{"id":18033,"url":"https://patchwork.libcamera.org/api/1.1/patches/18033/?format=json","web_url":"https://patchwork.libcamera.org/patch/18033/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20221216135903.17446-1-naush@raspberrypi.com>","date":"2022-12-16T13:59:03","name":"[libcamera-devel] ipa: raspberrypi: Add a \"scientific\" tuning for the IMX477","commit_ref":"bf66a1d25162350a66444e0398cc2d5f90c26e10","pull_url":null,"state":"accepted","archived":false,"hash":"6eef817dfb373690908fbd0397c5e748c00bd592","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/1.1/people/34/?format=json","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18033/mbox/","series":[{"id":3676,"url":"https://patchwork.libcamera.org/api/1.1/series/3676/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3676","date":"2022-12-16T13:59:03","name":"[libcamera-devel] ipa: raspberrypi: Add a \"scientific\" tuning for the IMX477","version":1,"mbox":"https://patchwork.libcamera.org/series/3676/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18033/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18033/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id F3B3EC31E9\n\tfor ;\n\tFri, 16 Dec 2022 13:59:09 +0000 (UTC)","from 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(PST)","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 16 Dec 2022 13:59:03 +0000","Message-Id":"<20221216135903.17446-1-naush@raspberrypi.com>","X-Mailer":"git-send-email 2.25.1","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH] ipa: raspberrypi: Add a \"scientific\"\n\ttuning for the IMX477","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Naushir Patuck via libcamera-devel\n\t","Reply-To":"Naushir Patuck ","Cc":"Rolf Henkel ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a tuning file for the IMX477 more suited to scientific applications.\nThe key differences from the original tuning file are:\n\n- Disable ALSC block completely\n- Pure rec709 gamma curve, and no contrast enhance\n- New CT curve and CCMs based on the illumination spectrum of a black body\nradiator up to about 3600 K and the CIE illuminant D for higher color\ntemperatures.\n\nFurther details on the changes can be found at:\nhttps://forums.raspberrypi.com/viewtopic.php?t=343449\n\nAll credit for these changes go to Dr. Rolf Henkel.