John Robertson

North Salt Lake, UT

john.jersdesk.com

Age: 43

I am a software developer. I am particularly fond of the areas:

  • artificial intelligence, computer vision & machine learning
  • high end graphics & image processing
  • games

As this profile is now posted across multiple sites:

I am a member of the Church of Jesus Christ of Latter-Day Saints, also known as a Mormon.
I am also a mathematician.
I quite like interesting games and enjoy playing them with those of my many wonderful children who are old enough. We will often edit what we might find to be sleazy in a game without altering the game play, which quite widens the range of games we can play while staying within what we consider to be gospel standards.

2d
awarded Notable Question
Apr
13
awarded Notable Question
Apr
1
comment Slow response rate and a low number of upvotes as compared to 2-3 years ago
Thanks for the clarification. Not offended, just stating what I took your meaning to be. Glad it was other than what I understood it to be.
Apr
1
comment Slow response rate and a low number of upvotes as compared to 2-3 years ago
Maybe not name calling as such, but I clarified my meaning when I said "I am, by your account a purely selfish entity that wanted to misuse the site in the first place."
Apr
1
comment Slow response rate and a low number of upvotes as compared to 2-3 years ago
Besides you are trying to invalidate an end users observation just by name calling. I am, by your account, a purely selfish entity and wanted to misuse the site in the first place. Honestly, it seems like the kind of reaction I feel represents the disconcerting changes in what the site is like now.
Apr
1
comment Slow response rate and a low number of upvotes as compared to 2-3 years ago
Actually they were useful to the person that asked them. Typically they were upvoted, but closed. So I really don't think it was just me.
Apr
1
answered Slow response rate and a low number of upvotes as compared to 2-3 years ago
Apr
1
awarded Supporter
Mar
30
comment Automatically limit playback volume only over headphones
By laptop speakers, I meant the ones built into the laptop. Sorry for the misunderstanding.
Mar
30
asked Automatically limit playback volume only over headphones
Mar
27
comment C# Multidimensional array arrangement in memory
@HansPassant How can Jagged arrays be faster to index into? One indexes into the "outer" array to get the location in memory of the "inner" array, which sounds cache inefficient (because you had to grab two distant locations in memory instead of one)? I am not trying to argue, just curious.
Mar
27
comment C# Multidimensional array arrangement in memory
Very nice answer Hans. Thanks for pointing that out.
Mar
27
asked C# Multidimensional array arrangement in memory
Mar
24
comment Another WinForms versus WPF Thread
It may be a long, long time before Stackoverflow is beaten out by something better. But whenever that happens I think the ridiculous closing policy will be a major impetus.
Mar
24
comment What is the best open source pure java computer vision library?
I don't know how you tested performance but something isn't adding up. I quite like Java and C#, but am all too familiar with some of their performance weak spots for data processing. Java and C# both have an inherent performance weakness in array parsing because every single array access has to be wrapped in a check on the array bounds in order to meet the guarantees of the language. For any tight loop on array data (such as an image) this overhead becomes quite significant.
Mar
24
comment What are the little coloured bits on my vertical scroll bar in Visual Studio 2010?
In mine (2013 Community) Red means error. Which I think is better than blue means error.
Mar
23
comment OpenCV FAST - too many features
Steering wheels don't have features that jump out as much as their overall outline does.
Mar
20
comment Check whether we are using Eclipse 32 bit version or 64 bit version
But how does one interpret that line?
Mar
20
awarded Curious
Mar
17
awarded Supporter
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