Showing posts with label Robert Hester. Show all posts
Showing posts with label Robert Hester. Show all posts

Friday, November 8, 2013

Analysis of Pixel Diffusion In Oswald 'LIFE" Photos

Regions near right eye in 2 photos and fractional pixel deviations for Dt(xb)  and Dt(yb)   

Four years ago Dartmouth prof Hany Farid presented alleged "proof" the Oswald backyard rifle photos were "real". Google the name “Hany Farid” and you will bring up about 5,000 pages on the Dartmouth computer software scientist – from almost as many news sources – all parroting that he has “proven the Oswald backyard rifle photo is genuine." (One begins to wonder from this if the CIA's "Operation Mockingbird" is still going on.). For those who may not know, this is the infamous photo taken in the Oswalds’ backyard on Neeley Street in Dallas, sometime in March, 1963 (as documented from FBI files by Mark North in his ‘Act of Treason’) .

I did my own analysis of the backyard photos, based on the reasonable assumption that any transformation from specular dots on silver iodide based (1963) photo emulsions will undergo some drift  over time in rectangular coordinates such that this time-affected diffusion needs to be examined using fractional calculus equations of the form : d’(x) = wH×(d(x)bH) and d’(y) = wV×(d(y)bV).

An illustration of applying the parameters d'(x) and d'(y) to respective pixel sub-frames is shown in the accompanying graphic. These measure fractal deviations in pixel density from one Oswald photo  to the other (there were 4 in all) and from which the weighted error in the conceptual space may be computed. 

I give some of the results below for the diffusion factors, Dt(xb)  and Dt(yb) done using a Mathcad 14 software program. This is based on comparison of two photos (A and B) with the same regions selected as “prototypes” and the mapping done one to one, e.g. from points of dx1 to dx1’ and dy1 to dy1’. We start out with initial values: y = dy1 = 2.7 mm, and x = dx1 = 3.4 mm.


I estimated the weighting parameters: wH = 1.01,  wV = 1.03, bH= 0.0015,  bV= 0.10, so that: w = 1.443 and b = 0.1. With the non-dimensional fractional thickness change parameter estimated at: t = 0.001 then: Dt(xb)  = 0.967 and Dt(yb) = 0.964.

 
The total mapped diffusion from (A) is:

 
In x-coordinate:  dx1’ =  {dx1 +  Dt(xb)}   = 4.3 mm

 
In y-coordinate: dy1’ =  {dy1 +  Dt(yb)}   = 3.6 mm

 
The change in aspect ratio is: 0.794 to 0.839 or 5.6%

 
The original Euclidean resultant (for A) is:

 
DrA(x,y) =      [ (dy1)2 + (dx1)2]1/2   =   

{(y2 – y1)12 + (x2 – x1)12}1/2  = 4.34 mm



The mapped (diffused) resultant (for B) is:

 

DrB(x,y) =      [ (dy1’)2 + (dx1’)2]1/2   =    {(y2’ – y1’)22 +           (x2’ – x1’)22}1/2  = 5.70 mm

 
The fractional error for the resultant is then: d(d.AB)  » ½ (f1) + ½ (f2)  where:

 
f1=  [DrB(x,y) - DrA(x,y)] / DrA(x,y)  = 0.31    and 

 
f2 = [DrB(x,y) - DrA(x,y)] / DrA(x,y) =   0.23
 

We now look at another example for which the weighting parameters are significantly increased. Again, we use the same original dimensions: y = dy1 = 2.7 mm, and x = dx1 = 3.4 mm.
 
We estimate the new weighting parameters: wH = 1.05,  wV = 1.1, bH= 0.05,  bV= 0.18, so that: w = 1.521 and b = 0.187. With the non-dimensional fractional thickness change parameter estimated at: t = 0.4 then: Dt(xb)  = 1.039 and Dt(yb) = 1.014.
 
