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View map array division method

A perspective and array technology, which is applied in the field of perspective map array division, can solve problems such as not considering the division method, and achieve the effect of reducing the complexity of encoding and decoding

Active Publication Date: 2018-06-19
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

However, Zhao's method only considers the checkerboard division in the division of the reference perspective map and the reconstructed perspective map, and does not consider the sparser division method.

Method used

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] An embodiment of the present invention provides a method for dividing an array of perspective graphs, such as figure 1 As shown, it mainly includes the following steps:

[0025] Step 1. Decompose the light field image to obtain a perspective map array.

[0026] In this step, conventional techniques can be used to decompose the light field image, so as to obtain the viewing angle map array.

[0027] Step 2. Use the ADP or SMP algorithm to d...

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Abstract

The invention discloses a view map array division method which comprises the following steps: decomposing a light field image to acquire a view map array; and performing reference view map and rebuiltview map division on the view map array by using an ADP (Automatic Data Processing) or SMP (Symmetric Multi-Processing) algorithm to enable a proportion and a sparse degree of reference view maps inthe divided view map array to be both less than preset targets. The method can enable the proportion of the reference view maps to be lower and enable sampling to be sparser, thereby reducing the overall encoding and decoding complexity.

Description

technical field [0001] The invention relates to the technical field of light field image compression, in particular to a method for dividing an array of view angle images. Background technique [0002] A light field camera can record light intensity and direction information (ie, light field information) in a space scene. Inside a light-field camera, a microlens array is placed in front of the CCD sensor, near the focal length of the main lens. Each microlens corresponds to a pixel block (ie, macropixel), and the light field image consists of N*M macropixels, where N and M are the height and width of the microlens array, respectively. If each microlens is regarded as a small hole, the back of the main lens forms an inverted image on each macro pixel—that is, each macro pixel can be regarded as a sampling of the main lens in a specific direction. [0003] The pixel points at the same position of each macro pixel are taken out and arranged sequentially to obtain a 2D viewing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N19/42G06T9/00
CPCH04N19/42G06T9/00H04N23/60
Inventor 陈志波赵盛洋
Owner UNIV OF SCI & TECH OF CHINA
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