[video-codec] Perceptual Vector Quantization (PVQ) demo

Jean-Marc Valin <jmvalin@jmvalin.ca> Tue, 18 November 2014 22:46 UTC

Return-Path: <jmvalin@jmvalin.ca>
X-Original-To: video-codec@ietfa.amsl.com
Delivered-To: video-codec@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9A1A31AC3BE for <video-codec@ietfa.amsl.com>; Tue, 18 Nov 2014 14:46:03 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.278
X-Spam-Level:
X-Spam-Status: No, score=-3.278 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_MISMATCH_ORG=0.611, HOST_MISMATCH_COM=0.311, RCVD_IN_DNSWL_MED=-2.3] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZFQ70aCoI7Zo for <video-codec@ietfa.amsl.com>; Tue, 18 Nov 2014 14:45:58 -0800 (PST)
Received: from smtp.mozilla.org (mx1.corp.phx1.mozilla.com [63.245.216.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E34141AC3C0 for <video-codec@ietf.org>; Tue, 18 Nov 2014 14:45:58 -0800 (PST)
Received: from panoramix.jmvalin.ca (modemcable167.97-201-24.mc.videotron.ca [24.201.97.167]) (Authenticated sender: jvalin@mozilla.com) by mx1.mail.corp.phx1.mozilla.com (Postfix) with ESMTPSA id 0FC01F22BF for <video-codec@ietf.org>; Tue, 18 Nov 2014 14:45:57 -0800 (PST)
Message-ID: <546BCC25.10001@jmvalin.ca>
Date: Tue, 18 Nov 2014 17:45:57 -0500
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1
MIME-Version: 1.0
To: video-codec@ietf.org
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Archived-At: http://mailarchive.ietf.org/arch/msg/video-codec/HJ5RzEtcyb8DFe8AxKOSguwxa94
Subject: [video-codec] Perceptual Vector Quantization (PVQ) demo
X-BeenThere: video-codec@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Video codec BoF discussion list <video-codec.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/video-codec>, <mailto:video-codec-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/video-codec/>
List-Post: <mailto:video-codec@ietf.org>
List-Help: <mailto:video-codec-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/video-codec>, <mailto:video-codec-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 18 Nov 2014 22:46:03 -0000

Hi,

Just thought this would be of interest to some people here. I just
published a demo of how PVQ works:
https://people.xiph.org/~jm/daala/pvq_demo/
This is the same topic covered in this draft:
https://tools.ietf.org/html/draft-valin-videocodec-pvq-01
but with fewer equations and more non-ascii-art figures.

Cheers,

        Jean-Marc