From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sylwester Nawrocki Subject: Re: [RFC PATCH v1 0/7] media&omap4: introduce face detection(FD) driver Date: Fri, 02 Dec 2011 11:28:56 +0100 Message-ID: <4ED8A868.4020005@gmail.com> References: <1322817178-8931-1-git-send-email-ming.lei@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1322817178-8931-1-git-send-email-ming.lei@canonical.com> Sender: linux-kernel-owner@vger.kernel.org To: Ming Lei Cc: Mauro Carvalho Chehab , Tony Lindgren , Greg KH , Alan Cox , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media List-Id: linux-omap@vger.kernel.org Hi Ming, On 12/02/2011 10:12 AM, Ming Lei wrote: > Hi, > > These v1 patches(against -next tree) introduce v4l2 based face > detection(FD) device driver, and enable FD hardware[1] on omap4 SoC.. > The idea of implementing it on v4l2 is from from Alan Cox, Sylwester > and Greg-Kh. > > For verification purpose, I write one user space utility[2] to > test the module and driver, follows its basic functions: > > - detect faces in input grayscal picture(PGM raw, 320 by 240) > - detect faces in input y8 format video stream > - plot a rectangle to mark the detected faces, and save it as > another same format picture or video stream > > Looks the performance of the module is not bad, see some detection > results on the link[3][4]. > > Face detection can be used to implement some interesting applications > (camera, face unlock, baby monitor, ...). > > TODO: > - implement FD setting interfaces with v4l2 controls or > ext controls > > thanks, > -- > Ming Lei > > [1], Ch9 of OMAP4 Technical Reference Manual > [2], http://kernel.ubuntu.com/git?p=ming/fdif.git;a=shortlog;h=refs/heads/v4l2-fdif > [3], http://kernel.ubuntu.com/~ming/dev/fdif/output > [4], All pictures are taken from http://www.google.com/imghp > and converted to pnm from jpeg format, only for test purpose. > Could you please resend this series to Linux Media mailing list (linux-media@vger.kernel.org) ? It touches V4L core code and I'm sure other v4l2 developers will have some comments on it. I'll try to review it on the weekend. -- Thanks, Sylwester