background
UNESCO logo
Bilko logo
Earth from space
spacer
Contrast stretching as part of the redisplay routines optimises display of 16-bit data

Downloading the Software

The latest install version of Bilko is Bilko 3.3 issued 4th October 2009 . If you have already registered, you can download this by entering your e-mail address in the box below. If you are new to Bilko, please register first, using the link on the top menu bar.

spacer   
spacer
spacer True colour composite image from MERIS bands 6, 4 and 2

Software Description

This is the install version of Bilko 3.3, released in February 2009.

Platform and operating system

Bilko v3 is designed to run on PCs running Windows 2000 and Windows XP, but will also run on Windows 95, Windows 98 and Windows NT 4.0 or later.

Stretch thumbnail

Software features

The latest version, currently under beta-testing, has been substantially extended and improved. The new software now features:

bullet

Supervised and unsupervised classifiation
bullet

Principal Component Analysis

A colour palette brings out details of chlorophyll concentration
bullet

Context sensitive help program
bullet

Support for common image formats used in remote sensing   MORE

bullet

Handling of 3-D and multiband data (increased to 128 bands/images in Bilko 3.3)   MORE

bullet

Support for 8-bit, 16-bit, 32-bit and floating point data

Bilko palette tool
bullet

Support for NaNs and customer defined Null values

bullet

Image manipulation and display tools:

  bullet Contrast stretching   MORE
bullet Applcation and design of colour palettes   MORE
bullet Display and creation of colour composites    
Bilko histogram of chlorophyll data
  bullet Zoom, Mirror, Flip and 180° rotation
bullet Colour bar, scroll-bars and status-bar displaying pixel information
bullet Customised display of 16-bit, 32-bit and floating-point data    
bullet Extract tool for sub-sampling in the X, Y and Z dimensions    
bullet

Image editing and analysis tools:

  bullet Animations    
Gradient filtering brings out internal wave signatures in MERIS FR data
  bullet Easy selection of specified points, lines and sub-areas    
bullet Data-coring (spectral or time series)    
bullet Transects, histograms, scatter-plots, Hovmöller diagrams    
bullet

Data processing tools:

  bullet Predefined and custom designed filters   MORE
RA-2 sea surface height anomaly and AATSR sea surface temperature
  bullet Application of flags, masks, and coastlines    
bullet Image calculations using formulae with sets of images   MORE
bullet Image rectification, resampling, and co-registration    
bullet Geocorrection using Ground Control Points or tie-point tables    
bullet Automatic geocorrection of Envisat data (MERIS, ASAR, AATSR, RA-2)
bullet

Export to ASCII (text/spreadsheets) via the Windows clip-board
spacer
spacer
spacer
Last update: 18 August 2009      Contact          up arrow         Site Policy         Credits     Next: Tutorials and Lessons   next