求鉴定，照片是否经过PS？为何人物与背景感觉极不自然？

P是P过，但具体处理过哪一部分不太清楚（下面倒数第四行， ASSESSMENT: Class 1 - Image is processed/edited 图像被处理/编辑过），从整体来看还算比较协调似乎只有软件调整过色彩和亮度。

EXIF.Make / Software EXIF.Model Quality Subsamp Match?

------------------------- ----------------------------------- ---------------- --------------

CAM:[Leica Camera AG ] [M8 Digital Camera ] [ ] Yes

CAM:[NIKON ] [E4500 ] [FINE ] Yes

CAM:[NIKON ] [E5400 ] [FINE ] Yes

CAM:[NIKON ] [E775 ] [FINE ] Yes

CAM:[OLYMPUS CORPORATION ] [C8080WZ ] [ ] Yes

CAM:[OLYMPUS OPTICAL CO.,LTD ] [C3040Z ] [ ] Yes

CAM:[OLYMPUS OPTICAL CO.,LTD ] [C40Z,D40Z ] [ ] Yes

CAM:[Samsung Techwin ] [Digimax V50/a5 ] [ ] Yes

CAM:[SAMSUNG TECHWIN ] [Pro 815 ] [ ] Yes

CAM:[SAMSUNG TECHWIN ] [VLUU NV 7, NV 7 ] [ ] Yes

CAM:[SAMSUNG TECHWIN ] [VLUU NV10, NV10 ] [ ] Yes

CAM:[SONY ] [CYBERSHOT ] [ ] Yes

CAM:[SONY ] [DSC-H1 ] [ ] Yes

CAM:[SONY ] [DSC-H2 ] [ ] Yes

CAM:[SONY ] [DSC-H5 ] [ ] Yes

CAM:[SONY ] [DSC-H7 ] [ ] Yes

CAM:[SONY ] [DSC-H9 ] [ ] Yes

CAM:[SONY ] [DSC-L1 ] [ ] Yes

CAM:[SONY ] [DSC-N2 ] [ ] Yes

CAM:[SONY ] [DSC-P150 ] [ ] Yes

CAM:[SONY ] [DSC-P200 ] [ ] Yes

CAM:[SONY ] [DSC-R1 ] [ ] Yes

CAM:[SONY ] [DSC-S90 ] [ ] Yes

CAM:[SONY ] [DSC-V1 ] [ ] Yes

CAM:[SONY ] [DSC-V3 ] [ ] Yes

CAM:[SONY ] [DSC-W35 ] [ ] Yes

CAM:[SONY ] [DSC-W7 ] [ ] Yes

CAM:[SONY ] [SONY ] [ ] Yes

SW :[IJG Library ] [097 ]

The following IJG-based editors also match this signature:

SW :[GIMP ] [097 ]

SW :[IrfanView ] [097 ]

SW :[idImager ] [097 ]

SW :[FastStone Image Viewer ] [097 ]

SW :[NeatImage ] [097 ]

SW :[Paint.NET ] [097 ]

SW :[Photomatix ] [097 ]

SW :[XnView ] [097 ]

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]