JPEGsnoop 1.4.2 by Calvin Hass http://www.impulseadventure.com/photo/ ------------------------------------- Filename: [C:\Users\Mick\Desktop\JPEGsnoop_v1_4_2\P1000587.JPG] Filesize: [349696] Bytes Start Offset: 0x00000000 *** Marker: SOI (xFFD8) *** OFFSET: 0x00000000 *** Marker: APP1 (xFFE1) *** OFFSET: 0x00000002 length = 30206 Identifier = [Exif] Identifier TIFF = 0x[49492A00 08000000] Endian = Intel (little) TAG Mark x002A = 0x002A EXIF IFD0 @ Absolute 0x00000014 Dir Length = 0x000D [Make ] = "Panasonic" [Model ] = "DMC-GH1" [Orientation ] = Row 0: top, Col 0: left [XResolution ] = 180/1 [YResolution ] = 180/1 [ResolutionUnit ] = Inch [Software ] = "Ver.1.3 " [DateTime ] = "2010:06:12 15:43:35" [YCbCrPositioning ] = Co-sited [ExifOffset ] = @ 0x027A Offset to Next IFD = 0x000021D2 EXIF IFD1 @ Absolute 0x000021DE Dir Length = 0x0008 [Compression ] = JPEG [XResolution ] = 180/1 [YResolution ] = 180/1 [ResolutionUnit ] = Inch [JpegIFOffset ] = @ +0x25F4 = @ 0x2600 [JpegIFByteCount ] = 3743 [YCbCrPositioning ] = Co-sited Offset to Next IFD = 0x00000000 EXIF SubIFD @ Absolute 0x00000286 Dir Length = 0x0021 [ExposureTime ] = 10/300 s [FNumber ] = F4.1 [ExposureProgram ] = Shutter priority [ExifVersion ] = 02.21 [DateTimeOriginal ] = "2010:06:12 15:43:35" [DateTimeDigitized ] = "2010:06:12 15:43:35" [ComponentsConfiguration ] = [Y Cb Cr .] [CompressedBitsPerPixel ] = 2/1 [ExposureBiasValue ] = 0.00 eV [MaxApertureValue ] = 1042/256 [MeteringMode ] = Pattern [LightSource ] = unknown [Flash ] = Flash did not fire [FocalLength ] = 15 mm Excessive # components (7496). Limiting to first 4000. [MakerNote ] = @ 0x0464 [FlashPixVersion ] = 01.00 [ColorSpace ] = sRGB [ExifImageWidth ] = 1280 [ExifImageHeight ] = 720 [ExifInteroperabilityOffset ] = @ 0x21B4 [SensingMethod ] = One-chip color area sensor [FileSource ] = DSC [SceneType ] = A directly photographed image [CustomRendered ] = Normal process [ExposureMode ] = Auto exposure [WhiteBalance ] = Auto white balance [DigitalZoomRatio ] = 0/10 [FocalLengthIn35mmFilm ] = 30 [SceneCaptureType ] = Standard [GainControl ] = 0 [Contrast ] = 0 [Saturation ] = 0 [Sharpness ] = 0 EXIF MakerIFD @ Absolute 0x00000470 Makernote decode option not enabled. EXIF InteropIFD @ Absolute 0x000021C0 Dir Length = 0x0002 [InteroperabilityIndex ] = "R98" [InteroperabilityVersion ] = 01.00 *** Marker: DQT (xFFDB) *** Define a Quantization Table. OFFSET: 0x00007602 Table length = 132 ---- Precision=8 bits Destination ID=0 (Luminance) DQT, Row #0: 1 1 1 1 2 1 3 3 DQT, Row #1: 1 1 1 1 1 2 3 3 DQT, Row #2: 1 1 1 1 1 2 4 3 DQT, Row #3: 1 1 1 2 3 3 5 5 DQT, Row #4: 1 1 2 3 3 4 3 5 DQT, Row #5: 2 2 3 3 4 5 4 5 DQT, Row #6: 1 3 4 4 5 5 5 4 DQT, Row #7: 3 4 4 4 5 5 5 5 Approx quality factor = 97.33 (scaling=5.34 variance=2.68) ---- Precision=8 bits Destination ID=1 (Chrominance) DQT, Row #0: 1 1 1 1 5 5 5 5 DQT, Row #1: 1 1 2 3 5 5 5 5 DQT, Row #2: 1 2 3 5 5 5 5 5 DQT, Row #3: 1 5 5 5 5 5 5 5 DQT, Row #4: 3 5 5 5 5 5 5 5 DQT, Row #5: 5 5 5 5 5 5 5 5 DQT, Row #6: 5 5 5 5 5 5 5 5 DQT, Row #7: 5 5 5 5 5 5 5 5 Approx quality factor = 97.48 (scaling=5.04 variance=0.70) *** Marker: