Abstract: First and second division patterns are defined so that main areas A and A? are similar to each other in shape, having the same horizontal-to-vertical ratio. Even if an image output apparatus is connected to a display unit having both first and second display screens, the image output apparatus generates an identical image for the main area A or A? regardless of the aspect ratio of the display screen. The main areas A and A? display important information and the like. Sub areas B and B? display auxiliary information. The first and second division patterns may be determined so that the sub areas B and B? are similar to each other in shape like the main areas.

Abstract: There is provided a video output apparatus which inputs a video content that can have at least three different resolutions. A format detector detects an alteration of a resolution of a video content. A scaling processor scales up the video content at a set scale ratio. Upon detection of an alteration of the resolution, the format detector selects one of a plurality of supplemental video pictures, which are prepared in advance in a memory, in accordance with the degree of decrease of the resolution after the alteration to that before the alteration. An image composition unit controls a display unit to display the supplemental video picture together with a video associated with the video content via a video display unit.

Abstract: A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal. A transmission relay circuit relays the signal from the interface panel to a broadcast network, and preferably including a broadcast signal detection circuit, and a signal processing circuit. The detection circuit determines a signal type of the broadcast signal, and the signal processing circuit processes the determined signal type. The system preferably further includes an operations control station displaying the determined type of broadcast signal.

Abstract: Field order in a sequence of video frames is determined based on magnitude or relative motion of a motion vector between a bottom field of a current frame and a top field of a next frame, and magnitude or relative motion of a motion vector between a top field of the current frame and a bottom field of the next frame. Field order of two interlaced frames of a video sequence is determined by assembling two new frames from the two interlaced frames by combining a bottom field of the first frame with a top field of the second frame and by combining a top field of the first frame with a bottom field of the second frame. The field order is top field first if the number of zipper points in the first new frame is smaller than the number of zipper points in the second new frame.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A processor, such as a TV processor, determines which one of at least two audio-video components is sending signals to a TV for display. Based on the determining act, the processor establishes a color of a bezel of the TV.

Abstract: An interface is realized that can prevent video signals from being copied easily and which uses a luminance/color difference signal transmission scheme with an excellent harmony with a television circuit. In a video transmission using a digital interface, colorimetry information for defining the conversion from the luminance/color difference signal into a primary color signal and video aspect ratio information are transmitted along with the luminance/color difference type video signal. This allows reproduction of video with high quality and high resolution and also realizes a copyright protection which allows only the users authorized by key information to use the content of the video. With this transmission scheme, it is possible to provide a transmitting apparatus, a receiving apparatus and an interface which highly harmonize with a rationalized television-based circuit.

Abstract: An adaptive compensation system for aspect ratio conversion. Video information, intended for her first aspect ratio display, e.g. the standard NTSC aspect ratio, is processed to determine additional information that can enable that video to be displayed and fill a wider aspect ratio screen. The processing can be a calculation which calculates, for example, texture, color and/or brightness of the edge portions, and automatically calculates video information to match the texture, brightness or color. The processing can be a database lookup, which automatically looks up likely portions from a database. The processing can also be an adaptive determination of what vertical portions of the image can be stretched without affecting the viewability, and then an adaptive stretching of different portions by different amounts.

Abstract: The present invention relates to a video processing method and apparatus capable of performing a proper video process corresponding to various color systems. A decoder extracts color information from a received video signal including vertical synchronous information for a vertical scanning frequency of a picture, color information of the picture, and frequency information corresponding to the color information. A frequency evaluator evaluates the received vertical scanning frequency and the received frequency of the video signal color information on the basis of the vertical synchronous information and the frequency information of the color information.

Abstract: In cases where a video signal cannot be normally received, a display apparatus allows a display by which one can recognize whether or not a jamming electric wave in an operation frequency band used for wireless communication makes it impossible to normally receive a video signal. More specifically, the display apparatus is a display apparatus for receiving at least a video signal by wireless communication, the display apparatus, including a wireless receiving unit for receiving the video signal that is wirelessly transmitted; a jamming signal detecting unit for detecting, in an operating frequency band used for the wireless communication, a jamming signal other than the video signal; and a jamming signal information outputting unit for, in response to the detection of the jamming signal, outputting jamming signal information indicating presence of the jamming signal.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A device for updating component of application software in a digital broadcasting signal receiver and a method thereof. A storage section stores executing data for executing application software that produces a user interface of the digital signal receiver. A program specific information/service information extracting section extracts program specific information/service information (PSI/SI) from a received digital broadcasting signal. An updating data extracting section extracts updating information for partially updating the application software from the program specific information/service information, and extracts updating data for updating the application software from the digital broadcasting signal according to the updating information in order to update the executing data stored in the storage section to the extracted updating data. An application software section updates and executes the application software according the updated executing data.