The total mapped (length) diffusions from (A) are:
 
In x-coordinate:  dx1’ =  {dx1 +  Dt(xb)}   = 4.43 mm
 
In y-coordinate: dy1’ =  {dy1 +  Dt(yb)}   = 3.71 mm
 
The change in aspect ratio is: 0.794 to 0.837 or 5.3%
The original Euclidean resultant (for A) is:
 
DrA(x,y) =      [ (dy1)2 + (dx1)2]1/2   =   
{(y2 – y1)12 + (x2 – x1)12}1/2  = 4.34 mm
 
The mapped (diffused) resultant (for B) is:

DrB(x,y) =      [ (dy1’)2 + (dx1’)2]1/2   =  
 {(y2’ – y1’)22 + (x2’ – x1’)22}1/2  = 5.78 mm
 
The fractional error for the resultant is then: d(d.AB)  »
½ (f1) + ½ (f2)  where:

 
f1=  [DrB(x,y) - DrA(x,y)] / DrA(x,y)  = 0.33    and 
 
f2 = [DrB(x,y) - DrA(x,y)] / DrA(x,y) =   0.25
 
We find that with realistic estimates of the weighting parameters, there is very little diffusion difference in the mapping of pixels from A to B along the dimensions indicated. Given some original values dx1, dy1, the mapping will yield diffused dimensions that are within about 30% of the original.  However,  +30%  shows that there clearly had to have been tampering such that the images are not the same. Note, however, the purpose of the fractional calculus diffusion method is to show that two images are not the same in terms of pixel distributions. It does not claim to show how this happened.
 
In addition to the above cautionary points, the deviation of optical density for solar radiation falling at an angle of incidence i exhibits only minor diffusive differences (e.g. << 5%) on such (silver iodide) film negatives. Indeed, for years when teaching introductory astronomy courses, it was precisely this property that allowed me to show my students how to use the old b&w film negatives to view the Sun during partial eclipse without risk of blindness. One can't do that with the emulsions used today - assuming one uses old fashioned cameras! Hence, Farid's counting on computer processed pixel re-transformations of old (presumed) silver iodide films today to affirm fakeness is akin to me looking at old home movies on dvd format and trying to ascertain where the exact point of editing occurred.
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Further comments:
 
In Farid’s computer analysis, one is left to wonder what exact photo he has proven genuine- since there were four in all. One of those featured small irregularities including that the telescopic scope was absent, because a technician had accidentally retouched it. WHY has Farid not picked it up with this elite software, when it was openly admitted by the management of LIFE magazine? Or, was Farid not given the retouched photo? If not, why not? Perhaps to prevent him from saying that ONE photo at least was a fake?
 
Then there is the “Oswald ghost” photo recovered at Dallas PD headquarters some time after the assassination. It is shown below:
As one can discern, the “ghost” is a cutout into which another image can be pasted-superposed. The cutout image, many of us conclude, was obtained using a Dallas cop stand –in, which photo was also found in Dallas Police files, along with the ghost image.  Photo specialist Robert Hester was called on 22 November, 1963 to help process assassination -related photos for the FBI and Dallas police. Hester reported (and his wife Patricia confirmed) that he saw an FBI agent with a color transparency of one of the backyard photos with NO figure in the picture. This has to be the same as that shown above. Was the FBI in on the manipulation of images and photos? We don't know, but given Hoover hated JFK's guts and Hany Farid's connection to the FBI in funding his lab, can we really trust his work? Can we trust he analyzed the actual source photo? And if so - which?
 
Now, I am not implying here that Farid faked the photos used for his work, so we are clear. However, he had to have obtained the backyard photos he used from someplace and most plausibly it was from the FBI -which funded his lab along with the Justice Dept. We already are well aware of the record of the FBI’s chicanery in JFK assassination –related evidence tampering: for example as noted earlier, and also when FBI special agent Richard Harrison (equipped with finger print ink and Oswald's alleged rifle) went to Miller’s Funeral Home where the slain Oswald lay, in order to get ex post facto fingerprints which weren’t there originally. As Walt Brown notes (Brown: 1995, Treachery in Dallas, Carroll & Graf Publishers, p. 332.), the Dallas PD never bothered to print him at the time of booking - incredible as that seems-  but lots of incredible events transpired that day and on those to follow, including Oswald's killing by Jack Ruby.
 
