{"id":22786,"url":"https://patchwork.libcamera.org/api/1.1/covers/22786/?format=json","web_url":"https://patchwork.libcamera.org/cover/22786/","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":"<20250217100203.297894-1-stefan.klug@ideasonboard.com>","date":"2025-02-17T10:01:41","name":"[00/10] Some rkisp1 awb improvements","submitter":{"id":184,"url":"https://patchwork.libcamera.org/api/1.1/people/184/?format=json","name":"Stefan Klug","email":"stefan.klug@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/cover/22786/mbox/","series":[{"id":5005,"url":"https://patchwork.libcamera.org/api/1.1/series/5005/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5005","date":"2025-02-17T10:01:41","name":"Some rkisp1 awb improvements","version":1,"mbox":"https://patchwork.libcamera.org/series/5005/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/22786/comments/","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 611FEC327D\n\tfor ;\n\tMon, 17 Feb 2025 10:02:12 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id CB86968663;\n\tMon, 17 Feb 2025 11:02:10 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9DAEA61861\n\tfor ;\n\tMon, 17 Feb 2025 11:02:08 +0100 (CET)","from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:b47f:e20a:c4c7:ece1])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0A1CC842;\n\tMon, 17 Feb 2025 11:00:47 +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=\"RuQoPPMx\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1739786447;\n\tbh=AEwgTQ1phUWZvwoaEQmmGQ+aDygngV9x4kJv+WIvUVg=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=RuQoPPMxApick2eNAIj/8ejtcv00CwmbfwigugGXv0cBZGGY8XXAwDCJcVlxbtN6G\n\tRdifs5VzRunLLyj37mlWTVF95XsFulaILvoll1T16dqJ8FzrEgdpNtFMLNqhiRH+96\n\tie36T/HaD4G7wnPnvsfMGoCXJ7P/LOq8vc/DhR5A=","From":"Stefan Klug ","To":"libcamera-devel@lists.libcamera.org","Cc":"Stefan Klug ","Subject":"[PATCH 00/10] Some rkisp1 awb improvements","Date":"Mon, 17 Feb 2025 11:01:41 +0100","Message-ID":"<20250217100203.297894-1-stefan.klug@ideasonboard.com>","X-Mailer":"git-send-email 2.43.0","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","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\" "},"content":"Hi all,\n\nThis series contains a few fixes that greatly improve and stabilize the\nAWB handling on rkisp1.\n\nPatches 1-3 add utility functions to Vector and Matrix.\n\nThe rest fixes some bugs and generally improves the AWB on rkisp1.\nPlease see the individual patches for details.\n\nBest regards,\nStefan\n\nStefan Klug (10):\n libcamera: matrix: Add cast function\n libcamera: vector: Add cast function\n libcamera: matrix: Add inverse() function\n ipa: rkisp1: Refactor automatic/manual structure in IPAActiveState\n ipa: rkisp: ccm/lsc: Fix CCM/LSC based on manual color temperature\n ipa: rkisp1: awb: Use gains from color temperature curve\n ipa: rkisp1: Damp color temperature regulation\n ipa: rkisp: awb: Set rgb mean limits to 180\n ipa: rkisp1: awb: Take the CCM into account for the AWB gains\n calculation\n ipa: rkisp1: awb: Avoid division by zero\n\n include/libcamera/internal/matrix.h | 35 ++++++++++++++++\n include/libcamera/internal/vector.h | 9 +++++\n src/ipa/rkisp1/algorithms/awb.cpp | 62 ++++++++++++++++++-----------\n src/ipa/rkisp1/algorithms/ccm.cpp | 2 +-\n src/ipa/rkisp1/algorithms/lsc.cpp | 6 +--\n src/ipa/rkisp1/ipa_context.h | 12 ++++--\n src/libcamera/matrix.cpp | 20 ++++++++++\n src/libcamera/vector.cpp | 10 +++++\n 8 files changed, 124 insertions(+), 32 deletions(-)"}