Abstract: An acoustic treatment room dampening panel 10 is arranged to support at least three layers of material 3 with multiple through holes 2. Each layer of material with through holes are spaced apart, with through holes off set between layers, such that air flow is restricted and turbulence created, thus dissipating standing wave energy. The panels are intended for flush mounting against walls or ceiling at the apex of a room to help dissipate standing wave energy which stands up in the corners of a room.

Abstract: An inductor with self-damping properties for use in multiple applications including for high power broadband frequency applications is provided by a coil having an input end and an output end and wound about a core of magnetically permeable material and an eddy current generator incorporated either at the time of manufacture or post manufacturing. The core can be air (e.g., a hollow coil of wire). Alternative core materials are iron, iron powder, steel laminations and other appropriate materials. The core may be incorporated into some form of frame whether I shaped, U shaped, E shaped or of an encapsulated shape arrangement. The inductor's Q value may be changed selectively by deliberately inducing eddy currents in preferred locations. The eddy currents are induced into the inductors and have the effect of introducing a back EMF which is designed and scaled appropriately to adjust the Q value at the desired frequency resulting is less phase distortion.

Abstract: An electronic camera apparatus reads out, from an image sensing device, an image signal which represents a color image constructed by a number of pixels to which predetermined colors are assigned and has pieces of luminance information with analog values representing luminances of the pixels, the luminance information being discrete on a time axis, and generates a desired image from the image signal. The apparatus has a luminance correction section.

Abstract: Smear detect circuitry within an analog front end (AFE) of a digital camera determines when black area pixel values received from an image sensor are indicative of smear leakage. Smear leakage can cause a light vertical line in the resulting digital image. When a sensor that is coupled to a storage element is exposed to a bright light source, storage element overload can cause a leakage charge to leak from the storage element to other storage elements along a transfer line. Smear detect circuitry identifies the transfer line exhibiting smear leakage and excludes pixel values from storage elements along that transfer line from the calculation of a black level value used to calibrate color pixel values. The digital camera displays a smear icon indicating smear leakage in a digital image that is to be taken. A digital file of the digital image includes a header with a smear detect field.

Abstract: An image processing apparatus includes a replacement unit and interpolation unit. For the pixel value of a pixel that need not be replaced among pixel values contained in original image data, the replacement unit adds replacement information indicating non-replacement of the pixel value to the pixel value, and outputs the pixel value as replacement information-added image data. For the pixel value of a pixel that needs to be replaced, the replacement unit replaces the pixel value by a predetermined pixel value, adds replacement information indicating replacement of the pixel value to the replaced pixel value, and outputs the pixel value as replacement information-added image data.

Abstract: In an image processing method, a square submatrix formed from adjacent original pixels is equally divided into small square regions along the X- and Y-coordinate axes. Approximate points are set at the vertexes of the regions. Interpolation coefficients are derived based on a predetermined interpolation function. Interpolation coefficients normalized so as to adjust the sum of the coefficient values of interpolation coefficients used for one interpolation operation to 2k (k is a positive integer) are calculated, and stored in a coefficient buffer in advance. A new pixel position of each pixel constituting a new image is calculated in accordance with magnifications representing enlargement/reduction ratios along the X- and Y-coordinate axes for an original image. An approximate point closest to the new pixel position is selected as the approximate point of the new pixel position. Interpolation coefficients corresponding to the interpolation original pixels are read out from the coefficient buffer.

Abstract: An image processing apparatus includes a spatial filter and orthogonal transform section. The spatial filter obtains a new luminance value of each pixel of an input image on the basis of a first coefficient having a first filter characteristic which forms the desired spatial frequency adjustment filter characteristic in cooperation with a second filter characteristic, thereby generating a two-dimensional intermediate image which has the adjusted spatial frequency characteristic of the input image.

