[{"id":33068,"web_url":"https://patchwork.libcamera.org/comment/33068/","msgid":"","date":"2025-01-14T03:05:46","subject":"Re: [PATCH v1 10/11] ipa: rkisp1: Add support for bayes AWB\n\talgorithm from libipa","submitter":{"id":17,"url":"https://patchwork.libcamera.org/api/people/17/","name":"Paul Elder","email":"paul.elder@ideasonboard.com"},"content":"On Thu, Jan 09, 2025 at 12:54:01PM +0100, Stefan Klug wrote:\n> Now that libipa contains a bayes AWB algorithm, add it as supported\n> algorithm to the rkisp1 ipa.\n> \n> The decision between the grey world algorithm and the bayesian is done\n> based on the \"algorithm\" property of the \"Awb\" algorithm in the tuning\n> file.\n> \n> Signed-off-by: Stefan Klug \n\nReviewed-by: Paul Elder \n\n> ---\n> \n> Todo: The lux level is currently hardcoded to 1000. The result from the\n> lux estimation needs to be used here.\n> ---\n> src/ipa/rkisp1/algorithms/awb.cpp | 44 ++++++++++++++++++++++++++-----\n> 1 file changed, 38 insertions(+), 6 deletions(-)\n> \n> diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp\n> index 42a4784998bc..39a2c0589943 100644\n> --- a/src/ipa/rkisp1/algorithms/awb.cpp\n> +++ b/src/ipa/rkisp1/algorithms/awb.cpp\n> @@ -16,6 +16,7 @@\n> \n> #include \n> \n> +#include \"libipa/awb_bayes.h\"\n> #include \"libipa/awb_grey.h\"\n> #include \"libipa/colours.h\"\n> \n> @@ -45,13 +46,23 @@ class RkISP1AwbStats : public AwbStats\n> {\n> public:\n> \tRkISP1AwbStats(const RGB &rgbMeans)\n> -\t\t: rgbMeans_(rgbMeans) {}\n> +\t\t: rgbMeans_(rgbMeans)\n> +\t{\n> +\t\trg_ = rgbMeans_.r() / rgbMeans_.g();\n> +\t\tbg_ = rgbMeans_.b() / rgbMeans_.g();\n> +\t}\n> \n> -\tdouble computeColourError([[maybe_unused]] const RGB &gains) const override\n> +\tdouble computeColourError(const RGB &gains) const override\n> \t{\n> -\t\tLOG(RkISP1Awb, Error)\n> -\t\t\t<< \"RkISP1AwbStats::computeColourError is not implemented\";\n> -\t\treturn 0.0;\n> +\t\t/*\n> +\t\t* Compute the sum of the squared colour error (non-greyness) as it\n> +\t\t* appears in the log likelihood equation.\n> +\t\t*/\n> +\t\tdouble deltaR = gains.r() * rg_ - 1.0;\n> +\t\tdouble deltaB = gains.b() * bg_ - 1.0;\n> +\t\tdouble delta2 = deltaR * deltaR + deltaB * deltaB;\n> +\n> +\t\treturn delta2;\n> \t}\n> \n> \tRGB getRGBMeans() const override\n> @@ -61,6 +72,8 @@ public:\n> \n> private:\n> \tRGB rgbMeans_;\n> +\tdouble rg_;\n> +\tdouble bg_;\n> };\n> \n> Awb::Awb()\n> @@ -78,13 +91,30 @@ int Awb::init(IPAContext &context, const YamlObject &tuningData)\n> \t\t\t\t\t\t\t kMaxColourTemperature,\n> \t\t\t\t\t\t\t kDefaultColourTemperature);\n> \n> -\tawbAlgo_ = std::make_unique();\n> +\tif (!tuningData.contains(\"algorithm\"))\n> +\t\tLOG(RkISP1Awb, Info) << \"No awb algorithm specified.