Motoki Onuma

Learn More
This paper presents a model and its effect for on-line handwritten Japanese text recognition free from line-direction constraint and writing format constraint such as character writing boxes or ruled lines. The model evaluates the likelihood composed of character segmentation, character recognition, character pattern structure and context. The likelihood of(More)
This paper describes an on-line handwritten Japanese text recognition method that is liberated from constraints on writing direction (line direction) and character orientation. This method estimates the line direction and character orientation using the time sequence information of pen-tip coordinates and employs writingbox-free recognition with context(More)
This paper discusses online handwriting recognition of Japanese characters, a mixture of ideographic characters (Kanji) of Chinese origin, and the phonetic characters made from them. Most Kanji character patterns are composed of multiple subpatterns, called radicals, which are shared among many (sometimes hundreds of) Kanji character patterns. This is(More)
This paper presents a method for writing-box-free online handwritten text search. It searches for a target keyword in the lattice composed of candidate segmentations and candidate characters. By considering the accuracy of the recognition method and the length of the keyword, the method decreases noises to be output from the lattice effectively. When the(More)
This paper presents a formalization of an on-line writing-box free, line-direction free handwritten Japanese text recognition and its effect. By normalizing character orientation, even text of arbitrary character orientation can be recognized. The method evaluates the likelihood composed of character segmentation, character recognition, character pattern(More)
This paper describes prototyping of a form processing system employing dot texture for printing input frames of the form. The dot texture is the texture composed of small dots. It eases the separation of handwritings from the input frames even under monochrome printing/reading environments and makes the system to process the handwritings according to the(More)
This paper describes an on-line handwritten Japanese text recognition system that is liberated from constraints on line direction and character orientation. The recognition system first separates freely written text into text line elements, second estimates the line direction and character orientation using the time sequence information of pen-tip(More)
  • 1