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Lake.jpg.txt
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Lake.jpg.txt
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JPEGsnoop 1.8.0 by Calvin Hass
http://www.impulseadventure.com/photo/
-------------------------------------
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Codes of length 01 bits (000 total):
Codes of length 02 bits (002 total): 01 02
Codes of length 03 bits (001 total): 03
Codes of length 04 bits (003 total): 00 04 11
Codes of length 05 bits (003 total): 12 21 31
Codes of length 06 bits (002 total): 05 41
Codes of length 07 bits (003 total): 13 22 51
Codes of length 08 bits (006 total): 32 61 71 81 91 A1
Codes of length 09 bits (005 total): 06 14 23 42 B1
Codes of length 10 bits (002 total): 52 C1
Codes of length 11 bits (004 total): 15 33 62 D1
Codes of length 12 bits (004 total): 07 72 E1 F1
Codes of length 13 bits (005 total): 16 24 43 82 F0
Codes of length 14 bits (003 total): 34 92 A2
Codes of length 15 bits (000 total):
Codes of length 16 bits (011 total): 53 63 C2 25 73 B2 D2 26 54 93 E2
Total number of codes: 054
----
Destination ID = 1
Class = 1 (AC Table)
Codes of length 01 bits (001 total): 00
Codes of length 02 bits (001 total): 01
Codes of length 03 bits (001 total): 11
Codes of length 04 bits (001 total): 02
Codes of length 05 bits (000 total):
Codes of length 06 bits (002 total): 12 21
Codes of length 07 bits (002 total): 03 31
Codes of length 08 bits (003 total): 13 41 51
Codes of length 09 bits (001 total): 61
Codes of length 10 bits (000 total):
Codes of length 11 bits (002 total): 04 71
Codes of length 12 bits (003 total): 14 22 81
Codes of length 13 bits (001 total): 32
Codes of length 14 bits (001 total): 42
Codes of length 15 bits (001 total): 91
Codes of length 16 bits (000 total):
Total number of codes: 020
*** Marker: SOS (Start of Scan) (xFFDA) ***
OFFSET: 0x00007C3C
Scan header length = 12
Number of img components = 3
Component[1]: selector=0x00, table=0(DC),0(AC)
Component[2]: selector=0x01, table=1(DC),1(AC)
Component[3]: selector=0x02, table=1(DC),1(AC)
Spectral selection = 0 .. 63
Successive approximation = 0x00
*** Decoding SCAN Data ***
OFFSET: 0x00007C4A
Scan Decode Mode: No IDCT (DC only)
NOTE: Low-resolution DC component shown. Can decode full-res with [Options->Scan Segment->Full IDCT]
Scan Data encountered marker 0xFFD9 @ 0x00032604.0
Compression stats:
Compression Ratio: 18.77:1
Bits per pixel: 1.28:1
Huffman code histogram stats:
Huffman Table: (Dest ID: 0, Class: DC)
# codes of length 01 bits: 0 ( 0%)
# codes of length 02 bits: 8237 ( 48%)
# codes of length 03 bits: 7451 ( 44%)
# codes of length 04 bits: 930 ( 5%)
# codes of length 05 bits: 300 ( 2%)
# codes of length 06 bits: 197 ( 1%)
# codes of length 07 bits: 5 ( 0%)
# codes of length 08 bits: 0 ( 0%)
# codes of length 09 bits: 0 ( 0%)
# codes of length 10 bits: 0 ( 0%)
# codes of length 11 bits: 0 ( 0%)
# codes of length 12 bits: 0 ( 0%)
# codes of length 13 bits: 0 ( 0%)
# codes of length 14 bits: 0 ( 0%)
# codes of length 15 bits: 0 ( 0%)
# codes of length 16 bits: 0 ( 0%)
Huffman Table: (Dest ID: 1, Class: DC)
# codes of length 01 bits: 16681 ( 49%)
# codes of length 02 bits: 10125 ( 30%)
# codes of length 03 bits: 5138 ( 15%)
# codes of length 04 bits: 1825 ( 5%)
# codes of length 05 bits: 432 ( 1%)
# codes of length 06 bits: 39 ( 0%)
# codes of length 07 bits: 0 ( 0%)
# codes of length 08 bits: 0 ( 0%)
# codes of length 09 bits: 0 ( 0%)
# codes of length 10 bits: 0 ( 0%)
# codes of length 11 bits: 0 ( 0%)
# codes of length 12 bits: 0 ( 0%)
# codes of length 13 bits: 0 ( 0%)
# codes of length 14 bits: 0 ( 0%)
# codes of length 15 bits: 0 ( 0%)
# codes of length 16 bits: 0 ( 0%)
Huffman Table: (Dest ID: 0, Class: AC)
