Where are the original images. The author of the pictures says that he got it while on an Evening photoshoot of the city and Venus. Nothing
surprising here. Only if they were the original images...
This image has the compression signature of the following cameras:
Searching Compression Signatures: (3327 built-in, 0 user(*) )
EXIF.Make / Software EXIF.Model Quality Subsamp Match?
------------------------- ----------------------------------- ---------------- --------------
CAM:[Minolta Co., Ltd. ] [DiMAGE F100 ] [ ]
CAM:[NIKON ] [E2500 ] [FINE ]
CAM:[NIKON ] [E4500 ] [FINE ]
CAM:[NIKON ] [E5400 ] [FINE ]
CAM:[NIKON ] [E5700 ] [FINE ]
CAM:[NIKON ] [E775 ] [FINE ]
CAM:[NIKON ] [E8700 ] [FINE ]
CAM:[OLYMPUS CORPORATION ] [C8080WZ ] [ ]
CAM:[PENTAX ] [PENTAX K10D ] [ ]
CAM:[SAMSUNG TECHWIN ] [Pro 815 ] [ ]
CAM:[SAMSUNG TECHWIN ] [VLUU NV 7, NV 7 ] [ ]
CAM:[SAMSUNG TECHWIN ] [VLUU NV10, NV10 ] [ ]
CAM:[SEIKO EPSON CORP. ] [PhotoPC 3000Z ] [ ]
CAM:[SONY ] [DSC-F828 ] [ ]
CAM:[SONY ] [DSC-H1 ] [ ]
CAM:[SONY ] [DSC-H2 ] [ ]
CAM:[SONY ] [DSC-H5 ] [ ]
CAM:[SONY ] [DSC-H7 ] [ ]
CAM:[SONY ] [DSC-H9 ] [ ]
CAM:[SONY ] [DSC-L1 ] [ ]
CAM:[SONY ] [DSC-N1 ] [ ]
CAM:[SONY ] [DSC-P150 ] [ ]
CAM:[SONY ] [DSC-P200 ] [ ]
CAM:[SONY ] [DSC-S90 ] [ ]
CAM:[SONY ] [DSC-V3 ] [ ]
CAM:[SONY ] [DSC-W55 ] [ ]
CAM:[SONY ] [DSC-W7 ] [ ]
SW :[Apple ImageIO.framework ] [084 ]
SW :[IJG Library ] [095 ]
The first results that have the "fine" compression method are the most probable.
The following IJG-based editors also match this signature:
SW :[GIMP ] [095 ]
SW :[IrfanView ] [095 ]
SW :[idImager ] [095 ]
SW :[FastStone Image Viewer ] [095 ]
SW :[NeatImage ] [095 ]
SW :[Paint.NET ] [095 ]
SW :[Photomatix ] [095 ]
SW :[XnView ] [095 ]
Based on the analysis of compression characteristics and EXIF metadata:
ASSESSMENT: Class 1 - Image is processed/edited
If someone has the original images please post them here.