SOF0 (Baseline DCT) (xFFC0) *** OFFSET: 0x00007688 Frame header length = 17 Precision = 8 Number of Lines = 720 Samples per Line = 1280 Image Size = 1280 x 720 Raw Image Orientation = Landscape Number of Img components = 3 Component[1]: ID=0x01, Samp Fac=0x22 (Subsamp 1 x 1), Quant Tbl Sel=0x00 (Lum: Y) Component[2]: ID=0x02, Samp Fac=0x11 (Subsamp 2 x 2), Quant Tbl Sel=0x01 (Chrom: Cb) Component[3]: ID=0x03, Samp Fac=0x11 (Subsamp 2 x 2), Quant Tbl Sel=0x01 (Chrom: Cr) *** Marker: DHT (Define Huffman Table) (xFFC4) *** OFFSET: 0x0000769B Huffman table length = 418 ---- Destination ID = 0 Class = 0 (DC / Lossless Table) Codes of length 01 bits (000 total): Codes of length 02 bits (001 total): 00 Codes of length 03 bits (005 total): 01 02 03 04 05 Codes of length 04 bits (001 total): 06 Codes of length 05 bits (001 total): 07 Codes of length 06 bits (001 total): 08 Codes of length 07 bits (001 total): 09 Codes of length 08 bits (001 total): 0A Codes of length 09 bits (001 total): 0B Codes of length 10 bits (000 total): Codes of length 11 bits (000 total): Codes of length 12 bits (000 total): Codes of length 13 bits (000 total): Codes of length 14 bits (000 total): Codes of length 15 bits (000 total): Codes of length 16 bits (000 total): Total number of codes: 012 ---- Destination ID = 0 Class = 1 (AC Table) 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): 05 12 21 Codes of length 06 bits (002 total): 31 41 Codes of length 07 bits (004 total): 06 13 51 61 Codes of length 08 bits (003 total): 07 22 71 Codes of length 09 bits (005 total): 14 32 81 91 A1 Codes of length 10 bits (005 total): 08 23 42 B1 C1 Codes of length 11 bits (004 total): 15 52 D1 F0 Codes of length 12 bits (004 total): 24 33 62 72 Codes of length 13 bits (000 total): Codes of length 14 bits (000 total): Codes of length 15 bits (001 total): 82 Codes of length 16 bits (125 total): 09 0A 16 17 18 19 1A 25 26 27 28 29 2A 34 35 36 37 38 39 3A 43 44 45 46 47 48 49 4A 53 54 55 56 57 58 59 5A 63 64 65 66 67 68 69 6A 73 74 75 76 77 78 79 7A 83 84 85 86 87 88 89 8A 92 93 94 95 96 97 98 99 9A A2 A3 A4 A5 A6 A7 A8 A9 AA B2 B3 B4 B5 B6 B7 B8 B9 BA C2 C3 C4 C5 C6 C7 C8 C9 CA D2 D3 D4 D5 D6 D7 D8 D9 DA E1 E2 E3 E4 E5 E6 E7 E8 E9 EA F1 F2 F3 F4 F5 F6 F7 F8 F9 FA Total number of codes: 162 ---- Destination ID = 1 Class = 0 (DC / Lossless Table) Codes of length 01 bits (000 total): Codes of length 02 bits (003 total): 00 01 02 Codes of length 03 bits (001 total): 03 Codes of length 04 bits (001 total): 04 Codes of length 05 bits (001 total): 05 Codes of length 06 bits (001 total): 06 Codes of length 07 bits (001 total): 07 Codes of length 08 bits (001 total): 08 Codes of length 09 bits (001 total): 09 Codes of length 10 bits (001 total): 0A Codes of length 11 bits (001 total): 0B Codes of length 12 bits (000 total): Codes of length 13 bits (000 total): Codes of length 14 bits (000 total): Codes of length 15 bits (000 total): Codes of length 16 bits (000 total): Total number of codes: 012 ---- Destination ID = 1 Class = 1 (AC Table) Codes of length 01 bits (000 total): Codes of length 02 bits (002 total): 00 01 