Все вопросы: [webcam]

78 вопросов

похожие теги: jquery-webcam-plugin
12
голосов
3ответов
18795 просмотров

Как программно отключить автофокус веб-камеры?

Я пытаюсь сделать компьютерное зрение с помощью веб-камеры (модель - Hercules Dualpix).Я знаю, что это не идеальная камера, но у меня нет выбора. Проблема в том, что автофокус затрудняет / делает невозможным калибровку камеры.Кто-нибудь знает способ отключить функцию автофокуса.Или, если у ког...

0
голосов
1ответов
479 просмотров

Отрегулировать уровень качества SOSample для red5?

Есть ли способ настроить уровень качества, при котором программа RED5 SOSample записывает поток с веб-камеры?Я только что установил его на удаленный сервер, и он записывает ужасное качество.

10
голосов
6ответов
41151 просмотров

Как мне записать видео с веб-камеры в MATLAB?

Я хотел бы знать, как я могу записать видео в MATLAB с моей веб-камерой.

1
голосов
2ответов
685 просмотров

Как узнать, подключена ли к системе веб-камера

Я хочу знать, есть ли к системе подключенная веб-камера.Как мне продолжить?Я хочу сделать это на языке java.

20
голосов
2ответов
28117 просмотров

Драйвер виртуальной веб-камеры

Я хочу разработать драйвер виртуальной веб-камеры, который из пользовательского режима я передаю ему изображение, и оно будет отображаться как вывод веб-камеры. Я не хочу использовать фильтр DirectX и CSourceStream и т. д. Потому что они не работают с некоторыми программами, которые не исполь...

1
голосов
2ответов
1286 просмотров

c # элементы управления веб-камерой?

Я хочу поставить камеру на мою лабораторию в процессе создания и транслировать ее на веб-сайт. Как я могу сделать это, используя только C #?Как получить поток видео и отправить его в прямом эфире на серверный ПК, откуда он может мгновенно делать фотографии?

2
голосов
1ответов
1141 просмотров

Delphi 2007 and Logitech Webcam Driver

A while ago I had this issue with Delphi 2007 unable to run and debug apps while the logitech webcam driver runs. Apparently the Logitech Driver inserts a stub into every process running, thereby messing up the debugger's offset. It's been a year and a bit - is this still an issue? Has Logitech...

2
голосов
3ответов
2794 просмотров

java:web cam application

I am looking to do develop the following application. How to proceed? Scan the system for installed webcams and their supported video modes. Let the user select a cam and a video mode. Displays a video of the camera. Starts a frame grabber/processor, it doesn't have to do nothing for now. I wan...

0
голосов
3ответов
64 просмотров

I need to develop a project involving hardware which should also work the same on Windows as well as Macs. Whats the way forward?

Whats the best approach (read painless) that I could take? Primarily, the application needs to record the webcam video + mic recording on the disk and compress the video using ffmpeg (or something similar). So there is hardware involved + running a separate process for encoding. I was seriously...

0
голосов
1ответов
419 просмотров

How to minimize form from a click on a webbrowser control

I've got a winform with a webbrowser control. The URL is a web page containing a java applet showing my web cam. What I'd like to do is minimize the form when I click anywhere in the region of the webbrowser control / webcam image. I tried messing around with transparent buttons but could not get...

15
голосов
3ответов
35258 просмотров

Take picture using webcam from command line

I have a Logitech webcam (QuickCam Pro for Notebooks), and I'd like to take a snapshot using the cam from a command line. Does it have any command line interface? If not, is there an API that will allow me to build a command line tool like this?

2
голосов
3ответов
1265 просмотров

Flash camera access without security question

Is it possible to access a machines web camera with Flash without needing the users permission? The project I plan on using Flash in will not be web based and run in a standard flash projector or in a swfStudio projector.

3
голосов
1ответов
6075 просмотров

Close webcam usage via actionscript

Is there way, how to close webcam connection in actionscript. I am opening stream through Camera.getCamera(). Problem is, that after freeing webcam instance (i tried many ways) LIGHT on webcam is still beam (tried on macbook pro).

0
голосов
1ответов
17914 просмотров

Access webcam and microphone input in VB.net

How can you access the webcam and microphone in VB.net, assuming the user even has one? I fail to see a My.Computer.Webcam or My.Computer.Microphone, both of which would probably have been a nice addition. Thanks for the help! If there is no easy method for doing this, what is the name of the d...

2
голосов
1ответов
1229 просмотров

How do I detect if a user has selected the "Accept" button in the Flash webcam security dialog?

In the combo Silverlight/Flex UI that I'm working on, I sometimes need to make the SWF/Flash object hosting the user's webcam smaller than 214x137. But if I make the flash object that small before the user has selected "Accept" in the webcam dialog box, Flash won't allow the user to click on the...

11
голосов
3ответов
17106 просмотров

Displaying WebCam video with Qt

I'm using Qt 4.5 (2009.03) on Linux Gnome (Ubuntu 9.04) and would like to display video captured by my webcam in a Phonon::VideoWidget of my Qt application. I have a first implementation using the v4l2 API where I do the YUV2 to RGB conversion and fill a QImage my self. It works well but it is ...

0
голосов
2ответов
1985 просмотров

working with webcam asp.net c#

Possible Duplicate: How to capture image from client webcam in asp.net Hi i want to capture a video using asp.net c# webapplication. How can i do it? (Just like recording video in facebook) Can you have any examples plz help me. I've gone through google but nothing is suitable for me

0
голосов
1ответов
543 просмотров

How to display the output of a webcam on a webpage?

I want to develop a live chat application. To this end I need both audio and video control on my website. Does anyone have any idea how to achieve this?

-1
голосов
1ответов
2727 просмотров

"capture image from webcam" Again

I want to capture image from webcam using c#, asp.net web application. Can somebody provide me a sample code to do this?

1
голосов
1ответов
2005 просмотров

Detect webcam hardware with flash

Is it possible to detect the specific webcam hardware that a person is using to stream through flash? Assuming that the user has accepted the webcam security questions and is successfully streaming to a FMS server; Can some code we written so that I can tell if the user is using a lifecam vs anot...

46
голосов
7ответов
43702 просмотров

What's the status of the HTML 5 <video> tag and webcam integration?</video>

Even though it seems to be in some kind of jeopardy, the open video standard is a great idea. I saw some demos on motion tracking with it - just proofs-of-concept, but interesting nonetheless. Now, I'd say that concepts like these would really be a gain, if there would be access to the user's web...

7
голосов
3ответов
16115 просмотров

FMJ Webcam capture example

I've been searching for while now and I can't find a simple example of how to capture a webcam stream with FMJ. Are there any tutorials or examples available which could help me?

0
голосов
5ответов
3862 просмотров

How to know a video source (webcam) is available or not without creating capture window?

It is quite tricky because I wanna to take the result as a sign for later process. If a window flashes, it would be weird to user.

1
голосов
1ответов
2449 просмотров

Capturing webcam stream under linux

I'm trying to get images from a minoru3d webcam, which is actually two Vimicro webcams plus a USB hub in a single package. The problem is, opencv always takes streams in maximum resolution, making simultaneous capture from two webcams impossible(due to usb constraints). How do I set resolution or...

22
голосов
6ответов
52783 просмотров

webcam access in c++

I want to access the webcam so I can do some precessing on the images, like tracking a light, but I can't find a way to access the webcam. I googled it but I got confused. Can you point me to a library that can do that (windows)? and maybe also provide an example? I would need to periodically g...

2
голосов
3ответов
3585 просмотров

Webcam Aspect Ratios

For the purpose of my testing, I am using a Logitech Quickcam 9000 which records in a 4:3 resolution (640x480, 320x240, etc). I am using a custom flash app to relay from the webcam to Wowza media server (then to our users). When I record in the app and playback at 240x180, everything looks grea...

1
голосов
2ответов
8112 просмотров

Multiple webcam capture in one avi with c# (windows forms)

I need to find a way how to make one video file from 2 or more webcam in C# (windows app). I tried to use the google for finding some samples, but no success. I found a way how to record a video from the webcam (with directshowNet, directx I can save two avi with two webcam...) more about direct...

0
голосов
3ответов
6425 просмотров

Looking for a webcam recording widget

This may not exist, but if I was hoping someone was aware of a product (doesn't have to be free) that would allow you to embed a widget on a site where the user could create videos using their webcam. Then you would be able to get those videos via API. Like youtube's record from webcam feature ...

0
голосов
1ответов
1011 просмотров

how to take a snap shot from webcam with a flash interface on website?

How to write/implement a program which takes images(any format png,jpg) from webcam and save it as images? I need to implement that in webapplication, with Flash spport? is there any tutorial for how to build an application like this.

3
голосов
3ответов
1362 просмотров

Is it possible to use a shader to find the "difference" between two textures? (XNA/HLSL)

I have made a simple webcam based application that detects the "edges of motion" so draws a texture that shows where the pixels of the current frame are significantly different to the previous frame. This is my code: // LastTexture is a Texture2D of the previous frame. // CurrentTexture is a Te...