Matches 1 - 35 out of 35
Match Document Document Title
7460135 Two dimensional rotation of sub-sampled color space images  
In a method and system for controlling rotation of a color image stored as sub-sampled image data in a memory, a controller includes a finite state machine (FSM) operable to fetch the sub-sampled...
6943808 System and method of reducing aliasing in printed images  
The system and method reduces aliasing which is formed by the patterns that are introduced by the halftone screens used in the printer. The system and method provides halftone-specific anti-alias...
6407746 Image processing method for high speed display based on rotation of different kinds of data including reduced data and apparatus for the same  
An image processing apparatus includes a data dividing section for dividing digital data into a plurality of blocks of data. A first parallel shift control section controls, block by block, first...
5568600 Method and apparatus for rotating and scaling images  
A method and apparatus, within a computer system, for rotating and scaling an image using a three step process. The amount of image rotation and scaling is user defined. The three step process...
5446803 Image signal processing apparatus  
Disclosed is an image signal processing apparatus in which the position of an input image can be corrected easily irrespective of the shape of the input image by use of attribute information...
5426733 Image rotation apparatus capable of rotating image data of different numbers of pixel bits  
Input image data of N bits per pixel is written to and read from buffer memories each having a word length of B bits on a W/N-line basis in the order in accordance with a specified rotation angle...
5359706 Image rotation using block transfers  
A digital image is rotated clockwise, for example, by the steps of (1) dividing it into rectangular contiguous blocks, the center of any selected block being located to the left and down a half...
5295237 Image rotation method and image rotation processing apparatus  
An image rotation method and an image rotation processing apparatus in an image processing apparatus are disclosed. The image rotation method obtains the image coordinates (x',y') of a rotated...
5187753 Method and apparatus for identification and correction of document skew  
A method and apparatus for identifying and correcting for document skew. Lines of a bitmap are scanned and a variance in the number of ON pixels as a function of skew angle is calculated. Skew of...
5181260 Method for determining the amount of skew of image, method for correcting the same, and image data processing system  
Method for determining and correcting the amount of an skew of image which may be read by an image reader, preferably one with with an automatic paper feeding device. Information dependent on the...
5101270 Method and apparatus for radon transformation and angular correlation in optical processors  
A method and electro-optical apparatus for generating the Radon transform and angular correlation of input images using optical signal processing techniques is disclosed. In the preferred...
5093653 Image processing system having skew correcting means  
An image processing system comprises a memory for storing an input image data in a bit map, a display coupled to the memory for displaying an image which is described by the input image data, an...
5050225 Image processing apparatus and method  
An image processing apparatus and method is disclosed for rapidly rotating images through selected angles by first generating each pel row of a scaled version of an original image in response to...
5014046 Display pager with supplemental display means  
A pager includes a display mounted on the front side of a pager housing. On the back side of the housing is mounted a clip which is used for carrying the pager on the user's belt. The display...
4985849 Image processing system for forming a slantwise-mapped or rotated modified image of an original image  
An image processing apparatus for forming a modified image from an original image, in which addresses for the modified image are calculated, and corresponding addresses of the original image are...
4975977 Rotation processing method of image and system therefor  
In an image data rotating system for applying rotation processing to input image data of a large picture plane, the image data is divided into rectangular small blocks and rotation processing is...
4930088 Rotated graphic pattern generating system  
A rotated pattern generating system includes at least a X-direction straight line generator adapted to calculate, a difference in X- and Y-directions between the position of a given dot on a...
4876488 Raster rotation circuit  
A system for rotating images on a raster display device through an angle includes a tilt angle signal, first and second tilt angle sine function modulators and first and second tilt angle cosine...
4829452 Small angle image rotation using block transfers  
A simplified method for rotating a digital image through a small angle without the need for interpolation is described. The image is divided into small, square blocks, arranged in horizontal rows...
4759076 Image rotating system by an arbitrary angle  
A system for rotating an image by an arbitrary angle which is effective in image processing techniques using terminal equipment such as a work station, and will not distort a rotated image even...
4754269 Graphic display method for displaying a perspective view of an object on a CRT  
A graphic display method for transforming three-dimensional coordinate values (x, y, z) of an object to be displayed into coordinate values (X,Y) of a two-dimensional display coordinate system on a...
4656467 TV graphic displays without quantizing errors from compact image memory  
High-amplitude-resolution graphics for raster-scanned television systems are generated beginning with relatively low-amplitude-resolution sampled data from image memory affording spatial resolution...
4653012 Display systems  
A display system including a display device, a storage means having an array of storage locations each location being adapted to contain data representing a visual parameter of a different pixel of...
4637057 Rotation of digital images  
The image is divided into regions of a given number of pixels. The original image is scaled down by a given factor. Each region of pixels is then enlarged in order to overlap its neighboring...
4633243 Method of storing characters in a display system  
In a method of storing characters in a display system having a display device with an orthogonal matrix of addressable points, each character is represented as a succession of strokes each...
4611232 Video processing system for picture rotation  
A rotation system includes an input buffer 14 allowing two lines of video information to be processed in interpolator 15 prior to receipt by a framestore 16. The desired rotational angle is...
4553214 Angle based stroke generator  
Stroke display apparatus generates symbols or characters on a display screen and permits dynamic rotation or translation of those characters without placing a computation burden on the host...
4527155 System for maintaining an orientation of characters displayed with a rotatable image  
A display of images on a screen which is installed in an automotive vehicle for displaying the driving direction and location of the automotive vehicle within a graphic pattern, such as a drive...
4477802 Address generator for generating addresses to read out data from a memory along angularly disposed parallel lines  
An address generator responsible to input parameters for generating addresses to read out the content of a memory along parallel lines disposed at an angle to the orthogonal rows and columns of...
4471349 Phantom raster generating apparatus scanning TV image memory in angular and orthogonal coordinates  
Descriptions of phantom raster scan are generated with high spatial resolution in angular coordinates and in coordinates, such as radial coordinates, orthogonal to the angular coordinates. The more...
4467448 Image rotate control circuitry  
Image rotate control circuitry buffers one column of display or video data which is subsequently printed along a horizontal print line. A video dot counter cycles each horizontal scan line while a...
4462024 Memory scanning address generator  
Improved accumulation apparatus for generating phantom raster in skewed Cartesian coordinates uses two, rather than four, accumulators. Arrangements for accommodating non-square pixels are...
4245321 Rotating raster generator  
A raster generator for producing a raster-type display on a random scan dlay terminal where the raster can be oriented at any selected angle of rotation. The rotating raster generator responds to a...
3962536 Digital rotary special effects generator  
An improved special effects generator for television uses digital logic to achieve "windshield wiper," "propeller," and other similar rotational special effects. The generator is supplied with a...
3899662 Method and means for reducing data transmission rate in synthetically generated motion display systems  
A digitally controlled synthetically generated motion display system in which the data to be displayed is provided in bit serial fashion from a master computer to a stroke writing symbol generator...
Matches 1 - 35 out of 35