Python PIL inattendue cesser de processus lors du recadrage

0

La question

Je suis en train de travailler sur un petit script qui doit couper un fichier tiff en petits morceaux.

Les fichiers sont plus gros que typique (le plus gros fichier a 16000 x 28800 pixels 1 bit de profondeur) Image with patches

Mon idée est, à la culture de chaque de ce de rectangles et de l'enregistrer comme un nouveau fichier, avec la même résolution que l'image d'origine


     from PIL import Image

     Image.MAX_IMAGE_PIXELS = None
     rows = 9
     cols = 5

     im = Image.open("Patches_TP_2540.tif")
     width, heigth = im.size
     res = 2540

     print(width, heigth)

     patchSize = int(width / cols)

     offset_x_tl = 0
     offset_y_tl = 0
     for r in range(rows):
        offset_y_tl = r * patchSize
        for c in range(cols):
           print(r, c)
           offset_x_tl = c * patchSize
           offset_y_br = offset_y_tl + patchSize
           offset_x_br = offset_x_tl + patchSize
           print(offset_x_tl, offset_y_tl, offset_x_br, offset_y_br)

           croped_area = im.crop((offset_x_tl, offset_y_tl, offset_x_br, offset_y_br))
           croped_area.save("Patch_"+ str(res) +"_" + str(r) + "_" + str(c) +".tiff", dpi=(2540,2540)) 
  


    print("Done!")

Si j'exécute ce code, il se termine sans l'impression de! Si je supprime croped_area et la commande d'enregistrement, le code est en cours d'exécution fine. La création d'une nouvelle Image et de l'enregistrer workds aussi.

J'ai aussi essayé en utilisant une température d'image avec im.copier(). Si je fais cela, le code s'arrête à la procédure de copie.

Peut-être que quelqu'un peut m'aider avec ce problème et a quelques astuces pour résoudre le problème.

Merci pour la lecture, Timo

Tiff Exiff Infos tel que demandé de Marque Setchell

ExiffTool Output
ExifTool Version Number         : 12.36
File Name                       : Patches_TP_2540.tif
Directory                       : .
File Size                       : 1967 KiB
File Modification Date/Time     : 2021:11:23 22:04:59+01:00
File Access Date/Time           : 2021:11:24 16:38:45+01:00
File Creation Date/Time         : 2021:11:23 22:04:58+01:00
File Permissions                : -rw-rw-rw-
File Type                       : TIFF
File Type Extension             : tif
MIME Type                       : image/tiff
Exif Byte Order                 : Little-endian (Intel, II)
Subfile Type                    : Full-resolution image
Image Width                     : 8000
Image Height                    : 14400
Bits Per Sample                 : 1
Compression                     : LZW
Photometric Interpretation      : WhiteIsZero
Strip Offsets                   : (Binary data 407 bytes, use -b option to extract)
Orientation                     : Horizontal (normal)
Samples Per Pixel               : 1
Rows Per Strip                  : 262
Strip Byte Counts               : (Binary data 329 bytes, use -b option to extract)
X Resolution                    : 2540
Y Resolution                    : 2540
Resolution Unit                 : inches
Software                        : Adobe Photoshop CS2 Windows
Modify Date                     : 2021:11:23 22:04:58
XMP Toolkit                     : 3.1.1-111
Format                          : image/tiff
Creator Tool                    : Adobe Photoshop CS2 Windows
Create Date                     : 2021:11:23 22:04:34+01:00
Metadata Date                   : 2021:11:23 22:04:58+01:00
Document ID                     : uuid:2A661B24A04CEC1180E9F8C3BA2D9028
Instance ID                     : uuid:2B661B24A04CEC1180E9F8C3BA2D9028
Native Digest                   : 256,257,258,259,262,274,277,284,530,531,282,283,296,301,318,319,529,532,306,270,271,272,305,315,33432;5F3D788B45930CC20D5D52E96A1450A4
Color Mode                      : Bitmap
History                         :
IPTC Digest                     : 00000000000000000000000000000000
Displayed Units X               : inches
Displayed Units Y               : inches
Print Style                     : Centered
Print Position                  : 0 0
Print Scale                     : 1
Global Angle                    : 120
Global Altitude                 : 30
Copyright Flag                  : False
URL List                        :
Slices Group Name               : Patches
Num Slices                      : 1
Pixel Aspect Ratio              : 1
Photoshop Thumbnail             : (Binary data 10944 bytes, use -b option to extract)
Has Real Merged Data            : Yes
Writer Name                     : Adobe Photoshop
Reader Name                     : Adobe Photoshop CS2
Color Space                     : Uncalibrated
Exif Image Width                : 8000
Exif Image Height               : 14400
Image Size                      : 8000x14400
Megapixels                      : 115.2

