ISRO working on 4-D, 5-D imaging technology: scientist

[$@rJen]

ISRO working on 4-D, 5-D imaging technology: scientist
PublishedNovember 21, 2015

SOURCE: THE HINDU

The Indian Space Research Organisation (ISRO) is working on 4-D and 5-D imaging technology.

Disclosing this after inaugurating the 6{+t}{+h}International Conference on Health GIS here on Friday, distinguished scientist and professor at ISRO, A. Sivathanu Pillai said work on 4-D and 5-D imaging technology was part of the space agency’s engagement with “hyperspectral imaging,” which is a new and emerging area in Geographic Information System (GIS).

“Using the satellite, we are trying to process and view the five-dimensional images,” said Dr. Pillai, who is also the former Managing Director of BrahMoS Aerospace, Ministry of Defence.

Pointing out that 4-D and 5-D imaging technology would be coming out in a big way, Dr. Pillai said researchers, doctors and students would soon be able to use the most advanced GIS tool for welfare activities.

He appealed to institutions and others to make use of the valuable spatial data available at ISRO facilities for preventing epidemics and improving healthcare.

Dr. Pillai, who recalled how the images of coconut trees in Kerala, obtained from remote sensing satellites, helped tackle the spread of a viral disease a few decades ago, pointed out that spatial data patterns can be used for public health interventions in a cost-effective manner.

Healthcare and prevention of diseases can be better addressed if all relevant data and analyses are provided in GIS maps through an institutionalised arrangement involving the government agencies.

Vice-Chancellor of JSS University B. Suresh referred to the recent rains in Chennai and said GIS could be used to address a possible outbreak of post-flood epidemic. The breeding space for diseases can be identified through GIS and necessary healthcare measures can be taken.

The theme of the international conference on GIS organised by JSS University in association with Asian Institute of Technology, Bangkok and Khon Kean University, Bangkok, is “Geo ICT for Epidemic Control and Healthcare.”

 

[Bad Guy]

What is actual definition of 4D and 5D in terms of satellite imaging. @sarjenprabhu

 

[Nilgiri]

What is actual definition of 4D and 5D in terms of satellite imaging. @sarjenprabhu

4D adds time....so motion can be captured.

5D may refer to either multi-spectral imaging capability (not just visible light)...or the pure definition which would image all possibilities leading to and from a snapshot. That may be what they are talking about when saying spatial patterning.

 

[Providence]

4D adds time....so motion can be captured.

5D may refer to either multi-spectral imaging capability (not just visible light)...or the pure definition which would image all possibilities leading to and from a snapshot. That may be what they are talking about when saying spatial patterning.

Throwing horse shit or you actually know ?

 

[Gen Padmanabhan]

What is actual definition of 4D and 5D in terms of satellite imaging. @sarjenprabhu

Military applications

 

[zebra7]

4D adds time....so motion can be captured.

5D may refer to either multi-spectral imaging capability (not just visible light)...or the pure definition which would image all possibilities leading to and from a snapshot. That may be what they are talking about when saying spatial patterning.

5th dimension if interpreted physically, is the one more dimension, which we know thatis the usual three spatial dimensions and the fourth dimensions of time used in relativitistic physics. It is an abstraction which occurs frequently in mathematics, where it is a legitimate construct. In physics and mathematics, a sequence of N numbers can be understood to represent a location in the N-dimensional space.

A hypersphere in 5-space (also called a 4-sphere due to its surface being 4-dimensional) consists of the set of all points in 5-space at a fixed distance r from a central point P. The hypervolume enclosed by this hypersurface is:

V=8*Pie^2 r^5 / 15

In 1993, the physicist Gerard 't Hooft put forward the holographic principle, which explains that the information about an extra dimension is visible as a curvature in a spacetime with one fewer dimension. For example, holograms are three-dimensional pictures placed on a two-dimensional surface, which gives the image a curvature when the observer moves. Similarly, in general relativity, the fourth dimension is manifested in observable three dimensions as the curvature path of a moving infinitesimal (test) particle. Hooft has speculated that the fifth dimension is really the spacetime fabric

 

[Nilgiri]

Throwing horse shit or you actually know ?

I have worked in remote sensing before and I have always been interested in pure Maths (did a minor in it) and physics. I'm an engineer (Aerospace) by profession.

When visualising dimensions beyond the 3 spatial ones, each one is akin to a point on a line for the one after it.

Beyond 5D there is not much point right now, as we have no way of modelling multiple realities with the same starting conditions (big bang).

5th dimension if interpreted physically, is the one more dimension, which we know thatis the usual three spatial dimensions and the fourth dimensions of time used in relativitistic physics. It is an abstraction which occurs frequently in mathematics, where it is a legitimate construct. In physics and mathematics, a sequence of N numbers can be understood to represent a location in the N-dimensional space.

