ocr (roc - reconocimiento óptico de caracteres)
Pipeline de Módulo Único: ocr (ROC - Reconocimiento Óptico de Caracteres)
🇺🇸 English version of this document
Este documento presenta una guía de cómo ensamblar y consumir un pipeline de módulo único que solo incluye un módulo ocr (ROC - Reconocimiento Óptico de Caracteres). Se divide en las siguientes secciones:
- Monta tu Pipeline
- Formato de Entrada Requerido
- Cómo Usar el Modelo Predeterminado
- Cómo Usar un Modelo No-Predeterminado
Monta tu Pipeline
Primero crea un pipeline de módulo único con un módulo ocr (ROC - Reconocimiento Óptico de Caracteres).
Usa el método create_pipeline para esto, incluyendo solamente una referencia de módulo ocr en el argumento module_chain.
# crea un pipeline con un solo módulo ocr
pipeline = krixik.create_pipeline(name="unico_ocr_1", module_chain=["ocr"])
Formato de Entrada Requerido
El módulo ocr (ROC - Reconocimiento Óptico de Caracteres) recibe como entradas archivos de imagen con formato PNG, JPG y JPEG.
Antes de procesar un archivo de entrada—uno válido para este pipeline—examínalo con el siguiente código:
# examina el contenido de un archivo de entrada válido
from IPython.display import Image
Image(filename=data_dir + "input/sello.png")
Como Usar el Modelo Predeterminado
Ahora procesa el archivo usando el modelo predeterminado del módulo ocr (leyenda de imagen): tesseract-en.
Dado que este es el modelo predeterminado, no hace falta que especifiques qué modelo quieres usar a través del argumento opcional modules del método process.
# no mostrar actualizaciones de proceso al ejecutar el código
process_output = pipeline.process(
local_file_path=data_dir + "input/sello.png", # la ruta de archivo inicial en la que yace el archivo de entrada
local_save_directory=data_dir + "output", # el directorio local en el que se guardará el archivo de salida
expire_time=60 * 30, # process data will be deleted from the Krixik system in 30 minutes
wait_for_process=True, # wait for process to complete before returning IDE control to user
verbose=False,
) # do not display process update printouts upon running code
La salida del proceso se reproduce con el siguiente código. Para aprender más sobre cada componente de esta salida, revisa la documentación del método process.
Dado que la salida de este modelo/módulo es un archivo JSON, la salida también se incluye en el objeto (esto solo ese el caso para salidas JSON). Además, el archivo de salida se ha guardado en la ubicación indicada bajo process_output_files. El file_id del archivo procesado es el prefijo del nombre del archivo de salida en esta ubicación.
# nítidamente reproduce la salida de este proceso
print(json.dumps(process_output, indent=2))
{
"status_code": 200,
"pipeline": "single_ocr_1",
"request_id": "dbdc2a06-bdf4-42d4-982c-56ad350479b5",
"file_id": "10108ae4-8bcf-4b5f-b109-4e4eff94f343",
"message": "SUCCESS - output fetched for file_id 10108ae4-8bcf-4b5f-b109-4e4eff94f343.Output saved to location(s) listed in process_output_files.",
"warnings": [],
"process_output": [
{
"text": "The Seventh Seal\n\nThe night had brought little relief from the heat, and at dawn a hot gust of\nwind blows across the colorless sea. The KNIGHT, Antonius Block, lies\nprostrate on some spruce branches spread over the fine sand. His eyes are\nwide-open and bloodshot from lack of sleep.\n\nNearby his squire JONS is snoring loudly. He has fallen asleep where he\ncollapsed, at the edge of the forest among the wind-gnarled fir trees. His\nopen mouth gapes towards the dawn, and unearthly sounds come from his throat.\nAt the sudden gust of wind, the horses stir, stretching their parched muzzles\ntowards the sea. They are as thin and worn as their masters.\n",
"detections": [
{
"left": 10,
"top": 54,
"width": 51,
"height": 22,
"text": "The",
"conf": 90.48
},
{
"left": 81,
"top": 54,
"width": 117,
"height": 22,
"text": "Seventh",
