Canon PowerShot A640
- Camera Make: Canon
- Camera Model: Canon PowerShot A640
- Number of data sets: 62
- Averaged RSP file
All response curves from which the average was
derived. Only the green channels are plotted.
derived. Only the green channels are plotted.
Averaged response function for
the Red, Green and Blue channel.
the Red, Green and Blue channel.
The response curve is the higher order polynomial of the form:
y = a x6 + b x5 + c x4 + d x3 + e x2 + f x + g, with
| Channel | a | b | c | d | e | f | g |
|---|---|---|---|---|---|---|---|
| Red | 0 | 0 | 0.126131 | 0.901749 | -0.313735 | 0.299534 | 0.003499 |
| Green | 0 | 0 | 0.110707 | 0.76862 | -0.116177 | 0.232455 | 0.004395 |
| Blue | 0 | 0 | 0.166467 | 0.850903 | -0.283534 | 0.252358 | 0.002433 |