\"\n> +\t\t\t\t << \" Default to grey world\";\n> +\n> +\tauto mode = tuningData[\"algorithm\"].get(\"grey\");\n> +\tif (mode == \"grey\") {\n> +\t\tawbAlgo_ = std::make_unique();\n> +\t} else if (mode == \"bayes\") {\n> +\t\tawbAlgo_ = std::make_unique();\n> +\t} else {\n> +\t\tLOG(RkISP1Awb, Error) << \"Unknown awb algorithm: \" << mode;\n> +\t\treturn -EINVAL;\n> +\t}\n> +\tLOG(RkISP1Awb, Debug) << \"Using awb algorithm: \" << mode;\n> +\n> \tint ret = awbAlgo_->init(tuningData);\n> \tif (ret) {\n> \t\tLOG(RkISP1Awb, Error) << \"Failed to init awb algorithm\";\n> \t\treturn ret;\n> \t}\n> \n> +\tconst auto &src = awbAlgo_->controls();\n> +\tcmap.insert(src.begin(), src.end());\n> +\n> \treturn 0;\n> }\n> \n> @@ -131,6 +161,8 @@ void Awb::queueRequest(IPAContext &context,\n> \t\t\t<< (*awbEnable ? \"Enabling\" : \"Disabling\") << \" AWB\";\n> \t}\n> \n> +\tawbAlgo_->handleControls(controls);\n> +\n> \tframeContext.awb.autoEnabled = awb.autoEnabled;\n> \n> \tif (awb.autoEnabled)\n> -- \n> 2.43.0\n>","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 CB78EC326C\n\tfor ;\n\tTue, 14 Jan 2025 03:06:23 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 24A90684E7;\n\tTue, 14 Jan 2025 04:06:23 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 50614603C1\n\tfor ;\n\tTue, 14 Jan 2025 04:06:21 +0100 (CET)","from pyrite.rasen.tech (unknown [173.16.167.215])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id BC3C8842;\n\tTue, 14 Jan 2025 04:05:23 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"swSUnGTM\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1736823924;\n\tbh=XhF0OgH59NvbWx63fUZESmMu+cc2HwqO0GadWEBHOK8=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=swSUnGTMmR14fi1mrTq1omZ8ExidpLg1NosAmFpA9YX/2yVlEFk4JDHAa9kryXn0k\n\tIyfAi2pWVSenYbXpV8xK6ktQmhH9QqQQk8VuEouJZTUmshpt6S0QwBKFWT0LvspXO9\n\tIBE28j/hJC/9ZJCQilrkTtD/0gyz4Cctl9zgP4AI=","Date":"Mon, 13 Jan 2025 21:05:46 -0600","From":"Paul Elder ","To":"Stefan Klug ","Cc":"libcamera-devel@lists.libcamera.org","Subject":"Re: [PATCH v1 10/11] ipa: rkisp1: Add support for bayes AWB\n\talgorithm from libipa","Message-ID":"","References":"<20250109115412.356768-1-stefan.klug@ideasonboard.com>\n\t<20250109115412.356768-11-stefan.klug@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"<20250109115412.356768-11-stefan.klug@ideasonboard.com>","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":33114,"web_url":"https://patchwork.libcamera.org/comment/33114/","msgid":"<77b513f6-7761-407f-a192-eb5833e49959@ideasonboard.com>","date":"2025-01-21T10:59:51","subject":"Re: [PATCH v1 10/11] ipa: rkisp1: Add support for bayes AWB\n\talgorithm from libipa","submitter":{"id":156,"url":"https://patchwork.libcamera.org/api/people/156/","name":"Dan Scally","email":"dan.scally@ideasonboard.com"},"content":"Hi Stefan\n\nOn 09/01/2025 11:54, Stefan Klug wrote:\n> Now that libipa contains a bayes AWB algorithm, add it as supported\n> algorithm to the rkisp1 ipa.\n>\n> The decision between the grey world algorithm and the bayesian is done\n> based on the \"algorithm\" property of the \"Awb\" algorithm in the tuning\n> file.\n>\n> Signed-off-by: Stefan Klug \n> ---\n>\n> Todo: The lux level is currently hardcoded to 1000. The result from the\n> lux estimation needs to be used here.