Showing papers by "Zoran Corporation published in 2010"

Method and apparatus for voice controlled operation of a media player

Abstract: A system and methods for voice controlled operation of a media player are provided. In one embodiment, a method includes detecting user positioning of a microphone power switch to an off position, detecting user positioning of the microphone power switch to an on position within a predetermined period of time and entering a voice recognition mode, by the media player, based on the user positioning of the microphone power switch to the on position within the predetermined period of time. The method may further include detecting one or more output signals of the microphone, detecting a voice command based on the one or more output signals of the microphone, and controlling operation of the media player based on the voice command, wherein the media player outputs a graphical display associated with the voice command.

Passive eyewear stereoscopic viewing system with frequency selective emitter

Abstract: An electronic display device includes a frequency selective light source configured to generate light having a first spectral range of visible light and a second spectral range of visible light. The second spectral range of visible light is distinct from the first spectral range of visible light. The device has a plurality of sequentially updatable picture elements, and at least one of the picture elements is optically aligned with the frequency selective light source such that the light generated by the frequency selective light source provides illumination to the picture element. The device further includes a display device controller coupled to the frequency selective light source, which is configured to select, in response to an update of at least one of the picture elements, one of the first spectral range of visible light and the second spectral range of visible light, to be provided by the frequency selective light source.

Adaptive bandwidth allocation for memory

Abstract: A device and methods are provided for adaptive bandwidth allocation for memory of a device are disclosed and claimed. In one embodiment, a method includes receiving, by a memory interface of the device, a memory access request from a first client of the memory interface, and detecting available bandwidth associated with a second client of the memory interface based on the received memory access request. The method may further include loading a counter, by the memory interface, for fulfilling the access request, wherein the counter is loaded to include bandwidth associated with the first client and the available bandwidth associated with the second client, and granting the memory access request for the first client based on bandwidth allocated for the counter.

Preview of a document with printable components at a printing device based on its printing capability

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Preview and modification of printable components of a document at a printing device

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Depth from defocus calibration

Abstract: A device and methods are provided for calculating depth estimation for a digital imaging device are disclosed and claimed. In one embodiment, a method includes detecting a first image associated with a first focus parameter, detecting a second image associated with a second focus parameter, calculating a statistical representation of a region of interest in the first and second images, and determining a ratio for the region of interest based on the statistical representation. The method may further include determining one or more focus characteristics using a memory table based on the determined ratio for the region of interest, and calculating a focus depth for capture of image data based on the determined one or more focus characteristics associated with the memory table.

Techniques for modifying image field data obtained using illumination sources

Abstract: Techniques for modifying data of an image that can be implemented in a digital camera, video image capturing device and other optical systems are provided to correct for non-uniform illumination and/or effects of saturation appearing in data obtained using one or more artificial illumination sources. In an implementation, correction factors are derived using data from at least two images that have been captured with different illumination levels of the object scene and close in time to the capture of the image of interest. Typically, the image of interest is of higher resolution than at least one of the at least two images.

Single-image motion deblurring using a low-dimensional hand shake blur model

Abstract: A new algorithm for camera shake removal from a single image is presented. The motion blur point spread function (PSF) is represented in terms of the camera's angular velocity, which is in turn approximated by a linear function of time. Edge spread functions are estimated from isolated edges within the image, and the information along different directions is combined in an optimization procedure to find the best matching PSF. The image is then restored using the Wiener filter, followed by a post-processing algorithm for ringing artifact reduction. Results on real images taken with a digital camera are demonstrated.

Method and apparatus for mapping a multi-dimensional signal from one space to another space

Abstract: In a method of mapping data from a source space to a target space, a space transformation look-up table (LUT) that contains a plurality of locations storing information is maintained, wherein each of the plurality of locations includes information specifying a function to be evaluated. First data defined according to a multi-dimensional source space is input, and second data defined according to a multi-dimensional target space is generated, by applying information contained in the LUT to the first data.

3d display using partial screen illumination and synchronized shutter glass

Abstract: An electronic visual display system includes a display screen for displaying an image. The display screen has at least a first display region and at least a second display region that is approximately contiguous to the first display region. The image has at least a first portion that is displayed within the first display region and at least a second portion that is displayed within the second display region. The system further includes a first light source configured to illuminate substantially the first display region, a second light source configured to illuminate substantially the second display region, and a display device controller coupled to the first light source and the second light source which is configured to lessen an amount of light emanating from the first light source approximately when updating the first portion of the image.

Method and apparatus for image correction

Abstract: A method and apparatus are provided for correcting image data of an image sensor. In on embodiment, a method includes receiving sensor data including image data having at least one artifact and smear sensitive data, detecting motion of one or more light sources associated with the artifact and characterizing the motion of the one or more light sources to provide a motion characteristic. The method may further include correcting at least a portion of the image data based on the smear sensitive data and the motion characteristic of the one or more light sources, wherein the correcting is responsive to vertical motion and non-vertical motion of the one or more light sources.

Passive eyewear stereoscopic viewing system with scanning polarization

Abstract: A method of displaying images with an electronic display device having a plurality of sequentially updatable picture elements includes displaying an image with the picture elements by sequentially updating each of the plurality of picture elements, filtering light emanating from a first picture element with a first polarizing filter configured in a first polarization orientation and filtering light emanating from a second picture element with a second polarizing filter configured in a second polarization orientation that is different than the first polarization orientation. The method further includes detecting an update of a third picture element and switching the configuration of the second polarizing filter to the first polarization orientation in response to detecting the update of the third picture element.

Systems and methods providing multi-path low noise amplifiers with seamless switching

Abstract: Systems and methods which provide a multimode tuner architecture implementing direct frequency conversion are shown. Embodiments provide a highly integrated configuration wherein low noise amplifier, tuner, analog and digital channel filter, and analog demodulator functionality are provided in a single integrated circuit. A LNA of embodiments implements a multi-path configuration with seamless switching to provide desired gain control while meeting noise and linearity design parameters. Embodiments of the invention implement in-phase and quadrature (IQ) equalization and a multimode channelization filter architecture to facilitate the use of direct frequency conversion. Embodiments implement spur avoidance techniques for improving tuner system operation and output using a clock signal generation architecture in which a system clock, sampling clock frequencies, local oscillator (LO) reference clock frequencies, and/or the like are dynamically movable.

Serial data interface for software-defined radio system

Abstract: A radio system comprises a front-end receiver for receiving a RF signal and converting the RF signal into a digital payload signal. The system further comprises a base-band processor for processing the digital payload signal, and a serial data interface over which the front-end communicates the digital payload signal and meta data to the base-band processor. The meta data may comprise information indicating whether a corresponding digital payload signal communicated over the serial data interface is valid and additional information of the front-end status, e.g. gain or state of tuning.