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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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Presentation Transcript
slide1

(

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

(a) No correction

(b) Corrected by radial polynomial 3rd degree

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”.

slide6

For the Goal of This Terms of Reference

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

slide8

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.

slide9

Overview of 3DiVision

3DiVision

Project

Interior Orientation

Exterior Orientation

3D Measurement

Visualization

Sorry, under construction

slide10

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

slide11

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)

slide12

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
slide14

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

slide16

Condition (1)

Y

Case 1

X

(0,0,0)

Z given

Yes No

Case 2

slide17

Condition (2)

Y

Z given

Case 3

D

X

(0,0,0)

Z given

Case 4

slide18

Tests

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

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