Hi Ben,
Thank you for your work.
On Fri, 7 Jul 2023 at 14:41, Ben Benson via libcamera-devel
<libcamera-devel at lists.libcamera.org> wrote:
>
> Altered the color matrices for the tuning files for various
> cameras in order to make them more color accurate.
>
> Signed-off-by Ben Benson <ben.benson at raspberrypi.com>
Reviewed-by: Naushir Patuck <naush at raspberrypi.com>
> ---
> src/ipa/rpi/vc4/data/imx219.json | 66 ++++-------
> src/ipa/rpi/vc4/data/imx296.json | 160 +++++---------------------
> src/ipa/rpi/vc4/data/imx477.json | 93 ++++-----------
> src/ipa/rpi/vc4/data/imx708.json | 139 ++++------------------
> src/ipa/rpi/vc4/data/imx708_wide.json | 49 ++++----
> src/ipa/rpi/vc4/data/ov5647.json | 66 ++++-------
> 6 files changed, 147 insertions(+), 426 deletions(-)
>
> diff --git a/src/ipa/rpi/vc4/data/imx219.json b/src/ipa/rpi/vc4/data/imx219.json
> index efe7210a..e8fce164 100644
> --- a/src/ipa/rpi/vc4/data/imx219.json
> +++ b/src/ipa/rpi/vc4/data/imx219.json
> @@ -405,75 +405,57 @@
> {
> "ccms": [
> {
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> + "ct": 2860,
> "ccm":
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> - -0.60639, 2.03422, -0.42782,
> - -0.19612, -1.69203, 2.88815
> + 2.12089, -0.52461, -0.59629,
> + -0.85342, 2.80445, -0.95103,
> + -0.26897, -1.14788, 2.41685
> ]
> },
> {
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> "ccm":
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> + -0.77008, 2.60271, -0.83262,
> + -0.26036, -1.51254, 2.77289
> ]
> },
> {
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> + "ct": 3603,
> "ccm":
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> + -0.77828, 2.69474, -0.91645,
> + -0.25239, -0.83059, 2.08298
> ]
> },
> {
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> + "ct": 4650,
> "ccm":
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> + -0.25157, -0.71978, 1.97135
> ]
> },
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> "ccm":
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> + -0.63821, 2.58348, -0.94527,
> + -0.28541, -0.54112, 1.82653
> ]
> },
> {
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> + "ct": 7580,
> "ccm":
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> - ]
> - },
> - {
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> - "ccm":
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> - -0.36073, 1.83327, -0.47255,
> - -0.08378, -0.56403, 1.64781
> - ]
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> - {
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> - "ccm":
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> + -0.57875, 3.07922, -1.50047,
> + -0.27709, -0.73338, 2.01048
> ]
> }
> ]
> diff --git a/src/ipa/rpi/vc4/data/imx296.json b/src/ipa/rpi/vc4/data/imx296.json
> index 9330d0a9..7621f759 100644
> --- a/src/ipa/rpi/vc4/data/imx296.json
> +++ b/src/ipa/rpi/vc4/data/imx296.json
> @@ -357,174 +357,66 @@
> {
> "ccms": [
> {
> - "ct": 2000,
> + "ct": 2500,
> "ccm":
> [
> - 1.48716, -0.1877, -0.35079,
> - -0.48577, 1.55088, -0.03387,
> - 0.24919, -1.4583, 2.12083
> - ]
> - },
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> - "ccm":
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> - ]
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> - ]
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> + -0.46945, 1.86661, -0.39716,
> + 0.07977, -1.14072, 2.06095
> ]
> },
> {
> "ct": 2800,
> "ccm":
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> - ]