Abstract: An auto-detection circuit for detecting video signals includes a reception end for receiving a video signal, a synchronization signal detector coupled to the reception end for generating a waveform according to voltage variation of the video signal, a peak value detector coupled to the synchronization signal detector for determining peak value of the wave form, a direct current voltage level switch coupled to the peak value detector for switching output voltage as first direct current voltage level or second direct current voltage level, and an output end coupled to the direct current voltage level switch for outputting the output voltage.

Abstract: A display control device is provided for specifying a notable scene in content based on characteristic data included in one of video data and audio data of the content to be reproduced. A predetermined scene in the content is detected, based on an evaluation value, and a related image is displayed, in response to the detection of the notable scene in the content. A related image with a predetermined size based on an image of the notable scene may be presented to a display.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A downstream bandwidth output level and/or output level tilt compensation device that can be inserted into a signal transmission line of a CATV system on a premise of a user. The device includes a tuner that identifies low and high band signal channels, and a channel analyzer that determines a format of each of those channels. A signal measurement measures low and high band signal strengths. An offset circuit adds or subtracts an offset value to the low and/or high band channel signal strengths depending on whether the respective channel is analog or digital. A microprocessor compares the low and high band signal strengths, including any offset values, to a predetermined signal strength loss curve. A variable output level compensation device and a variable slope adjusting circuit are provided to amplify and adjust the gain slope of the downstream bandwidth.

Abstract: Systems and methods for the processing of images over bandwidth-limited transmission interfaces, such as processing of high resolution video images over standard analog video interfaces, using multi-stream and/or multi-resolution analog methodology. The disclosed systems and methods may also be implemented to provide video resolutions across standard analog video interfaces in a manner that supports digital capture and imaging techniques obtain useful information from digitally zoomed and enhanced video.

Abstract: A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal. A transmission relay circuit relays the signal from the interface panel to a broadcast network, and preferably including a broadcast signal detection circuit, and a signal processing circuit. The detection circuit determines a signal type of the broadcast signal, and the signal processing circuit processes the determined signal type. The system preferably further includes an operations control station displaying the determined type of broadcast signal.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A set-box (SBB) is advanced into a receptacle on the rear of a TV to add functionality to the TV. Digital video information is conveyed from the SBB to the TV using respective HDMI connectors on the SBB and TV that mechanically engage each other, whereas bi-directional control information is passed wirelessly between the SBB and TV.

Abstract: Gradient analysis may be utilized to determine frame and field repeat patterns in input video data. Those frame and field repeat patterns may then be analyzed to match them with characteristic patterns associated with telecine 3:2 and 2:2 pulldown video data, for example. In addition, a progressive detector may use combing analysis to determine whether or not a particular field is progressive or interlaced data. Then, this information, together with a field flag which indicates whether field or frame analysis is appropriate, may be utilized to distinguish telecine 2:2 or 3:2 pulldowns and interlaced and progressive data in some embodiments.

Abstract: Various embodiments include an apparatus and a method to secure protected digital document content from tampering by their user, such as unauthenticated use or use violating a policy of the digital document. The digital document file can be transferred from a network node such as a web site server to a digital appliance, such as a computer, in encrypted form. The digital document file can be resident already on a device, and/or be transferred into a device that is connected to the digital appliance. The device (hereafter a DRM device) can internally store the digital document or part of the document. The DRM device may decrypt the digital document when requested to do so. The device may further format the content for usage, for example, convert text into its graphic bitmap representation. Device formatting can include sending plain text data to the digital appliance. The device may further process degradation to the resulted file, for example, reduce the resolution of the graphic representation.