\n\nSigned-off-by: Naushir Patuck \nSigned-off-by: Rolf Henkel \n---\n .../raspberrypi/data/imx477_scientific.json | 482 ++++++++++++++++++\n src/ipa/raspberrypi/data/meson.build | 1 +\n 2 files changed, 483 insertions(+)\n create mode 100755 src/ipa/raspberrypi/data/imx477_scientific.json","diff":"diff --git a/src/ipa/raspberrypi/data/imx477_scientific.json b/src/ipa/raspberrypi/data/imx477_scientific.json\nnew file mode 100755\nindex 000000000000..17c4ed0a5e74\n--- /dev/null\n+++ b/src/ipa/raspberrypi/data/imx477_scientific.json\n@@ -0,0 +1,482 @@\n+{\n+ \"version\": 2.0,\n+ \"target\": \"bcm2835\",\n+ \"algorithms\": [\n+ {\n+ \"rpi.black_level\":\n+ {\n+ \"black_level\": 4096\n+ }\n+ },\n+ {\n+ \"rpi.dpc\": { }\n+ },\n+ {\n+ \"rpi.lux\":\n+ {\n+ \"reference_shutter_speed\": 27242,\n+ \"reference_gain\": 1.0,\n+ \"reference_aperture\": 1.0,\n+ \"reference_lux\": 830,\n+ \"reference_Y\": 17755\n+ }\n+ },\n+ {\n+ \"rpi.noise\":\n+ {\n+ \"reference_constant\": 0,\n+ \"reference_slope\": 2.767\n+ }\n+ },\n+ {\n+ \"rpi.geq\":\n+ {\n+ \"offset\": 204,\n+ \"slope\": 0.01078\n+ }\n+ },\n+ {\n+ \"rpi.sdn\": { }\n+ },\n+ {\n+ \"rpi.awb\":\n+ {\n+ \"priors\": [\n+ {\n+ \"lux\": 0,\n+ \"prior\":\n+ [\n+ 2000, 1.0,\n+ 3000, 0.0,\n+ 13000, 0.0\n+ ]\n+ },\n+ {\n+ \"lux\": 800,\n+ \"prior\":\n+ [\n+ 2000, 0.0,\n+ 6000, 2.0,\n+ 13000, 2.0\n+ ]\n+ },\n+ {\n+ \"lux\": 1500,\n+ \"prior\":\n+ [\n+ 2000, 0.0,\n+ 4000, 1.0,\n+ 6000, 6.0,\n+ 6500, 7.0,\n+ 7000, 1.0,\n+ 13000, 1.0\n+ ]\n+ }\n+ ],\n+ \"modes\":\n+ {\n+ \"auto\":\n+ {\n+ \"lo\": 2500,\n+ \"hi\": 8000\n+ },\n+ \"incandescent\":\n+ {\n+ \"lo\": 2500,\n+ \"hi\": 3000\n+ },\n+ \"tungsten\":\n+ {\n+ \"lo\": 3000,\n+ \"hi\": 3500\n+ },\n+ \"fluorescent\":\n+ {\n+ \"lo\": 4000,\n+ \"hi\": 4700\n+ },\n+ \"indoor\":\n+ {\n+ \"lo\": 3000,\n+ \"hi\": 5000\n+ },\n+ \"daylight\":\n+ {\n+ \"lo\": 5500,\n+ \"hi\": 6500\n+ },\n+ \"cloudy\":\n+ {\n+ \"lo\": 7000,\n+ \"hi\": 8600\n+ }\n+ },\n+ \"bayes\": 1,\n+ \"ct_curve\":\n+ [\n+ 2000.0, 0.6331025775790707, 0.27424225990946915,\n+ 2200.0, 0.5696117366212947, 0.3116091368689487,\n+ 2400.0, 0.5204264653110015, 0.34892179554105873,\n+ 2600.0, 0.48148675531667223, 0.38565229719076793,\n+ 2800.0, 0.450085403501908, 0.42145684622485047,\n+ 3000.0, 0.42436130159169017, 0.45611835670028816,\n+ 3200.0, 0.40300023695527337, 0.48950766215198593,\n+ 3400.0, 0.3850520052612984, 0.5215567075837261,\n+ 3600.0, 0.36981508088230314, 0.5522397906415475,\n+ 4100.0, 0.333468007836758, 0.5909770465167908,\n+ 4600.0, 0.31196097364221376, 0.6515706327327178,\n+ 5100.0, 0.2961860409294588, 0.7068178946570284,\n+ 5600.0, 0.2842607232745885, 0.7564837749584288,\n+ 6100.0, 0.2750265787051251, 0.8006183524920533,\n+ 6600.0, 0.2677057225584924, 0.8398879225373039,\n+ 7100.0, 0.2617955199757274, 0.8746456080032436,\n+ 7600.0, 0.25693714288250125, 0.905569559506562,\n+ 8100.0, 0.25287531441063316, 0.9331696750390895,\n+ 8600.0, 