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(. mm). 2.0. 1.0. 0.0. -. 1.0. -. 2.0. (. mm). -. 2.0. -. 1.0. 0.0. 1.0. 2.0. 3.0. -. 3.0. 0.0. 1.0(. mm). (. mm). 2.0. 1.0. 0.0. -. 1.0. -. 2.0. (. mm). 3.0. -. 3.0. -. 2.0. -. 1.0. 0.0. 1.0. 2.0. 0.0. 0.2(. mm). Residual Distribution.

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1 0

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mm)

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mm)

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mm)

Residual Distribution

(a) No correction

(b) Corrected by radial polynomial 3rd degree


R m s e by each lens distortion model xy

Model 0

Model 1

Model 2

Model 3

R.M.S.E. by each lens distortion model (XY)



Image quality and number of pixels
Image Quality and Number of Pixels

0.31Mega Pixel

3.34Mega Pixel

6.10Mega Pixel


Isprs wg v 4 terms of reference
ISPRS WG V/4 Terms of Reference

” Integration of Image analysis and spatial information systems for applications in cultural heritage”.


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For the Goal of This Terms of Reference

Algorithm or System for low-cost photogrammetry using Amateur Camera should be developed.



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Software for Low-cost Digital Photogrammetry

Software for Low-cost Digital Photogrammery is designed to perform convenient 3D measurements using amateur digital camera.

Software was named “3DiVision” with key words; 3Dimension; Digital image; Visualization.


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Overview of 3DiVision

3DiVision

Project

Interior Orientation

Exterior Orientation

3D Measurement

Visualization

Sorry, under construction


1 0

z

κ

φ

ω

O (X0,Y0,Z0)

y

-c

x

(x0, y0)

4. Fundamental Geometry in Photogrammetry

Orientation Parameters

Interior Orientation Parameters

Position; X0,Y0,Z0

Rotation; ω,φ,κ

Exterior Orientation Parameters

Principle point; x0, y0

Focal length; c

Scale factor; a1, a2

Distortion coefficient; p1


1 0

z

y

φ

κ

x

O(X0,Y0,Z0)

ω

y

-c

p(x,y)

Z

x

Y

X

Collinearity Condition

P(X,Y,Z)


1 0

Z

X

Bundle Adjustment

z

y

φ

κ

x

O(X0,Y0,Z0)

y

ω

x

Y


Coplanarity condition

y

z

z

y

O1

(X01,Y01,Z01)

x

O2

(X02,Y02,Z02)

y1

x

y2

x1

x2

p1(X1,Y1,Z1)

p2(X2,Y2,Z2)

Z

Y

P(X,Y,Z)

X

Coplanarity Condition


1 0

Z

Y

κ

Bz

φ

By

Bx

ω

X

O1(0,0,0)

y1

y2

x1

x2

Z

p2(X2,Y2,Z2)

p1(X1,Y1,Z1)

Y

X

P(X,Y,Z)

Case of Left Coordinate is Fixed

O2(1, bx, by)

Where by=By/Bx, bz=Bz/Bx


5 how to use amateur camera 3division

Case 1

Case 2

5. How to use Amateur Camera3DiVision

Case 3

Case 4


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Condition (1)

Y

Case 1

X

(0,0,0)

Z given

Yes No

Case 2


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Condition (2)

Y

Z given

Case 3

D

X

(0,0,0)

Z given

Case 4


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Tests

Digital camera: CP-900Z(EPSON), 3.34Mega, f=7.0mm H=3.5m


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