1
Satoshi Kondo, Tetsuya Itani: Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, April 18, 2006: US07031393 (70 worldwide citation)

A video decoder is connected with a block distortion detector for specifying the boundary of blocks where block boundary occurs, using decoded image data and information of motion vectors, which are supplied from the video decoder; and a block distortion remover for subjecting pixels in the vicinity ...


2
Satoshi Kondo, Tetsuya Itani: Method and apparatus for deinterlacing. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, October 3, 2006: US07116372 (37 worldwide citation)

An apparatus and method for improving the VT filter performance for moving pictures by deinterlacing. A VT filter unit receives data of a deinterlacing target field (field #n) and data of forward and backward fields of the target field (fields #n−1 and #n+1). A difference operation unit receives dat ...


3
Ryoji Suzuki, Tetsuya Itani, Ikuoh Nishida, Satoshi Kato: Video display apparatus and video display method. Matsushita Electric Industrial, Pearne & Gordon, May 1, 2007: US07212218 (12 worldwide citation)

When the combination of the image signal and contents each having various aspect ratios is displayed on the display with various aspect ratios, an image display device that generates a proper display screen with simple operation or automatically is provided. The image display device of the present i ...


4
Hiroki Takamori, Tetsuya Itani: Video signal output apparatus. Matsushita Electric Industrial, J C Patents, August 19, 2008: US07414670 (8 worldwide citation)

A video signal output apparatus is provided. Video format information that can be displayed on a video display apparatus is detected by an I/O unit from an input data. A comparing unit compares the detected video formats with video formats that can be converted by a converting unit, and then common ...


5
Tetsuya Itani: Video signal reproduction apparatus. Matsushita Electric Industrial, Snell & Wilmer L, August 29, 2006: US07099570 (6 worldwide citation)

A video signal reproduction apparatus for receiving an information signal including a video signal and a determination signal indicating a type of the video signal, and reproducing the video signal included in the information signal. The apparatus comprises a conversion section for converting the vi ...


6
Satoshi Kondo, Tetsuya Itani: Image conversion method and image conversion apparatus. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, March 14, 2006: US07012648 (4 worldwide citation)

An image conversion apparatus includes a progressive scanning converter for receiving an input image as a first interlaced scanning image having a field frequency of m (m: integer not less than 2) fields/sec, and converting the first interlaced scanning image into a first progressive scanning image ...


7
Tetsuya Itani: Playback apparatus, program, and playback method. Panasonic Corporation, June 12, 2012: US08200062 (4 worldwide citation)

A playback apparatus including: a Clip information read circuit 5 that reads supplementary information from a recording medium 1, which also includes a video signal, and judges based on the supplementary information whether the video signal is of a first frame frequency or of a second frame frequenc ...


8
Tetsuya Itani: Playback device, computer program, playback method. Panasonic Corporation, November 2, 2010: US07826710 (3 worldwide citation)

A playback device judges whether a connected display device is equipped to display only interlaced video or both interlaced and progressive video. It equipped to display both interlaced and progressive video, a mode setting unit 15 sets an operation mode of the playback device to an image quality mo ...


9
Satoshi Kondo, Tetsuya Itani: Video signal processing method and apparatus. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, March 14, 2006: US07012651 (3 worldwide citation)

A video signal processing method and apparatus eliminates dot crawls and cross color interferences from a component video signal that has been subjected to Y/C separation. Components at a horizontal frequency of 3.58 MHz and a temporal frequency of 15 Hz are extracted from luminance signal data usin ...


10
Keiichi Kuroda, Tetsuya Itani: Repeat field detecting apparatus, video progressive conversion reproducing apparatus, repeat field detecting method, program, and recording medium. Matsushita Electric Industrial, RatnerPrestia, January 29, 2008: US07324157 (2 worldwide citation)

Using an index indicating the amount of motion and noise in the video image calculated on the basis of the discrepancy pixel numbers of image two fields ago and the present image, the reliability of detection result is obtained and utilized, so as to improve the repeat field detection accuracy and t ...