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| Number | Title | Issue Date |
| 7283174 | Video signal processing apparatus, video signal processing method and video source determining method There is provided a video signal processing apparatus that makes it possible to realize a favorable display of pictures by increasing the detection accuracy of the video source of an input video signal and by using an appropriate scanning method for an output video ... | 10/16/2007 |
| 7236207 | System and method of transmission and reception of progressive content with isolated fields for conversion to interlaced display Systems and methods of coding progressive content with isolated fields for conversion to interlaced display are provided. Some systems and methods may find use in, for example, digital video compression systems and methods. Film material may be encoded as video mate... | 06/26/2007 |
| 7075581 | Interlaced-to-progressive scan conversion based on film source detection A method for deinterlacing a video signal is disclosed. Frame differences are calculated, a scene change threshold is determined based on the frame differences, a scene change is detected based on the frame differences and the scene change threshold, a stationary mo... | 07/11/2006 |
| 6965414 | Apparatus for detecting telecine conversion method of video signal A telecine conversion method detecting apparatus which determines that an input video signal is a telecine converted video signal generated from a movie film in accordance with a 2-3 pull-down method when detecting that an inter-frame difference accumulated value of... | 11/15/2005 |
| 6930729 | Apparatus and method for deleting sawtooth wave An apparatus and method for processing a video signal, and particularly, an apparatus and method for deleting a sawtooth wave are provided in which a sawtooth wave component is detected and with consideration of direction the sawtooth wave is deleted. The sawtooth w... | 08/16/2005 |
| 6894726 | High-definition de-interlacing and frame doubling circuit and method A combined de-interlacing and frame doubling system (114, 114′ and 114″) advantageously serves to de-interlace successive lines of Present Field Video data at twice the field rate to yield an output bit stream suitable for display on display device... | 05/17/2005 |
| 6791621 | Image processing apparatus and method and signal switching output device A line doubling processing system has an input signal switching output section for receiving sequential input fields and for outputting, based on the sequential input fields, a plurality of fields obtained from the same image, and a line doubling device for generati... | 09/14/2004 |
| 6509933 | Video signal converting apparatus Whether or not an input video signal is an video signal telecine-converted is decided on the basis of correlation values between an interpolated field and fields located one-field-period before and after the interpolated field. Where the interpolated fiel... | 01/21/2003 |
| 6449015 | Redundant picture detecting device, and picture converting apparatus employing the same A redundant picture detecting device includes: a calculator for calculating difference information indicating a difference between a unit picture and a subsequent unit picture having an identical phase for each of the unit pictures; a multiplier for multi... | 09/10/2002 |
| 6411341 | Adaptive picture delay Image information is stored into a memory device (FMORG) which is controlled in such a manner that only image information from a movement phase different from the movement phase of the image information already stored in the memory device (FM | 06/25/2002 |
| 6297848 | Low-delay conversion of 3:2 pulldown video to progressive format with field averaging A method and apparatus for low-delay conversion of 3:2 pulldown video to progressive format with field averaging is disclosed. The method considers 3:2 pulldown interlaced video that represents a four-frame motion picture film sequence as a ten-field inte... | 10/02/2001 |
| 6266092 | Method and apparatus for video line multiplication with enhanced sharpness A method of de-interlacing used to convert an interlaced video signal to a progressively scanned format utilizing vertical temporal filtering to generate the missing lines, utilizing appropriate filter coefficients to give a desired vertical frequency res... | 07/24/2001 |
| 6262773 | System for conversion of interlaced video to progressive video using edge correlation A system processes an image containing a first line and a second line, where the first and second lines includes a plurality of pixels, to generate an interpolated line. The system selects a first and second set of pixels from the lines and generates a fi... | 07/17/2001 |
| 6154257 | Method for identifying input video signal and processing the video signal A first correlation between a present field of an input video signal and a one-field preceding field, and a second correlation between the present field and a one-field succeeding field are detected. The first correlation and the second correlation are co... | 11/28/2000 |
| 6118491 | System and method for enforcing interlaced field synchronization in the presence of broken alternation in an MPEG video datastream A system and method for synchronizing a decoded, interlaced-field data stream with an interlaced field display. A system for displaying an MPEG encoded data stream includes an MPEG decoder which converts the encoded data stream into a sequence of frames. ... | 09/12/2000 |
| 5982444 | Encoding method and apparatus for encoding edited picture signals, signal recording medium and picture signal decoding method and apparatus A picture signal encoding method in which a picture string produced by converting non-interlaced pictures into sets of field pictures each beginning from the first field of each interlaced picture and another picture string produced by converting non-inte... | 11/09/1999 |
| 5864368 | Picture signal editing and encoding method and apparatus, signal recording medium and picture signal decoding method and apparatus A picture signal encoding method in which a picture string produced by converting non-interlaced pictures into sets of field pictures each beginning from the first field of each interlaced picture and another picture string produced by converting non-inte... | 01/26/1999 |
| 5852473 | 3-2 pulldown detector A 3-2 pulldown detector for a video compression encoder initially converts each frame of an input video signal that includes converted film material as well as original video material into top and bottom fields. Consecutive fields from the top and bottom ... | 12/22/1998 |
| 5734435 | Video processing to convert between field rates A method for converting between relatively dose field rates of perhaps 60 Hz and 59.94 Hz, monitors the phase difference between input and output field rates. Initially, output fields are created by synchronising input fields. As the measured phase passes... | 03/31/1998 |
| 5625421 | Suppression of sawtooth artifacts in an interlace-to-progressive converted signal Jagged vertical or diagonal transition artifacts in interlaced to line doubled progressive scan converted television signals are detected and areas of the television picture having such artifacts are subjected to vertical averaging such that the resolutio... | 04/29/1997 |