Codes of length 03 bits (001 total): 02 Codes of length 04 bits (002 total): 03 11 Codes of length 05 bits (004 total): 04 05 21 31 Codes of length 06 bits (004 total): 06 12 41 51 Codes of length 07 bits (003 total): 07 61 71 Codes of length 08 bits (004 total): 13 22 32 81 Codes of length 09 bits (007 total): 08 14 42 91 A1 B1 C1 Codes of length 10 bits (005 total): 09 23 33 52 F0 Codes of length 11 bits (004 total): 15 62 72 D1 Codes of length 12 bits (004 total): 0A 16 24 34 Codes of length 13 bits (000 total): Codes of length 14 bits (001 total): E1 Codes of length 15 bits (002 total): 25 F1 Codes of length 16 bits (119 total): 17 18 19 1A 26 27 28 29 2A 35 36 37 38 39 3A 43 44 45 46 47 48 49 4A 53 54 55 56 57 58 59 5A 63 64 65 66 67 68 69 6A 73 74 75 76 77 78 79 7A 82 83 84 85 86 87 88 89 8A 92 93 94 95 96 97 98 99 9A A2 A3 A4 A5 A6 A7 A8 A9 AA B2 B3 B4 B5 B6 B7 B8 B9 BA C2 C3 C4 C5 C6 C7 C8 C9 CA D2 D3 D4 D5 D6 D7 D8 D9 DA E2 E3 E4 E5 E6 E7 E8 E9 EA F2 F3 F4 F5 F6 F7 F8 F9 FA Total number of codes: 162 *** Marker: DRI (Restart Interval) (xFFDD) *** OFFSET: 0x0000783F length = 4 interval = 0 *** Marker: SOS (Start of Scan) (xFFDA) *** OFFSET: 0x00007845 Scan header length = 12 Number of img components = 3 Component[1]: selector=0x01, table=0x00 Component[2]: selector=0x02, table=0x11 Component[3]: selector=0x03, table=0x11 Spectral selection = 0 .. 63 Successive approximation = 0x00 *** Decoding SCAN Data *** OFFSET: 0x00007853 Scan Decode Mode: Full IDCT (AC + DC) Scan Data encountered marker 0xFFD9 @ 0x00055596.0 Compression stats: Compression Ratio: 8.67:1 Bits per pixel: 2.77:1 Huffman code histogram stats: Huffman Table: (Dest ID: 0, Class: DC) # codes of length 01 bits: 0 ( 0%) # codes of length 02 bits: 277 ( 2%) # codes of length 03 bits: 6644 ( 46%) # codes of length 04 bits: 2371 ( 16%) # codes of length 05 bits: 2256 ( 16%) # codes of length 06 bits: 1696 ( 12%) # codes of length 07 bits: 884 ( 6%) # codes of length 08 bits: 259 ( 2%) # codes of length 09 bits: 13 ( 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: 0 ( 0%) # codes of length 02 bits: 2301 ( 32%) # codes of length 03 bits: 1217 ( 17%) # codes of length 04 bits: 1197 ( 17%) # codes of length 05 bits: 1240 ( 17%) # codes of length 06 bits: 822 ( 11%) # codes of length 07 bits: 341 ( 5%) # codes of length 08 bits: 73 ( 1%) # codes of length 09 bits: 9 ( 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: 131646 ( 41%) # codes of length 03 bits: 38567 ( 12%) # codes of length 04 bits: 65870 ( 20%) # codes of length 05 bits: 38021 ( 12%) # codes of length 06 bits: 10763 ( 3%) # codes of length 07 bits: 19772 ( 6%) # codes of length 08 bits: 9117 ( 3%) # codes of length 09 bits: 3249 ( 1%) # codes of length 10 bits: 3209 ( 1%) # codes of length 11 bits: 851 ( 0%) # codes of length 12 bits: 265 ( 0%) # codes of length 13 bits: 0 ( 0%) # codes of length 14 bits: 0 ( 0%) # codes of length 15 bits: 17 ( 0%) # codes of length 16 bits: 778 ( 0%) Huffman Table: (Dest ID: 1, Class: AC) # codes of length 01 bits: 0 ( 0%) # codes of length 02 bits: 28507 ( 37%) # codes of length 03 bits: 13331 ( 