1. Analyzing Finger Print Types
Module
Analyzing Finger Print Types

2. Understanding Fingerprint Types

3. Fingerprint Classification
Fingerprints are basically of 4 types :
1. Loop – 45-48%
2. Arch – 7-8%
3. Whorl – 45%
4. Accidental – 1%

4. Sub-Type of Loop Sub-Type of Arch 1. Ulnar Loop 2. Radial Loop
3. Ulnar Falling Loop
4. Radial Falling Loop
Sub-Type of Arch
1. Simple Arch
2. Tented Arch
3. Tented Arch with Ulnar Loop
4. Tented Arch with Radial Loop

5. Sub-Type of Whorl 1. Target Centric Whorl 2. Spiral Whorl
3. Elongated Whorl – Target Centric
4. Elongated Whorl - Spiral
5. Double Loop Whorl
6. Composite Whorl
7. Imploding Whorl
8. Ulnar Peacock’s Eye
9. Radial Peacock’s Eye
10. Ulnar Spiral Peacock’s Eye
11. Radial Spiral Peacock’s Eye

6. Sub-Type of Accidental
2. Accidental Whrol

7. Finger Print Pattern Codes Identification

8. Core Delta Finger Print Type - ULNAR LOOP
Finger Print Code to be updated - L
To Learn !
1. Delta is “Y” Shape
Core
Delta
2. Core is the Center
We need to learn to identify Core and Delta for each fingerprint type so that we can use Auto Ridge Counting Software to prepare DMIT Report
Pattern of Ulnar Loop
If its Left Hand Scan
Pattern of Ulnar Loop
If its Right Hand Scan

9. Core Delta Finger Print Type - RADIAL LOOP
Finger Print Code to be updated - R
To Learn !
1. Delta is “Y” Shape
Core
Delta
2. Core is the Center
Pattern of Radial Loop
If its Left Hand Scan
Pattern of Radial Loop
If its Right Hand Scan

10. Pattern of Ulnar Falling Loop Pattern of Ulnar Falling Loop
Finger Print Type - ULNAR Falling LOOP
Finger Print Code to be updated – L1
To Learn !
Flow
1. Delta is “Y” Shape
2. Flow is of heart
shape
Pattern of Ulnar Falling Loop
If its Left Hand Scan
Pattern of Ulnar Falling Loop
If its Right Hand Scan

11. Pattern of Radial Falling Loop Pattern of Radial Falling Loop
Finger Print Type - RADIAL Falling LOOP
Finger Print Code to be updated – R1
Flow
To Learn !
1. Delta is “Y” Shape
2. Flow is of heart
shape
Pattern of Radial Falling Loop
If its Left Hand Scan
Pattern of Radial Falling Loop
If its Right Hand Scan

12. ULNAR & RADIAL LOOP 1. Left Hand’s Print & Flow is also in Left
Left - Left (Matching)
= Ulnar Loop
2. Right Hand’s Print & Flow is also in Right
Right - Right (Matching)
= Ulnar Loop
3. Left Hand’s Print & Flow is in Right
Left - Right(Not Matching)
= Radial Loop
4. Right Hand’s Print & Flow is in Left
Right - Left(Not Matching)
= Radial Loop

13. SIMPLE ARCH Finger Print Type - SIMPLE ARCH
Finger Print Code to be updated – X1
1. Delta – Generally, there is no delta in Arch
2. It has a flat curvature.
3. Ridges move from one end to other.
4. Arch will look like a water wave.
For any Arch, you only have to note down the
pattern code and the ridge count is always “Zero”
SIMPLE ARCH

14. TENTED ARCH Finger Print Type - TENTED ARCH
Finger Print Code to be updated – X2
1. Delta – Generally, there is no delta in Tented Arch
2. It has an elevated curvature .
3. Ridges start from one side, lift at the center and end at other side.
4. Tented Arch will look like a tent.
For any Arch, you only have to note down the
pattern code and the ridge count is always “Zero”
TENTED ARCH