"conf": 90.48
},
{
"left": 220,
"top": 54,
"width": 66,
"height": 22,
"text": "Seal",
"conf": 92.21
},
{
"left": 10,
"top": 122,
"width": 51,
"height": 22,
"text": "The",
"conf": 92.12
},
{
"left": 82,
"top": 122,
"width": 81,
"height": 28,
"text": "night",
"conf": 91.98
},
{
"left": 186,
"top": 122,
"width": 47,
"height": 22,
"text": "had",
"conf": 92.23
},
{
"left": 255,
"top": 122,
"width": 116,
"height": 28,
"text": "brought",
"conf": 92.23
},
{
"left": 395,
"top": 122,
"width": 99,
"height": 22,
"text": "little",
"conf": 90.88
},
{
"left": 518,
"top": 122,
"width": 97,
"height": 22,
"text": "relief",
"conf": 91.56
},
{
"left": 637,
"top": 122,
"width": 65,
"height": 22,
"text": "from",
"conf": 92.14
},
{
"left": 723,
"top": 122,
"width": 48,
"height": 22,
"text": "the",
"conf": 92.14
},
{
"left": 793,
"top": 122,
"width": 77,
"height": 27,
"text": "heat,",
"conf": 90.93
},
{
"left": 896,
"top": 122,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.68
},
{
"left": 965,
"top": 123,
"width": 31,
"height": 21,
"text": "at",
"conf": 92.24
},
{
"left": 1017,
"top": 122,
"width": 66,
"height": 22,
"text": "dawn",
"conf": 92.24
},
{
"left": 1104,
"top": 128,
"width": 13,
"height": 16,
"text": "a",
"conf": 91.17
},
{
"left": 1140,
"top": 122,
"width": 46,
"height": 22,
"text": "hot",
"conf": 91.81
},
{
"left": 1208,
"top": 123,
"width": 65,
"height": 27,
"text": "gust",
"conf": 91.59
},
{
"left": 1295,
"top": 122,
"width": 31,
"height": 22,
"text": "of",
"conf": 91.59
},
{
"left": 10,
"top": 156,
"width": 67,
"height": 22,
"text": "wind",
"conf": 90.08
},
{
"left": 99,
"top": 156,
"width": 82,
"height": 22,
"text": "blows",
"conf": 91.73
},
{
"left": 202,
"top": 162,
"width": 100,
"height": 16,
"text": "across",
"conf": 90.8
},
{
"left": 324,
"top": 156,
"width": 49,
"height": 22,
"text": "the",
"conf": 91.33
},
{
"left": 394,
"top": 156,
"width": 151,
"height": 22,
"text": "colorless",
"conf": 90.55
},
{
"left": 568,
"top": 162,
"width": 59,
"height": 16,
"text": "sea.",
"conf": 93.01
},
{
"left": 652,
"top": 156,
"width": 50,
"height": 22,
"text": "The",
"conf": 91.62
},
{
"left": 723,
"top": 156,
"width": 113,
"height": 27,
"text": "KNIGHT,",
"conf": 92.28
},
{
"left": 860,
"top": 156,
"width": 136,
"height": 22,
"text": "Antonius",
"conf": 91.4
},
{
"left": 1018,
"top": 156,
"width": 95,
"height": 27,
"text": "Block,",
"conf": 91.85
},
{
"left": 1140,
"top": 156,
"width": 64,
"height": 22,
"text": "lies",
"conf": 82.9
},
{
"left": 13,
"top": 191,
"width": 152,
"height": 27,
"text": "prostrate",
"conf": 91.37
},
{
"left": 185,
"top": 196,
"width": 31,
"height": 16,
"text": "on",
"conf": 92.02
},
{
"left": 238,
"top": 196,
"width": 65,
"height": 16,
"text": "some",
"conf": 91.64
},
{
"left": 325,
"top": 196,
"width": 100,
"height": 22,
"text": "spruce",
"conf": 91.83
},
{
"left": 446,
"top": 190,
"width": 133,
"height": 22,
"text": "branches",
"conf": 91.98
},
{
"left": 602,
"top": 190,
"width": 99,
"height": 28,
"text": "spread",
"conf": 92.01
},
{
"left": 723,
"top": 196,
"width": 66,
"height": 16,
"text": "over",
"conf": 92.6
},
{
"left": 809,
"top": 190,
"width": 49,
"height": 22,
"text": "the",
"conf": 93.04
},
{
"left": 880,
"top": 190,
"width": 65,
"height": 22,
"text": "fine",
"conf": 91.36
},
{
"left": 967,
"top": 190,
"width": 77,
"height": 22,
"text": "sand.",
"conf": 92.68
},
{
"left": 1070,
"top": 190,
"width": 47,
"height": 22,
"text": "His",
"conf": 92.28
},
{
"left": 1139,
"top": 196,
"width": 65,
"height": 22,
"text": "eyes",
"conf": 91.88
},
{
"left": 1225,
"top": 196,
"width": 49,
"height": 16,
"text": "are",
"conf": 90.57
},
{
"left": 10,
"top": 224,
"width": 154,
"height": 28,
"text": "wide-open",
"conf": 73.54
},
{
"left": 185,
"top": 224,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.18
},
{
"left": 255,
"top": 224,
"width": 151,
"height": 22,
"text": "bloodshot",
"conf": 91.84
},
{
"left": 429,
