Abstract: An image processing system has an input portion to which pixel data is inputted, a convolution processing portion processing each set of pixels in a predetermined convolution area so as to output a processed data for every predetermined convolution area. A computational portion calculates a parameter necessary for a image processing according to the processed data from the convolution processing portion. A converting portion includes a selecting means, to which the output of the computational portion is inputted, a high speed memory to which the output of the selecting means is inputted and a light computational portion for performing light computation to which the output of the high speed memory is inputted and the output of which is inputted to the selecting means.

Abstract: An image processing system has an input portion to which pixel data is input. A convolution processing portion processes each set of pixels in a predetermined convolution area and outputs a processed data by every predetermined convolution area. A computational portion calculates a parameter necessary for a image processing according to the processed data from the convolution processing portion. A converting portion comprises a selector receiving the output of the computational portion, a high speed memory receiving the output of the selector and a light computational portion for performing a light computation to which the output of the high speed memory is input and the output of which is input to one input of the selector.

Abstract: A method and apparatus for anti-aliasing vectors, arcs and circles comprising a plurality of pixels on a video display. The distance, d, of each pixel from the centerline of a curve is computed using a plurality of linearly dependent equations. The intensity of each pixel is set as a function of the magnitude of the distance, d, of the pixel from the centerline of the curve. In some cases, the distance, d, is compared with ranges of distances and the intensity of the pixel set according to the range within which the pixel is located. In other cases, the intensity of the pixel is simply inversely proportional to its distance, d, from the centerline.

Abstract: An apparatus for implementing, in hardware, circuitry for adding a raster offset to screen coordinates in a graphics display subsystem for the purpose of displaying the image in a window which may be moved by a user to an arbitrary position on a screen display. Specifically, a pair of raster offsets, one for X coordinates and one for Y coordinates, are stored in X and Y raster offset registers. The X and Y raster offsets correspond to the offset of an active window from the origin of the screen display. These offsets are added to each coordinate which is to be displayed within the active window in a manner which does not result in any additional overhead.

Abstract: A technique for pre-programming a reproduction machine for a plurality of complex jobs involving a variety of machine features and requirements at a computer console remote from the reproduction machine operator console and touch sensitive screen display. In particular, a remote computer console compatible with the reproduction machine control, manifests a simulation of a plurality of pre-programming slots and machine features for each slot that simulate a plurality of features and subfeatures of job requirements for the machine. The plurality of selected features for each pre-programmed job slot are automatically stored in the selected pre-programming slots on a removable media such as a floppy disk. The floppy disk can be inserted into the reproduction machine to automatically pre-program the machine for a plurality of discrete job runs without any additional operator initiative.

Abstract: An image forming apparatus is capable of starting image reconstruction simultaneously with the start of scan. A pipe-line system image forming apparatus having an intermediate buffer between a date acquition device and an image reconstruction device, and the apparatus is characterized in that there is provided a path for supplying data from the data acquisition device directly to the image reconstruction device, whereby the first scan data is sent also to the image reconstruction device simultaneously with sending data to the intermediate buffer so as to immediately start image reconstruction according to the scan data.

Abstract: A device including a screen memory (53) for storing the data relating to the points of a screen on which the curve is to be drawn. A point processor (21) modifies the data stored in the screen memory (53) at the positions of said screen memory corresponding to the points of the curve to be drawn. An address processor (20) adapted to control the access to the screen memory (53), the operation of the processor (21) and the transfers of data between the point processor (21) and the screen memory (53) so as to ensure the modification of its content as a function of the line to be drawn. A CROM memory (22) containing instructions relating to the changing of the reference of U, V relative coordinates of each octant change and instructions relating to the point by point drawings of portions of curves contained in each of the octants covered by the arc of a curve to be drawn.

Abstract: A method for generating a circular or elliptic arc on a digital display, especially adapted for use in a scan conversion painting system. A modified DDA method has been provided, whereby each of the intersections between scan lines and curves concerned is represented by a single point.

Abstract: A determination as to whether the linear change in a dependent variable Y=(Dy/Dx)*X resulting from an ith step change of magnitude dx in an independent variable X would be better approximated by a change m*dy or a change (m+1)*dy in the dependent variable, is made by(a) setting m equal to floor (Dy/abs(Dx)), setting r equal to (Dy/abs(Dx))-m, setting DirX equal to Dx/abs)Dx), and setting Er equal to r-0.5; and(b) for each value of i in the range from 1 to (Dx/dx)-1, determining whether Er is less than 0 and, if so, setting Er equal to Er+r, X equal to X+DirX*dx and y equal to Y+m*dy, and otherwise setting Er equal to Er+r-1, X equal to X+DirX*dx and Y equal to Y+(m+1)*dy.

Abstract: A sequence of n sample values occurring during a recording interval is processed by determining which of the sample values is the smallest and which of them is the largest. The smallest sample value is loaded into one of first and second memory portions in dependence upon whether the smallest value occurred before or after the largest sample value, and the largest sample value is loaded into the other of the first and second memory portions. In this fashion, the order of the smallest and largest sample values is preserved.

Abstract: An electronic printer receives multi-page documents as character code signals which are applied to a raster image processor for rasterization. The rasterized signals are electronically stored so that a plurality of electronically collated, multi-page sets can be printed without re-rasterization.

Abstract: A control strategy for accurately monitoring the ambient air temperature surrounding a vehicle in such a way as to compensate for the heat generated by the electronic components and generated by the engine.

Abstract: A system to process employee and job data, in a shop having a number of mechanic employees and a number of machines, including at least a first employee-input station, a second timekeeping station, and a third management station. A printer and a computer at the second station includes a program in the computer calculating from employee clocking of time and jobs the employee hours, the time spent on each job, accumulated job hours, and percentages of completions of jobs. Cathode Ray Tube (CRT) displays and keyboards are at each station. The keyboards at the first and third stations being special purpose keyboards primarily concerning employee clock-in and clock-out on each job and several cost-class keys that can be associated with various jobs. The program computes different costs on jobs depending on the use of cost-class keys. The first station has a listing of jobs and employees by character.