Statistica
RANK
785
of 300.369
REPUTAZIONE
100
CONTRIBUTI
0 Domande
36 Risposte
ACCETTAZIONE DELLE RISPOSTE
0.00%
VOTI RICEVUTI
20
RANK
310 of 20.936
REPUTAZIONE
4.942
VALUTAZIONE MEDIA
4.20
CONTRIBUTI
8 File
DOWNLOAD
10
ALL TIME DOWNLOAD
48610
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
0 Punti principali
NUMERO MEDIO DI LIKE
Feeds
This Images are effected by which noises?
That image looks like you are returning your image in the YCbCr color space but treating it as an RGB image. See http://www.math...
oltre 10 anni fa | 0
Trouble with videoinput and dcam device
You are using a Logitech camera which is a webcam. The |dcam| adaptor does not support webcams. If you are using the |videoinput...
quasi 11 anni fa | 1
| accettato
How do you access both camera sensors of the Bumblebee2 camera?
I haven't used the BumbleBee2, but the BumbleBee camera would return the data from both sensors as a single image. If each senso...
circa 11 anni fa | 0
| accettato
Why does MATLAB crash when I use the Image Acquisition Toolbox?
The first thing that I would check is that you are using the correct version of the Point Grey FlyCapture software. I believe th...
oltre 11 anni fa | 0
How can I adjust the contrast of a live video?
There isn't really a good way to get around this. What happens when you set the contrast while the preview is running is that th...
oltre 11 anni fa | 0
| accettato
Video Object wont get accepted
The second argument to the |getdata| command should be a single number, not a vector. You set the |FramesPerTrigger| property to...
oltre 11 anni fa | 1
| accettato
Can I use the Image Acquisition Toolbox to write to disk with two video sources and two output files at the same time?
If I understand your question properly, the problem doesn't seem to be with the disk logging, but with starting the acquisition....
quasi 12 anni fa | 0
How to increase image quality when taking images through Image Acquisition Toolbox beyond available options in Hardware Browser?
The Logitech c920 has a 2304x1536 pixel sensor, so this is the maximum video resolution available using that camera. The larger ...
oltre 12 anni fa | 0
What is the difference between videoinput and imaq.VideoDevice?
The object returned by |imaq.VideoDevice| is a <http://www.mathworks.com/discovery/stream-processing.html System Object> and is ...
oltre 12 anni fa | 2
| accettato
code for creating a realtime video and storing it at a fixed place using webcam
There is an <http://www.mathworks.com/help/imaq/examples/logging-data-to-disk.html example> in the doc that shows how to do this...
oltre 12 anni fa | 0
imwrite through step() to snapshot a video saves red images why?
It looks like you are using a YCbCr format of your camera. When you are previewing or writing to disk, the toolbox converts the ...
oltre 12 anni fa | 1
Simultaneous Video Display with continuous serial communication
The big problem that I see is in your startStopCamera_Callback function. You are continuously calling trigger and then getdata i...
oltre 12 anni fa | 0
| accettato
Disable "Warning: The ROIPosition property was modified by the device."
Although Image Acquisition Toolbox will allow you to specify arbitrary values for the ROIPosition property (within the allowed r...
oltre 12 anni fa | 1
| accettato
Performing Edge Detection using a Webcam using Image Acquistion and Computer Vision Toolboxes
A VideoDevice object never runs out of data to return since it can always capture another frame. Because of this, there is no is...
oltre 12 anni fa | 0
| accettato
How can I zoom into preview window while updating
You can change the ROI by setting the ROIPosition property. The IMAQTool GUI will allow you to do this interactively.
oltre 12 anni fa | 0
Image Acquisition Camera - High Speed - Fast Capture
Your question is a little vague, but I think that this <http://www.mathworks.com/help/imaq/examples/acquiring-a-single-image-in-...
oltre 12 anni fa | 0
Image Acquisition - preview is fast, snapshot is slow?
I think that this example might help with your issue: http://www.mathworks.com/help/imaq/examples/acquiring-a-single-image-in-a-...
quasi 13 anni fa | 1
Camera access problem in matlab
Image Acquisition Toolbox does not support these cameras and I can't find any indication that PPT Vision provides MATLAB support...
quasi 13 anni fa | 0
imaqtool + firewire camera (dcam driver) = strange artefact (see picture)
It looks like the Scout camera returns multi-byte data in little-endian format. This is somewhat common but the DCAM specificat...
quasi 13 anni fa | 2
Recently I use image acquistion toolbox, the image captured is very gloomy
You're trying to display an image in the YCbCr color space (that's what the I420 in your videoinput line means) with a function ...
quasi 13 anni fa | 0
| accettato
Accessing two identical Logitech Cameras simultaneously ... Matlab freezes (for a while)
I've seen similar issues in the past which were caused by the camera drivers. Probably the simplest thing to do is configure th...
quasi 13 anni fa | 1
| accettato
imaqregister won't register third party Image Acquisition Toolbox adaptors
You do not need to call IMAQREGISTER on adaptors that the toolbox provides by default. In R2011b, the toolbox shipped with su...
quasi 13 anni fa | 1
Image Acquisition Toolbox: using the 'memory' part of 'disk&memory' logging to just record timestamps
You can't do what you want directly, i.e. there is no mode that says just log the time stamps. I would probably use the FramesA...
oltre 13 anni fa | 0
Video frame selection
There are a number of ways to this that are roughly equivalent. By default the |GETDATA| command returns |N| frames where |N| i...
quasi 14 anni fa | 1
| accettato
No video adapters available
Bram, This is an issue that we've recently discovered with Ubuntu 11.04 that we're still investigating. For now, the easiest...
circa 14 anni fa | 1
Image Acquisition reducing CPU-Load
Looking at your code, the following items are likely to be using the bulk of the CPU time in your code: # Conversion from RGB...
oltre 14 anni fa | 0
Image acquisition, frame rgb2gray conversion
The rgb2gray function only works on a single image, but you are sending it an array of images. What is the format that you ul...
oltre 14 anni fa | 1
| accettato
Problem with image acquisition using a DV converter (Canopus ADVC-55)
The Image Acquisition Toolbox treats DV cameras as live acquisition cameras rather than as VCRs. Basically, whatever is being s...
oltre 14 anni fa | 0
imaqregister won't register 3rd party dll
There are a couple of reasons why imaqhwinfo won't load a registered adaptor DLL. The first is that the DLL is not actually loa...
oltre 14 anni fa | 0
taking input from two cameras at a same time in Matlab
In general working with two cameras is the same as working with a single camera. You create a |videoinput| object for each devi...
oltre 14 anni fa | 3
| accettato