"top": 224,
"width": 65,
"height": 22,
"text": "from",
"conf": 91.61
},
{
"left": 516,
"top": 224,
"width": 66,
"height": 22,
"text": "lack",
"conf": 92.2
},
{
"left": 601,
"top": 224,
"width": 31,
"height": 22,
"text": "of",
"conf": 92.89
},
{
"left": 654,
"top": 224,
"width": 95,
"height": 28,
"text": "sleep.",
"conf": 90.45
},
{
"left": 10,
"top": 292,
"width": 103,
"height": 28,
"text": "Nearby",
"conf": 92.22
},
{
"left": 134,
"top": 292,
"width": 47,
"height": 22,
"text": "his",
"conf": 91.96
},
{
"left": 204,
"top": 292,
"width": 99,
"height": 28,
"text": "squire",
"conf": 91.78
},
{
"left": 323,
"top": 292,
"width": 67,
"height": 22,
"text": "JONS",
"conf": 85.69
},
{
"left": 412,
"top": 292,
"width": 29,
"height": 22,
"text": "is",
"conf": 87.03
},
{
"left": 464,
"top": 292,
"width": 116,
"height": 28,
"text": "snoring",
"conf": 91.88
},
{
"left": 603,
"top": 292,
"width": 111,
"height": 28,
"text": "loudly.",
"conf": 91.29
},
{
"left": 740,
"top": 293,
"width": 31,
"height": 21,
"text": "He",
"conf": 92.41
},
{
"left": 793,
"top": 292,
"width": 47,
"height": 22,
"text": "has",
"conf": 90.81
},
{
"left": 862,
"top": 292,
"width": 99,
"height": 22,
"text": "fallen",
"conf": 90.81
},
{
"left": 983,
"top": 292,
"width": 100,
"height": 28,
"text": "asleep",
"conf": 92.57
},
{
"left": 1102,
"top": 292,
"width": 86,
"height": 22,
"text": "where",
"conf": 92.41
},
{
"left": 1209,
"top": 292,
"width": 31,
"height": 22,
"text": "he",
"conf": 90.62
},
{
"left": 13,
"top": 326,
"width": 164,
"height": 28,
"text": "collapsed,",
"conf": 90.44
},
{
"left": 202,
"top": 327,
"width": 31,
"height": 21,
"text": "at",
"conf": 92.59
},
{
"left": 254,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.17
},
{
"left": 324,
"top": 326,
"width": 66,
"height": 28,
"text": "edge",
"conf": 91.37
},
{
"left": 411,
"top": 326,
"width": 30,
"height": 22,
"text": "of",
"conf": 92.52
},
{
"left": 462,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.7
},
{
"left": 533,
"top": 326,
"width": 98,
"height": 22,
"text": "forest",
"conf": 92.7
},
{
"left": 653,
"top": 332,
"width": 83,
"height": 22,
"text": "among",
"conf": 92.0
},
{
"left": 757,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.68
},
{
"left": 825,
"top": 326,
"width": 206,
"height": 28,
"text": "wind-gnarled",
"conf": 77.4
},
{
"left": 1053,
"top": 326,
"width": 48,
"height": 22,
"text": "fir",
"conf": 92.84
},
{
"left": 1121,
"top": 327,
"width": 96,
"height": 21,
"text": "trees.",
"conf": 91.35
},
{
"left": 1243,
"top": 326,
"width": 47,
"height": 22,
"text": "His",
"conf": 91.08
},
{
"left": 12,
"top": 366,
"width": 65,
"height": 22,
"text": "open",
"conf": 92.05
},
{
"left": 98,
"top": 360,
"width": 83,
"height": 22,
"text": "mouth",
"conf": 92.26
},
{
"left": 202,
"top": 366,
"width": 83,
"height": 22,
"text": "gapes",
"conf": 92.6
},
{
"left": 306,
"top": 360,
"width": 117,
"height": 22,
"text": "towards",
"conf": 90.24
},
{
"left": 445,
"top": 360,
"width": 49,
"height": 22,
"text": "the",
"conf": 90.24
},
{
"left": 514,
"top": 360,
"width": 79,
"height": 27,
"text": "dawn,",
"conf": 91.95
},
{
"left": 618,
"top": 360,
"width": 48,
"height": 22,
"text": "and",
"conf": 92.56
},
{
"left": 689,
"top": 360,
"width": 152,
"height": 28,
"text": "unearthly",
"conf": 91.36
},
{
"left": 862,
"top": 360,
"width": 99,
"height": 22,
"text": "sounds",
"conf": 92.15
},
{
"left": 984,
"top": 366,
"width": 65,
"height": 16,
"text": "come",
"conf": 92.9
},
{
"left": 1070,
"top": 360,
"width": 66,
"height": 22,
"text": "from",
"conf": 91.26
},
{
"left": 1157,
"top": 360,
"width": 47,
"height": 22,
"text": "his",
"conf": 91.26
},
{
"left": 1225,
"top": 360,
"width": 113,
"height": 22,
"text": "throat.",
"conf": 92.48
},
{
"left": 10,
"top": 395,
"width": 32,
"height": 21,
"text": "At",
"conf": 92.4
},
{
"left": 64,
"top": 394,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.4
},
{
"left": 134,
