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28th March 2017

Stephen Meschke

# vision research, 1 minutes

Making a cascade circular:

https://youtu.be/S-955wQ7FGw

Total practice time: 1 minutes

Location: Linux

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17th March 2017

Stephen Meschke

# vision research, 1 minutes

Found this: https://en.wikipedia.org/wiki/Two-streams_hypothesis#Two_visual_systems

The two-streams theory says that there is an identification stream and a motion stream.

One visual stream goes to the Ventral System. This is the system that identifies the object. The Ventral System works slowly and identifies the object in greater resolution. When the Ventral System is active, the head is moving and the object is fixed.

The other visual stream goes to the Dorsal System. This system identifies motion. The Dorsal system works quickly and stores information for only milliseconds. When the Dorsal System is active, the head is fixed and the object(s) are moving.

Consider examples:

You are hungry and you come across some wild berries. You have to examine the wild berries and access whether they are edible. System used: Ventral System.

You are resting in the forest, and you see a spider descend from a tree. You need to move so that the spider doesn't land on you. System used: Dorsal System.

My experiences with juggling support the two-streams theory.

Total practice time: 1 minutes

Location: Linux

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14th March 2017

Stephen Meschke

# vision research, 1 minutes

progress on tracking program using stereo cameras:

https://youtu.be/ZvqqKx7sb5Q

Does anyone here know math?

I can't figure out how the length of the line in the video relates to the distance the ball is from the cameras.

Total practice time: 1 minutes

Location: Linux

Comments (1)

7th March 2017

Stephen Meschke

# 7 balls, 5 clubs, 1 minutes

ran 7b for 120+ catches, ran 5c for 120+catches

# vision research, 1 minutes

Lots of computer vision researchers base their concepts on biological systems.

I decided to make a video that helps explain how I see for juggling:

https://youtu.be/GQiKjZaoMwU

Lot's of it doesn't make sense, but it works. I am having some problems with object tracking.

Total practice time: 2 minutes

Locations: Gym, Linux

Comments (1)

28th February 2017

Stephen Meschke

# vision research, 1 minutes

This video talks about human stereo vision: https://youtu.be/gGRPHfQhawI

It's from a course in computer vision.

The point of the video is that binocular vision relies on a low level process that directly fuses the two images.

Applied to juggling; this means that a ball that is far away is determined to be far away because in the fused image from both eyes it appears as a single ball. A ball that is nearer the eyes appears near because in the fused image two overlapping (occluded) circles are seen.

In most, if not all aspects, the capabilities of computer vision on desktop computers is greater than that of human vision. With the exception of determining depth from stereo vision.

Computer vision sucks at finding depth. Human vision is great at determining which objects are near and far.

playlist: https://youtu.be/gGRPHfQhawI?list=PLAwxTw4SYaPnbDacyrK_kB_RUkuxQBlCm

Total practice time: 1 minutes

Location: Linux

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25th February 2017

Stephen Meschke

# 5-6 balls, 3-5 Clubs, 90 minutes

Last night I dreamed that I was juggling outside and one of my balls rolled into a lake when I dropped it. In the dream I dove in after the ball. I am ill with a head-cold and had taken some cough medicine. That always makes my dreams vivid.

Even though I was feeling quite sick, today was an unusually nice day for February, so I decided to go to the park to juggle outside in the sun.

I had a minor bike crash on the way to the park, but was able to recover without hitting the ground.

Juggling was smooth though. None of the balls rolled into the lake.

I started with 5 balls. To warmup I juggled a 5 ball cascade a different heights. Once I was warm, I did some siteswaps and ran my short 5 ball routine several times. Switching to 6 balls, I hit the async to sync (and back) transition 17 out of 20 times. Felt good.

Next was clubs. 3 clubs was terrible. I don't really do three clubs very often. 4 clubs went well. I have juggled outside around 400 times, and I am always amazed by how much people are impressed by 4c async/sync transition. I had some really good runs of 5 clubs. Mostly, I ran 5 clubs to collect because there were lots of people watching. I don't think that I have ever had that many people watch me before.

Total practice time: 90 minutes

Location: Outside!

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4th February 2017

Stephen Meschke

# 5 balls, 1 minutes

I was juggling in a basketball gym. There were five people shooting baskets.

Juggling was good. Single rounds of 744 were going smoothly. One high throw, and then two low throws; and then back into a five ball cascade.

Then a mistake. A high throw was inaccurate, too far out of reach to be caught. I could see it sailing behind me, out of sight. Continuing to juggle was impossible. I collected four balls, anticipating the sound of the fifth ball hitting the floor behind me.

There was no thud. The ball never hit the ground. The milliseconds dilated into seconds as I turned around confused.

I turned to face a basketball player who was walking off the court. He had caught the ball and tossed it back to me.

Total practice time: 1 minutes

Location: Full Court Gym

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30th November 2016

Stephen Meschke

# 7 balls, 4 clubs, 60 minutes

About general physical condition:

Haven't been feeling well. Doing lots of juggling keeps me in really great shape. Since November 23rd, I have had swelling in my throat and fatigue. Feeling so bad, on Monday morning (November 28) I called the doctor's office, and scheduled an appointment for Tuesday at 3PM (November 29).

I haven't seen a doctor in many years, so I had to establish a relationship with a new doctor. He listened to my concerns and a short story about my recent dental work. After looking at my throat, he concluded it was likely a minor viral infection. If symptoms worsen, he said I should call him for an antibiotic.

I paid $174 cash to settle the entire bill, no insurance was used. My billing code was, "new patient III."

Feeling better today, I did a light juggling session.

About today's juggling:

Have not juggled since the 23rd.

Everything felt better than I remembered. Jumprope was perfect.
My 3 ball routine felt great.
Ran my 5b routine drop free on the first try.
I ran 7b. for about 60 catches on my fourth attempt.
Some 4c fountain.


3 ball routine:

  • Mill's Mess
  • Fake Machine
  • 1-up 360
  • Overheads
  • One handed reverse cascade


    5 ball routine:
  • (6x,4)*
  • 1-up 4-up
  • Multiplex trick, don't have siteswap. Similar to a Gattoplex.
  • Half-Shower
  • 3-up 360

Total practice time: 60 minutes

Location: Gym

Comments (0)

26th November 2016

Stephen Meschke

# balance spinner, 1 minutes

Working on the write for my spinning balance trainer: http://goodyearsww.com/balance.html

When I finish, I will post it to this thread: http://jugglingedge.com/smalltalk.php?ThreadID=2268

Total practice time: 1 minutes

Location: Linux

Comments (0)

18th November 2016

Stephen Meschke

# balance spinner, 1 minutes

https://youtu.be/niTw6lRfUYM (skip to 00: 18).

Going to get more bearings today. Will also make a bearing cage.

Runs smooth enough to use as is.

Total practice time: 1 minutes

Location: shop

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