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Archive for the ‘remote sensing’ Category

Special Coverage: Online GIS Courses Change the Face of Geospatial Education

Thursday, August 28th, 2014

The face of GIS and Geospatial education has changed dramatically over the past few years, with online courses being offered in numerous subjects, ranging from GIS fundamentals to Spatial Analytics and Geodesign. What is more phenomenal is that these courses reach out to all corners of the earth, making a GIS/geospatial education a possibility for almost everyone on the planet.

Screenshot from a Washington College lecture

Screenshot from a Washington College lecture

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NASA needs help from citizen science

Tuesday, August 26th, 2014

A recent CNN report announced thatNASA is asking for the help of citizens in viewing hundreds of thousands of images taken from space over the years, from the 1960s Mercury missions to the present images snapped from the International Space Station.

North Korea is barely lit when juxtaposed with neighboring South Korea and China.
North Korea is barely lit when juxtaposed with neighboring South Korea and China.

Via The Gateway to Astronaut Photography of Earth, NASA is making these images available for citizens to examine.

NASA says the hope is that the images “could help save energy, contribute to better human health and safety and improve our understanding of atmospheric chemistry. But scientists need your help to make that happen.”

The catalog contains more than 1.8 million photos, about 1.3 million of them from the space station and roughly 30% of them taken at night.

 Photos: International Space Station
NASA gets rare view of black hole
NASA tests supersonic parachute for Mars

Tyson on deep space exploration

The CNN report said that before 2003, night images from the space station could be blurry, even with high-speed film and manual tracking, because the station moves at about 17,500 mph. In that same year, astronaut Don Pettit used a drill and assorted parts he found on the station to cobble together a “barn-door tracker,” a lower-tech predecessor to the European Space Agency’s NightPod, which was installed at the space station nine years later.

According to the report, NightPod’s motorized tripod compensates for the space station’s speed, providing what NASA scientist William Stefanov says are the highest-resolution night images from orbit. Satellites collect data more regularly, but the photos tend to be lower resolution. “Now the pictures are clear, but their location may not be, which limits their usefulness,” the NASA news release says.

Citizen science has a better handle on location than the night images from the space station and satellite imagery. The Complutense University of Madrid is spearheading efforts to get citizen input and organize the photos.  They have broken down the  the images into three components requiring different levels of participation:

1. Dark skies. This is the easiest project, as it requires no scientific expertise. “Anyone can help” by sorting the images into the categories: cities, stars or other objects, said Alejandro Sanchez, doctoral student at Complutense.

“Without the help of citizens, it is almost impossible to use these images scientifically. Algorithms cannot distinguish between stars, cities and other objects, such as the moon. Humans are much more efficient for complex image analysis,” he said.

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DigitalGlobe’s WorldView-3 launched from Vandenberg today

Wednesday, August 13th, 2014

Today DigitalGlobe of Longmont, Colorado, announced the successful launch of WorldView-3, the company’s sixth and highly advanced high-resolution, super-spectral commercial satellite. From Vandenberg Air Force Base in California, the satellite launched on a Lockheed Martin Atlas V rocket at 11:10 PDT.DigitalGlobeflight

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New indepth coverage for September: Satellite Imaging

Thursday, August 7th, 2014

During the week of September 15th, GISCafe Voice will run a special feature blog on the topic, “Satellite Imaging.”

Geospatial3 (more…)

First images from SPOT 7 satellite published

Monday, July 7th, 2014

The first images gleaned from the SPOT 7 satellite were published by Airbus Defence and Space. The satellite was launched on June 30th and the images were obtained just three days after launch. Within hours, satellite programming and image acquisition, telemetry reception and processing, were all made operational to deliver these first images. These images depict highly diverse landscapes, revealing SPOT 7 range of ability to capture natural resource and urban zone mapping and agri-environmental monitoring.

SPOT7_LaMecque_presse

The entire SPOT 6/7 constellation is now in place and an improvement over the capabilities and performance offered by SPOT 5, the SPOT satellite launched in 2002. Because of the much improved capability of SPOT 6/7, SPOT 5 will be decommissioned from  commercial service during the first quarter of 2015. This new constellation offers a higher resolution, greater programming reactivity and a much higher volume of images acquired daily (in monoscopic or stereoscopic mode).

Why SPOT 6 and SPOT 7 are so advanced is because they form a constellation of high-resolution Earth observation satellites phased at 180° in the same orbit. According to press materials, this means that each point on the globe can be revisited on a daily basis and wide areas covered in record time, all with an unparalleled level of precision. With both satellites in orbit, acquisition capacity will be boosted to six million square kilometres per day – an area ten times the size of France.

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Intergraph Geospatial 2014 launch

Wednesday, January 8th, 2014

Mladen Stojic, president, Hexagon Geospatial spoke about this week’s launch of Intergraph Geospatial 2014, a comprehensive portfolio of industry-leading technologies.

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Top Geospatial Predictions for 2014

Thursday, December 19th, 2013

The following are GISCafe Voice’s Geospatial Predictions for 2014. Some of them were on last year’s list, but continue on as important predictions for change in 2014. There was big change in 2014, in the delivery of products, demand for certain types of products such as for disaster recovery, tracking and restoration and mobile apps, as well as the coming of age of indoor location mapping. See if our predictions line up with what your predictions are for 2014!

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Autodesk InfraWorks 360 Pro Debuts

Wednesday, August 7th, 2013

Paul McRoberts, vice president of Autodesk’s Infrastructure Business, talked this week about the company’s announcement today of Autodesk InfraWorks 360 Pro, that offers the latest 3D modeling, visualization and cloud-based collaboration technologies to address the estimated $30 trillion gap worldwide between desperately needed infrastructure and the funding required to deliver it.

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Esri User Conference Plenary Session 2013

Tuesday, July 9th, 2013

 

The  Esri User Conference 2013 Plenary Session kicked off yesterday morning with CEO Jack Dangermond recounting the various ways in which GIS is permeating the lives of people across the globe, and commending those GIS professionals in the audience who are instrumental in spreading that message.

According to Jack, there is more citizen involvement in the areas of disaster reporting, voting, and utility concerns. Story maps have proliferated in the past year and there is a new narrative for the Tour de France this week. Organizational portals, citizen data access, open data, government infrastructure, internal are just some of the areas that are growing in their use of GIS.

This year the “Making A Difference Award” was awarded to Jack (John) Wennberg, MD for looking at healthcare practices in terms of cost, outcomes, etc. based on location, in his book, “The Dartmouth Atlas of Health Care.”

The Enterprise GIS Award was presented to the Lands Department of the government of Hong Kong, accepted by Dominic Wai Ching Su,JP

The President’s Award was presented to Direct Relief, with Dorothy Largay, Board Member and Andrew Schroeder, Director of Research and Analysis. They invested in GIS four years ago and have impacted “millions of people” since. Direct Relief International used Esri technology to create an interactive online mapping application for Haiti relief efforts.

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DMC International Imaging used in locust risk prediction in Africa

Tuesday, April 9th, 2013

DMC International Imaging (DMCii) is in the business of helping The Algerian Space Agency (ASAL) to predict the spread of locust plagues across North Africa. This effort is part of an aggressive approach to tackle the age-old problem of locust infestation using satellite imagery.

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