# codes of length 01 bits: 0 ( 0%)
# codes of length 02 bits: 104267 ( 49%)
# codes of length 03 bits: 23564 ( 11%)
# codes of length 04 bits: 44372 ( 21%)
# codes of length 05 bits: 19037 ( 9%)
# codes of length 06 bits: 5565 ( 3%)
# codes of length 07 bits: 5437 ( 3%)
# codes of length 08 bits: 5066 ( 2%)
# codes of length 09 bits: 2163 ( 1%)
# codes of length 10 bits: 491 ( 0%)
# codes of length 11 bits: 407 ( 0%)
# codes of length 12 bits: 211 ( 0%)
# codes of length 13 bits: 115 ( 0%)
# codes of length 14 bits: 36 ( 0%)
# codes of length 15 bits: 0 ( 0%)
# codes of length 16 bits: 26 ( 0%)
Huffman Table: (Dest ID: 1, Class: AC)
# codes of length 01 bits: 34240 ( 51%)
# codes of length 02 bits: 15658 ( 24%)
# codes of length 03 bits: 7424 ( 11%)
# codes of length 04 bits: 3865 ( 6%)
# codes of length 05 bits: 0 ( 0%)
# codes of length 06 bits: 3125 ( 5%)
# codes of length 07 bits: 1208 ( 2%)
# codes of length 08 bits: 744 ( 1%)
# codes of length 09 bits: 113 ( 0%)
# codes of length 10 bits: 0 ( 0%)
# codes of length 11 bits: 60 ( 0%)
# codes of length 12 bits: 60 ( 0%)
# codes of length 13 bits: 9 ( 0%)
# codes of length 14 bits: 4 ( 0%)
# codes of length 15 bits: 1 ( 0%)
# codes of length 16 bits: 0 ( 0%)
YCC clipping in DC:
Y component: [<0= 0] [>255= 0]
Cb component: [<0= 0] [>255= 0]
Cr component: [<0= 0] [>255= 0]
RGB clipping in DC:
R component: [<0= 0] [>255= 0]
G component: [<0= 0] [>255= 0]
B component: [<0= 0] [>255= 0]
Average Pixel Luminance (Y):
Y=[122] (range: 0..255)
Brightest Pixel Search:
YCC=[ 714, -42, 42] RGB=[224,215,206] @ MCU[113, 24]
Finished Decoding SCAN Data
Number of RESTART markers decoded: 106
Next position in scan buffer: Offset 0x00032604.0
*** Marker: EOI (End of Image) (xFFD9) ***
OFFSET: 0x00032604
*** Embedded JPEG Thumbnail ***
Offset: 0x00000340
Length: 0x0000255C (9564)
* Embedded Thumb Marker: SOI
* Embedded Thumb Marker: DQT
Length = 132
----
Precision=8 bits
Destination ID=0 (Luminance, typically)
DQT, Row #0: 6 4 4 6 9 11 12 16
DQT, Row #1: 4 5 5 6 8 10 12 12
DQT, Row #2: 4 5 5 6 10 12 12 12
DQT, Row #3: 6 6 6 11 12 12 12 12
DQT, Row #4: 9 8 10 12 12 12 12 12
DQT, Row #5: 11 10 12 12 12 12 12 12
DQT, Row #6: 12 12 12 12 12 12 12 12
DQT, Row #7: 16 12 12 12 12 12 12 12
----
Precision=8 bits
Destination ID=1 (Chrominance, typically)
DQT, Row #0: 7 7 13 24 20 20 17 17
DQT, Row #1: 7 12 16 14 14 12 12 12
DQT, Row #2: 13 16 14 14 12 12 12 12
DQT, Row #3: 24 14 14 12 12 12 12 12
DQT, Row #4: 20 14 12 12 12 12 12 12
DQT, Row #5: 20 12 12 12 12 12 12 12
DQT, Row #6: 17 12 12 12 12 12 12 12
DQT, Row #7: 17 12 12 12 12 12 12 12
* Embedded Thumb Marker: DRI
Length = 4
* Embedded Thumb Marker: APP14
Length = 14
* Embedded Thumb Marker: SOF
Frame header length = 17
Precision = 8
Number of Lines = 171
Samples per Line = 256
Image Size = 256 x 171
* Embedded Thumb Marker: DHT
Length = 148
* Embedded Thumb Marker: SOS
Skipping scan data
Skipped 9212 bytes
* Embedded Thumb Marker: EOI
* Embedded Thumb Signature: 01180AF3DE63318828A86409EF4013DD
*** Searching Compression Signatures ***
Signature: 01180AF3DE63318828A86409EF4013DD
Signature (Rotated): 01180AF3DE63318828A86409EF4013DD
File Offset: 0 bytes
Chroma subsampling: 1x1
EXIF Make/Model: OK [Canon] [Canon EOS DIGITAL REBEL XSi]
EXIF Makernotes: NONE
EXIF Software: OK [Adobe Photoshop Camera Raw 9.8 (Windows)]
Searching Compression Signatures: (3347 built-in, 0 user(*) )
EXIF.Make / Software EXIF.Model Quality Subsamp Match?
------------------------- ----------------------------------- ---------------- --------------
SW :[Adobe Photoshop ] [Save As 08 ]
NOTE: EXIF Software field recognized as from editor
Based on the analysis of compression characteristics and EXIF metadata:
ASSESSMENT: Class 1 - Image is processed/edited
Appears to be new signature for known software.
If the camera/software doesn't appear in list above,
PLEASE ADD TO DATABASE with [Tools->Add Camera to DB]