"top": 394,
"width": 99,
"height": 22,
"text": "sudden",
"conf": 90.06
},
{
"left": 254,
"top": 395,
"width": 65,
"height": 27,
"text": "gust",
"conf": 90.46
},
{
"left": 341,
"top": 394,
"width": 31,
"height": 22,
"text": "of",
"conf": 92.95
},
{
"left": 391,
"top": 394,
"width": 81,
"height": 27,
"text": "wind,",
"conf": 91.2
},
{
"left": 497,
"top": 394,
"width": 49,
"height": 22,
"text": "the",
"conf": 91.21
},
{
"left": 567,
"top": 394,
"width": 99,
"height": 22,
"text": "horses",
"conf": 90.56
},
{
"left": 689,
"top": 394,
"width": 77,
"height": 27,
"text": "stir,",
"conf": 89.29
},
{
"left": 793,
"top": 394,
"width": 168,
"height": 28,
"text": "stretching",
"conf": 92.05
},
{
"left": 983,
"top": 394,
"width": 84,
"height": 22,
"text": "their",
"conf": 90.23
},
{
"left": 1088,
"top": 394,
"width": 116,
"height": 28,
"text": "parched",
"conf": 90.23
},
{
"left": 1225,
"top": 394,
"width": 117,
"height": 22,
"text": "muzzles",
"conf": 91.35
},
{
"left": 12,
"top": 428,
"width": 117,
"height": 22,
"text": "towards",
"conf": 92.03
},
{
"left": 150,
"top": 428,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.49
},
{
"left": 221,
"top": 434,
"width": 60,
"height": 16,
"text": "sea.",
"conf": 91.67
},
{
"left": 305,
"top": 428,
"width": 68,
"height": 28,
"text": "They",
"conf": 91.42
},
{
"left": 393,
"top": 434,
"width": 49,
"height": 16,
"text": "are",
"conf": 91.27
},
{
"left": 462,
"top": 434,
"width": 31,
"height": 16,
"text": "as",
"conf": 89.91
},
{
"left": 514,
"top": 428,
"width": 66,
"height": 22,
"text": "thin",
"conf": 89.91
},
{
"left": 601,
"top": 428,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.09
},
{
"left": 669,
"top": 434,
"width": 67,
"height": 16,
"text": "worn",
"conf": 91.22
},
{
"left": 757,
"top": 434,
"width": 31,
"height": 16,
"text": "as",
"conf": 90.83
},
{
"left": 809,
"top": 428,
"width": 84,
"height": 22,
"text": "their",
"conf": 90.83
},
{
"left": 913,
"top": 429,
"width": 131,
"height": 21,
"text": "masters.",
"conf": 92.17
}
]
}
],
"process_output_files": [
"../../../data/output/10108ae4-8bcf-4b5f-b109-4e4eff94f343.json"
]
}
Para confirmar que todo salió como esperabas, carga el archivo de process_output_files:
# carga la salida del proceso del archivo
with open(process_output["process_output_files"][0]) as f:
print(json.dumps(json.load(f), indent=2))
[
{
"text": "The Seventh Seal\n\nThe night had brought little relief from the heat, and at dawn a hot gust of\nwind blows across the colorless sea. The KNIGHT, Antonius Block, lies\nprostrate on some spruce branches spread over the fine sand. His eyes are\nwide-open and bloodshot from lack of sleep.\n\nNearby his squire JONS is snoring loudly. He has fallen asleep where he\ncollapsed, at the edge of the forest among the wind-gnarled fir trees. His\nopen mouth gapes towards the dawn, and unearthly sounds come from his throat.\nAt the sudden gust of wind, the horses stir, stretching their parched muzzles\ntowards the sea. They are as thin and worn as their masters.\n",
"detections": [
{
"left": 10,
"top": 54,
"width": 51,
"height": 22,
"text": "The",
"conf": 90.48
},
{
"left": 81,
"top": 54,
"width": 117,
"height": 22,
"text": "Seventh",
"conf": 90.48
},
{
"left": 220,
"top": 54,
"width": 66,
"height": 22,
"text": "Seal",
"conf": 92.21
},
{
"left": 10,
"top": 122,
"width": 51,
"height": 22,
"text": "The",
"conf": 92.12
},
{
"left": 82,
"top": 122,
"width": 81,
"height": 28,
"text": "night",
"conf": 91.98
},
{
"left": 186,
"top": 122,
"width": 47,
"height": 22,
"text": "had",
"conf": 92.23
},
{
"left": 255,
"top": 122,
"width": 116,
"height": 28,
"text": "brought",
"conf": 92.23
},
{
"left": 395,
"top": 122,
"width": 99,
"height": 22,
"text": "little",
"conf": 90.88
},
{
"left": 518,
"top": 122,
"width": 97,
"height": 22,
"text": "relief",
"conf": 91.56
},
{
"left": 637,
"top": 122,
"width": 65,
"height": 22,
"text": "from",
"conf": 92.14