Abstract: An image photographing apparatus for storing interleaved data having a number of discrete analog values which is output from an image sensing section and digitized by an A/D conversion section includes an analog semiconductor memory device and a control section. The analog semiconductor memory device stores the interleaved data from the image sensing section as analog data. The control section writes the interleaved data output from the image sensing section upon photographing in the analog semiconductor memory device, reads out the written interleaved data from the analog semiconductor memory device, and outputs the data to the A/D conversion section.

Abstract: An image processing apparatus for calculating a new luminance value of a central pixel to adjust the spatial frequency characteristics of an input image includes a plurality of subfilters, totalizer, and adder. The subfilters are arranged in parallel with each other for a plurality of pixel groups each made up of one or more pixels in a submatrix. The subfilters multiply the sums of the luminance values of pixels included in corresponding pixel groups by predetermined coefficients corresponding to desired spatial frequency adjustment filter characteristics, and output the products for each submatrix made up of M×M (M is an odd number of 3 or more) pixels centered on pixels constituting an input image for a two-dimensional input image made up of many pixels that are arrayed in a matrix and represent luminance values at positions. The totalizer totals outputs from the subfilters, and outputs the sum as the adjustment amount of the spatial frequency characteristics.

Abstract: An image processing apparatus includes an interpolation unit, compensation value calculation unit, and compensation unit. For an interpolation point selected from an image signal at an interval of n pixels (n is an integer of 2 or more), the interpolation unit interpolates the pixel value of each color data at the interpolation point using the pixel values of pixels of the same color falling within an interpolation region of m×m pixels (m is an integer of 2 or more) centered on the interpolation point, and outputs the pixel value as an interpolated pixel value at the interpolation point for each color data. The compensation value calculation unit generates a pixel compensation value for compensating for the pixel value of the interpolation point using the pixel values of pixels falling within a compensation region of M×M pixels (M is an integer equal to or larger than m and n) centered on the interpolation point.

Abstract: In a card type semiconductor memory device, at least one memory chip for storing a still image and a connector having a number of signal lines for transferring various signals between the memory chip and a host device are mounted on a card-like substrate. The memory chip includes a memory section and a signal processing section. The memory section includes analog nonvolatile semiconductor memories for sequentially storing, as analog values, color interleaved analog image signals having analog luminance information of predetermined colors in units of pixels in synchronism with a predetermined clock signal. The signal processing section calculates, as analog values, the luminance information at a plurality of pixel positions, which are read out from the memory section, to convert the luminance information into color image data having analog luminance information of the respective colors in units of pixels and outputs the color image data.

Abstract: An image processing apparatus includes an interpolation unit, compensation value calculation unit, and compensation unit. The interpolation unit interpolates the pixel value of each color signal at an interpolation point using the pixel values of pixels in the same color falling within a predetermined interpolation region including the interpolation point, and outputs the pixel value as an interpolated pixel value at the interpolation point for each color signal. The compensation value calculation unit generates a pixel compensation value for compensating the pixel value of the interpolation point using the pixel values of a plurality of pixels around the interpolation point that fall within a compensation region wider than and including the interpolation region.

Abstract: In an image processing method, a square submatrix formed from adjacent original pixels is equally divided into small square regions along the X- and Y-coordinate axes. Approximate points are set at the vertexes of the regions. Interpolation coefficients are derived based on a predetermined interpolation function. Interpolation coefficients normalized so as to adjust the sum of the coefficient values of interpolation coefficients used for one interpolation operation to 2k (k is a positive integer) are calculated, and stored in a coefficient buffer in advance. A new pixel position of each pixel constituting a new image is calculated in accordance with magnifications representing enlargement/reduction ratios along the X- and Y-coordinate axes for an original image. An approximate point closest to the new pixel position is selected as the approximate point of the new pixel position. Interpolation coefficients corresponding to the interpolation original pixels are read out from the coefficient buffer.

