From patchwork Wed Jul 3 14:16:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Klug X-Patchwork-Id: 20518 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id C0048BEFBE for ; Wed, 3 Jul 2024 14:17:46 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 7DB5E63339; Wed, 3 Jul 2024 16:17:46 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="kxTlf01I"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 9BF826333B for ; Wed, 3 Jul 2024 16:17:43 +0200 (CEST) Received: from ideasonboard.com (unknown [IPv6:2a00:6020:448c:6c00:9263:c199:9587:576]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 5F50B4CA; Wed, 3 Jul 2024 16:17:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1720016235; bh=5fXRCD14xWuqf3/uVumQEH9XBl0Wg7gzKSUIW7HYpiA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kxTlf01Ix3NMMaJWLEykeq9YptLoxyUodUy35pXGZjka41CppFZobv3dpx6OUrUGY FhJmYJrTyrWBbT80RAIj5CYDlip2I6AfyS9SkAI0zuduMoJSdae5cZDT+Lsyn3MJWe vy3hnKC32VIsUkIuEEW7x8pplmU/RntBJkl2xf24= From: Stefan Klug To: libcamera-devel@lists.libcamera.org Cc: Stefan Klug , Laurent Pinchart Subject: [PATCH v3 04/23] libtuning: Copy visualize_macbeth_chart from raspberry pi Date: Wed, 3 Jul 2024 16:16:53 +0200 Message-ID: <20240703141726.252368-5-stefan.klug@ideasonboard.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240703141726.252368-1-stefan.klug@ideasonboard.com> References: <20240703141726.252368-1-stefan.klug@ideasonboard.com> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Copy visualize_macbeth_chart from raspberry pi. It is copied verbatim and does not work in this state. Signed-off-by: Stefan Klug Reviewed-by: Laurent Pinchart Acked-by: Paul Elder --- utils/tuning/libtuning/utils.py | 43 +++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/utils/tuning/libtuning/utils.py b/utils/tuning/libtuning/utils.py index 1e8128ea0571..f099c0ed685c 100644 --- a/utils/tuning/libtuning/utils.py +++ b/utils/tuning/libtuning/utils.py @@ -123,3 +123,46 @@ def load_images(input_dir: str, config: dict, load_nonlsc: bool, load_lsc: bool) return None return images + + + +""" +Some code that will save virtual macbeth charts that show the difference between optimised matrices and non optimised matrices + +The function creates an image that is 1550 by 1050 pixels wide, and fills it with patches which are 200x200 pixels in size +Each patch contains the ideal color, the color from the original matrix, and the color from the final matrix +_________________ +| | +| Ideal Color | +|_______________| +| Old | new | +| Color | Color | +|_______|_______| + +Nice way of showing how the optimisation helps change the colors and the color matricies +""" +def visualise_macbeth_chart(macbeth_rgb, original_rgb, new_rgb, output_filename): + image = np.zeros((1050, 1550, 3), dtype=np.uint8) + colorindex = -1 + for y in range(6): + for x in range(4): # Creates 6 x 4 grid of macbeth chart + colorindex += 1 + xlocation = 50 + 250 * x # Means there is 50px of black gap between each square, more like the real macbeth chart. + ylocation = 50 + 250 * y + for g in range(200): + for i in range(100): + image[xlocation + i, ylocation + g] = macbeth_rgb[colorindex] + xlocation = 150 + 250 * x + ylocation = 50 + 250 * y + for i in range(100): + for g in range(100): + image[xlocation + i, ylocation + g] = original_rgb[colorindex] # Smaller squares below to compare the old colors with the new ones + xlocation = 150 + 250 * x + ylocation = 150 + 250 * y + for i in range(100): + for g in range(100): + image[xlocation + i, ylocation + g] = new_rgb[colorindex] + + img = Image.fromarray(image, 'RGB') + img.save(str(output_filename) + 'Generated Macbeth Chart.png') +