gigapixel image

Introduction. This page contains what I believe to be one of the highest resolution, most detailed stitched digital images ever created। It is the view from Bryce Point in Bryce Canyon National Park in Utah. It consists of 196 separate photographs taken with a 6 megapixel digital camera, and then stitched together into one seamless composite. The final image is 40,784 x 26,800 pixels in size, and contains about 1.09 billion pixels...a little more than one gigapixel. I have been unable to find any record of a higher resolution photographic (i.e. non-scientific) digital image that has been created without resizing a smaller, lower resolution image or using an interpolated image.


How was it created? The first step in the creation of the image was to choose an appropriate subject. There are a number of technical issues that I had to consider that are not normally encountered when taking single images. For example, it took me 13 minutes simply to take all the photographs, and I was shooting as fast as my camera could write images to its memory card. So, I needed a subject that was relatively static. Secondly, I knew that I would have to use a very long focal length lens to take the image, otherwise the final composite would end up with an extremely wide field of view...something I didn't want. This also presented challenges due to the extremely short depth of field when using very long lenses.

The second step was to assemble the images. This was a complex and lengthy process. My normal procedure (using PTAssembler, Panorama Tools and Photoshop) was not sufficient in this case for a number of reasons because of the size and number of images I was working with. For example, the version of Photoshop that I use cannot work with images with pixel dimensions of more than 30,000. So, my solution was to modify some of the existing programs in my workflow, and write a number of new software programs to create this image.

Technical Details. Here are some facts and figures about this image:

• Final image dimensions: 40,784 x 26,800 pixels
• Number of pixels in final image: 1,093,011,200 (1.09 gigapixel)
• Final image file format: RGB Tiff using deflate compression
• Final image file size: 2,068,654,055 bytes
• Number of source images: 196
• Number of pixels in source images: 1,233,125,376 (196 images * 3072*2048)
• Lens focal length: 280mm (equivalent to 450mm on a 35mm camera)
• Aperture: F9. Shutter speed: 1/400
• Number of control points in PTAssembler project: 779
• Number of seams that were manually blended after stitching: 364
• Horizontal field of view of final image: 63 degrees
• Time required to capture component images: 13 minutes
• Time required to set control points: 2 hours
• Time required to optimize project: 2 days
• Time required to stitch project: 4 days
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• Time required to blend seams / correct misalignments / finalize image: ३
  

for more information and pictures refer this link
http://www.tawbaware.com/maxlyons/gigapixel.htm

Sourav Ganguly

Sourav Chandidas Ganguly (Bengali: সৌরভ গাঙ্গুলী) (pronunciation (help·info)) (first name occasionally spelt Saurav) is an Indian cricketer. Born 8 July 1972, lives at Barisha in Kolkata, formerly Calcutta, West Bengal, he made his One Day International debut against Australia in 1992, and a Test debut versus England in 1996. He went on to become the captain of Indian cricket team from 2000 to 2005. He has led India to the World Cup 2003 finals, and holds the Indian captaincy record for the most Test victories. Following an exit from the national team in early 2006, he was recalled to the Indian Test side in December, staging a successful comeback in the 2006 - 2007 Indian tour of South Africa.

Records

Test

• Scored a century on Test debut
• Scored a century in each of his first two Tests
• Captained India in a record 49 Test matches
• Led India to a record 21 Test wins
• India's most successful Test captain

ODIs

• Second fastest player to reach 10,000 ODI runs
• Fastest to reach multiples of 7,000, 8,000, 9,000 ODI Runs
• Holds the record, shared with Mahendra Singh Dhoni, for the second highest score by an Indian cricketer in an ODI — 183, against Sri Lanka in 1999.
• Held the record, shared with Sachin Tendulkar, for the highest first wicket partnership for India in a ODI match, 258, against Kenya in 2001. This record was bettered by Sri Lankan opening pair of Jayasuriya and Tharanga in 2006 at Headingly.
• Was involved in the first 300 run ODI partnership with Rahul Dravid.
• Sixth on the all time list with 30 man of the match awards.
• He is also the only player to win 4 consecutive man of the match awards in ODIs.
• India's most successful ODI captain.
• First Indian to score a ODI century against Australia in Australia.