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Insightful ideas, outlooks and use cases from the CATALYST Team

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June 29, 2021
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By: CATALYST

Target Scattering Decomposition

The Kennaugh–Huynen scattering matrix condiagonalization is projected into the Pauli basis to derive a new scattering vector model for the representation of coherent target scattering. This model permits a polarization basis invariant representation of coherent target […]
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June 29, 2021
Image of the orthorectification
By: CATALYST

SAR Orthorectification and Mosaicking

The data in this mosaic covers a wide range of sea states and wind speeds which accounts for the variation of the backscattering from the water. The final output mosaic contains five layers which represent total […]
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June 29, 2021
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By: CATALYST

Change Detection using SAR Data

The ability to identify and measure significant changes in target scattering and/or polarimetric parameters at known and co-located image locations provides a very powerful tool for large-area military and/or environmental monitoring applications. This paper describes the […]
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June 29, 2021
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By: CATALYST

Wetland Characterization

Wetlands play a key role in regional and global environments and are critically linked to major issues such as climate change, water quality, the hydrological and carbon cycles, and wildlife habitat and biodiversity. Their existence is […]
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June 29, 2021
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By: CATALYST

How a leading space agency is preparing for the future of image analytics

What is our country’s estimated crop yield this year? How much food will we need to import? Will we have enough water for our nation’s needs? How can we expect our cities to expand? What new […]
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June 29, 2021
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By: CATALYST

Improving Airphoto Processing with Automated Functions

The need for airphoto processing in resource, security, planning and other applications is continually increasing. How can these demands be met? Large scale projects require fast, efficient processing of thousands of images every year, providing critical […]
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June 29, 2021
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By: CATALYST

Empirical line model for the atmospheric correction of sentinel-2A MSI images in the Caribbean Islands

An Empirical Line Model (ELM) was tested to correct Sentinel-2A (MSI) images acquired in the tropical archipelago of San Andrés, Colombia. This approach uses a linear regression to model the relationship between the average ground reflectance […]
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June 29, 2021
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By: CATALYST

Semi-Automated Historical Airphoto Processing

Geometric Correction of historical imagery is a complicated, time consuming and expensive operation. Due to a lack of development related to streamlining these operations, a significant amount of manual processing time must be invested into current […]
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June 29, 2021
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By: CATALYST

CATALYST Enterprise Pansharp Test Results

After demonstrating the exceptional performance improvement in the orthorectification module (approximately fourteen-fold – see CATALYST Enterprise Ortho Performance Whitepaper), the same approach has been applied to the pansharp module by taking advantage of newly developed code, […]
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June 29, 2021
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By: CATALYST

CATALYST Enterprise Ortho Performance Test Results

CATALYST has developed new, high-speed, orthorectification functions. The code takes advantage of modern, multi-core processor architecture, as well as NVIDIA’s Graphical Processing Units (GPUs), to process standard data products from the WorldView-1, QuickBird and IKONOS satellites […]
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June 29, 2021
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By: CATALYST

On Demand Satellite Image Processing

New computational environments are emerging – cloud computing which promises to provide vast computational resources on demand. Many corporations are moving to such environments to better share resources between compute-intensive applications, to provide for surges in […]
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June 29, 2021
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By: CATALYST

Geomatica Image Management System (GIMS)

PCI Geomatics has overcome the challenges caused by the traditional raster image management methods with its enterprise solution: the Geomatica Image Management System (GIMS). With 25 years of experience in building image-centric geospatial solutions, PCI Geomatics […]
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June 29, 2021
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By: CATALYST

Using PCI Geomatics Software with Oracle 10g Spatial and GeoRaster

Every day, earth imaging satellites deliver large volumes of critical information about our natural resources, our cities, our transportation, our climate, and more. In a way that traditional maps cannot, these images provide detail and context […]
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June 29, 2021
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By: CATALYST

Object Analyst Feasibility Study on Per Parcel Stormwater Taxation

CATALYST has a full set of object-based image analysis (OBIA) tools that can be used to quickly and accurately extract impermeable land area on a per parcel basis. Imagery is segmented based on the shape and […]
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June 29, 2021
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By: CATALYST

CATALYST Enterprise – AutoDEM Process Overview and Performance

This report details the performance of the new DEM extraction application for the CATALYST Enterprise system. The main logic of the application is based on the code in “genautodem.cpp”, which contains thecore functionality of the DEM […]
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June 29, 2021
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By: CATALYST

Accurate, Detailed Elevation Models

This article describes how high-resolution satellite data can be used to extract accurate digital elevation model (DEM) for a mining application in the Amazon region. The resulting vertical accuracy can be within RMS error of 1.5m […]
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June 29, 2021
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By: CATALYST

Geomatica GeoCapacity Information Systems

Traditional methods for generating geo-information products from large quantities of remote sensing images are too often limited by production inefficiencies and long to-market cycles. PCI Geomatics’ enterprise solution to these challenges is a customizable, cost-effective GeoCapacity […]
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June 29, 2021
Aerial image of an illicit crop from above.
By: CATALYST

ILLICIT CROP MONITORING

The United Nations Office on Drugs and Crime (UNODC) operates several projects that provide detection data to governments where illicit crops are grown including Colombia, Peru and Bolivia (for coca), Afghanistan, Laos, and Myanmar (for opium), […]
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June 28, 2021
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By: CATALYST

Using InSAR for Steam Injection Monitoring in Cold Lake, Alberta

Leveraging CATALYST InSAR processing expertise, RADARSAT-2 imagery was processed to detect and derive displacement using natural targets and corner reflectos in Cold Lake, Alberta. Results: Using commercially available data such as RADARSAT-2 and TerraSAR-X, Geomatica InSAR […]
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June 24, 2021
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By: CATALYST

CATALYST and AWS partner to bring risk management solutions to new markets

Earth Data, Simplified The Earth’s surface is constantly changing. Waves, wind, water and ice reshape our lands through erosion, and earthquakes – large or small – cause ground displacement around the world. But it’s not just […]
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