},
{
"left": 723,
"top": 122,
"width": 48,
"height": 22,
"text": "the",
"conf": 92.14
},
{
"left": 793,
"top": 122,
"width": 77,
"height": 27,
"text": "heat,",
"conf": 90.93
},
{
"left": 896,
"top": 122,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.68
},
{
"left": 965,
"top": 123,
"width": 31,
"height": 21,
"text": "at",
"conf": 92.24
},
{
"left": 1017,
"top": 122,
"width": 66,
"height": 22,
"text": "dawn",
"conf": 92.24
},
{
"left": 1104,
"top": 128,
"width": 13,
"height": 16,
"text": "a",
"conf": 91.17
},
{
"left": 1140,
"top": 122,
"width": 46,
"height": 22,
"text": "hot",
"conf": 91.81
},
{
"left": 1208,
"top": 123,
"width": 65,
"height": 27,
"text": "gust",
"conf": 91.59
},
{
"left": 1295,
"top": 122,
"width": 31,
"height": 22,
"text": "of",
"conf": 91.59
},
{
"left": 10,
"top": 156,
"width": 67,
"height": 22,
"text": "wind",
"conf": 90.08
},
{
"left": 99,
"top": 156,
"width": 82,
"height": 22,
"text": "blows",
"conf": 91.73
},
{
"left": 202,
"top": 162,
"width": 100,
"height": 16,
"text": "across",
"conf": 90.8
},
{
"left": 324,
"top": 156,
"width": 49,
"height": 22,
"text": "the",
"conf": 91.33
},
{
"left": 394,
"top": 156,
"width": 151,
"height": 22,
"text": "colorless",
"conf": 90.55
},
{
"left": 568,
"top": 162,
"width": 59,
"height": 16,
"text": "sea.",
"conf": 93.01
},
{
"left": 652,
"top": 156,
"width": 50,
"height": 22,
"text": "The",
"conf": 91.62
},
{
"left": 723,
"top": 156,
"width": 113,
"height": 27,
"text": "KNIGHT,",
"conf": 92.28
},
{
"left": 860,
"top": 156,
"width": 136,
"height": 22,
"text": "Antonius",
"conf": 91.4
},
{
"left": 1018,
"top": 156,
"width": 95,
"height": 27,
"text": "Block,",
"conf": 91.85
},
{
"left": 1140,
"top": 156,
"width": 64,
"height": 22,
"text": "lies",
"conf": 82.9
},
{
"left": 13,
"top": 191,
"width": 152,
"height": 27,
"text": "prostrate",
"conf": 91.37
},
{
"left": 185,
"top": 196,
"width": 31,
"height": 16,
"text": "on",
"conf": 92.02
},
{
"left": 238,
"top": 196,
"width": 65,
"height": 16,
"text": "some",
"conf": 91.64
},
{
"left": 325,
"top": 196,
"width": 100,
"height": 22,
"text": "spruce",
"conf": 91.83
},
{
"left": 446,
"top": 190,
"width": 133,
"height": 22,
"text": "branches",
"conf": 91.98
},
{
"left": 602,
"top": 190,
"width": 99,
"height": 28,
"text": "spread",
"conf": 92.01
},
{
"left": 723,
"top": 196,
"width": 66,
"height": 16,
"text": "over",
"conf": 92.6
},
{
"left": 809,
"top": 190,
"width": 49,
"height": 22,
"text": "the",
"conf": 93.04
},
{
"left": 880,
"top": 190,
"width": 65,
"height": 22,
"text": "fine",
"conf": 91.36
},
{
"left": 967,
"top": 190,
"width": 77,
"height": 22,
"text": "sand.",
"conf": 92.68
},
{
"left": 1070,
"top": 190,
"width": 47,
"height": 22,
"text": "His",
"conf": 92.28
},
{
"left": 1139,
"top": 196,
"width": 65,
"height": 22,
"text": "eyes",
"conf": 91.88
},
{
"left": 1225,
"top": 196,
"width": 49,
"height": 16,
"text": "are",
"conf": 90.57
},
{
"left": 10,
"top": 224,
"width": 154,
"height": 28,
"text": "wide-open",
"conf": 73.54
},
{
"left": 185,
"top": 224,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.18
},
{
"left": 255,
"top": 224,
"width": 151,
"height": 22,
"text": "bloodshot",
"conf": 91.84
},
{
"left": 429,
"top": 224,
"width": 65,
"height": 22,
"text": "from",
"conf": 91.61
},
{
"left": 516,
"top": 224,
"width": 66,
"height": 22,
"text": "lack",
"conf": 92.2
},
{
"left": 601,
"top": 224,
"width": 31,
"height": 22,
"text": "of",
"conf": 92.89
},
{
"left": 654,
"top": 224,
"width": 95,
"height": 28,
"text": "sleep.",
"conf": 90.45
},
{
"left": 10,
"top": 292,
"width": 103,
"height": 28,
"text": "Nearby",
"conf": 92.22
},
{
"left": 134,
"top": 292,
"width": 47,
"height": 22,
"text": "his",
"conf": 91.96
},
{
"left": 204,
"top": 292,
"width": 99,
"height": 28,
"text": "squire",
"conf": 91.78
},
{
"left": 323,
"top": 292,
"width": 67,
"height": 22,
"text": "JONS",
"conf": 85.69
},
{
"left": 412,
"top": 292,
