Israeli technology enables images beamed from Mars

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Discussion Overview

The discussion centers on the technological advancements enabling the transmission of images from Mars, specifically focusing on a data compression algorithm developed by researchers from the Technion in Israel. The conversation explores the implications of this technology in the context of space exploration and image transmission efficiency.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants highlight the role of a unique algorithm developed by Technion graduates in improving the transmission of images from Mars, emphasizing its efficiency in data compression.
  • One participant notes that the compression speed achieved is 1.33 Mpixels/second, with the algorithm providing about 15 percent better compression than the standard Rice algorithm.
  • Another participant questions the time it takes to transmit a single image using this data compression technology, indicating a desire for more specific information on the transmission duration.
  • A humorous remark is made about the concept of "compression" in the context of forum posts, referencing the delete/edit function as a form of compression.

Areas of Agreement / Disagreement

Participants express interest in the technological advancements discussed, but there is no consensus on the specifics of image transmission times or the overall effectiveness of the compression technology compared to existing methods.

Contextual Notes

The discussion does not provide detailed information on the assumptions underlying the performance claims of the compression algorithm or the specific conditions affecting image transmission times.

onycho
http://216.239.41.104/search?q=cach...LOssless+COmpression+for+Image&hl=en&ie=UTF-8

It seems that Israel is again repaying US loans and grants with the lastest technologies.

Research by three scientists from the Haifa Technion made the transmission of video pictures from Mars by the NASA explorer "Spirit" possible, according to HP (Hewlett Packard) Labs, which was responsible for the image transmissions.

The ability to transmit the images was feasible thanks to a unique algorithm developed by Technion graduates living in the US as a continuation of work launched by two other Technion professors a quarter of a century ago.

Shortly after landing on the surface of the red planet earlier in the week, NASA's explorer began sending black-and-white photographs of Mars' rocky surface back to Earth, 106 million miles away. The sparkling clear images have been called "remarkable" by NASA officials and amateur astronomers.

The achievement was made possible by highly efficient data compression. "Because of the great distance between Earth and Mars, the signals are very weak, thus data can be transferred very slowly. Thus the way to speed it up is to compress the data and translate it into another form with many fewer bits without harming the quality of the image," Ziv explained. "NASA adopted the algorithm originally developed by our graduates, who are the second generation of our original work."
 
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Didn't read the link, any info on how long a single pic takes with this data compression tech?
 
Originally posted by LURCH
Didn't read the link, any info on how long a single pic takes with this data compression tech?

You should read the article which states the efficacy of their algorithms over the standard Rice algorithm.

The compression speed achievedis 1.33 Mpixels/second. Our algorithm yields about 15 percent better compressionthan the Rice algorithm. Currently, the only available space-qualified hardware designed forlossless compression is based on the Rice compression algorithm
 
Originally posted by LURCH

Didn't read the link, any info on how long a single pic takes with this data compression tech?

You should read the article which states the efficacy of their algorithms over the standard Rice algorithm.

The compression speed achievedis 1.33 Mpixels/second. Our algorithm yields about 15 percent better compression than the Rice algorithm. Currently, the only available space-qualified hardware designed forlossless compression is based on the Rice compression algorithm
 
Israel compression technology

Nice article, Onycho.
However, we also have some good American 'compression' technology right here on this forum. It's called the delete/edit button and allows you to compress two identical posts into one. :wink:

Creator
 
Last edited:


Originally posted by Creator
Nice article, Onycho.
However, we also have some good American 'compression' technology right here on this forum. It's called the delete/edit button and allows you to compress two identical posts into one.
Creator

Thanks for the advice. I didn't realize that I had reposted by accident.
 

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