APAS and Peak

There is no comparison between the APAS system and the Peak System. It is known all around the world that the APAS is superior to the Peak System. More Functions, more stability, State of the Art, and the latest technology. The APAS system was the first and still the best. The Originators of the Peak System used the work of Dr. Gideon Ariel the inventor of the first commercial biomechanical system from 1968. While working for Dr. Ariel at the Colorado Spring Olympic Training Center they copied his system. Dr. Ariel established the Training Center in the 80's. Dr. Ariel established the Olympic Training Center in 1975 and serve as the Chairman of Biomechanics for the USOC from 1975 to 1984. The Peak originators copied Dr. Ariel Programs while working with him in the USOC Center and establish the Peak company.

From then on, the APAS and the Peak are competitors with definite superiority to the APAS system. When you compare prices, one must be insane to purchase the Peak System.

Check here for detail

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Hello Youngsoo Lee,

Thank you for your interest in the Ariel Performance Analysis System (APAS). Since the APAS and Peak systems are both video based, you should be able to use most of the video equipment with the APAS. I will provide answers below each of your questions. I have also attached a price list for your review.

Please do not hesitate to contact us for any additional information.

Sincerely,

John Probe

Ariel Dynamics, Inc.

Email: ARIEL1@ix.netcom.com

----- Original Message -----

From: "Youngsoo Lee" <leey@wam.umd.edu>

To: <ariel1@ix.netcom.com>

Sent: Tuesday, April 03, 2001 6:46 PM

Subject: APAS Price Quote

> Dear Sir or Madam:
>
> I've been asked to get price quote of APAS system.
> Here are the list of the PEAK system we have and some questions we want to
> know. We wanted to know if we should purchase whole APAS system (or we
> could use some of PEAK equipment with APAS system).

> Could you email me back ASAP?
>

ADI: You should be able to use the video equipment with the APAS, however, I would recommend using a new computer for the APAS software. The "Peak" computer could be used as an additional APAS workstation. With the purchase of the "main" APAS system, each user had the option of purchasing additional APAS workstations for $500 per computer. This is often useful in the University environment because it allows each student to have their own APAS and data analysis and collection does not tie-up the single system.

> ------------------
> First of all, I like to let you know what we have here:
> * Full PEAK System with;
> 1. Three 60/120 Hz PEAK Cameras
> 2. Three PEAK SVHS VCR with Shuttle-Jog Capacity
> 3. Time Code Generator (Horita RM50 Audio-Track Encoding)
> 4. PEAK Compater / Frame Grabber (PAL st.)
> 5. Sony Trinitron RGB Monitor and VCR
>
> Secondly, For APAS 2000 there are several questions.
> 1. What is needed? For Analog or Digital?
> - Could we use any of the current PEAK equipment with APAS?

ADI: The APAS system uses Microsoft compatible AVI or Digital Video files for digitizing. You would require the appropriate hardware for your specific cameras. For example, analog video cameras (VHS, SVHS, 8MM etc) would require an analog frame grabber. Currently, we are using High Speed digital Video camcorders with Digital Video frame grabber. As long as the video can be captured to AVI or raw DV formats, the APAS can digitize and analyze the images.

> 2. How sensitive is APAS 2000 to lighting, contrast, marker size, etc for
> digitizing?

ADI: The APAS supports both semi-automatic and automatic digitizing modes. Automatic digitizing requires markers with a high contrast to the immediate background. As with any system, the lighting, contrast marker size etc all influence the efficiency of marker detection.

> 3. Is automatic tracking available? (sure 'yes' but for APAS 2000, how?)

ADI: Yes, every APAS system includes the support for automatic digitizing. The APAS works best with high contrasting markers. These markers can be either dark or light compared to the immediate background.

> 4. What file format is used for data output?
> - Can ASCII files be exported of raw coordinates for analysis/plotting
> in programs like EXCEL or MATLAB?
>

ADI: The APAS stores data in binary format. These formats are posted on the internet for any users that may want to adapt their own data to APAS format. The exact address for the APAS file formats is:

/APAShelp/DOS/adw-56w.html

Additionally, all data obtained using the APAS can be easily exported to either ASCII or worksheet format for custom analysis. This is performed using an clickable "export" command in the APAS software modules.

> 5. 3D available?
>

ADI: Of course! Every APAS includes support for both 2D and 3D analysis. Selling only a 2D system is simply a marketing tool to have the customer purchase a low-priced 2D system, only to be charged much more to upgrade to 3D. Other options included with all APAS systems include automatic digitizing and support for panning cameras.

> -----------------
>
> Thank you so much.
>
> Sincerely,
>                  __    _ o
> Youngsoo Lee          ____   _ \<. _
>               _______   (_)/ (_)
> -----------------------------------------------------------------
> Ph.D Student   Biomechanics    "http://www.wam.umd.edu/~leey"
> Cognitive Motor Behavior Lab    (O) 301-405-2572
> Kinesiology   U Maryland     "yl67@umail.umd.edu"
> -----------------------------------------------------------------
> "Anyone who has never made a mistake has never tried anything new."
>        - A. Einstein
>