"width": 29,
"height": 22,
"text": "is",
"conf": 87.03
},
{
"left": 464,
"top": 292,
"width": 116,
"height": 28,
"text": "snoring",
"conf": 91.88
},
{
"left": 603,
"top": 292,
"width": 111,
"height": 28,
"text": "loudly.",
"conf": 91.29
},
{
"left": 740,
"top": 293,
"width": 31,
"height": 21,
"text": "He",
"conf": 92.41
},
{
"left": 793,
"top": 292,
"width": 47,
"height": 22,
"text": "has",
"conf": 90.81
},
{
"left": 862,
"top": 292,
"width": 99,
"height": 22,
"text": "fallen",
"conf": 90.81
},
{
"left": 983,
"top": 292,
"width": 100,
"height": 28,
"text": "asleep",
"conf": 92.57
},
{
"left": 1102,
"top": 292,
"width": 86,
"height": 22,
"text": "where",
"conf": 92.41
},
{
"left": 1209,
"top": 292,
"width": 31,
"height": 22,
"text": "he",
"conf": 90.62
},
{
"left": 13,
"top": 326,
"width": 164,
"height": 28,
"text": "collapsed,",
"conf": 90.44
},
{
"left": 202,
"top": 327,
"width": 31,
"height": 21,
"text": "at",
"conf": 92.59
},
{
"left": 254,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.17
},
{
"left": 324,
"top": 326,
"width": 66,
"height": 28,
"text": "edge",
"conf": 91.37
},
{
"left": 411,
"top": 326,
"width": 30,
"height": 22,
"text": "of",
"conf": 92.52
},
{
"left": 462,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.7
},
{
"left": 533,
"top": 326,
"width": 98,
"height": 22,
"text": "forest",
"conf": 92.7
},
{
"left": 653,
"top": 332,
"width": 83,
"height": 22,
"text": "among",
"conf": 92.0
},
{
"left": 757,
"top": 326,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.68
},
{
"left": 825,
"top": 326,
"width": 206,
"height": 28,
"text": "wind-gnarled",
"conf": 77.4
},
{
"left": 1053,
"top": 326,
"width": 48,
"height": 22,
"text": "fir",
"conf": 92.84
},
{
"left": 1121,
"top": 327,
"width": 96,
"height": 21,
"text": "trees.",
"conf": 91.35
},
{
"left": 1243,
"top": 326,
"width": 47,
"height": 22,
"text": "His",
"conf": 91.08
},
{
"left": 12,
"top": 366,
"width": 65,
"height": 22,
"text": "open",
"conf": 92.05
},
{
"left": 98,
"top": 360,
"width": 83,
"height": 22,
"text": "mouth",
"conf": 92.26
},
{
"left": 202,
"top": 366,
"width": 83,
"height": 22,
"text": "gapes",
"conf": 92.6
},
{
"left": 306,
"top": 360,
"width": 117,
"height": 22,
"text": "towards",
"conf": 90.24
},
{
"left": 445,
"top": 360,
"width": 49,
"height": 22,
"text": "the",
"conf": 90.24
},
{
"left": 514,
"top": 360,
"width": 79,
"height": 27,
"text": "dawn,",
"conf": 91.95
},
{
"left": 618,
"top": 360,
"width": 48,
"height": 22,
"text": "and",
"conf": 92.56
},
{
"left": 689,
"top": 360,
"width": 152,
"height": 28,
"text": "unearthly",
"conf": 91.36
},
{
"left": 862,
"top": 360,
"width": 99,
"height": 22,
"text": "sounds",
"conf": 92.15
},
{
"left": 984,
"top": 366,
"width": 65,
"height": 16,
"text": "come",
"conf": 92.9
},
{
"left": 1070,
"top": 360,
"width": 66,
"height": 22,
"text": "from",
"conf": 91.26
},
{
"left": 1157,
"top": 360,
"width": 47,
"height": 22,
"text": "his",
"conf": 91.26
},
{
"left": 1225,
"top": 360,
"width": 113,
"height": 22,
"text": "throat.",
"conf": 92.48
},
{
"left": 10,
"top": 395,
"width": 32,
"height": 21,
"text": "At",
"conf": 92.4
},
{
"left": 64,
"top": 394,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.4
},
{
"left": 134,
"top": 394,
"width": 99,
"height": 22,
"text": "sudden",
"conf": 90.06
},
{
"left": 254,
"top": 395,
"width": 65,
"height": 27,
"text": "gust",
"conf": 90.46
},
{
"left": 341,
"top": 394,
"width": 31,
"height": 22,
"text": "of",
"conf": 92.95
},
{
"left": 391,
"top": 394,
"width": 81,
"height": 27,
"text": "wind,",
"conf": 91.2
},
{
"left": 497,
"top": 394,
"width": 49,
"height": 22,
"text": "the",
"conf": 91.21
},
{
"left": 567,
"top": 394,
"width": 99,
"height": 22,
"text": "horses",
"conf": 90.56
},
{
"left": 689,
"top": 394,
"width": 77,
"height": 27,
"text": "stir,",
"conf": 89.29
},
{
"left": 793,
"top": 394,
"width": 168,
"height": 28,
"text": "stretching",
"conf": 92.05
},
{