Abstract: An adaptive compensation system for aspect ratio conversion. Video information, intended for her first aspect ratio display, e.g. the standard NTSC aspect ratio, is processed to determine additional information that can enable that video to be displayed and fill a wider aspect ratio screen. The processing can be a calculation which calculates, for example, texture, color and/or brightness of the edge portions, and automatically calculates video information to match the texture, brightness or color. The processing can be a database lookup, which automatically looks up likely portions from a database. The processing can also be an adaptive determination of what vertical portions of the image can be stretched without affecting the viewability, and then an adaptive stretching of different portions by different amounts.

Abstract: A method consistent with certain embodiments of identifying a functional command set for an access device that accesses television programming provided by a service provider at a control device involves transmitting a first command from a first command set of a group of possible command sets for the access device to the access device. The first command includes a command that is expected to cause the access device to generate a text containing video frame. A determination is made as to whether the extracted text corresponds to the first command set. The first command set is identified as the functional command set for the access device in response to determining that the extracted text corresponds to the first command set. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Abstract: A system and method for bad weave detection for inverse telecine. To detect a bad weave artifact, the number of reversals of the difference polarity between successive lines within a column of samples is counted. The count of the number of reversals of the difference polarity is referred to as the polarity change count. In the execution phase, the polarity change count can be used by a bad weave detector to take a system out of lock. The polarity change count can also be used during the detection phase to detect a particular cadence.

Abstract: A display system adaptable to changes in video signals and a method thereof display a video signal, which has a first display aspect ratio, in a display system, which has a second display aspect ratio. The display system includes a receiving unit for receiving the video signal, a detecting unit for detecting the first display aspect ratio of the video signal and a comparing unit for comparing the first display aspect ratio with the second display aspect ratio according to the first display aspect ratio detected by the detecting unit, and determining whether at least one covering structure is enabled in the display system so as to show the video signal corresponding to the display system.

Abstract: A set-back box (SBB) includes a digital TV signal receiver. The SBB can be connected via a HDMI cable to a TV having only an analog TV signal receiver so that digital TV signals from the SBB can be displayed on the TV screen. The TV processor recognizes the SBB and in effect treats the digital receiver of the SBB as its own, such that a single remote control can be used to control both analog channel selection within the TV and digital channel selection within the SBB.

Abstract: A broadcast receiving apparatus, and method, for capturing a broadcast signal, the apparatus including a signal processor to receive broadcast signals and process the broadcast signals, a controller to capture a certain frame data from the broadcast signals processed by the signal processor, check an input resolution of the broadcast signals, and decide whether to perform a down-scaling with respect to the captured frame data, a down-scaler to down-scale the frame data which is decided by the controller to be down-scaled, and a storage unit to store the down-scaled frame data. Accordingly, an image can be captured and a captured frame data can be stored without being degraded, preventing memory consumption.

Abstract: A content output device identifies a set of content including both high definition content and standard definition content. The content output device determines whether an associated presentation device is capable of presenting high definition content. The content output device then filters the set of content accordingly responsive to determining whether the presentation device is capable of presenting high definition content.

Abstract: In order to accurately display information on the format of different signals from respective different signal source apparatuses as an image, the output signals of analog signal sources are supplied through an interface, signal lines and other interfaces to an analog signal processing circuit. Also, output signals of digital signal sources and output signals of information generating circuits are synthesized by multiplexers and supplied to a demultiplexer through interfaces, buses and an interface. The signals from the separated signal sources are processed in a digital signal processing circuit. The signals from the separated generating circuits are supplied to an information processing circuit, so that an image corresponding to the information indicating the format of the apparatus and/or the output signal is formed, and is synthesized with the signals from the signal processing circuits to be supplied to a monitor.

Abstract: A channel scanning method is provided that is performed by a digital broadcast receiver having a plurality of tuners. The channel scanning method includes determining whether channel data exists in a channel, and if channel data exists in the channel, storing information regarding the channel obtained by parsing the channel data, and moving ahead by a number of channels corresponding to the number of tuners included in the digital broadcast receiver.

Abstract: A picture display technique carries out an adjustment of image quality of an inputted picture signal in response to a type of the inputted picture signal, e.g., a type of a first picture signal into which a second picture signal, having fewer scanning lines than that of the first picture signal, is converted, and an original type of the first picture signal, and then displays a picture of an adjusted picture signal on a display device. Further, the adjustment of the picture quality may include at least one of hue correction of the inputted picture signal in a certain hue range and chroma correction of the inputted picture signal in a certain chroma range. The adjustment of the picture quality may also include a contour correction of the inputted picture signal.