| 5596371 | Film-mode video line-doubler motion detectors For large screen video displays using line-doubling to reduce scan line visibility, where a video source signal in standard interlaced format such as NTSC is converted to line-doubled non-interlaced format for progressively scanned display, visible motion... | 01/21/1997 |
| 5537157 | Multi-format audio/video production system An audio/video production system facilitates professional quality image manipulation and editing using an enhanced general-purpose hardware. A program input may be translated into any of a variety of graphics or television formats, including NTSC, PAL, SE... | 07/16/1996 |
| 5461420 | Apparatus for coding and decoding a digital video signal derived from a motion picture film source A method for coding an input video signal with a field rate of 60 Hz derived from a motion picture film source using 2-3 pulldown. In the method, duplicate fields are detected in the input video signal. Each duplicate field is eliminated from the input vi... | 10/24/1995 |
| 5446497 | Method and apparatus for processing an input 60 field/second video signal generated by 3232 pulldown to produce an output video signal A method of processing an input 60 field/second video signal generated by 3232 pulldown to produce an output video signal, comprises producing from the input signal a series of progressive scan format frames, each frame corresponding to a respective one o... | 08/29/1995 |
| 5428399 | Method and apparatus for image translation with improved motion compensation Images may be stored on film or on one of the TV/video standards. Film comprises a sequence of frames each of which corresponds to the same point in time. Video, however, comprises a sequence of frames each comprising an interlace of 2 fields which succes... | 06/27/1995 |
| 5418572 | Method of and apparatus for displaying images at different rates A method of and apparatus for displaying an image clip comprising a plurality of image frames on an electronic monitor includes separating each image frame from the next image frame by an overscan period. In this way image frames captured at a first frame... | 05/23/1995 |
| 5347314 | Video scan converter A video scan converter includes an input for receiving a video signal at a first scan rate, an output for providing a video signal at a second scan rate and a main path leading between the input and the output. The main path includes a scan line interpola... | 09/13/1994 |
| 5343241 | Digital video signal with increased motion blur characteristic An input digital video signal representing a series of input frames is processed to produce an output digital video signal representing a series of output frames with an increased motion blur effect. For each output frame at least one intermediate field o... | 08/30/1994 |
| 5291280 | Motion detection between even and odd fields within 2:1 interlaced television standard A motion detector generates a field motion detection signal from information contained in adjacent fields of a two-to-one interlaced format video signal. The motion detector comprises an input for receiving the video signal from a source, a first delay fo... | 03/01/1994 |
| 5243433 | Digital image interpolation system for zoom and pan effects A video image alteration apparatus is described that separates the vertical and horizontal aspects of image alteration. Pixels relating to an input image derived from a frame of film are sampled at a predetermined rate related to a film scanning speed and... | 09/07/1993 |
| 5221966 | Video signal production from cinefilm originated material A system for converting an input television signal that contains field sequences corresponding to frames in cine film is provided. The input signal is converted into an intermediate television signal wherein there is a direct correlation between the field... | 06/22/1993 |
| 5115311 | High resolution translation of images A method of and translator for translating a series of groups of video fields into a new series of groups of video fields, where each group represents lines of a single image at a single point in time of a moving picture. A representation of each of a ser... | 05/19/1992 |
| 5016101 | Video signal to photographic film conversion Apparatus for converting a video signal to a photographic film image comprises a television standards converter for deriving from an input video signal, which may be a high definition video signal, a motion compensated digital video signal corresponding t... | 05/14/1991 |
| 5014128 | Video interface circuit for displaying capturing and mixing a live video image with computer graphics on a video monitor A video interface circuit for displaying the output of a video camera on a video monitor of the type used for displaying computer output data. In a first mode of operation, data from a video camera is stored in a first video memory while data previously s... | 05/07/1991 |
| 4982280 | Motion sequence pattern detector for video A motion sequence pattern detector detects a periodic pattern of motion sequences within a succession of video fields, such as film mode or progressive scan mode and comprises a motion detector for detecting the presence of motion from increment to increm... | 01/01/1991 |
| 4959715 | Method and apparatus for converting an interlaced television transmission to a sequential display using maximum likelihood estimation A method and apparatus for detecting a maximum vertical frequency component in a received interlaced transmission and substituting therefore, a uniform zero vertical frequency component in order to form a sequential scan display without introducing motion... | 09/25/1990 |
| 4941045 | Method and apparatus for improving vertical definition of a television signal by scan conversion Scan conversion apparatus for improving the vertical resolution of a television image for display comprises a field store for storing the previously transmitted field and a line store for storing video data representative of the previous line including th... | 07/10/1990 |
| 4937667 | Method and apparatus for processing picture signals having interlaced field scanning With interlaced field scanned TV, a point (P) in a field at time (t+1) is determined on the basis of points situated in said field on the same vertical (C and D), and from points situated in the fields which are adjacent in time (t and t+2). The invention... | 06/26/1990 |
| 4935815 | Scanconverter system with superimposing apparatus A scanconverter system with a superimposing apparatus for converting an interlaced video signal to a non-interlaced video signal and forming desired image data by superimposing a computer-generated image on another image reproduced from a laser disc or th... | 06/19/1990 |
| 4916541 | Picture processor A picture processor comprising a memory array for storing video data involving at least one picture frame and a line buffer memory for processing at a high rate video signals included in one scan line of picture frame.... | 04/10/1990 |