In 1977, Canadian Defense Dept. Photographic specialist Maj. John Pickard noted the 99% probability the LIFE cover photo was a fake and noted each photo was taken from a slightly different angle. When superpositions of the images are performed, e.g. one photo laid atop another in succession, it is found that nothing matches exactly. As Pickard observed:

"Yet, impossibly, while one body is bigger - the heads match perfectly."

Again, this can be explained using the same "spliced out head"  re-incorporated into each image.. 

It is incredible Farid has not performed this simple test, but then that would mean divorcing himself from his computer- which he obviously believes to be the next thing to an Oracle. In the above context, I am convinced that Farid’s preoccupation with statistical disparities or deviations in pixel density is only useful provided he knows the full and complete history of the object-film-photographic emulsion he is investigating. In particular, what criteria has he to implicitly trust the source photo? As my middle brother, a former photographic specialist with the Air Force in the 1960s also pointed out to me

“First of all he'd have to have had the original photo of Oswald, not a copy, which I doubt very much he had, since the Feds confiscated it and only allowed reprints. Secondly, in those old photos there were no pixels to measure since all photos of that period were taken with film type cameras and no pixels were on them to measure. The photos looked the same as a painted picture, smooth and even ”

To add to what he said, I do admit Farid could have generated pixels from the old photos (to enable and facilitate computer processing), but also - as I pointed out- he'd have to use fractional calculus at all inter-comparison points between all the relevant photos to be assured of a faithful reproduction or representation following any transformations of media. Since it isn't at all clear he did this, then basically he revived computer formats of the old photos, which appear to have already been tampered with, and reproduced the same errors. Farid actually re-discovered the tampering, but was too blinded by his computer processing tools to see it. To make a long story short, and skip to the chase, the differential fractional calculus transformations disclose that the V-shaped shadow under Oswald's nose is essentially identical in all photos, despite the fact the photos were taken at different times.
 


Wednesday, March 13, 2013

Rachel Maddow Blows It On Her ‘Gun Reform’ Piece


Oswald "Ghost" photo  (TOP)- found at Dallas PD Headquarters. This is the photo assassination researchers believe was used to frame him using the bottom photos, one of which later appeared on a LIFE magazine cover and which Rachel Maddow displayed on her gun reform piece last night.


Well, it appears Rachel Maddow – one of our leading liberal lights - has disclosed she too is an imbiber of false history (or untold history) kool aid, buying into the codswallop that Lee Oswald assassinated JFK. This was in conjunction with an initial segment last night on a gun reform law (S. 3714) that JFK had proposed:
“to exclude from importation or re-importation into the United States arms or ammunition originally manufactured for military purposes.”


She then went on to name as one example the Italian 6.5 mm Mannlicher-Carcano rifle, which she noted with irony, was purchased by Lee Harvey Oswald in March, 1963 and used to kill Kennedy in November of the same year.  She even displayed photos of Oswald holding the rifle in an effort to tie him to it (already attempted nearly 50 years ago)

But no where in her piece did she note that its nickname during WWII was “the rifle that never killed anyone” . This was how badly the weapon functioned, or rather, how often it malfunctioned. We in the JFK assassination research community have been trying for now going on 48 years to relate to the American public that on no account would a serious assassin have chosen or used such a weapon. But over and over well-meaning people like Maddow, especially in the "liberal media", set us back!


