus for generating a three-dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.

Abstract: Methods and systems for generating a real-time map of a survey area are provided. The methods and systems may include or be configured to carry out the steps of determining, based on a desired map resolution, a flight path over the survey area for a movable object having at least one image capture device. The methods and systems further may include obtaining images of the survey area captured by the at least one image capture device as the movable object travels along the flight path, and processing the images to generate the real-time map of the survey area with the desired map resolution.

Abstract: A method includes simulating one or more states of a movable object by implementing a movable object model. Each simulated state is associated with simulated state data of the movable object. The method further includes determining one or more sets of simulated sensor data corresponding to the one or more simulated states respectively by implementing a plurality of sensor models, determining environment data of a simulated environment surrounding the movable object by implementing an environment model, providing the one or more sets of simulated sensor data to a movable object controller configured for generating control signals to adjust states of the movable object, and providing the simulated state data and the environment data to a vision simulator configured for visualizing operations of the movable object in the one or more simulated states.

Abstract: Methods and associated systems and apparatus for generating a three-dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.

Abstract: Methods and associated systems and apparatus for generating a three-dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.

Abstract: A vision-based positioning method includes extracting first features from a first image and second features from a second image, determining initial matching pairs according to the first features and the second features, extracting satisfying matching pairs that meet a requirement from the initial matching pairs according to an affine transformation model, and determining a position-attitude change according to the satisfying matching pairs. The first image and the second image are obtained by a vision sensor carried by an aerial vehicle. The position-attitude change indicates a change from a position-attitude of the vehicle when the vision sensor captures the first image to a position-attitude of the vehicle when the vision sensor captures the second image.

Abstract: A three-dimensional (3D) reconstruction system based on aerial photography includes an unmanned aerial vehicle (UAV), a ground station, and a cloud server. The ground station is configured to determine an aerial photography parameter for indicating an aerial photography state of the UAV based on a user operation and transmit the aerial photography parameter to the UAV. The UAV is configured to receive the aerial photography parameter transmitted by the ground station; fly based on the aerial photography parameter and control an imaging device carried by the UAV to acquire aerial images during a flight; and transmit the aerial images to the cloud server. The cloud server is configured to receive the aerial images and generate a 3D model of a target area based on the aerial images.

Abstract: A method includes simulating one or more states of a movable object by implementing a movable object model. Each simulated state is associated with simulated state data of the movable object. The method further includes determining one or more sets of simulated sensor data corresponding to the one or more simulated states respectively by implementing a plurality of sensor models, determining environment data of a simulated environment surrounding the movable object by implementing an environment model, providing the one or more sets of simulated sensor data to a movable object controller configured for generating control signals to adjust states of the movable object, and providing the simulated state data and the environment data to a vision simulator configured for visualizing operations of the movable object in the one or more simulated states.

Abstract: Methods and systems for generating a real-time map of a survey area are provided. The methods and systems may include or be configured to carry out the steps of determining, based on a desired map resolution, a flight path over the survey area for a movable object having at least one image capture device. The methods and systems further may include obtaining images of the survey area captured by the at least one image capture device as the movable object travels along the flight path, and processing the images to generate the real-time map of the survey area with the desired map resolution.

Abstract: A method includes obtaining state data of a movable platform, scene data of an environment within which the movable platform is simulated, and parameters of one or more imaging sensors borne on the movable platform, varying one or more of the state data, the scene data, and the parameters to obtain varied data, and simulating visual data captured by the one or more imaging sensors based on the varied data for the one or more of state data, the scene data, and the parameters.

Abstract: A method for 3-dimensional point cloud reconstruction includes obtaining image data in a current view angle, and generating a target voxel of a target object in the current view angle according to the image data. The target voxel contains depth information. The method further includes, if a value of the depth information of the target voxel is not within a preset range, discarding the target voxel and, if the value of the depth information of the target voxel is within the preset range, fusing the target voxel with one or more stored voxels.

Abstract: Methods and associated systems and apparatus for generating a three-dimensional (3D) flight path for a moveable platform such as an unmanned aerial vehicle (UAV) are disclosed herein. The method includes receiving a set of 3D information associated with a virtual reality environment and receiving a plurality of virtual locations in the virtual reality environment. For individual virtual locations, the system receives a corresponding action item. The system then generates a 3D path based on at least one of the set of 3D information, the plurality of virtual locations, and the plurality of action items. The system then generates a set of images associated with the 3D path and then visually presents the same to an operator via a virtual reality device. The system enables the operator to adjust the 3D path via the virtual reality device.