17%) # codes of length 04 bits: 14220 ( 19%) # codes of length 05 bits: 11714 ( 15%) # codes of length 06 bits: 4473 ( 6%) # codes of length 07 bits: 1205 ( 2%) # codes of length 08 bits: 1577 ( 2%) # codes of length 09 bits: 1129 ( 1%) # codes of length 10 bits: 344 ( 0%) # codes of length 11 bits: 188 ( 0%) # codes of length 12 bits: 27 ( 0%) # codes of length 13 bits: 0 ( 0%) # codes of length 14 bits: 79 ( 0%) # codes of length 15 bits: 43 ( 0%) # codes of length 16 bits: 26 ( 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] Brightest Pixel Search: YCC=[ 1035, 30, 17] RGB=[255,252,255] @ MCU[ 30, 32] Finished Decoding SCAN Data Number of RESTART markers decoded: 0 Next position in scan buffer: Offset 0x00055595.5 *** Marker: EOI (End of Image) (xFFD9) *** OFFSET: 0x00055596 *** Embedded JPEG Thumbnail *** Offset: 0x00002600 Length: 0x00000E9F (3743) * Embedded Thumb Marker: SOI * Embedded Thumb Marker: DQT Length = 132 ---- Precision=0 bits Destination ID=0 (Luminance) DQT, Row #0: 10 10 10 10 29 19 48 48 DQT, Row #1: 10 10 10 10 19 38 48 48 DQT, Row #2: 10 10 19 19 19 38 67 57 DQT, Row #3: 10 19 19 29 48 57 86 86 DQT, Row #4: 10 19 29 48 57 67 48 95 DQT, Row #5: 38 29 48 57 67 86 67 86 DQT, Row #6: 19 57 76 67 86 95 86 76 DQT, Row #7: 57 67 76 76 95 95 86 86 ---- Precision=0 bits Destination ID=1 (Chrominance) DQT, Row #0: 19 10 19 19 86 86 86 86 DQT, Row #1: 19 19 38 48 86 86 86 86 DQT, Row #2: 19 38 57 86 86 86 86 86 DQT, Row #3: 19 86 86 86 86 86 86 86 DQT, Row #4: 57 86 86 86 86 86 86 86 DQT, Row #5: 86 86 86 86 86 86 86 86 DQT, Row #6: 86 86 86 86 86 86 86 86 DQT, Row #7: 86 86 86 86 86 86 86 86 * Embedded Thumb Marker: SOF Frame header length = 17 Precision = 8 Number of Lines = 120 Samples per Line = 160 Image Size = 160 x 120 * Embedded Thumb Marker: DHT Length = 418 * Embedded Thumb Marker: SOS Skipping scan data Skipped 3164 bytes * Embedded Thumb Marker: EOI * Embedded Thumb Signature: 0131F4D44CE3730C8E52E9336BEC9DE7 *** Searching Compression Signatures *** Signature: 01B02D6252495A2B9D08BBBBFEA0369C Signature (Rotated): 01C44B75CC82D3AE8CA47C53C0367FA1 File Offset: 0 bytes Chroma subsampling: 2x2 EXIF Make/Model: OK [Panasonic] [DMC-GH1] EXIF Makernotes: OK EXIF Software: OK [Ver.1.3 ] Searching Compression Signatures: (3327 built-in, 0 user(*) ) EXIF.Make / Software EXIF.Model Quality Subsamp Match? ------------------------- ----------------------------------- ---------------- -------------- CAM:[LEICA ] [DIGILUX 2 ] [ ] No CAM:[Panasonic ] [DMC-FZ3 ] [ ] No CAM:[Panasonic ] [DMC-FZ30 ] [ ] No CAM:[Panasonic ] [DMC-FZ8 ] [ ] No CAM:[Panasonic ] [DMC-LX1 ] [ ] No Based on the analysis of compression characteristics and EXIF metadata: ASSESSMENT: Class 4 - Uncertain if processed or original While the EXIF fields indicate original, no compression signatures in the current database were found matching this make/model Appears to be new signature for known camera. If the camera/software doesn't appear in list above, PLEASE ADD TO DATABASE with [Tools->Add Camera to DB] *** Additional Info *** NOTE: Data exists after EOF, range: 0x00055598-0x00055600 (104 bytes)