Ok, as for the photo shots of Oswald holding said weapon, i.e. the photos that appeared in LIFE magazine, I have already exposed those as fakes, frauds --- likely put together by a team of CIA specialists using a splicing technique to superimpose Oswald’s head onto the body of another actually holding the weapon.
The full blog on the techniques can be read here: http://brane-space.blogspot.com/2009/11/hany-farids-pixelated-illusions.html

Therein I used a conceptual spaces analysis, in tandem with the known date on which the photo was taken, to show the shadow lengths did not match the solar position for the date. As it turns out, on March 31, 1963 (the documented date from FBI files for the backyard photo), one can compute (using a specialized computer program) the maximum solar altitude on the local meridian at noon (for lat. 32 deg 47’ 09” or Dallas, TX) as 57.0 deg. For example, in the LIFE photo, let x2 be the near edge of the 3rd fence picket and x1 be the position of the heel of Lee’s boot, and (x2 – x1) = 1.5 m. Let (y2 – y1) be the distance of Lee in front of the picket fence, or 3m.


Then the distance d1(x,y) ought to approximately yield the length of his shadow, in this case:

d1(x,y) = {3m)^2 + (1.5^m )2}^1/2 = 3.35 m.


We know from basic astronomy that the height of an object in the Sun is related to its minimum shadow length (L_s = d1(x,y)) by:

tan (a) = H/ L_s

where (a) is the altitude of the Sun. Thus:

tan (a) = (1.74)/ (3.35) = 0.464, or a = 24.8 deg

However, if d1(x,y) is off by 50% and therefore, d1(x,y) = 1.17 m instead of 3.35m then, the altitude of the Sun would be:

tan (a) = (1.74)/ (1.17) = 56.0 deg

Or, within 1 degree of the maximum solar altitude on the local meridian for noon (LMT)  at Dallas, TX on that date. This means that if the photo is legit, and conforms to the correct solar meridian crossing on that date, Oswald’s shadow can be no longer than 1.12m, which sets limits on how far he can be located from the picket fence. But estimated shadow measurements show a significant disparity (> 1m) - so the LIFE photo cannot be legit, but obviously confected to frame him.

In 1977, a Canadian Defense Dept. Photographic specialist: Maj. John Pickard,  noted a 99% probability the LIFE cover photo was a fake and that each photo was taken from a slightly different angle. When superpositions of the images are performed, e.g. one photo laid atop another in succession, it is found that nothing matches exactly. As Pickard observed:  "Yet, impossibly, while one body is bigger - the heads match perfectly."

Again, this can be explained using the same "spliced in head".


Adding to the weight for this claim was the discovery of what has come to be known as "the Oswald ghost photo" (see top image). This had been  recovered at Dallas PD headquarters some time after the assassination. As one can discern, the “ghost” is a cutout into which another image can be pasted-superposed. The cutout image, many of us conclude, was obtained using a Dallas cop stand –in, which photo was also found in Dallas Police files, along with the ghost image.

Photo specialist Robert Hester was called on 22 November, 1963 to help process assassination -related photos for the FBI and Dallas police. Hester reported (and his wife Patricia confirmed) that he saw an FBI agent with a color transparency of one of the backyard photos with NO figure in the picture.  Hester has surmised and many researchers agree, that the blank photo was intended to deliberately set up Oswald. The mistake of the Dallas PD (which former Justice Dept. special agent Walt Brown ties into the plot as accessories, see his book, 'Treachery in Dallas' - Chapter 'Blue Death') was leaving incriminating evidence for their frame- up lying around. If they'd had any sense, they'd have burned it.

Let's also bear in mind the fact that a trained team of expert marksmen (assigned by the Warren Commission)  was unable to replicate Oswald's alleged feat! Oswald was presumed to have fired from the 6th floor of the Texas School Book Depository, so effectively six stories up or 60’ in altitude. However, the experts were allowed to fire from a tower only half this altitude (30’)[1]. In addition, while Oswald had to have fired at a limousine moving at 11 mile per hour, the experts fired at stationary targets. Anyone who's ever fired a high powered rifle will tell you it's much easier to hit a stationary target than a moving one!


