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59 lines
2.5 KiB
Go
59 lines
2.5 KiB
Go
package gosseract
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// PageSegMode represents tesseract::PageSegMode.
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// See https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality#page-segmentation-method and
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// https://github.com/tesseract-ocr/tesseract/blob/a18620cfea33d03032b71fe1b9fc424777e34252/ccstruct/publictypes.h#L158-L183 for more information.
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type PageSegMode int
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const (
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// PSM_OSD_ONLY - Orientation and script detection (OSD) only.
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PSM_OSD_ONLY PageSegMode = iota
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// PSM_AUTO_OSD - Automatic page segmentation with OSD.
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PSM_AUTO_OSD
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// PSM_AUTO_ONLY - Automatic page segmentation, but no OSD, or OCR.
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PSM_AUTO_ONLY
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// PSM_AUTO - (DEFAULT) Fully automatic page segmentation, but no OSD.
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PSM_AUTO
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// PSM_SINGLE_COLUMN - Assume a single column of text of variable sizes.
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PSM_SINGLE_COLUMN
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// PSM_SINGLE_BLOCK_VERT_TEXT - Assume a single uniform block of vertically aligned text.
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PSM_SINGLE_BLOCK_VERT_TEXT
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// PSM_SINGLE_BLOCK - Assume a single uniform block of text.
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PSM_SINGLE_BLOCK
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// PSM_SINGLE_LINE - Treat the image as a single text line.
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PSM_SINGLE_LINE
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// PSM_SINGLE_WORD - Treat the image as a single word.
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PSM_SINGLE_WORD
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// PSM_CIRCLE_WORD - Treat the image as a single word in a circle.
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PSM_CIRCLE_WORD
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// PSM_SINGLE_CHAR - Treat the image as a single character.
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PSM_SINGLE_CHAR
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// PSM_SPARSE_TEXT - Find as much text as possible in no particular order.
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PSM_SPARSE_TEXT
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// PSM_SPARSE_TEXT_OSD - Sparse text with orientation and script det.
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PSM_SPARSE_TEXT_OSD
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// PSM_RAW_LINE - Treat the image as a single text line, bypassing hacks that are Tesseract-specific.
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PSM_RAW_LINE
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// PSM_COUNT - Just a number of enum entries. This is NOT a member of PSM ;)
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PSM_COUNT
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)
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// SettableVariable represents available strings for TessBaseAPI::SetVariable.
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// See https://groups.google.com/forum/#!topic/tesseract-ocr/eHTBzrBiwvQ
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// and https://github.com/tesseract-ocr/tesseract/blob/master/ccmain/tesseractclass.h
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type SettableVariable string
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// Followings are variables which can be used for TessBaseAPI::SetVariable.
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// If anything missing (I know there are many), please add one below.
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const (
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// TESSEDIT_CHAR_WHITELIST - Whitelist of chars to recognize
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// There is a known issue in 4.00 with LSTM
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// https://github.com/tesseract-ocr/tesseract/issues/751
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TESSEDIT_CHAR_WHITELIST SettableVariable = "tessedit_char_whitelist"
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// TESSEDIT_CHAR_BLACKLIST - Blacklist of chars not to recognize
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// There is a known issue in 4.00 with LSTM
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// https://github.com/tesseract-ocr/tesseract/issues/751
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TESSEDIT_CHAR_BLACKLIST SettableVariable = "tessedit_char_blacklist"
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)
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