Image Analysis

/Image Analysis
11 08, 2020

Monitoring Land Cover Changes at the Bushland-Urban Interface: An Image Analysis Approach

August 11th, 2020|AI, Australia, Bushfire, Climate Change, Cloud Computing, Earth Observation, Emergency, Exposure, Geocoding, Geospatial Big Data Analytics, Image Analysis, Land parcel, Location Intelligence, Property Information, Risk, Sentinel-2|

It has been well observed, modelled and reported that bushfire risk is on the rise under a rapidly warming climate. Earth observation, remote sensing and image analysis are among the most important technologies to manage bushfires nowadays - from disaster prevention to preparedness, from hotspots detection to movement monitoring, from response to [...]

11 08, 2020

Building-level Geocoding for Regional Flood Risk Analysis: A Case Study in Ipswich, Queensland

August 11th, 2020|AI, Australia, Cloud Computing, Earth Observation, Exposure, Flood, Geocoding, Geospatial Big Data Analytics, Image Analysis, Land parcel, Location Intelligence, Property Information, Risk|

One of our recent blogs discussed the importance of building-level geocoding for flood risk analysis (link). If an exposure is wrongly or insufficiently geocoded, corresponding flood risk could be very different. In some extreme cases, the risk could be more than an order of magnitude different. Figure 1 shows a comparison of [...]

29 07, 2020

Mapping the Coastal Settlement in Wamberal, NSW: Two Approaches

July 29th, 2020|AI, Australia, Cloud Computing, Earth Observation, Elevation, Exposure, Flood, Geocoding, Geospatial Big Data Analytics, Image Analysis, Land parcel, Location Intelligence, Property Information, Risk|

Quite a few coastal properties in Wamberal (NSW) are at risk of constant coastal erosion. This is again heightened by the threat from two Australian East Coast Lows affecting the NSW coast in recent few weeks. Two independent approaches, together with high-resolution public data sources, can be used to map the coastal [...]

21 07, 2020

Creating Building Footprints and Terrain Features for Web and Desktop Mapping: With Examples from the NSW Coast

July 21st, 2020|AI, Australia, Cloud Computing, Earth Observation, Elevation, Exposure, Flood, Geocoding, Geospatial Big Data Analytics, Image Analysis, Land parcel, Location Intelligence, Property Information, Risk|

High-resolution digital imagery (satellite, aerial or drone-based) and high-resolution elevation data (typically derived from LiDAR point clouds) are increasingly used in local and regional environmental studies. But it is still challenging to extract high-resolution feature attributes (e.g. building footprints from imagery and terrain metrics from digital elevation models) for deeper geospatial analysis [...]

1 07, 2020

Building-level Geocoding of G-NAF (Address Database) for Improved Flood & Bushfire Risk Analysis in Australia

July 1st, 2020|AI, Bushfire, Cloud Computing, Earth Observation, Exposure, Flood, Geocoding, Geospatial Big Data Analytics, Image Analysis, Land parcel, Location Intelligence, Property Information, Risk|

It is well known that exposure location is a major source of uncertainties in either site-level or aggregate risk analysis. Back in 2016, we released a product called Geocoding DoubleCheck (link) to address the location accuracy of parcel-level geocoding. Then we compared the difference between parcel-level and building-level geocoding (Figure 1), and [...]

1 07, 2020

Extracting Features from High-resolution Imagery: An AI-based Processing Service

July 1st, 2020|AI, Cloud Computing, Earth Observation, Exposure, Geocoding, Geospatial Big Data Analytics, Image Analysis, Location Intelligence, Property Information, Risk|

Artificial Intelligence (AI) methods or techniques have been actively explored and used for a long time, but the last decade has seen a surge of very successful and profound applications thanks to the rapid advances in deep convolutional neural networks, the availability of large and high-quality data sources, easy access to high-performance [...]

2 04, 2020

Unique Software Spectral Discovery to Easily and Rapidly Process Sentinel-2 Imagery

April 2nd, 2020|Agriculture, Asia, Australia, Bushfire, Earth Observation, Emergency, Image Analysis, Major Events, News Media, Risk, Sentinel-2, USA, Wildfire|

2 April 2020 Sentinel-2 (with twin satellites Sentinel-2A and Sentinel-2B) is one of the most successful Earth observation missions from the EU Copernicus Programme and ESA. Sentinel-2 satellite imagery features: wide swath (290km) multiple spectral bands (13 bands) high resolution (four visible and near-infrared bands at 10m, six red-edge/shortwave-infrared bands at 20m, and [...]

11 02, 2019

Some Exposure Analyses in Relation to the Flooding in West & North-West Queensland

February 11th, 2019|Apps, Asset Management, Australia, Earth Observation, Emergency, Exposure, Flood, Geospatial Big Data Analytics, Image Analysis, Insurance, Location Intelligence, Major Events, Property Information, Risk|

11 February 2019 We have been active in reporting and sharing information about the major flooding in Queensland (link to Twitter posts and mass media mentions, e.g. CNN and The Guardian). This brief blog is specific to the flooding in West and North-West Queensland. First, the big picture. We use NASA’s Terra/MODIS imagery (2019-01-02 vs. [...]

21 09, 2018

The September 2018 Super Typhoon Mangkhut: Some Rapid Risk Analyses

September 21st, 2018|APIs, Asia, Earth Observation, Exposure, Flood, Hurricane, Image Analysis, Insurance, Location Intelligence, Major Events, Tropical Cyclone, Typhoon|

21 September 2018 Super Typhoon Mangkhut made landfall in Guangdong Province, China around 5 PM Sunday (16 September 2018) as a Category 2 hurricane (in Saffir–Simpson hurricane wind scale). This blog summarises a number of rapid analyses we performed and some of our existing information products that can be used to help assess the [...]

21 09, 2018

Assessing the Impact of the September 2018 Hurricane Florence

September 21st, 2018|APIs, Earth Observation, Exposure, Flood, Hurricane, Image Analysis, Insurance, Location Intelligence, Major Events, Tropical Cyclone, Typhoon, USA|

21 September 2018 Hurricane Florence made landfall near Wrightsville Beach, North Carolina at 7:15 AM on Friday (14 September 2018) as a Category 1 hurricane. This blog summarises some of our existing information products and new analytics that can be used to help assess the impact of this major event. 1. Location [...]