[1] The Warren Commission Report, p. 137.

The target area was also magnified for the experts, to the whole upper torso of the target prop’s body – while Oswald was limited to the head and neck. More to the point, the rifle was altered away from the one Oswald used. The rifle sight itself was rebuilt and “metal shims were fitted to provide a degree of accuracy previously absent’. When Ronald Simmons, the Chief of the Infantry Weapons Evaluation Branch of the Army’s Ballistics Research Division was asked about this he replied: “Well, they could not sight the weapon in using the telescope" (Op. cit. ,Vol. II, p. 250.)


He added that the aiming apparatus had to be rebuilt by a machinist with two shims added, one to adjust for the elevation, the other for the azimuth. In other words, had they actually used the rifle in the same condition Oswald was alleged to have had it, then they’d likely not have hit the side of a barn. (Maybe one reason the Italians dubbed their Norma Mannlicher-Carcano 6.5 mm bolt action rifle that Oswald was supposed to have used as "the rifle that never killed anyone").

More interesting to me (and many others) is that in the immediate wake of the assassination, the actual rifle reported found at the Book Depository (i.e. by NBC News, in real time tapes) was a MAUSER. Now, THAT is a weapon that could have been used in an assassination, as opposed to the ridiculous Mannlicher-Carcano (which National Archives personnel won't even let researchers touch for fear it will far apart - as per a letter to Patricia Dumais who asked them to check the serial no.).  But if  a Mauser was used from the TBSD the shot would not have been the kill shot but rather the shot to the upper back. (Since in the real autopsy photos the entry wound was in the right front, the gaping exit wound in the rear, see e.g.
At the end of the test trials, these Master Marksmen each fired two series of three shots each (18 rounds in all) at 3 stationary targets placed at distances of 175’, 240’ and 265’ (the last coming nearest to the distance from the Texas School Book Depository to the head shot). Even Chief Simmons admitted that the targets were not placed where they ought to have been to emulate conditions on November 22, 1963.


Just one of the three expert riflemen was able to get off three shots in under 5.6 seconds – the designated time interval for total shots declared by the Warren Commission. And most to the point: none of the total 18 shots fired struck the targets in the head or the neck. In other words, from a technical standpoint of duplicating Oswald’s alleged shots- this trio of experts failed. Another key aspect: for the duration of the 18 rounds, two of the master riflemen were unable to reload and fire at the stationary target as rapidly as Oswald purportedly did for the moving limo.


Why has Maddow - bright woman that she is - evidently bought into the Oswald killed Kennedy myth? My take, similar to the case of Stephen King doing it in his novel ('11/22/63’ ) is that it was the easiest path to take. For King it made for an expediently written novel, as opposed to one with hidden complexities of plot, albeit that reflected history more faithfully (such as Don deLillo's excellent, 'Libra'.) For Maddow, it allowed her to hone her focus in light of the fact her attention was primarily on gun reform law history and not on the assassination. Hence, to veer from the official dogma and mention “conspirators” as opposed to Oswald, would have deflected attention from her piece and the need for current gun reform.


I understand that, and appreciate it. But as we draw nearer to the 50th anniversary date, I do hope Maddow will have the courage to take on the real issues of the assassination, namely that JFK was murdered by a power cabal of big banking, intelligence and oil*, that couldn’t tolerate his assorted initiatives, whether pulling out of Vietnam in 1965 (by National Security Action Memorandum 263), or taking away the oil depletion tax allowance, or doing an end run around the Federal Reserve to issue $4.2 billion in U.S. Notes in place of Federal Reserve notes. See e.g. http://brane-space.blogspot.com/2012/07/yes-those-us-notes-were-real.html


*The nexus of how these are interlinked is discussed at length in Donald Gibson’s book: Battling Wall Street: The Kennedy Presidency