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Image-based image rendering method and system using multi-camera and depth camera arrays

A technology of depth camera and depth image, applied in the field of image, can solve the problems of image out of focus, rendered image with artifacts, image error, etc.

Active Publication Date: 2022-06-21
虞晶怡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, just like when an image camera is out of focus, when the image is not correctly reconstructed from various inputs (in this case from other images), that reconstructed image may appear out of focus or out of focus
Alternatively, the rendered image may have artifacts or other image errors

Method used

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  • Image-based image rendering method and system using multi-camera and depth camera arrays
  • Image-based image rendering method and system using multi-camera and depth camera arrays
  • Image-based image rendering method and system using multi-camera and depth camera arrays

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Embodiment Construction

[0020] Image-based rendering uses an existing set of sampled images to generate new images that conform to novel camera perspectives. In other words, image-based rendering is a rendering of images derived from other images captured by an image camera.

[0021] A light field is an example of an image-based rendering technique that uses a 4D parametric method (u, v, s, t) that describes the use of (u, v) and (s, t) exponents, respectively all rays between the two planes. A camera that captures the light field captures a subset of the full light field sampled at the camera location.

[0022] New types of cameras, also known as virtual cameras at arbitrary or user-defined locations, are cameras that are derived from other actual video cameras. When a new image is constructed, the ray for each pixel in the new image is determined for the new type of camera (based on the camera position relative to the pixels in the image plane). This ray is computed using various methods, the mo...

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PUM

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Abstract

A method and system for capturing imagery and depth for image-based rendering. Capture with a multi-camera structure by using a combination of an image camera and a depth camera. Rendering utilizes scene geometry derived from image and depth data.

Description

technical field [0001] The present invention relates to the field of image technology, and in particular, to an image-based image rendering method and system using a multi-camera and depth camera array. Background technique [0002] Images and videos can be created using a variety of techniques. For image-based rendering, where images are created based on other images, excluding the number of images that can be sampled, there can be problems determining certain contextual pieces of information. In order to improve the quality or accuracy of two-dimensional (2D) or three-dimensional (3D) images or videos from a human visual perspective, individual images need to be rendered by understanding context such as the depth of objects or scene geometry in the image. However, this is nearly impossible to accomplish unless additional information is provided. [0003] In non-image-based computer-generated renderings (eg, rasterization, ray tracing, etc.) that use geometric models, whe...

Claims

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Application Information

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IPC IPC(8): G06T15/06G06T15/20G06T7/50G06T7/80H04N13/111H04N13/271
CPCH04N13/243H04N13/254H04N13/246H04N13/111H04N13/271G06V2201/12G06T7/80G06T7/50G06T15/06G06T15/205G06T2207/10028G06T2215/16
Inventor 虞晶怡
Owner 虞晶怡
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