Abstract: A detection system and method for detecting received video signal type within a video device. The video device comprises a plurality of signal receivers; the signal receiver is used for receiving a signal, wherein each of the signal receivers receives one type of the corresponding video signal. First, the video device receives the signal, wherein the receivers receives a signal, directly detects one of the signal receivers which is carrying the video signal, and determines the type of the video signal being inputted to the signal receiver; and finally sending the video signal to an image processor for image processing.

Abstract: A video format identification system includes a master clock circuit which provides timing and counting signals, a synchronization activity detector operatively coupled to the master clock circuit, and a synchronization width qualifier configured to filter out noise or reference burst signals from showing up as sync signals. The system also includes a synchronization detector which regulates the rate of the incoming sync signal, a color burst sampler providing a window for sampling a reference color burst after the sync signal has occurred, and a color burst detector which looks for at least three transitions from a burst signal before it qualifies the as an appropriate reference color burst. A format sample timer generates sample clock signals. A format sample counter produces “take format” signals which are utilized by a set of format counter. The system further includes a video format identifier which enables a particular video format to be directed to a respective video connector.

Abstract: The present invention is generally directed to automated methods and systems for converting image streams having a first frame rate to a second frame rate without the need for user intervention. Embodiments of the present invention obviate the effects of processing of a telecine process. In one embodiment, where frames are encoded by a single video field, a statistical analysis of the differences between adjacent frames reveals a telecine pattern, thereby identifying which frames to remove. In another embodiment, where frames are encoded by even and odd video fields, which are interleaved to produce the frame, a statistical analysis of the differences between adjacent fields reveals the telecine pattern, identifies which frames to remove, and identifies frames that are candidates for re-interleaving.

Abstract: A method and an apparatus for judging video modes are provided. The method compares the values of the corresponding pixels of two consecutive frames in a video data to obtain a difference value between the two frames and then all of the difference values between any two consecutive frames are collected to form a difference value sequence. The difference value sequence is further amplified by a high pass filter and then compared with a threshold value. The comparison result is provided for successively judging the movie mode of the video data. Since the amplified signal values are suitable for emphasizing the difference of each frame, the provided method is capable of more correctly identifying the movie mode of the original video data, which further eliminates the drawback in the prior art that it is hard to determine the threshold value or to judge the movie mode thereof.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A video standard detector and operation method thereof are provided. The video standard detector includes a low pass filter (LPF) unit and a standard detector unit. The LPF filters a baseband signal. The feature detector detects vertical synchronization information of the baseband signal and horizontal synchronization information of the baseband signal using the output of the LPF, and determines the video standard corresponding to the baseband signal according to the vertical synchronization information and the horizontal synchronization information.

Abstract: A video apparatus includes a processor for processing a video signal included in an input signal, a detector for detecting a vertical synchronizing interval of a synchronizing signal included in the input signal, a data saver for saving data for each vertical resolution of the video signal, the data being set in the processor for processing the video signal of the vertical resolution, and a controller for reading data from the data saver depending on the vertical resolution of the video signal, setting the read data in the processor, deriving a horizontal resolution of the video signal based on the vertical synchronizing interval detected by the detector, and changing the data set in the processor based on the derived horizontal resolution.

Abstract: Disclosed herein is a display driving signal processor and a display apparatus. A display driving signal processor includes: input means; number-of-horizontal pixels converting means; second clock generating means; and output means. A display apparatus includes: an image displaying portion; input means; number-of-horizontal pixels converting means; second clock generating means; and output means.

Abstract: A programmable fractional phase-locked loop for generating a 148.50000 MHz high-definition television reference clock and a 148.35164 MHz high-definition reference clock from a 27 MHz crystal is disclosed. To generate the 148.50000 MHz reference clock, the fractional phase-locked loop is multiplied by 11/2, and to generate the 148.35164 MHz reference clock, the fractional phase-locked loop is multiplied by 500/91. Inside the fractional-phase locked loop however, the fraction 11/2 is represented by a denominator that is an integral power of 2, and the fraction 500/91 is represented by a denominator that is an integral multiple of 91.

Abstract: Video data is processed. A first high definition program stream is received that includes a first high definition video stream component. A first standard definition program stream is derived from the high definition program stream. A second standard definition is received having been derived from the first standard definition program stream. A second high definition program stream is derived from the second standard definition program stream and the first high definition video stream component.

