Rendering method and system of focusing type light field camera

A light-field camera and refocusing technology, which is applied to TV system components, color TV components, TVs, etc., can solve the problems affecting the rendering rate and the large amount of calculation of the rendering method, so as to improve image quality and image quality. Clear, computationally-reduced effect

Active Publication Date: 2017-01-04
SHENZHEN INST OF FUTURE MEDIA TECH +1
View PDF6 Cites 23 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the traditional rendering method, the shape of the area block is square, and the microlens array of the focusing light field camera is usually arranged in a regular hexagon, so in the rendering process, it

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Rendering method and system of focusing type light field camera
  • Rendering method and system of focusing type light field camera
  • Rendering method and system of focusing type light field camera

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The implementation of the present invention will be further described below with reference to the drawings. The specific process is as follows, and the schematic flow chart is as follows: figure 1 Shown.

[0033] S1. Input the picture taken by the focused light field camera, and record the position information and center position of each microlens and subaperture map.

[0034] S2. Calculate the depth of field according to the plane image to be refocused, and determine the size of the radius R according to the depth of field.

[0035] S3. At the center of each sub-aperture image, take a regular hexagonal area block with a radius of R.

[0036] S4. The regular hexagonal area blocks are tiled and merged in the order of the sub-aperture map to form a merged map;

[0037] S5. Process the merged image to obtain the final rendered image.

[0038] A light field camera is a device that obtains light field information, including information about a four-dimensional light radiation field wit...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a rendering method and a system of a focusing type light field camera. The method comprises steps of: S1, inputting pictures shot by a focusing type light field camera and recording position information and center information of each micro-lens and each subaperture graph; S2, according to a plane image needing to be re-focused, calculating the depth of filed thereof, and according to the depth of field, determining the size of the radius R; S3, in the center position of each subaperture graph, taking a regular hexagon region block with the radius R; S4, laying and combining the regular hexagon region blocks according to the sequence of the subaperture graphs so as to obtain a combined graph; S5, processing the combined graph so as to obtain the final rendering graph. According to the invention, by taking advantages of hexagonal arrangement features of a micro-lens array, and taking the regular hexagon region blocks of the subaperture graphs of the micro-lenses, in the rendering process, the calculated amount of the rendering method of the focusing type light field camera can be effectively reduced without conversion of a coordinate system.

Description

Technical field [0001] The invention belongs to the technical field of rendering of a light field camera, and particularly relates to a rendering method and system of a focused light field camera. Background technique [0002] A light field camera is a device that can record light direction and position information. Compared with a traditional camera, it has an additional microlens array in structure. The process of using this device to obtain an image is light field imaging. As a new direction in imaging technology, light field imaging can achieve refocusing without mechanical focusing after shooting, but by image processing calculations to achieve refocusing, and can achieve 3D reconstruction and multi-target focusing. These characteristics make it There will be a lot of room for development in future life. [0003] The light field camera can simultaneously capture the space (or position) and direction (or angle) information of the scene, that is, the four-dimensional informatio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04N5/232H04N5/225
CPCH04N23/957H04N23/55H04N23/959H04N23/67H04N23/00
Inventor 王好谦刘帝刘烨斌王兴政张永兵戴琼海
Owner SHENZHEN INST OF FUTURE MEDIA TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap