a way to determine the pixcel count of the CCD?

Cees Mutsaers

Cees Mutsaers

Veteran
I know from digital photography that their exists software (forgot the name) to detect/determine if there are dead/white pixels in the image chip (CMOS). The software even pinpoints down the exact coordinates of the faulty pixel. Would it be possible with this type of software to determine the pixel count of the CCD. I don't want to stirr up the discussion of the pixel count again since that has been discussed over and over again but I am just curious if in principle it would be possible??

Did anyone who owns a HVX already checked somehow if there are faulty pixels? Probably the chances are less that there are any since the pixels are larger than for instance the pixcels of the Sony Z1 or Canon h1. What abot the LCD screen is it sensitive to dead pixels since it is a touch screen???
 
It's not a touch screen.

I've seen/used probably at least a half-dozen, if not a dozen HVX's, and haven't seen a dead pixel on any of 'em. Doesn't mean there won't be some in the future, but I haven't seen one yet.
 
I understood that you could select shots as thumbnails on the screen of the LCD to play it back or delete it. If not how do you select it. Is there a kind of joy stick???

Comming back on my initial question regarding the pixel count determination of the ccd, is it possible that way?


Barry_Green said:
It's not a touch screen.

I've seen/used probably at least a half-dozen, if not a dozen HVX's, and haven't seen a dead pixel on any of 'em. Doesn't mean there won't be some in the future, but I haven't seen one yet.
Click to expand...
 
Btw, can you take still pictures (even better without compression) to SD card?
Just for easier analysis...
 
Barry_Green said:
You select the thumbnails by using buttons on the top of the camera (up/down/left/right/select). No touchscreen.
Click to expand...


I used the HVX yesterday for a little while and found that I could only use the left/right buttons to navigate the thumbnail menu. Once you get the hang of it it's pretty quick, but it was a bit annoying to have to scroll through all the clips, as opposed to using the up/down buttons to scroll past entire rows.


Did I miss something?
 
No you missed nothing -- for thumbnails it's left/right, but the pad itself is left/right/up/down for menu navigating etc. Should have been clearer.

You know the page +/- buttons work too, for skipping ahead a whole page, right?
 
Luis Caffesse said:
I used the HVX yesterday for a little while and found that I could only use the left/right buttons to navigate the thumbnail menu. Once you get the hang of it it's pretty quick, but it was a bit annoying to have to scroll through all the clips, as opposed to using the up/down buttons to scroll past entire rows.


Did I miss something?
Click to expand...


Luis, where did you use an HVX? tell me, i'm in town and want to get my hands on this camera.
 
Aside from simply knowing the information; why does it matter what the pixel count is on the HVX CCD's ?

Does it matter? Who really cares? Is it just for the sake of knowing or does it serve some intrinsic value?
 
john : just curious in a technical point of view how they achieved such astonishing footage with apperantly a lower pixel count CCD than the competition.
 
Masking dead pixels?

Masking dead pixels?

Barry_Green said:
I've seen/used probably at least a half-dozen, if not a dozen HVX's, and haven't seen a dead pixel on any of 'em. Doesn't mean there won't be some in the future, but I haven't seen one yet.
Click to expand...

Barry - aren't dead pixels only a mater of time on any CCD camera, regardless of brand?

If so, is there a way to mask them on the HVX (assuming that it happens) w/o sending it in to a dealer?

Good to hear there have been none reported though (unlike the JVC100)....
John
 
Barry_Green said:
You know the page +/- buttons work too, for skipping ahead a whole page, right?
Click to expand...

No, I didn't realize that.
Good to know!
:thumbsup:


JUSTIN:

Mike Curtis at HDforIndies got hold of an HVX for a couple of days (thanks to the guys at Omega Broadcasting). Mike is more of a post guy than a shooter, so he asked me to come check it out and give him my two cents on it. He's got a few other people lined up to check it out. I was thrilled to be able to play around with it - but it was only a few hours last night. So, the shooting and testing was limited to Mike's living room essentially...which isn't necessarily well lit. Most of my feedback was about the ergonomics and efficiency of the camera itself - since I wasn't really in a position to critically judge the image.

You can read what I wrote up for his site here if you're interested.
Just a bit about my first impressions of the camera.
 
Thanks Luis. I've been wanting to stop by Omega for awhile now. Seems like a pretty legit place to get video equipment from. I'm reading now.
 
Cees Mutsaers said:
john : just curious in a technical point of view how they achieved such astonishing footage with apperantly a lower pixel count CCD than the competition.
Click to expand...
But we don't know that it's "apparently lower" -- people are guessing that it's lower, but for all we know it could be higher than the others too. Or the same. Hasn't been announced yet.

Obviously it seems reasonable to guess that it's lower, but until it's announced we don't really know that.
 
jdv said:
Barry - aren't dead pixels only a mater of time on any CCD camera, regardless of brand?
Click to expand...
Don't know. My DVX is three years old, not a sign of a dead pixel on it. I can only really remember running into one dead pixel on an SD camera that I used in regular use, a Sony DSR500. Other than that they haven't been an issue on anything I've owned except the HD100.

With the HVX or any high-def camera, obviously you're talking about a lot more pixels, which would seem to say that the chance of one going bad would be higher. But it's early in the game. I don't think I've heard too many complaints of dead pixels on FX1's or Z1's, and they've been around for approximately a year. If there's a problem on those, I don't think I've heard about it.

If so, is there a way to mask them on the HVX (assuming that it happens) w/o sending it in to a dealer?
Click to expand...
Don't know. I would presume that there will be a pixel-masking routine in the firmware somewhere, but I don't know if it'll be end-user accessible.
 
You must log in or register to reply here.
Back
Top