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How virtual textures work

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Re: How virtual textures work

#21

Post by monocasa »

groundzeros2015 wrote: post #19
JayGuerette wrote: post #5

A good portion of the world and Lenna herself have asked that image be retired.

“Good portion of the world” is probably a handful of people. Her full quote btw: “Once upon a time, I was the centerfold of Playboy,” says the former model in the new documentary Losing Lena. “But I retired from modeling a long time ago. It’s time I retired from tech, too.”

Well, for instance, it's the official policy of the IEEE to not allow this image in new publications. And they're far from the only journal (or set of journals) that have this policy.

Re: How virtual textures work

#23

Post by groundzeros2015 »

monocasa wrote: post #21
groundzeros2015 wrote: post #19

Earlier quoted context omitted.

“Good portion of the world” is probably a handful of people. Her full quote btw: “Once upon a time, I was the centerfold of Playboy,” says the former model in the new documentary Losing Lena. “But I retired from modeling a long time ago. It’s time I retired from tech, too.”

Well, for instance, it's the official policy of the IEEE to not allow this image in new publications. And they're far from the only journal (or set of journals) that have this policy.

Of course. Most people don’t care and a few vocal ones do.

Re: How virtual textures work

#25

Post by monocasa »

groundzeros2015 wrote: post #23
monocasa wrote: post #21

Earlier quoted context omitted.

Well, for instance, it's the official policy of the IEEE to not allow this image in new publications. And they're far from the only journal (or set of journals) that have this policy.

Of course. Most people don’t care and a few vocal ones do.

As in most organizations that would know about it and come into contact with it.

Re: How virtual textures work

#27

Post by groundzeros2015 »

monocasa wrote: post #25
groundzeros2015 wrote: post #23

Earlier quoted context omitted.

Of course. Most people don’t care and a few vocal ones do.

As in most organizations that would know about it and come into contact with it.

I think my comment is true of the graphics programming/research community.

Re: How virtual textures work

#28

Post by TGower »

_ache_ wrote: post #17
DiggyJohnson wrote: post #6

Earlier quoted context omitted.

Who is Lenna?

A copyrighted image of a nude model elected for no obvious reason has a test image in the University of South California by some pervs and then used in a lot of papers as a test image. Or, a standard cropped image of a playgirl used in the field of image processing.

"elected for no obvious reason" isn't quite right, as a test image for computer graphics it has regions of very high frequency detail and regions of very low frequency detail which make it easier to spot various compression artifacts, and it makes a good study for edge detection, with both very clear edges along the outline, but more subjective edges in the feathering.

Re: How virtual textures work

#29

Post by _ache_ »

TGower wrote: post #28
_ache_ wrote: post #17

Earlier quoted context omitted.

A copyrighted image of a nude model elected for no obvious reason has a test image in the University of South California by some pervs and then used in a lot of papers as a test image. Or, a standard cropped image of a playgirl used in the field of image processing.

"elected for no obvious reason" isn't quite right, as a test image for computer graphics it has regions of very high frequency detail and regions of very low frequency detail which make it easier to spot various compression artifacts, and it makes a good study for edge detection, with both very clear edges along the outline, but more subjective edges in the feathering.

It's redish. Ok it has a blur and details on the foreground but could have been any image with blurred background and a face.

"very low frequency detail", we are talking about a 512x512 picture here, it has low and high frequency details (FFT speaking) like most photos.

"Good for edges detection" doesn't mean anything. Like, is the image good for edge detection or the algorithm is good at detecting edges ? What does "subjective edges" even mean ? Does it mean hard to spot ?

That looks like technical reasons but it just noise. They literally grab a playboy magazine and decided it was well enough (and indeed, it wasn't that bad, yes). Still not professional. The message is "We have playboy magazines at work and we are proud of it".

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