2D and 3D Image Enhancement

2D and 3D Image Enhancement

Outlines:What is a 3D image?Relationships between 2D and 3D

effects.How the enhancement works.What are the outcomes.

What is a 3D image?

What is a 3D image?

Contains two differently filtered images.

Instant stereoscopic 3D effects.Appreciable Feeling of the depth. Composition of multiple 2D images

with appropriate range(Disparity).

What is a 3D image?

Contain two differently filtered images:

What is a 3D image?

Contain two differently filtered colored images:

What is a 3D image?

Appreciable Feeling of the depth (essential):

-How well the image performs.

Left eye Right eye

What is a 3D image?

Instant stereoscopic 3D effect on eyes:

Real Situation

The relationships between 2D and 3D.

The relationships between 2D and 3D.

Multiple 2D images: - 3D images can be digitalized with multiple 2D

images.

The relationships between 2D and 3D.

Multiple 2D images: - 3D images can be digitalized with multiple 2D

images.

How the enhancement works?

-Mathematical approaches for enhancing images:

How the enhancement works?

-Mathematical approaches for enhancing images:• Histogram Equalization:

How the enhancement works?

-Mathematical approaches for enhancing images:• Histogram Equalization (outcome):

Original(left-view) Enhanced(left-view)

How the enhancement works?

-Mathematical approaches for enhancing images:• Histogram Equalization (outcome):

Original(right-view) Enhanced(right-view)

How the enhancement works?

-Mathematical approaches for enhancing images:• Image sharpening:

How the enhancement works?

-Mathematical approaches on construction of the images.• Image sharpening (outcome):

How the enhancement works?

-Mathematical approaches on construction of the images.• Edge Detection:

Original Image Edge Detected

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Original(left-view) Enhanced(left-view)

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Limited noise amplitude (In one view):

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Elevating Effect:

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Binocular Just-Noticeable-Difference Model (BJND):

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Picture size: width:463 hight:370

left-view right-view

How the enhancement works?

-Mathematical approaches on construction of the images.• Binocular Just-Noticeable-Difference (BJND)

Picture size: width:463 hight:370

left-view right-view

What are the future expectations?

Develop a better solution for

enhancing the quality of a 3D image (programming).

-Compatibility of different 3D images.

-Selection of appropriate programming tools.

-Feasibility.

-Ease of implementation.

Thank you!

References:[1] Helpful Display Modes, PMG Worldwide, LLC, USA http://www.projectmessiah.com/x6/, January 2000[2] Make Your 3D Glasses and See These Awesome 3D Images,

Wonderful Engineering

http://wonderfulengineering.com/make-your-3d-glasses-and-see-these-awesome-3d-images/, 2013

[3] MATLAB CENTRAL, Scale 3D matrix by 10i

http://www.mathworks.com/matlabcentral/answers/113731-scale-3d-matrix-by-10i, 26 Jan 2014

[4] Image Enhancement, Faculty of Science and Engineering, Dr J.Li