15. Flow Delta Finger Print Type - ARCH with ULNAR LOOP
Finger Print Code to be updated – X3
Flow
Delta
1. This print will look like a Loop, with a DELTA & FLOW
2. But, the Ridge Count (no. of lines between Delta & Center)
will be less than 9
3. Left hand’s print & Flow is also in Left side – Ulnar Loop
Left Hand’s Print

16. Flow Delta Finger Print Type - ARCH with ULNAR LOOP
Finger Print Code to be updated – X3
Flow
Delta
1. This print will look like a Loop, with a DELTA & FLOW
2. But, the Ridge Count (no. of lines between Delta & Center)
will be less than 9
3. Right hand’s print & Flow is also in Right side – Ulnar Loop
Right Hand’s Print

17. Flow Delta Finger Print Type - ARCH with RADIAL LOOP
Finger Print Code to be updated – X4
Flow
1. This print will look like a Loop, with a DELTA & FLOW
Delta
2. But, the Ridge Count (no. of lines between Delta & Center)
will be less than 9
3. Left hand’s print & Flow is in Right side – Radial Loop
Left Hand’s Print

18. Flow Delta Finger Print Type - ARCH with RADIAL LOOP
Finger Print Code to be updated – X4
Flow
Delta
1. This print will look like a Loop, with a DELTA & FLOW
2. But, the Ridge Count (no. of lines between Delta & Center)
will be less than 9
3. Right hand’s print & Flow is in Left side – Radial Loop
Right Hand’s Print

19. ARCH with ULNAR & RADIAL
1. Left Hand’s Print & Flow is also in Left
Left - Left (Matching)
= Ulnar Loop Arch
2. Right Hand’s Print & Flow is also in Right
Right - Right (Matching)
= Ulnar Loop Arch
Left – Right (Not Matching)
= Radial Loop Arch
3. Left Hand’s Print & Flow is in Right
4. Right Hand’s Print & Flow is in Left
Right - Left (Not Matching)
= Radial Loop Arch

20. Centre Delta Delta Finger Print Type - TARGET CENTRIC WHROL
Finger Print Code to be updated – W1
1. Circular lines, round & round shape with 2 Delta
Centre
2. Target centric whorl will have 2 Delta, 1 on left & 1 on right
Delta
3. Centre - It has an independent center, like a dot, a small line or a circle, like a “Dart Game”
4. Ridges move around the centre of the print in a circular
manner
Delta

21. Centre Delta Delta Finger Print Type - SPIRAL WHROL
Finger Print Code to be updated – W2
1. Delta is like “Y” shape, ridge (lines) come from 1 direction and at 1 point they are split.
Centre
Delta
2. Centre - It has a connected center, attached with next ridge
3. Ridges start from centre of the print in a circular manner
4. Spiral whorl will have 2 Delta & 1 centre
Delta

22. Centre Delta Delta Finger Print Type - ELONGATED WHORL
(TARGET/ SPIRAL)
Finger Print Code to be updated – For Core if it's Target - W3 and for Spiral - W4
1. Delta is like “Y” shape, ridge (lines) come from 1 direction and at 1 point they are split.
Centre
2. Elongated Whorl is a stretched form of Target Centric or Spiral Whorl
3. Ridges are around the centre in a stretched form.
Delta
4. It can be spiral or target centric having 2 Delta & 1 Centre
5. If Center is target centric code to be W1 and if Center is of Spiral Type as in example image code to be W2
Delta

23. Centres Delta Delta Finger Print Type - DOUBLE LOOP (S Family)
Finger Print Code to be updated – W5
Centres
1. Its name is Double Loop but it’s not Loop, it’s Whorl. It’s called double loop because it’s formed by combination of 2 loops.
2. Centre- This whorl has 2 centre points
Delta
3. Ridges start from both centre & move in opposite direction.
4. It has 2 Delta
Delta
5. It is “S” shape in center.
DOUBLE LOOP WHORL

