101 People - 4,538 Images Japanese Handwriting OCR Data

Japanese handwriting

OCR

A4 paper

scanner

character-level rectangular bounding box annotation

text transcription

writing

hand

script

calligraphy

penmanship

longhand

graphology

scrawl

scribble

manuscript

autography

chirography

autograph

pencraft

fist

penscript

scription

writings

cursive

hieroglyphics

write

lettering

manuscription

shorthand

chicken

scratch

scratching

handwritten

printing

copperplate

griffonage

handwrite

letter

scrivenery

scrivening

calligraph

cuneiform

scripts

signature

book

cursive

script

handwritings

inscription

pen

running

hand

steno

undersignature

notation

autographing

calligraphic'

101 People - 4,538 Images Japanese Handwriting OCR Data. The text carrier is A4 paper. The dataset content includes social livelihood, entertainment, tour, sport, movie, composition and other fields. For annotation, character-level rectangular bounding box annotation and text transcription and line-level rectangular bounding box annotation and text transcription were adopted. The dataset can be used for tasks such as Japanese handwriting OCR.

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Specifications

Data size

101 people, 4,538 images

Collecting environment

A4 paper

Device

scanner

Photographic angle

eye-level angle

Data format

the image data format is .jpg, the annotation file format is .json

Data content

including social livelihood, entertainment, tour, sport, movie, composition and other fields

Annotation content

character-level rectangular bounding box annotation and text transcription; line-level rectangular bounding box annotation and text transcription

Accuracy

the error bound of each vertex of rectangular bounding box is within 3 pixels, which is a qualified annotation, the accuracy of bounding boxes is not less than 97%; the characters transcription accuracy is not less than 97%

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