Canon PowerShot G9

Response

Native RGB responseestimatedCanon PowerShot G9 · Solomatov GT collection
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  • red (R)
  • green (G)
  • blue (B)

Astro mode

Emission-line overlay on the active single-profile plot. Values are the source's own native samples (or a labelled linear interpolation).

About this spectrum5 notes
  • Warning: Response scope is unknown; do not interpret this response as a bare-sensor measurement. Dataset interpretation
  • Warning: Physical configuration is not documented; the response cannot be assigned to a confirmed optical configuration. Dataset interpretation
  • Warning: Estimated response; not a primary measurement. Sources and attribution
  • Warning: Normalization is unknown; amplitude comparisons are not established. Dataset interpretation
  • Warning: Uncertainty is not documented. Missing uncertainty does not mean zero uncertainty. Dataset interpretation
Source & details
Source category: estimated
Estimated response: not a primary measurement (e.g. diffraction-grating closed-form recovery, model prediction). Independent of profile_type and quality/confidence grades.
Type: estimated
Estimated response, not a direct measurement; quality and confidence are assessed separately.
Quality: unassessed
Quality has not been assessed; no grade is inferred. Canonical release: no per-leaf scientific-quality assessment is asserted; the source-side claim is preserved verbatim.
Confidence: unassessed
Confidence has not been assessed; no confidence level is inferred. Canonical release: no claim about the per-leaf measurement precision is asserted; the upstream 'as is' wording (where present) is preserved.
Author
Solomatov
Source
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' (link)
Source category
estimated (estimated response; not a primary measurement)
Methodology
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' — model output.
As-is
Samples rendered verbatim: no smoothing, no interpolation, no zero-padding, no gap bridging in the browser. Documented null sparse cells render as visible gaps.
Optical configuration
cfg-prf-solomatov-pred-canon-powershot-g9-80399f77cf53 (unknown) — unknown
Normalisation
unknown (original: unknown)
Response unit / scale
unknown / unknown
Sample count
31 samples from 400–700 nm, Δ 10 nm
Profile ID
prf-solomatov-pred-canon-powershot-g9-80399f77cf53@1
Profile checksum
sha256:f3f5861d3293f9d5…
Processing
source_column=predicted-Canon-PowerShot-G9.csv
Scientific notes
Canonical release: native grid and native R/G/B samples are preserved verbatim; sparse cells (wavelengths absent in the upstream CSV / JSON) are preserved as null; the parser never invents a value.
Citation
Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera', data/predictions/.
Known limitations
  • source_category=estimated
  • permission_status is 'unknown' on the canonical License record (no independent operational clearance granted).

Graph tools

Inspect, zoom, export, and share the current chart. Native samples only — no interpolation, no averaging.

Channels
Zoom (nm)

Camera specifications

Sensor type
CCD
Sensor format
1/1.7-inch
Sensor size
Unknown
Effective megapixels
12.1 MP
Resolution
Unknown
Lens mount
Unknown
Release year
2007
Specification sources

Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.

Source: Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown)

Data details
Dataset version
recovered-2026-09-29-all-available-with-ie-202404
Manifest digest
8f960e18d6c9dbef…
Manifest schema
0.1.0-draft
Release kind
full
Linked profiles / sessions
1 profile revision
Raw samples (R/G/B at native wavelengths)
  1. prf-solomatov-pred-canon-powershot-g9-80399f77cf53 (revision 1)

    Raw samples for prf-solomatov-pred-canon-powershot-g9-80399f77cf53 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.00336985450.00502977850.013195176
    4100.0054434060.0078178790.031869337
    4200.0084397750.0146079980.07414121
    4300.00442279830.0246098540.12265245
    4400.0126712390.0350293850.15767975
    4500.0171404460.0430227440.18414922
    4600.0206005690.057342730.20321473
    4700.020162860.085167670.20828898
    4800.0222295240.1194989460.19900586
    4900.0207213350.154918730.17086573
    5000.0179552580.194392530.13235041
    5100.0167930480.238477050.09425154
    5200.0159684180.267430040.06093579
    5300.0132636450.276591630.036827166
    5400.008441650.269230040.025507424
    5500.00754544370.2517050.016470766
    5600.021378650.224403710.011849631
    5700.070426240.185963350.010274145
    5800.140623960.142697770.009428482
    5900.180924430.103478660.0055465274
    6000.177619730.070850140.000009642345
    6100.161084590.046871110.000007537794
    6200.138720260.0332442820.0000032512255
    6300.119485380.0227001180.0000026640514
    6400.101300440.0145353280.0000027585647
    6500.083094020.0079799510.0007778778
    6600.065819120.00532830230.0021097611
    6700.0448978840.00230480060.0018663595
    6800.02541340.000740900050.0010336975
    6900.0102070370.00173488540.00037315197
    7000.00728093930.000070245440.00037420788