Oreiller de Configuration tel que demandé de Marque Setchell

Pillow 8.2.0
Python 3.8.8 (default, Apr 13 2021, 15:08:03) [MSC v.1916 64 bit (AMD64)]
--------------------------------------------------------------------
Python modules loaded from C:\Users\timo\Anaconda3\envs\tensorflow\lib\site-packages\PIL
Binary modules loaded from C:\Users\timo\Anaconda3\envs\tensorflow\lib\site-packages\PIL
--------------------------------------------------------------------
--- PIL CORE support ok, compiled for 8.2.0
--- TKINTER support ok, loaded 8.6
--- FREETYPE2 support ok, loaded 2.10.4
*** LITTLECMS2 support not installed
*** WEBP support not installed
*** WEBP Transparency support not installed
*** WEBPMUX support not installed
*** WEBP Animation support not installed
--- JPEG support ok, compiled for 9.0
*** OPENJPEG (JPEG2000) support not installed
--- ZLIB (PNG/ZIP) support ok, loaded 1.2.11
--- LIBTIFF support ok, loaded 4.2.0
*** RAQM (Bidirectional Text) support not installed
*** LIBIMAGEQUANT (Quantization method) support not installed
*** XCB (X protocol) support not installed
--------------------------------------------------------------------
BLP
Extensions: .blp
Features: open
--------------------------------------------------------------------
BMP image/bmp
Extensions: .bmp
Features: open, save
--------------------------------------------------------------------
BUFR
Extensions: .bufr
Features: open, save
--------------------------------------------------------------------
CUR
Extensions: .cur
Features: open
--------------------------------------------------------------------
DCX
Extensions: .dcx
Features: open
--------------------------------------------------------------------
DDS
Extensions: .dds
Features: open
--------------------------------------------------------------------
DIB image/bmp
Extensions: .dib
Features: open, save
--------------------------------------------------------------------
EPS application/postscript
Extensions: .eps, .ps
Features: open, save
--------------------------------------------------------------------
FITS
Extensions: .fit, .fits
Features: open, save
--------------------------------------------------------------------
FLI
Extensions: .flc, .fli
Features: open
--------------------------------------------------------------------
FPX
Extensions: .fpx
Features: open
--------------------------------------------------------------------
FTEX
Extensions: .ftc, .ftu
Features: open
--------------------------------------------------------------------
GBR
Extensions: .gbr
Features: open
--------------------------------------------------------------------
GIF image/gif
Extensions: .gif
Features: open, save, save_all
--------------------------------------------------------------------
GRIB
Extensions: .grib
Features: open, save
--------------------------------------------------------------------
HDF5
Extensions: .h5, .hdf
Features: open, save
--------------------------------------------------------------------
ICNS
Extensions: .icns
Features: open
--------------------------------------------------------------------
ICO image/x-icon
Extensions: .ico
Features: open, save
--------------------------------------------------------------------
IM
Extensions: .im
Features: open, save
--------------------------------------------------------------------
IMT
Features: open
--------------------------------------------------------------------
IPTC
Extensions: .iim
Features: open
--------------------------------------------------------------------
JPEG image/jpeg
Extensions: .jfif, .jpe, .jpeg, .jpg
Features: open, save
--------------------------------------------------------------------
JPEG2000 image/jp2
Extensions: .j2c, .j2k, .jp2, .jpc, .jpf, .jpx
Features: open, save
--------------------------------------------------------------------
MCIDAS
Features: open
--------------------------------------------------------------------
MIC
Extensions: .mic
Features: open
--------------------------------------------------------------------
MPEG video/mpeg
Extensions: .mpeg, .mpg
Features: open
--------------------------------------------------------------------
MSP
Extensions: .msp
Features: open, save, decode
--------------------------------------------------------------------
PCD
Extensions: .pcd
Features: open
--------------------------------------------------------------------
PCX image/x-pcx
Extensions: .pcx
Features: open, save
--------------------------------------------------------------------
PIXAR
Extensions: .pxr
Features: open
--------------------------------------------------------------------
PNG image/png
Extensions: .apng, .png
Features: open, save, save_all
--------------------------------------------------------------------
PPM image/x-portable-anymap
Extensions: .pbm, .pgm, .pnm, .ppm
Features: open, save
--------------------------------------------------------------------
PSD image/vnd.adobe.photoshop
Extensions: .psd
Features: open
--------------------------------------------------------------------
SGI image/sgi
Extensions: .bw, .rgb, .rgba, .sgi
Features: open, save
--------------------------------------------------------------------
SPIDER
Features: open, save
--------------------------------------------------------------------
SUN
Extensions: .ras
Features: open
--------------------------------------------------------------------
TGA image/x-tga
Extensions: .icb, .tga, .vda, .vst
Features: open, save
--------------------------------------------------------------------
TIFF image/tiff
Extensions: .tif, .tiff
Features: open, save, save_all
--------------------------------------------------------------------
WEBP
Features: open
--------------------------------------------------------------------
WMF
Extensions: .emf, .wmf
Features: open, save
--------------------------------------------------------------------
XBM image/xbm
Extensions: .xbm
Features: open, save
--------------------------------------------------------------------
XPM image/xpm
Extensions: .xpm
Features: open
--------------------------------------------------------------------
XVTHUMB
Features: open
--------------------------------------------------------------------
crop python python-imaging-library tiff
2021-11-23 21:34:17
2

La meilleure réponse

0

Il coutures PIL et des cultures a quelques problèmes avec la compression LZW. Retrait de la compression avec Photoshop fait le script qui s'exécute comme prévu.

2021-11-24 16:25:20
0

Si vous avez des idée de bouding box région peuvent utiliser cette approche pour rogner l'image

from PIL import Image
img = Image.open("imagefile")

#Zone de délimitation, par exemple

#gauche = 90, top = 580, droite = 1600, bas = 2000

img_res = img.crop((left, top, right, bottom))
with open(outfile4, 'w') as f:
    img_res.save(outfile_path,'JPEG')
2021-11-24 16:43:00

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