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> ]
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> ]
> },
> {
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> "ccm":
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> ]
> },
> {
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> "ccm":
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> - ]
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> - {
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> ]
> },
> {
> "ct": 5600,
> "ccm":
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> - ]
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> - {
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> ]
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> + -0.48279, 2.84309, -1.36031,
> + -0.21178, -0.66532, 1.87709
> ]
> }
> ]
> diff --git a/src/ipa/rpi/vc4/data/imx477.json b/src/ipa/rpi/vc4/data/imx477.json
> index daffc268..0e39d419 100644
> --- a/src/ipa/rpi/vc4/data/imx477.json
> +++ b/src/ipa/rpi/vc4/data/imx477.json
> @@ -410,102 +410,57 @@
> {
> "ccms": [
> {
> - "ct": 2360,
> + "ct": 2850,
> "ccm":
> [
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> + 1.97469, -0.71439, -0.26031,
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> ]
> },
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> - ]
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> ]
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> "ccm":
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> ]
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> ]
> }
> ]
> diff --git a/src/ipa/rpi/vc4/data/imx708.json b/src/ipa/rpi/vc4/data/imx708.json
> index 6b26d0a1..c40a5994 100644
> --- a/src/ipa/rpi/vc4/data/imx708.json
> +++ b/src/ipa/rpi/vc4/data/imx708.json
> @@ -368,147 +368,48 @@
> {
> "ccms": [
> {
> - "ct": 2498,
> + "ct": 2964,
> "ccm":
> [
> - 1.14912, 0.28638, -0.43551,
> - -0.49691, 1.60391, -0.10701,
> - -0.10513, -1.09534, 2.20047
> + 1.72129, -0.45961, -0.26169,
> + -0.30042, 1.56924, -0.26882,
> + 0.15133, -1.13293, 1.98161
> ]
> },
> {
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> + "ct": 3610,
> "ccm":
> [
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> - -0.05077, -0.96422, 2.01498
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> ]
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> "ccm":
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> + -0.28309, 1.67098, -0.38788,
> + 0.01695, -0.57209, 1.55515
> ]
> },
> {
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> + "ct": 5910,
> "ccm":
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> ]
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> {
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> "ccm":
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> - ]
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> - ]
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> - {
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> - "ccm":
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> - -0.22277, 1.35752, -0.13475,
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> + -0.17646, 1.71734, -0.54087,
> + 0.01297, -0.63111, 1.61814
> ]
> }
> ]
> diff --git a/src/ipa/rpi/vc4/data/imx708_wide.json b/src/ipa/rpi/vc4/data/imx708_wide.json
> index 14bc918e..65543628 100644
> --- a/src/ipa/rpi/vc4/data/imx708_wide.json
> +++ b/src/ipa/rpi/vc4/data/imx708_wide.json
> @@ -358,48 +358,57 @@
> {
> "ccms": [
> {
> - "ct": 2750,