A hypersphere in 5-space (also called a 4-sphere due to its surface being 4-dimensional) consists of the set of all points in 5-space at a fixed distance r from a central point P. The hypervolume enclosed by this hypersurface is:

V=8*Pie^2 r^5 / 15

In 1993, the physicist Gerard 't Hooft put forward the holographic principle, which explains that the information about an extra dimension is visible as a curvature in a spacetime with one fewer dimension. For example, holograms are three-dimensional pictures placed on a two-dimensional surface, which gives the image a curvature when the observer moves. Similarly, in general relativity, the fourth dimension is manifested in observable three dimensions as the curvature path of a moving infinitesimal (test) particle. Hooft has speculated that the fifth dimension is really the spacetime fabric

This is from wiki right?

Yes the topological way of visualising the 5th dimension is an interesting subject. In essence it graphs the entire set of possibilities by theorizing that there lies a sort of "record player" beyond what we can directly perceive with our senses...a multiverse existing within the same volume with significant information barriers....but possibly avenues of interaction as well. We are only in the infancy of understading the nature of spacetime.

Thus, we are still far far away from being able to even remotely gain scientific evidence to back up the theories....but maths make it so easy to graphically represent. In that way maths is definitely the philosophical side of Science.

 

[zebra7]

I have worked in remote sensing before

Cool, I did worked on SCADA .
Right now working on my own project based on embebded Linux, Sir could you help me ?

This is from wiki right?

Yes the topological way of visualising the 5th dimension is an interesting subject. In essence it graphs the entire set of possibilities by theorizing that there lies a sort of "record player" beyond what we can directly perceive with our senses...a multiverse existing within the same volume with significant information barriers....but possibly avenues of interaction as well. We are only in the infancy of understading the nature of spacetime.

Thus, we are still far far away from being able to even remotely gain scientific evidence to back up the theories....but maths make it so easy to graphically represent. In that way maths is definitely the philosophical side of Science.

Some of the questions keeps me bothering for years from childhood. Like how big is Universe or how small is really small, or when was universe created, and before that what was before that, so really zero time is zero. etc etc.

Later on I recognized that we humans only knew 4 dimentions, thats the problem, L,B,H, and time and everything we need reference to compare. to explain it to you

Can you give me the one line definition of time ?

Read String theory, its really great !

 

[Nilgiri]

Cool, I did worked on SCADA .
Right now working on my own project based on embebded Linux, Sir could you help me ?

Not really my cup of tea, though I suppose you could send me some queries and see if I know anything.

Some of the questions keeps me bothering for years from childhood. Like how big is Universe or how small is really small, or when was universe created, and before that what was before that, so really zero time is zero. etc etc.

Had a real long conversation earlier in the month with a friend of mine about just this sort of thing.

In the end it depends if we can overcome information barriers. Similar to does a tree make a sound when it crashes if no one was there to hear it.

So yes conceptually we can definitely visualise beyond our current space-time universe....but if we have no way of breaking the information barrier that exists between space-time and whatever is beyond it....Science is not interested. Philosophy always is however ....I see Maths as the bridge between the two.

Later on I recognized that we humans only knew 4 dimentions, thats the problem, L,B,H, and time and everything we need reference to compare. to explain it to you

We may subconsciously know/interact with other further dimensions without really realising it. Thats what I really enjoyed about the movie Interstellar.

But yes we live in a 4D world as the basic frame of reference

Can you give me the one line definition of time ?

To me space-time is a frame of reference governing the overall "transfer function" between an initial condition (big bang) and a current state. When we add perturbations outside of what the known input was, we can visualise some streams of the next dimension (5D).

Space-time is really one construct (like matter-energy or wave-particle for EM)....we humans just perceive space and time separately given our senses and perspective.

Read String theory, its really great !

Yes I have....and this is part of what I was explaining before w.r.t a point on a line. String theory simply proposes models for the resonance structures such lines could potentially take.

The biggest expertise I have is with resonance modelling so it was not that difficult for me to get the general gist of it.

I have actually seen fractal patterns in real life resonance simulations...and when I read a paper on it to further understand....I was astounded to discover there were some real implications governing the statistical modelling of matter itself. We will need more sensor resolution to gain better quality insight in the coming years.....but it is amazing to see exactly what the human mind has mapped as possibilities....and even more spine-tingling to think even this is just an infinitesimal drop in the ocean of reality. In a way we are living in our own never ending fractal.

 

[zebra7]

Not really my cup of tea, though I suppose you could send me some queries and see if I know anything.

So nice of you.

To me space-time is a frame of reference governing the overall "transfer function" between an initial condition (big bang) and a current state. When we add perturbations outside of what the known input was, we can visualise some streams of the next dimension (5D).

Sir, the real definition of Time is "Time is what the Clock Reads" nothing more, nothing less

Had a real long conversation earlier in the month with a friend of mine about just this sort of thing.

In the end it depends if we can overcome information barriers. Similar to does a tree make a sound when it crashes if no one was there to hear it.