"left": 983,
"top": 394,
"width": 84,
"height": 22,
"text": "their",
"conf": 90.23
},
{
"left": 1088,
"top": 394,
"width": 116,
"height": 28,
"text": "parched",
"conf": 90.23
},
{
"left": 1225,
"top": 394,
"width": 117,
"height": 22,
"text": "muzzles",
"conf": 91.35
},
{
"left": 12,
"top": 428,
"width": 117,
"height": 22,
"text": "towards",
"conf": 92.03
},
{
"left": 150,
"top": 428,
"width": 49,
"height": 22,
"text": "the",
"conf": 92.49
},
{
"left": 221,
"top": 434,
"width": 60,
"height": 16,
"text": "sea.",
"conf": 91.67
},
{
"left": 305,
"top": 428,
"width": 68,
"height": 28,
"text": "They",
"conf": 91.42
},
{
"left": 393,
"top": 434,
"width": 49,
"height": 16,
"text": "are",
"conf": 91.27
},
{
"left": 462,
"top": 434,
"width": 31,
"height": 16,
"text": "as",
"conf": 89.91
},
{
"left": 514,
"top": 428,
"width": 66,
"height": 22,
"text": "thin",
"conf": 89.91
},
{
"left": 601,
"top": 428,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.09
},
{
"left": 669,
"top": 434,
"width": 67,
"height": 16,
"text": "worn",
"conf": 91.22
},
{
"left": 757,
"top": 434,
"width": 31,
"height": 16,
"text": "as",
"conf": 90.83
},
{
"left": 809,
"top": 428,
"width": 84,
"height": 22,
"text": "their",
"conf": 90.83
},
{
"left": 913,
"top": 429,
"width": 131,
"height": 21,
"text": "masters.",
"conf": 92.17
}
]
}
]
Como Usar un Modelo No-Predeterminado
Para usar un modelo no-predeterminado como tesseract-es (cuyo enfoque es extraer texto en español), debes especificarlo a través del argumento modules al usar el método process:
# procesa el archivo con un modelo no-predeterminado
process_output = pipeline.process(
local_file_path=data_dir + "input/sello.png", # todos los argumentos (salvo modules) son iguales que antes
local_save_directory=data_dir + "output",
expire_time=60 * 30,
wait_for_process=True,
verbose=False,
modules={"ocr": {"model": "tesseract-es"}}, # especifica un modelo no-predeterminado para este proceso
)
La salida del proceso se reproduce con el siguiente código. Aunque la imagen de entrada tiene texto en inglés en vez de español (el idioma del modelo), todos los caracteres del idioma inglés están en el español. Más aún, el modelo extrae texto sin tratar de interpretarlo. Funcionará bien. En cambio, un modelo ROC para el idioma inglés tal vez no funcionaría tan bien para una imagen con texto en español.
Dado que la salida de este modelo/módulo es un archivo JSON, la salida también se incluye en el objeto (esto solo ese el caso para salidas JSON). Además, el archivo de salida se ha guardado en la ubicación indicada bajo process_output_files. El file_id del archivo procesado es el prefijo del nombre del archivo de salida en esta ubicación.
# nítidamente reproduce la salida de este proceso
print(json.dumps(process_output, indent=2))
{
"status_code": 200,
"pipeline": "single_ocr_1",
"request_id": "fec47c22-5f6d-4d69-9c5b-167762d29a71",
"file_id": "649882ac-0e8a-4fdb-85fb-21afe388b453",
"message": "SUCCESS - output fetched for file_id 649882ac-0e8a-4fdb-85fb-21afe388b453.Output saved to location(s) listed in process_output_files.",
"warnings": [],
"process_output": [
{
"text": "The Seventh Seal\n\nThe night had brought little relief from the heat, and at dawn a hot gust of\nwind blows across the colorless sea. The KNIGHT, Antonius Block, lies\nprostrate on some spruce branches spread over the fine sand. His eyes are\nwide-open and bloodshot from lack of sleep.\n\nNearby his squire JONS is snoring loudly. He has fallen asleep where he\ncollapsed, at the edge of the forest among the wind-gnarled fir trees. His\nopen mouth gapes towards the dawn, and unearthly sounds come from his throat.\nAt the sudden gust of wind, the horses stir, stretching their parched muzzles\ntowards the sea. They are as thin and worn as their masters.\n",
"detections": [
{
"left": 10,
"top": 54,
"width": 51,
"height": 22,
"text": "The",
"conf": 90.48
},
{
"left": 81,
