"mcdonaldREMOVE TO ACTUALLY REACH wrote in message
...
| Paul Furman wrote:
|
| Dissolving the filter doesn't change the circuitry and firmware. The
| camera still interprets the 2x2 sensor array as one pixel.
|
| That's incorrect. The algorithms used to determine pixel values
| actually look at MORE than a 2x2 array! They try to determine, for
example,
| if an edge runs through a pixel. If it does, they use other
| parts of the two sides ... outside a 2x2 array ... to try to determine
| all three RGB values of the pixel. The algortithms are nonlinear ..
| they do not merely interpolate. They actually GUESS.
|
|
| The raw file has the separate bayer parts unmerged.
|
| I'm not sure how a half pixel shift would work for increasing
| resolution... perhaps you'd need to go 1-1/2 or 2-1/2 pixels.
|
|
| 1/2 pixel increments would work.
|
| Doug McDonald

and the nyquist limit?