1
Miyuki Enokida, Tadashi Yoshida, Kunihiro Yamamoto: Information processing method and apparatus for displaying a list of a plurality of image data files and a list of search results. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 1, 2002: US06335746 (72 worldwide citation)

A file system has a hierarchical tree structure in which directories and files are placed under another directory. According to the hierarchical tree structure, the data of one image is assigned to one file and a group of image data is assigned a common directory name. A program for managing the ima ...


2
Tadashi Yoshida: Image forming apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 27, 1984: US04439790 (59 worldwide citation)

An image forming apparatus capable of eliminating unnecessary images other than the original image has a solid-state scanning device for reading an original and providing corresponding image information, a recording unit for recording on a recording sheet according to said image information, identif ...


3
Katsuhito Dei, Yoshinobu Mita, Tadashi Yoshida, Naoto Kawamura: Image data conversion system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 14, 1989: US04805013 (55 worldwide citation)

An image data conversion system has a RAM for storing a data conversion table, a CPU for calculating the data conversion table by parameters received from a ROM, input devices for supplying new parameters when the table content must be changed, and data selectors. Desired image data conversion, such ...


4
Tadashi Yoshida: Color image processing apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 13, 1987: US04700399 (53 worldwide citation)

A color image processing apparatus comprises a detector for detecting an edge of an image and a control unit for controlling a black reproduction quantity for the edge in accordance with an output of the detector.


5
Akihiro Katayama, Tadashi Yoshida, Yasuji Hirabayashi, Mitsuru Maeda: Method and apparatus for image encoding in which reference pixels for predictive encoding can be selected based on image size. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 4, 1992: US05086487 (45 worldwide citation)

There is disclosed an image encoding system in which a size of an image to be encoded is inputted, reference pixel positions or the number of reference pixels are determined in accordance with an input image size, and a noticed pixel is encoded by using reference pixels of the determined pixel posit ...


6
Tadashi Yoshida: Image recording apparatus utilizing linearly arranged recording elements. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 25, 1987: US04689694 (45 worldwide citation)

There is disclosed a recording apparatus with plural light-emitting elements. The elements are divided into plural groups, and in each group plural light-emitting elements receive image signals simultaneously to improve print quality in relation to subsidiary scanning. Also each light-emitting eleme ...


7
Tadashi Yoshida, Naoto Kawamura, Yoshihiro Ishida, Yasuji Hirabayashi, Mitsuru Maeda: Method and apparatus for encoding frequency components of image information. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 10, 1992: US05162923 (40 worldwide citation)

An image encoding method, and an apparatus therefor, enabling rapid comprehension of the outline of the entire image promptly, at the decoding of the encoded image information, and also an image encoding method, and an apparatus therefor, capable of efficient encoding adapted for the state of the im ...


8
Yasuji Hirabayashi, Mitsuru Maeda, Tadashi Yoshida, Akihiro Katayama: Image reducing apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 11, 1992: US05138672 (35 worldwide citation)

An image reducing apparatus for obtaining a reduced image from an image of an original size has: a filter to execute a filtering process to the image of the original size every image block of a predetermined size; a discriminating circuit to discriminate a structure of the image block filter process ...


9
Yasuji Hirabayashi, Tadashi Yoshida, Hiroshi Kajiwara: Apparatus and method for image data encoding. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 8, 2000: US06101282 (34 worldwide citation)

An image processing apparatus entropy encodes plural encoding target data by using a first entropy encoding table to provide respective data amounts of plural encoded data and compares the data amounts of plural encoded data with each other. One of the plural encoding target data is selected accordi ...


10
Yoshikazu Yokomizo, Takehiko Shibata, Katsuichi Shimizu, Ken Miyagi, Akira Suzuki, Tadashi Yoshida, Masaharu Tsukata, Koichi Murakami, Nao Nagashima: Apparatus for processing video signals. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 14, 1985: US04517606 (33 worldwide citation)

A video signal processing apparatus for encoding video into binary signals employs dither coding. The apparatus comprises a device for setting a plural number of divided areas of an original image and a processing circuit for processing video signals corresponding to the respective divided areas usi ...