> + "ct": 2868,
> "ccm":
> [
> - 1.13004, 0.36392, -0.49396,
> - -0.45885, 1.68171, -0.22286,
> - -0.06473, -0.86962, 1.93435
> + 1.58923, -0.36649, -0.22273,
> + -0.43591, 1.84858, -0.41268,
> + 0.02948, -0.77666, 1.74718
> ]
> },
> {
> - "ct": 2940,
> + "ct": 2965,
> "ccm":
> [
> - 1.29876, 0.09627, -0.39503,
> - -0.43085, 1.60258, -0.17172,
> - -0.02638, -0.92581, 1.95218
> + 1.73397, -0.42794, -0.30603,
> + -0.36504, 1.72431, -0.35926,
> + 0.12765, -1.10933, 1.98168
> ]
> },
> {
> - "ct": 3650,
> + "ct": 3603,
> "ccm":
> [
> - 1.57729, -0.29734, -0.27995,
> - -0.42965, 1.66231, -0.23265,
> - -0.02183, -0.62331, 1.64514
> + 1.61787, -0.42704, -0.19084,
> + -0.37819, 1.74588, -0.36769,
> + 0.00961, -0.59807, 1.58847
> ]
> },
> {
> - "ct": 4625,
> + "ct": 4620,
> "ccm":
> [
> - 1.52145, -0.22382, -0.29763,
> - -0.40445, 1.82186, -0.41742,
> - -0.05732, -0.56222, 1.61954
> + 1.55581, -0.35422, -0.20158,
> + -0.31805, 1.79309, -0.47505,
> + -0.01256, -0.54489, 1.55746
> ]
> },
> {
> - "ct": 5715,
> + "ct": 5901,
> "ccm":
> [
> - 1.67851, -0.39193, -0.28658,
> - -0.37169, 1.72949, -0.35781,
> - -0.09556, -0.41951, 1.51508
> + 1.64439, -0.48855, -0.15585,
> + -0.29149, 1.67122, -0.37972,
> + -0.03111, -0.44052, 1.47163
> + ]
> + },
> + {
> + "ct": 7610,
> + "ccm":
> + [
> + 1.48667, -0.26072, -0.22595,
> + -0.21815, 1.86724, -0.64909,
> + -0.00985, -0.64485, 1.65471
> ]
> }
> ]
> diff --git a/src/ipa/rpi/vc4/data/ov5647.json b/src/ipa/rpi/vc4/data/ov5647.json
> index d770e44f..a1b42a18 100644
> --- a/src/ipa/rpi/vc4/data/ov5647.json
> +++ b/src/ipa/rpi/vc4/data/ov5647.json
> @@ -406,75 +406,57 @@
> {
> "ccms": [
> {
> - "ct": 2500,
> + "ct": 2873,
> "ccm":
> [
> - 1.70741, -0.05307, -0.65433,
> - -0.62822, 1.68836, -0.06014,
> - -0.04452, -1.87628, 2.92079
> + 1.88195, -0.26249, -0.61946,
> + -0.63842, 2.11535, -0.47693,
> + -0.13531, -0.99739, 2.13271
> ]
> },
> {
> - "ct": 2803,
> + "ct": 2965,
> "ccm":
> [
> - 1.74383, -0.18731, -0.55652,
> - -0.56491, 1.67772, -0.11281,
> - -0.01522, -1.60635, 2.62157
> + 2.15048, -0.51859, -0.63189,
> + -0.53572, 1.92585, -0.39013,
> + 0.01831, -1.48576, 2.46744
> ]
> },
> {
> - "ct": 2912,
> + "ct": 3606,
> "ccm":
> [
> - 1.75215, -0.22221, -0.52995,
> - -0.54568, 1.63522, -0.08954,
> - 0.02633, -1.56997, 2.54364
> + 1.97522, -0.43847, -0.53675,
> + -0.56151, 1.99765, -0.43614,
> + -0.12438, -0.77056, 1.89493
> ]
> },
> {
> - "ct": 2914,
> + "ct": 4700,
> "ccm":
> [
> - 1.72423, -0.28939, -0.43484,
> - -0.55188, 1.62925, -0.07737,
> - 0.01959, -1.28661, 2.26702
> + 2.00971, -0.51461, -0.49511,
> + -0.52109, 2.01003, -0.48894,
> + -0.09527, -0.67318, 1.76845
> ]
> },
> {
> - "ct": 3605,
> + "ct": 5890,
> "ccm":
> [
> - 1.80381, -0.43646, -0.36735,
> - -0.46505, 1.56814, -0.10309,
> - 0.00929, -1.00424, 1.99495
> + 2.13616, -0.65283, -0.48333,
> + -0.48364, 1.93115, -0.44751,
> + -0.13465, -0.54831, 1.68295
> ]
> },
> {
> - "ct": 4540,
> + "ct": 7600,
> "ccm":
> [
> - 1.85263, -0.46545, -0.38719,
> - -0.44136, 1.68443, -0.24307,
> - 0.04108, -0.85599, 1.81491
> - ]
> - },
> - {
> - "ct": 5699,
> - "ccm":
> - [
> - 1.98595, -0.63542, -0.35054,
> - -0.34623, 1.54146, -0.19522,
> - 0.00411, -0.70936, 1.70525
> - ]
> - },
> - {
> - "ct": 8625,
> - "ccm":
> - [
> - 2.21637, -0.56663, -0.64974,
> - -0.41133, 1.96625, -0.55492,
> - -0.02307, -0.83529, 1.85837
> + 2.06599, -0.39161, -0.67439,
> + -0.50883, 2.27467, -0.76583,
> + -0.13961, -0.66121, 1.80081
> ]
> }
> ]
> --
> 2.34.1
>