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Latent Print Comparison Practice Exercise - Set 1 contains 170 latent prints which vary in difficulty and design. The comparison exercises start at a beginner trainee examiner level (Exercise 100) and end with more a difficult and challenging comparison for the trainee examiner (exercise 104).

SET ONE CONTAINS THESE COMPARISON EXERCISES:

Comparison Exercise 100 is meant as a true beginning exercise. It contains 30 latent prints made from small portions of known prints. These latent prints become progressively smaller and each contains a good anchor point for searching.

Comparison Exercise 101 consists of 50 latent prints developed with various processing methods. The latent prints contain significant orientation clues. Some of the latent prints contain a small amount of distortion, but they are suitable for trainees in the earlier stages of training.

Comparison Exercise 102 consists of a 40 latent prints. This exercise also contains latent prints from tips, joints and sides and has a focus on the use of Complete Friction Ridge Exemplars (Major Case Prints).

Comparison Exercise 103 is more difficult than the preceding exercises and several of the latent prints may require some digital enhancements. This exercise is useful in evaluating how well the trainee works with distorted, lower minutia count, and latents requiring minor image enhancements. There are 20 latent prints in this exercise.

Comparison Exercise 104 contains 30 latent prints and many of those are difficult.
These six comparison exercises contain approximately 185 latent prints. These exercises are not necessarily listed in order of difficulty, but can be used during the training process when deemed appropriate by the agency or trainer.

LATENT PRINT COMPARISON PRACTICE EXERCISES - SET 2 CONTAINS:

Comparison Exercise 205 contains 25 latent fingerprints and 4 sets of known fingerprints. This exercise contains latent prints with good focal points for use early in the training process.

Comparison Exercise 206 contains 25 latent prints and 4 sets of known fingerprints. This exercise contains a number of tips and joints identifiable from tenprint cards.

Comparison Exercise 207 contains 25 latent fingerprints and 6 sets of known fingerprints. This exercise contains smaller latent prints with fewer focal points.

Comparison Exercise 208 contains 30 latent finger and palm prints and 5 sets of known finger and palm prints. This exercise contains several prints with clarity issues.

Comparison Exercise 209 contains 40 latent finger and palm prints, 6 sets of known fingerprints and 4 sets of known palm prints. This exercise contains many non-id latent prints to help develop confidence in exclusion decisions. The latent prints are more difficult and contain some distortion issues.

Comparison Exercise 210 contains 40 latent fingerprints and 5 sets of known fingerprints. This exercise contains smaller latent prints with a lower number of level 2 details.
The first exercise (Comparison Exercise 100) is meant as a true beginning exercise.  It contains 30 latent prints made from small portions of known prints.  These latent prints become progressively smaller and each contains a good anchor point for searching.
The second exercise (Comparison Exercise 101) consists of 50 latent prints developed with various processing methods.  The latent prints contain significant orientation clues.  Some of the latent prints do contain a small amount of distortion, but they are suitable for trainees in the earlier stages of training.
The third exercise (Comparison Exercise 102) consists of a 40 latent prints.  This exercise also contains latent prints from tips, joints and sides and has a focus on the use of Complete Friction Ridge Exemplars (Major Case Prints).
The fourth exercise (Comparison Exercise 103) is more difficult than the preceding exercises and several of the latent prints may require some digital enhancements.  This exercise is useful in evaluating how well the trainee works with distorted, lower minutia count, and latents requiring minor image enhancements.  There are 20 latent prints in this exercise.
The fifth exercise (Comparison Exercise 104) contains 30 latent prints and many of those are difficult.
Comparison Exercise 205 contains 25 latent fingerprints and 4 sets of known fingerprints.  This exercise contains latent prints with good focal points for use early in the training process.
Comparison Exercise 206  contains 25 latent prints and 6 sets of known fingerprints.  This exercise contains a number of tips and joints identifiable from tenprint cards.
Comparison Exercise 207 contains 25 latent fingerprints and 4 sets of known fingerprints.  This exercise contains smaller latent prints with fewer focal points.
Comparison Exercise 208  contains 30 latent finger and palm prints and 5 sets of known finger and palm prints.  This exercise contains several prints with clarity issues.
Comparison Exercise 209 contains 40 latent finger and palm prints, 6 sets of known fingerprints and 4 sets of known palm prints. This exercise contains many non-id latent prints to help develop confidence in exclusion decisions.  The latent prints are more difficult and contain some distortion issues.
Comparison Exercise 210 contains 40 latent fingerprints and 5 sets of known fingerprints.  This exercise contains smaller latent prints with a lower number of level 2 details.
   
 
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