Abstract: An image processing device includes a synchronizing signal separation section, a counting section, a synchronizing signal determination section, and a video format determination processing section. The synchronizing signal separation section separates a horizontal synchronizing signal from a received broadcasting signal. The counting section counts the pulse number of the separated horizontal synchronizing signal. The synchronizing signal determination section determines presence/absence of a synchronizing signal based on the counted value by the counting section. The video format determination processing section determines a video format of the received broadcasting signal based on the number of scan lines. The video format determination processing section determines the video format only when it is determined that there is a synchronizing signal by the synchronizing signal determination section.

Abstract: A synchronization processing circuit separates synchronizing signals from an input video signal, provides the synchronizing signals to a detection circuit, and further provides the input video signal that has no synchronizing signal to a scaler circuit. The detection circuit detects the horizontal synchronization frequency, the vertical synchronization frequency, the synchronization polarity, the synchronization type (Sep, CS, or GSync), the scan type, the image line number, the synchronization type (TriSync), and the vertical synchronization width from the synchronizing signals. A CPU determines the type of input video signal based on the detection results of the detection circuit. Based on the determination results, the CPU sets the signal processing for the input video signal in the synchronization processing circuit and in the scaler circuit.

Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.

Abstract: A video sequence may include a modality corresponding with an embedded pattern. At least one state machine detects the modality in accordance with difference signals. A signal generator generates the difference signals responsive to decision windows that define regions of interest in the video sequence. The modality may correspond with an embedded film source or other pattern types in the video sequence. Where the state machine detects more than one pattern, a single pattern is selected according to a predetermined priority. The video sequence may contain both static patterns and embedded film source patterns. The state machine discerns the presence of the embedded film source patterns notwithstanding the presence of the static patterns.

Abstract: A primary broadcast receiver is automatically tuned by a secondary broadcast receiver receiving a first broadcast signal corresponding to a source of an origin program by program transition detectors detecting monochrome interprogram dead frame or closed captioning for the hearing impaired text words according to user-specified tune conditions; by a tuner controller enabling the secondary broadcast receiver and a program transition detector to begin monitoring a first broadcast signal currently tuned by the primary broadcast receiver, while allowing tuning of the primary broadcast receiver by a user, and by automatically tuning the primary broadcast receiver to the first broadcast signal upon signal by the program transition detector that one or more of the user-specific tune conditions have been met.

Abstract: A video format identification system includes a master clock circuit which provides timing and counting signals, a synchronization activity detector operatively coupled to the master clock circuit, and a synchronization width qualifier configured to filter out noise or reference burst signals from showing up as sync signals. The system also includes a synchronization detector which regulates the rate of the incoming sync signal, a color burst sampler providing a window for sampling a reference color burst after the sync signal has occurred, and a color burst detector which looks for at least three transitions from a burst signal before it qualifies the as an appropriate reference color burst. A format sample timer generates sample clock signals. A format sample counter produces “take format” signals which are utilized by a set of format counter. The system further includes a video format identifier which enables a particular video format to be directed to a respective video connector.

Abstract: A broadcast receiving device includes a card slot, a fan, a temperature sensor, a memory component and a control unit. The card slot accepts an IC card. The fan rotates to cool the IC card. The temperature sensor measures a first temperature. The memory component stores correlation information indicating a correlation between the first temperature and a second temperature of the IC card. The control unit acquires the second temperature based on the first temperature and the correlation information. The control unit determines if the second temperature exceeds a predetermined temperature. The control unit switches from a first output mode, in which an audio-video signal is outputted via the IC card, to a second output mode, in which the audio-video signal is outputted by bypassing the IC card, when the control unit determines that the second temperature exceeds the predetermined temperature.

Abstract: Disclosed is a video signal converting apparatus and a display device having the same which may convert a low-resolution video signal from a host into a different-resolution video signal capable of being displayed on the entire screen of a high-resolution supporting display device. The apparatus has a detector for detecting a first resolution signal indicative of a resolution of the first display signal using horizontal and vertical synchronization signals related to the first display, a comparator for comparing the first resolution signal with a second resolution signal indicative of a reference resolution; and a converter for converting the first display signal into the second resolution signal, if there is a difference between the first and the second resolution signals.