Guillermo Castilla

5 Questions 10 Answers 0 Followers

Questions related from Guillermo Castilla

Remote sensing data or images vs remotely sensed data or images. Are they both OK?

I have used in the past both "remote sensing" and "remotely sensed" as qualifiers to refer to data acquired by airborne or spaceborne sensors. However, I feel increasingly uneasy about "remotely...

05 May 2015 10,068 14 View

Are small patches more prone to misclassification than larger patches, and what are the implications for landscape pattern analysis?

We found in an object-based accuracy assessment of a landcover polygon map (doi:10.1080/01431161.2013.875630) that the likelihood of correct classification of patches decreases as their size...

04 April 2014 3,614 1 View

Should the term 'scene' be reserved for the geographic area covered by a Landsat image rather than the image itself?

If I tell you that I used 48 Landsat scenes in a study, what would you think I'm referring to: 48 different WRS2 Path-Row combinations, 48 images of the same Path-Row covering several years, or...

04 April 2014 6,319 9 View

Random selection of polygons with sampling intensity specified by area

I'm writing a paper about this subject and would need to know if there are tools out there that can perform the following task: extract a random subset of polygons from a vector layer whose total...

11 November 2012 9,988 2 View

Earth Observation (EO) vs Spaceborne Remote Sensing (SRS)

Today I came up with a document that used the term satellite-based earth observation (SBEO). I find the term is highly redundant, because in my mind, Earth Observation (EO) is the subset of...

01 January 1970 3,037 5 View