Another duplicate image finder

A

Anonymous

Onno Voors wrote on 4/1/2006 :
http://foxie.griffox.info/visipics/

Has anyone tried it? How does it compare to Dupdetector or Uniquefiler
(nagware)?

Hi Onno,

I did not know about Visipics nor did I ever use it until I saw your
posting here in the NG. I have never tried Uniquefiler. I have always
used DupDetector in the past. You're gonna see the phrase "in my
opinion" several times because I'm just a computer-user and not a
professional software tester. I don't have any diplomas on my wall that
say "I'm right and everyone should listen to me." about my software
comparisons.

I used these two programs to compare a folder containing a small number
of images (approx. 70) and a folder containing a large number of images
(approx. 8500) and the following is what I felt (in my opinion) was
relevant to the mission of evaluating these two freeware applications.

Visipics has a "donate screen" that pops up when the application
starts. In my opinion, that popup really bothers me only because
DupDetector does the same job but without the plea-screen at each
launch.

DupDetector has a non-intuitive tabbed interface that (in my opinion)
hides controls, options, and commands from the user. You have to work
with DupDetector's tabbed interface for a while before you achieve a
degree of experience that will allow you to use the program as an asset
that will save time. In the case of a small number of files, achieving
this degree of experience is not cost effective because a photographer
can scan the images with his or her own eyes and pick out the
duplicates in a shorter amount of time than it would take to get
accustomed to DupDetector's controls. Visipics has all of the controls
on one screen, you can see where you are and what you're doing at a
glance, and the program can be an immediate time and cost-saving asset
with a shorter and smaller learning curve than DupDetector.

In my opinion, it is always better to have ALL of the controls, tools
and options on the screen and available "right now" to the user.
Searching for controls or trying to remember which tab they are located
in is NOT cost nor time effective. But that is more in the realm of
ergonomics or interface design than actually comparing these two
freeware products.

In my opinion, DupDetector compares images by creating a database and
then comparing the contents of that database. This two-pass system
(create, then compare) is great for an extended coffee-break but it is
really a pain if there is a customer on the phone and answers are
needed quickly. DupDetector does a good job and it works very well, but
it works slowly on folders with large numbers of images because of that
two pass system. The advantage is that DupDetector KEEPS the database
for future use. Visipics seems to use a different process of comparison
that uses only one pass. This is NOT to say that Visipics does the same
job in only half of the time. Vispics appears to be faster, but
Visipics still requires a reasonable amount of time to compare a large
number of files and I don't believe that Visipics keeps a database for
future use.

I could be completely wrong about this comparison-system too---both
programs could be using exactly the same two-pass system. The
difference is that DupDetector is honest and up-front and tells you
what it is doing and Visipics might be performing one of the
proceedures in the background and making you think that there is only
one-pass going on here. I still think that Visipics is faster than
DupDetector though...although I didn't use a stopwatch to time the two
programs as they did their work. I just recall thinking "WOW! That was
sigificantly quicker..." when I used Visipics to compare the same
number of files that DupDetector had just finished.

Both programs offer similar features that are logically affiliated with
the job of comparing files, but Visipics seems to offer more (but
esoteric) features that still remain in the genre of comparing files.
(In other words, Visipics has more bells and whistles but you may never
need them.) DupDetector's method of screening duplicates is controlled
by a percentage scale, which the user can easily relate to. Visipic's
method is a sliding scale that doesn't seem to be as precise as
percentage range. In my opinion, DupDetector's percentage system is
more precise than Visipic's sliding scale, especially when you're
comparing several thousand images.

Verdict:
* If you're consistently comparing small numbers (10's or 100's) of
images, and if you're not comparing the same folders repeatedly, then
use Visipics. And let me say for the record that I really DON'T like
that nag-screen that pops up each time Vispics is launched...
* If you're comparing large numbers of files (1000's or multiple
1000's) and you may need to compare those files repeatedly, then use
DupDetector.

But that's just my opinion. Remember that back in the late 1970's, the
opinion of the movie critics was that Star Wars was awful and would
never do well in the box office...

Recommendation: Load both programs using Total Uninstall (from
http://digilander.libero.it/molearchive3/tun235.zip), and use both of
them for about a month. Choose which one you like best and use Total
Uninstall to remove the other.
 
O

Onno Voors

(extensive review snipped)
Visipics has a "donate screen" that pops up when the application
starts.

That makes it nagware, just like Uniquefiler.
Thanks a lot for your review!I'll stick with Uniquefiler.
 

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