"top": 54,
"width": 117,
"height": 22,
"text": "Seventh",
"conf": 90.48
},
{
"left": 220,
"top": 54,
"width": 66,
"height": 22,
"text": "Seal",
"conf": 92.21
},
{
"left": 10,
"top": 122,
"width": 51,
"height": 22,
"text": "The",
"conf": 92.12
},
{
"left": 82,
"top": 122,
"width": 81,
"height": 28,
"text": "night",
"conf": 91.98
},
{
"left": 186,
"top": 122,
"width": 47,
"height": 22,
"text": "had",
"conf": 92.23
},
{
"left": 255,
"top": 122,
"width": 116,
"height": 28,
"text": "brought",
"conf": 92.23
},
{
"left": 395,
"top": 122,
"width": 99,
"height": 22,
"text": "little",
"conf": 90.88
},
{
"left": 518,
"top": 122,
"width": 97,
"height": 22,
"text": "relief",
"conf": 91.56
},
{
"left": 637,
"top": 122,
"width": 65,
"height": 22,
"text": "from",
"conf": 92.14
},
{
"left": 723,
"top": 122,
"width": 48,
"height": 22,
"text": "the",
"conf": 92.14
},
{
"left": 793,
"top": 122,
"width": 77,
"height": 27,
"text": "heat,",
"conf": 90.93
},
{
"left": 896,
"top": 122,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.68
},
{
"left": 965,
"top": 123,
"width": 31,
"height": 21,
"text": "at",
"conf": 92.24
},
{
"left": 1017,
"top": 122,
"width": 66,
"height": 22,
"text": "dawn",
"conf": 92.24
},
{
"left": 1104,
"top": 128,
"width": 13,
"height": 16,
"text": "a",
"conf": 91.17
},
{
"left": 1140,
"top": 122,
"width": 46,
"height": 22,
"text": "hot",
"conf": 91.81
},
{
"left": 1208,
"top": 123,
"width": 65,
"height": 27,
"text": "gust",
"conf": 91.59
},
{
"left": 1295,
"top": 122,
"width": 31,
"height": 22,
"text": "of",
"conf": 91.59
},
{
"left": 10,
"top": 156,
"width": 67,
"height": 22,
"text": "wind",
"conf": 90.08
},
{
"left": 99,
"top": 156,
"width": 82,
"height": 22,
"text": "blows",
"conf": 91.73
},
{
"left": 202,
"top": 162,
"width": 100,
"height": 16,
"text": "across",
"conf": 90.8
},
{
"left": 324,
"top": 156,
"width": 49,
"height": 22,
"text": "the",
"conf": 91.33
},
{
"left": 394,
"top": 156,
"width": 151,
"height": 22,
"text": "colorless",
"conf": 90.55
},
{
"left": 568,
"top": 162,
"width": 59,
"height": 16,
"text": "sea.",
"conf": 93.01
},
{
"left": 652,
"top": 156,
"width": 50,
"height": 22,
"text": "The",
"conf": 91.62
},
{
"left": 723,
"top": 156,
"width": 113,
"height": 27,
"text": "KNIGHT,",
"conf": 92.28
},
{
"left": 860,
"top": 156,
"width": 136,
"height": 22,
"text": "Antonius",
"conf": 91.4
},
{
"left": 1018,
"top": 156,
"width": 95,
"height": 27,
"text": "Block,",
"conf": 91.85
},
{
"left": 1140,
"top": 156,
"width": 64,
"height": 22,
"text": "lies",
"conf": 82.9
},
{
"left": 13,
"top": 191,
"width": 152,
"height": 27,
"text": "prostrate",
"conf": 91.37
},
{
"left": 185,
"top": 196,
"width": 31,
"height": 16,
"text": "on",
"conf": 92.02
},
{
"left": 238,
"top": 196,
"width": 65,
"height": 16,
"text": "some",
"conf": 91.64
},
{
"left": 325,
"top": 196,
"width": 100,
"height": 22,
"text": "spruce",
"conf": 91.83
},
{
"left": 446,
"top": 190,
"width": 133,
"height": 22,
"text": "branches",
"conf": 91.98
},
{
"left": 602,
"top": 190,
"width": 99,
"height": 28,
"text": "spread",
"conf": 92.01
},
{
"left": 723,
"top": 196,
"width": 66,
"height": 16,
"text": "over",
"conf": 92.6
},
{
"left": 809,
"top": 190,
"width": 49,
"height": 22,
"text": "the",
"conf": 93.04
},
{
"left": 880,
"top": 190,
"width": 65,
"height": 22,
"text": "fine",
"conf": 91.36
},
{
"left": 967,
"top": 190,
"width": 77,
"height": 22,
"text": "sand.",
"conf": 92.68
},
{
"left": 1070,
"top": 190,
"width": 47,
"height": 22,
"text": "His",
"conf": 92.28
},
{
"left": 1139,
"top": 196,
"width": 65,
"height": 22,
"text": "eyes",
"conf": 91.88
},
{
"left": 1225,
"top": 196,
"width": 49,
"height": 16,
"text": "are",
"conf": 90.57
},
{
"left": 10,
"top": 224,
"width": 154,
"height": 28,
"text": "wide-open",
"conf": 73.54
},
{
"left": 185,
"top": 224,
"width": 48,
"height": 22,
"text": "and",
"conf": 91.18
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