CBERS: the Brazilian Experience

Gilberto CamaraDirector for Earth

ObservationINPE

Workshop – 3 Years of CBERS, Beijing, October 2002

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Overview

CBERS Ground and Application Segment in Brazil

CBERS Products and Distribution Statistics

CBERS Associated Software Technology CBERS Applications Perspectives for CBERS-2 and CBERS-

3/4 The rôle of CBERS as an International

Cooperation program

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CBERS Ground and Application Segment

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CBERS Ground and Application Segment

Data Reception

Image Production

SoftwareDevelop.

Applications

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CCD image of Brasilia

6 Crops= soy (red) and harvest (green)

CCD: Agricultural Region in São Paulo

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São Paulo Coast (CCD)

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IRMSS: Brazilian Coast (NE)

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São Paulo – Rio Janeiro (WFI)

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WFI: Belo Horizonte

Mining = dark regions

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WFI Mosaic: São Paulo State

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CBERS-1 Image Production

Total number 2000 = 653 products 2001 = 757 products 2002 = 863 products (September) One product = CCD scene (+IRMSS)

CBERS demand is similar to LANDSAT

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Promoting CBERS

Partnerships Universities, research institutes and

industry Education projects

High-school teachers ISPRS – International society for remote

sensing Workshops/symposium (SBSR, SELPER,

IRSE, etc)

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CBERS: Partnership examples

University of Michigan: mapping selective logging of timber (wood) in Amazon

University of Viçosa (Brazil): Vegetation index mapping

Military: maps with scales ranging from 1:250,000 (WFI) to 1:50,000 (CCD)

University of São Paulo: Geological studies Agricultural Agency (EMBRAPA): Monitoring

the expansion of agricultural area

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CBERS-Associated Software Technology

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R&D in Image Processing and GIS

SPRING – Image processing and GIS software. Multi-platform (Windows, Linux, Solaris) Web: http://www.dpi.inpe.br/spring (25.000

downloads)

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Segmentation and Classification

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Restoration

Objective Correct sensor distortions Reduces the blur effect

sensorRestoration

filterscene

Digital image

Corrected image

f (cycles/pixels)f (cycles/pixels)

1

1

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Restoration Filter

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Image Registration and Mosaicking tools

Objective Combine two images to generate a

large-area composite Amount of data is very large

Difficult to get control points manually INPE developed a semi-automatic

registration system

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Registration System Interface

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Combination of CBERS Images

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CBERS Application Examples

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A comparison study between CBERS IR-MSS and Landsat TM

images to evaluate deforestation in the Brazilian Amazon

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Segmentation Over Color Composite

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COLOR COMPOSITION FINAL MAP

Classification

DEFORESTATION

PRIMARY FOREST

WATER BODIES

NON-FOREST

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Comparison of Area Estimation

SENSOR DEFORESTATION

Km-2

PRIMARY FOREST

Km-2

NON-FOREST

Km-2

WATER BODIES

Km-2

TM-LANDSAT 1771 9666 630 792

IRMSS-CBERS 1721 9577 638 860

Rel. Dif. (% ) -2.8 -0.9 1.3 8.6

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CBERS imagesin Remote Sensing

Training Course for

Grade Teachers

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Perspectives for CBERS-2 and CBERS-3/4

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Perspectives for CBERS-2

Estalishment of a Joint Cooperation Agreement for Ground and Application Segments

Strong partnership between CRESDA and INPE

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CRESDA-INPE Cooperation

Standards for CBERS image products;

Quality control and quality assessment plans for CBERS images;

A joint commercialization proposal for the marketing of CBERS images for countries other than Brazil and China

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CRESDA-INPE Cooperation

Joint image reception and image production ground station for the CBERS 3 and CBERS 4 satellites

Image processing software to extract information from CBERS

Establishment of an applications development center to develop end-user products

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Ground Segment: CBERS-3/4

To be developed as part of the joint agreement between Brazil and China

Establish an international network of receiving stations for CBERS-3/4

INPE Initiatives Initial development of ground station

for CBERS-2 Replace CBERS-1 processing station

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Concluding Remarks: The Rôle of CBERS for International Cooperation

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Significant Contribution of CBERS

Competitive advantages of RS imagery When there is a need to routinely monitor

a large area consistently, reliably and/or independently.

Where there is a need to gather information rapidly about events whose location and timing are unpredictable.

Where there is a need for cost-effective cartographic mapping, and imagery can replace or complement aerial surveys.

CBERS serves the “public good”

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Significant Contribution of CBERS

International Earth Observation satellites USA and Europe: Earth Observation as

commercial service Increase image cost for other countries

China and Brazil response CBERS as a “public-good” satellite International cooperation programs

Major oportunity for CBERS!

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Conclusion

Many thanks and honors CAST for developing CBERS-1 CNSA and COSTIND for supporting CAST CRESDA for the application

development and cooperation with INPE

May CBERS Project have a long life!