24. Centres Delta Delta Finger Print Type - IMPLODING WHORL(S Family)
Finger Print Code to be updated – W6
Centres
1. Delta is like “Y” shape, ridge (lines) come from 1 direction and at 1 point they are split.
2. Centre- This whorl has 2 centre points
Delta
3. Ridges start from both centre & move in opposite direction.
4. It has 2 Delta , & 2 Centre
5. It is “S” shape in center, pressed towards the center
Delta

25. Centres Delta Delta Finger Print Type - COMPOSITE WHORL (S Family)
Finger Print Code to be updated – W7
Centres
1. Delta is like “Y” shape, ridge (lines) come from 1 direction and at 1 point they are split.
2. Centre- This whorl has 2 centre points
Delta
3. Ridges start from both centre & move in opposite direction.
4. It has 2 Delta , & 2 Centre
5. It is “S” shape in center but small in size
Delta

26. Assume it’s Left Hand’s Print
Finger Print Type - PEACOCK EYE – ULNAR Target Centric
Finger Print Code to be updated – W8
Delta
Centre
1. 1 Delta will be at its place & Second delta will be close to center
2. It will form a peacock’s feather shape from center.
3. If its Left hand’s print & Flow towards Left print type is Ulnar Peacock’s eye.
Assume it’s Left Hand’s Print

27. Assume it’s Left Hand’s Print
Finger Print Type - PEACOCK EYE – Spiral ULNAR
Finger Print Code to be updated – W9
Delta
Centre
Find out which hand’s print is this ?
2. 1 Delta will be at its place & Second delta will be close to center
3. It will form a peacock’s feather shape from center.
4. The centre will be joined
5. Left hand’s print & Flow towards Left
Spiral Ulnar Peacock’s eye.
6. Right hand’s print & Flow is also on right side Spiral Ulnar Peacock’s eye
Assume it’s Left Hand’s Print

28. Assume it’s Left Hand’s Print
Finger Print Type - PEACOCK EYE – Radial Target Centric
Finger Print Code to be updated – W10
Centre
1. 1 Delta will be at its place & Second delta will be close to center
2. It will form a peacock’s feather shape from center.
3. If its Left hand’s print & Flow towards Right print type
is Radial Peacock’s eye.
4. If its Right hand’s print & Flow is on left side Radial Peacock’s eye
Delta
Assume it’s Left Hand’s Print

29. Assume it’s Left Hand’s Print
Finger Print Type - PEACOCK EYE – Spiral Radial
Finger Print Code to be updated – W11
Find out which hand’s print is this ?
Delta
Centre
2. 1 Delta will be at its place & Second delta will be close to center
3. It will form a peacock’s feather shape from center.
4. The centre will be joined
5. Left hand’s print & Flow towards Right
- Spiral Radial Peacock’s eye.
6. Right hand’s print & Flow is on Left side- Spiral Radial Peacock’s eye
Assume it’s Left Hand’s Print

30. Sub-Type of Accidental
2. Accidental Whrol
Finger Print Code –
Code to be updated based on most dominant finger print type which is visible, in below example its Loop so code would be - L
Finger Print Code – W
Accidental
(A fingerprint which is represent many fingerprints)
Accidental Whrol
(A fingerprint which is mis-formation of Whrol)

31. Coding System for preparing report
Finger Print Type
Finger Print Code
Target Centric W1
Spiral W2
Elongated Target Centric W3
Elongated Spiral W4
Double Loop W5
Imploding W6
Composite W7
Target Centric Ulnar Peacock's Eye W8
Spiral Ulnar Peacock's Eye W9
Target Centric Radial Peacock's Eye
W10
Spiral RadialPeacock's Eye
W11
Ulnar Loop L
Radial Loop R
Ulnar Falling Loop L1
Radial Falling Loop R1
Simple Arch X1
Tented Arch X2
Tented Arch with Ulnar Loop X3
Tented Arch with Radial Loop X4
Accidental Whorl W
Accidental
Code of most dominant print type

32. Thank You and All the Best !