Abstract: A nonvolatile semiconductor memory includes a memory unit, memory control unit, defect position detection unit, and data correction unit. The memory unit has a plurality of memory cells to discretely store an analog signal such as an image signal as analog data in the form of an analog value. The memory control unit sequentially selects the memory cells as a read out target of the memory unit in response to a predetermined clock. The defect position detection unit detects, on the basis of defect position information indicating a position of defective analog data included in the analog data read out from the memory unit, whether a memory cell corresponding to the defect position is selected by the memory control unit, and outputs a detection output. The data correction unit corrects the analog data at the defect position in accordance with the detection output from the defect position detection unit by using another analog data of the analog signal stored in said memory unit.

Abstract: A frequency analyzing device for detecting a signal component of a predetermined analytic frequency to be analyzed in an input signal includes a multiplication circuit and an integration circuit. The multiplication circuit controls a switched capacitor circuit for discretely storing an input signal using a predetermined pulse signal whose frequency changes according to an amplitude of an orthogonal function system signal having the analytic frequency, and outputs charges representing a multiplication result of the input signal and the orthogonal function system signal. The integration circuit integrates the charges output from the multiplication circuit and outputs integration values as signal components of the analytic frequency contained in the input signal.

Abstract: For use in a low-power digital imaging devices, for example a low-power single CCD-based digital camera, particularly in a battery-operated camera, a method for implementing video signal processing is provided wherein a single amplifier is employed in switched but parallel and uncorrelated signal paths in a manner which avoids fixed pattern noise that would be introduced by mismatches in gain and offset in various paths. The desired effect is achieved through use of a controller that switches appropriate sets of capacitors in parallel paths to establish different gains for each pixel component. The invention achieves power savings and flexibility to independently control gain of each color component.

Abstract: An electronic image sensing apparatus for photoeletrically converting an optical image in an image sensing unit, processing the resultant analog image sensing data, and recording, displaying, outputting, or externally outputting the processed image sensing data includes an analog semiconductor memory, a processor, and a luminance distribution adjustment unit. The analog semiconductor memory temporarily stores the image sensing data from the image sensing unit in the form of an analog value. The processor generates adjustment information for adjusting a luminance distribution of the entire image sensing data on the basis of luminance information of the image sensing data read out from the analog semiconductor memory. The luminance distribution adjustment unit adjusts the luminance distribution of the entire image sensing data from the analog semiconductor memory on the basis of the adjustment information generated by the processor.

Abstract: In a data compression method of sequentially sampling an analog input signal at discrete sample points, and classifying a plurality of obtained sample values into a plurality of sections, a sampling string made up of sample values included in each section is set as the first sampling string. A function which takes a sample value at a predetermined sample point included in the first sampling string and is approximated to the first sampling string is generated. A parameter defining the function is output as an element of compressed data. A second sampling string made up of sample values obtained at respective sample points by the function is generated. Predetermined calculation is performed between two sample values at identical sample points in the first and second sampling strings for each section to calculate a new sample value, thereby creating a third sampling string in which a new sample value at an arbitrary sample point is 0.

Abstract: In a digital image processing device such as a portable digital camera, an analog decimation circuit is provided as a front end for the digital video imaging circuit so that the data rate is reduced without substantial loss in fidelity so that the power dissipation is minimized. In a decimation circuit, the data rate is reduced by reducing only higher frequency spectral components of a captured image without substantial loss in fidelity of the remaining spectral components of the captured image. The required amount of digital data processing is so substantially reduced that considerable power savings result. A mixture of decimation modes may be effected using the same circuit.

Abstract: In a card type semiconductor memory device, a plurality of memory chips each of which stores, as analog values, a still image formed from a color interleaved analog image signal using analog nonvolatile semiconductor memories for writing/reading color interleaved analog image signals having analog luminance information of predetermined colors in units of pixels, and a connector for connecting a number of signal lines for transferring various signals between the memory chips and a host device to the host device side are arranged on a card-like substrate. An analog signal line group from each memory chip is separated from a digital signal line group on the substrate via a separation strip formed from a wide conductive pattern, and concentratedly laid out at positions of the connector, which are separated from the digital signal line group. In each memory chip, terminals for analog signals are concentrated to a terminal array provided on a predetermined side of the chip package.