So yes conceptually we can definitely visualise beyond our current space-time universe....but if we have no way of breaking the information barrier that exists between space-time and whatever is beyond it....Science is not interested. Philosophy always is however ....I see Maths as the bridge between the two.

Some how I am trying to understand little bit, thats why asked you the question about the Time.
In void space, there is no Dimension at all.
The Fifth element, or the Dimension is the one that will be the Future of us. Its difficult to explain, but I will explain you later.

Not really my cup of tea, though I suppose you could send me some queries and see if I know anything.



Had a real long conversation earlier in the month with a friend of mine about just this sort of thing.

In the end it depends if we can overcome information barriers. Similar to does a tree make a sound when it crashes if no one was there to hear it.

So yes conceptually we can definitely visualise beyond our current space-time universe....but if we have no way of breaking the information barrier that exists between space-time and whatever is beyond it....Science is not interested. Philosophy always is however ....I see Maths as the bridge between the two.

Somehow its strange, how our old forefather, the Rishi were intelligent though and understand such complexity. They might me doing some experiment thats why Indian number system have such high values up to Shankh. They had some knowledge about this String theory, I might be wrong, but some how they said that its the Shakti, that created all, and the the Origin of Unverse from OM . The language they choose in Vedas are not direct, but indirect interpretation is required, and the OM represent Some Resonance, when the energy of all the string forces are alligned.

I am not that kind of religious though.


We may subconsciously know/interact with other further dimensions without really realising it. Thats what I really enjoyed about the movie Interstellar.

But yes we live in a 4D world as the basic frame of reference



To me space-time is a frame of reference governing the overall "transfer function" between an initial condition (big bang) and a current state. When we add perturbations outside of what the known input was, we can visualise some streams of the next dimension (5D).

Space-time is really one construct (like matter-energy or wave-particle for EM)....we humans just perceive space and time separately given our senses and perspective.



Yes I have....and this is part of what I was explaining before w.r.t a point on a line. String theory simply proposes models for the resonance structures such lines could potentially take.

The biggest expertise I have is with resonance modelling so it was not that difficult for me to get the general gist of it.

I have actually seen fractal patterns in real life resonance simulations...and when I read a paper on it to further understand....I was astounded to discover there were some real implications governing the statistical modelling of matter itself. We will need more sensor resolution to gain better quality insight in the coming years.....but it is amazing to see exactly what the human mind has mapped as possibilities....and even more spine-tingling to think even this is just an infinitesimal drop in the ocean of reality. In a way we are living in our own never ending fractal.

 

[Ind4Ever]

Dejavu thread.

Some one talk in English terminology. How 4D 5D can be used in military applications?

 

[zebra7]

Dejavu thread.

Some one talk in English terminology. How 4D 5D can be used in military applications?

Ok, leave aside my above comments. When talking about the Imaging technologies, even the Entertainment Media is going for 3d, 4d, 5d -- That does mean another dimention. E.g 2D is the one which we watch normally in cinema, and 3-d image which gives the impression of reality, i.e the depth also, actually, its how our Mind understand the image because we have look at the image through 2 eyes-- One frame from One eye and second frame from second eye.

And 4.d if we implement the moving chair, to make the feel of the gravity to the guest.
and 5d if we implement water sprinkle, when rain is falling in the movie, or the smell of the food or flower.

But when we Are talking about the ISRO 4--D technology for the Image acquasition, then it is something like the Holographic picture, with the time reference.

 

[Mamsalaphala]

What is actual definition of 4D and 5D in terms of satellite imaging. @sarjenprabhu

w.r.t this particular article,

4D is adding a time element to 3D modelling which means the 3D model can be tacked over time and changes over time can be observed and is used for predictive modelling, especially of weather pattern.

5D is adding additional data to the Predictive modelling techniques. This is especially useful for determining Mineral belts on earth, cloud density and composition etc.

This data is usually Hyper-spectral imaging which is measuring light reflection beyond Infra Red and ultra violet. You can also use x-ray data when viewing into space.

This will give you a better Idea,

Buy this method we can discover underwater River, Gold Mines etc. Military application involves identifying underground Silos and underground bases.

This is what it would look like in real life.

Or for better understanding if you take a 5th Dimensional picture of your hand, this is what you can see. (4th being Time)

 

[Ind4Ever]

Ok, leave aside my above comments. When talking about the Imaging technologies, even the Entertainment Media is going for 3d, 4d, 5d -- That does mean another dimention. E.g 2D is the one which we watch normally in cinema, and 3-d image which gives the impression of reality, i.e the depth also, actually, its how our Mind understand the image because we have look at the image through 2 eyes-- One frame from One eye and second frame from second eye.

And 4.d if we implement the moving chair, to make the feel of the gravity to the guest.
and 5d if we implement water sprinkle, when rain is falling in the movie, or the smell of the food or flower.

But when we Are talking about the ISRO 4--D technology for the Image acquasition, then it is something like the Holographic picture, with the time reference.

LOL understood everything except the last para