\n> ---\n> src/ipa/rkisp1/algorithms/awb.cpp | 44 ++++++++++++++++++++++++++-----\n> 1 file changed, 38 insertions(+), 6 deletions(-)\n>\n> diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp\n> index 42a4784998bc..39a2c0589943 100644\n> --- a/src/ipa/rkisp1/algorithms/awb.cpp\n> +++ b/src/ipa/rkisp1/algorithms/awb.cpp\n> @@ -16,6 +16,7 @@\n> \n> #include \n> \n> +#include \"libipa/awb_bayes.h\"\n> #include \"libipa/awb_grey.h\"\n> #include \"libipa/colours.h\"\n> \n> @@ -45,13 +46,23 @@ class RkISP1AwbStats : public AwbStats\n> {\n> public:\n> \tRkISP1AwbStats(const RGB &rgbMeans)\n> -\t\t: rgbMeans_(rgbMeans) {}\n> +\t\t: rgbMeans_(rgbMeans)\n> +\t{\n> +\t\trg_ = rgbMeans_.r() / rgbMeans_.g();\n> +\t\tbg_ = rgbMeans_.b() / rgbMeans_.g();\n> +\t}\n> \n> -\tdouble computeColourError([[maybe_unused]] const RGB &gains) const override\n> +\tdouble computeColourError(const RGB &gains) const override\n> \t{\n> -\t\tLOG(RkISP1Awb, Error)\n> -\t\t\t<< \"RkISP1AwbStats::computeColourError is not implemented\";\n> -\t\treturn 0.0;\n> +\t\t/*\n> +\t\t* Compute the sum of the squared colour error (non-greyness) as it\n> +\t\t* appears in the log likelihood equation.\n> +\t\t*/\n> +\t\tdouble deltaR = gains.r() * rg_ - 1.0;\n> +\t\tdouble deltaB = gains.b() * bg_ - 1.0;\n> +\t\tdouble delta2 = deltaR * deltaR + deltaB * deltaB;\n> +\n> +\t\treturn delta2;\n> \t}\n> \n> \tRGB getRGBMeans() const override\n> @@ -61,6 +72,8 @@ public:\n> \n> private:\n> \tRGB rgbMeans_;\n> +\tdouble rg_;\n> +\tdouble bg_;\n> };\n> \n> Awb::Awb()\n> @@ -78,13 +91,30 @@ int Awb::init(IPAContext &context, const YamlObject &tuningData)\n> \t\t\t\t\t\t\t kMaxColourTemperature,\n> \t\t\t\t\t\t\t kDefaultColourTemperature);\n> \n> -\tawbAlgo_ = std::make_unique();\n> +\tif (!tuningData.contains(\"algorithm\"))\n> +\t\tLOG(RkISP1Awb, Info) << \"No awb algorithm specified.\"\n> +\t\t\t\t << \" Default to grey world\";\n> +\n> +\tauto mode = tuningData[\"algorithm\"].get(\"grey\");\n> +\tif (mode == \"grey\") {\n> +\t\tawbAlgo_ = std::make_unique();\n> +\t} else if (mode == \"bayes\") {\n> +\t\tawbAlgo_ = std::make_unique();\n> +\t} else {\n> +\t\tLOG(RkISP1Awb, Error) << \"Unknown awb algorithm: \" << mode;\n> +\t\treturn -EINVAL;\n> +\t}\n> +\tLOG(RkISP1Awb, Debug) << \"Using awb algorithm: \" << mode;\n\nMuch better than how I was expecting this to work:\n\n\nReviewed-by: Daniel Scally \n\n> +\n> \tint ret = awbAlgo_->init(tuningData);\n> \tif (ret) {\n> \t\tLOG(RkISP1Awb, Error) << \"Failed to init awb algorithm\";\n> \t\treturn ret;\n> \t}\n> \n> +\tconst auto &src = awbAlgo_->controls();\n> +\tcmap.insert(src.begin(), src.end());\n> +\n> \treturn 0;\n> }\n> \n> @@ -131,6 +161,8 @@ void Awb::queueRequest(IPAContext &context,\n> \t\t\t<< (*awbEnable ? \"Enabling\" : \"Disabling\") << \" AWB\";\n> \t}\n> \n> +\tawbAlgo_->handleControls(controls);\n> +\n> \tframeContext.awb.autoEnabled = awb.autoEnabled;\n> \n> \tif (awb.autoEnabled)","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 6D157BD160\n\tfor ;\n\tTue, 21 Jan 2025 10:59:57 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6BF9D68543;\n\tTue, 21 Jan 2025 11:59:56 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9FA1768516\n\tfor ;\n\tTue, 21 Jan 2025 11:59:54 +0100 (CET)","from [192.168.0.43]\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 80DBC788\n\tfor ;\n\tTue, 21 Jan 2025 11:58:52 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; 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