0.24946601483331993, 0.9576820904825795\n+ ],\n+ \"sensitivity_r\": 1.05,\n+ \"sensitivity_b\": 1.05,\n+ \"transverse_pos\": 0.0238,\n+ \"transverse_neg\": 0.04429,\n+ \"coarse_step\": 0.1\n+ }\n+ },\n+ {\n+ \"rpi.agc\":\n+ {\n+ \"metering_modes\":\n+ {\n+ \"centre-weighted\":\n+ {\n+ \"weights\": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ]\n+ },\n+ \"spot\":\n+ {\n+ \"weights\": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]\n+ },\n+ \"matrix\":\n+ {\n+ \"weights\": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]\n+ }\n+ },\n+ \"exposure_modes\":\n+ {\n+ \"normal\":\n+ {\n+ \"shutter\": [ 100, 10000, 30000, 60000, 66666 ],\n+ \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n+ },\n+ \"short\":\n+ {\n+ \"shutter\": [ 100, 5000, 10000, 20000, 33333 ],\n+ \"gain\": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]\n+ },\n+ \"long\":\n+ {\n+ \"shutter\": [ 100, 10000, 30000, 60000, 120000 ],\n+ \"gain\": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]\n+ }\n+ },\n+ \"constraint_modes\":\n+ {\n+ \"normal\": [\n+ {\n+ \"bound\": \"LOWER\",\n+ \"q_lo\": 0.98,\n+ \"q_hi\": 1.0,\n+ \"y_target\":\n+ [\n+ 0, 0.3,\n+ 1000, 0.3\n+ ]\n+ }\n+ ],\n+ \"highlight\": [\n+ {\n+ \"bound\": \"LOWER\",\n+ \"q_lo\": 0.98,\n+ \"q_hi\": 1.0,\n+ \"y_target\":\n+ [\n+ 0, 0.3,\n+ 1000, 0.3\n+ ]\n+ },\n+ {\n+ \"bound\": \"UPPER\",\n+ \"q_lo\": 0.98,\n+ \"q_hi\": 1.0,\n+ \"y_target\":\n+ [\n+ 0, 0.8,\n+ 1000, 0.8\n+ ]\n+ }\n+ ],\n+ \"shadows\": [\n+ {\n+ \"bound\": \"LOWER\",\n+ \"q_lo\": 0.0,\n+ \"q_hi\": 0.5,\n+ \"y_target\":\n+ [\n+ 0, 0.17,\n+ 1000, 0.17\n+ ]\n+ }\n+ ]\n+ },\n+ \"y_target\":\n+ [\n+ 0, 0.16,\n+ 1000, 0.165,\n+ 10000, 0.17\n+ ]\n+ }\n+ },\n+ {\n+ \"rpi.contrast\":\n+ {\n+ \"ce_enable\": 0,\n+ \"gamma_curve\":\n+ [\n+ 0, 0,\n+ 512, 2304,\n+ 1024, 4608,\n+ 1536, 6573,\n+ 2048, 8401,\n+ 2560, 9992,\n+ 3072, 11418,\n+ 3584, 12719,\n+ 4096, 13922,\n+ 4608, 15045,\n+ 5120, 16103,\n+ 5632, 17104,\n+ 6144, 18056,\n+ 6656, 18967,\n+ 7168, 19839,\n+ 7680, 20679,\n+ 8192, 21488,\n+ 9216, 23028,\n+ 10240, 24477,\n+ 11264, 25849,\n+ 12288, 27154,\n+ 13312, 28401,\n+ 14336, 29597,\n+ 15360, 30747,\n+ 16384, 31856,\n+ 17408, 32928,\n+ 18432, 33966,\n+ 19456, 34973,\n+ 20480, 35952,\n+ 22528, 37832,\n+ 24576, 39621,\n+ 26624, 41330,\n+ 28672, 42969,\n+ 30720, 44545,\n+ 32768, 46065,\n+ 34816, 47534,\n+ 36864, 48956,\n+ 38912, 50336,\n+ 40960, 51677,\n+ 43008, 52982,\n+ 45056, 54253,\n+ 47104, 55493,\n+ 49152, 56704,\n+ 51200, 57888,\n+ 53248, 59046,\n+ 55296, 60181,\n+ 57344, 61292,\n+ 59392, 62382,\n+ 61440, 63452,\n+ 63488, 64503,\n+ 65535, 65535\n+ ]\n+ }\n+ },\n+ {\n+ \"rpi.ccm\":\n+ {\n+ \"ccms\": [\n+ {\n+ \"ct\": 2000,\n+ \"ccm\":\n+ [\n+ 1.5813882365848004, -0.35293683714581114, -0.27378771561617715,\n+ -0.4347297185453639, 1.5792631087746074, -0.12102601986382337,\n+ 0.2322290578987574, -1.4382672640468128, 2.1386425781770755\n+ ]\n+ },\n+ {\n+ \"ct\": 2200,\n+ \"ccm\":\n+ [\n+ 1.6322048484088305, -0.45932286857238486, -0.21373542690252198,\n+ -0.3970719209901105, 1.5877868651467202, -0.17249380832122455,\n+ 0.20753774825903412, -1.2660673594740142, 2.005654261091916\n+ ]\n+ },\n+ {\n+ \"ct\": 2400,\n+ \"ccm\":\n+ [\n+ 1.6766610071470398, -0.5447101051688111, -0.16838641107407676,\n+ -0.3659845183388154, 1.592223692670396, -0.2127091997471162,\n+ 0.1833964516767549, -1.1339155942419321, 1.9089342978542396\n+ ]\n+ },\n+ {\n+ \"ct\": 2600,\n+ \"ccm\":\n+ [\n+ 1.7161984340622154, -0.6152585785678794, -0.1331100845092582,\n+ -0.33972082628066275, 1.5944888273736966, -0.2453979465898787,\n+ 0.1615577497676328, -1.0298684958833109, 1.8357854177422053\n+ ]\n+ },\n+ {\n+ \"ct\": 2800,\n+ \"ccm\":\n+ [\n+ 1.7519307259815728, -0.6748682080165339, -0.10515169074540848,\n+ -0.3171703484479931, 1.5955820297498486, -0.2727395854813966,\n+ 0.14230870739974305, -0.9460976023551511, 1.778709391659538\n+ ]\n+ },\n+ {\n+ \"ct\": 3000,\n+ \"ccm\":\n+ [\n+ 1.7846716625128374, -0.7261240476375332, -0.08274697420358428,\n+ -0.2975654035173307, 1.5960425637021738, -0.2961043416505157,\n+ 0.12546426281675097, -0.8773434727076518, 1.7330356805246685\n+ ]\n+ },\n+ {\n+ \"ct\": 3200,\n+ \"ccm\":\n+ [\n+ 1.8150085872943436, -0.7708109672515514, -0.06469468211419174,\n+ -0.2803468940646277, 1.596168842967451, -0.3164044170681625,\n+ 0.11071494533513807, -0.8199772290209191, 1.69572135046367\n+ ]\n+ },\n+ {\n+ \"ct\": 3400,\n+ \"ccm\":\n+ [\n+ 1.8433668304932087, -0.8102060605062592, -0.05013485852801454,\n+ -0.2650934036324084, 1.5961288492969294, -0.33427554893845535,\n+ 0.0977478941863518, -0.7714303112098978, 1.6647070820146963\n+ ]\n+ },\n+ {\n+ \"ct\": 3600,\n+ \"ccm\":\n+ [\n+ 1.8700575831917468, -0.8452518300291346, -0.03842644337477299,\n+ -0.2514794528347016, 1.5960178299141876, -0.3501774949366156,\n+ 0.08628520830733245, -0.729841503339915, 1.638553343939267\n+ ]\n+ },\n+ {\n+ \"ct\": 4100,\n+ \"ccm\":\n+ [\n+ 1.8988700903560716, -0.8911278803351247, -0.018848644425650693,\n+ -0.21487101487384094, 1.599236541382614, -0.39405450457918206,\n+ 0.08251488056482173, -0.7178919368326191, 1.6267009056502704\n+ ]\n+ },\n+ {\n+ \"ct\": 4600,\n+ \"ccm\":\n+ [\n+ 1.960355191764125, -0.9624344812121991, -0.0017122408632169205,\n+ -0.19444620905212898, 1.5978493736948447, -0.416727638296156,\n+ 0.06310261513271084, -0.6483790952487849, 1.5834605477213093\n+ ]\n+ },\n+ {\n+ \"ct\": 5100,\n+ \"ccm\":\n+ [\n+ 2.014680536961399, -1.0195930302148566, 0.007728256612638915,\n+ -0.17751999660735496, 1.5977081555831, -0.4366085498741474,\n+ 0.04741267583041334, -0.5950327902073489, 1.5512919847321853\n+ ]\n+ },\n+ {\n+ \"ct\": 5600,\n+ \"ccm\":\n+ [\n+ 2.062652337917251, -1.0658386679125478, 0.011886354256281267,\n+ -0.16319197721451495, 1.598363237584736, -0.45422061523742235,\n+ 0.03465810928795378, -0.5535454108047286, 1.5269025836946852\n+ ]\n+ },\n+ {\n+ \"ct\": 6100,\n+ \"ccm\":\n+ [\n+ 2.104985902038069, -1.103597868736314, 0.012503517136539277,\n+ -0.15090797064906178, 1.5994703078166095, -0.4698414300864995,\n+ 0.02421766063474242, -0.5208922818196823, 1.5081270847783788\n+ ]\n+ },\n+ {\n+ \"ct\": 6600,\n+ \"ccm\":\n+ [\n+ 2.1424988751299714, -1.134760232367728, 0.010730356010435522,\n+ -0.14021846798466234, 1.600822462230719, -0.48379204794526487,\n+ 0.015521315410496622, -0.49463630325832275, 1.4933313534840327\n+ ]\n+ },\n+ {\n+ \"ct\": 7100,\n+ \"ccm\":\n+ [\n+ 2.1758034100130925, -1.1607558481037359, 0.007452724895469076,\n+ -0.13085694672641826, 1.6022648614493245, -0.4962330524084075,\n+ 0.008226943206113427, -0.4733077192319791, 1.4815336120437468\n+ ]\n+ },\n+ {\n+ \"ct\": 7600,\n+ \"ccm\":\n+ [\n+ 2.205529206931895, -1.1826662383072108, 0.0032019529917605167,\n+ -0.122572009780486, 1.6037258133595753, -0.5073973734282445,\n+ 0.0020132587619863425, -0.4556590236414181, 1.471939788496745\n+ ]\n+ },\n+ {\n+ \"ct\": 8100,\n+ \"ccm\":\n+ [\n+ 2.232224969223067, -1.2013672897252885, -0.0016234598095482985,\n+ -0.11518026734442414, 1.6051544769439803, -0.5174558699422255,\n+ -0.0033378143542219835, -0.4408590373867774, 1.4640252230667452\n+ ]\n+ },\n+ {\n+ \"ct\": 8600,\n+ \"ccm\":\n+ [\n+ 2.256082295891265, -1.2173210549996634, -0.0067231350481711675,\n+ -0.10860272839843167, 1.6065150139140594, -0.5264728573611493,\n+ -0.007952618707984149, -0.4284003574050791, 1.4574646927117558\n+ ]\n+ }\n+ ]\n+ }\n+ },\n+ {\n+ \"rpi.sharpen\": { }\n+ },\n+ {\n+ \"rpi.focus\": { }\n+ }\n+ ]\n+}\n\\ No newline at end of file\ndiff --git a/src/ipa/raspberrypi/data/meson.build b/src/ipa/raspberrypi/data/meson.build\nindex 84c1dabbec9c..5565508cf602 100644\n--- a/src/ipa/raspberrypi/data/meson.build\n+++ b/src/ipa/raspberrypi/data/meson.build\n@@ -9,6 +9,7 @@ conf_files = files([\n 'imx378.json',\n 'imx477.json',\n 'imx477_noir.json',\n+ 'imx477_scientific.json',\n 'imx519.json',\n 'ov5647.json',\n 'ov5647_noir.json',\n","prefixes":["libcamera-devel"]}