Patent application number | Description | Published |
20090116760 | IMAGE PREDICTIVE CODING DEVICE, IMAGE PREDICTIVE CODING METHOD, IMAGE PREDICTIVE CODING PROGRAM, IMAGE PREDICTIVE DECODING DEVICE, IMAGE PREDICTIVE DECODING METHOD AND IMAGE PREDICTIVE DECODING PROGRAM - A block divider divides an input image into a plurality of regions. A prediction signal generator generates a prediction signal for the pixel signal contained in an object region, which is the object of processing, among the plurality of regions, and generates a prediction signal by using a texture synthesis method for forming a texture signal for the object region. A subtracter determines a residual signal between the pixel signal of the object region and the prediction signal, and a transformer and quantizer encode the residual signal to generate a compressed signal. | 05-07-2009 |
20090257665 | DYNAMIC IMAGE ENCODING DEVICE, DYNAMIC IMAGE DECODING DEVICE, DYNAMIC IMAGE ENCODING METHOD, DYNAMIC IMAGE DECODING METHOD, DYNAMIC IMAGE ENCODING PROGRAM, AND DYNAMIC IMAGE DECODING PROGRAM - An image encoding device including an input section inputting an input image constituting an encoding target; a reference image accumulation section accumulating a reference image; a reference image accompanying information accumulation section accumulating reference image accompanying information that accompanies the reference image; an encoding section modifying the reference image and the reference image accompanying information in accordance with the input image, generating a predictive signal for the input image, and encoding the input image; and an output section outputting, as encoded data, compressed data obtained by the encoding by the encoding section together with modification method information indicating a modification method for the reference image. Thereby, image information can be encoded/decoded more efficiently by generating an appropriate predictive signal. | 10-15-2009 |
20100008592 | IMAGE SIGNAL TRANSFORMING AND INVERSE-TRANSFORMING METHOD AND COMPUTER PROGRAM PRODUCT WITH PRE-ENCODING FILTERING FEATURES - An aspect of an image signal transforming method is a method of generating one or more transformed samples from a plurality of input samples, which includes a first transformed sample generating step of performing a first filtering process by a filter, on at least one first input sample (an input sample from a terminal) out of a plurality of first input samples used for generation of a first transformed sample, to generate first filtered data, and performing a first arithmetic process (subtraction by a subtractor) on another first input sample not used for the generation of the first filtered data (an input sample from another terminal), and the first filtered data generated, to generate the first transformed sample. | 01-14-2010 |
20100054338 | IMAGE DECODING APPARATUS, IMAGE DECODING PROGRAM, IMAGE DECODING METHOD, IMAGE ENCODING APPARATUS, IMAGE ENCODING PROGRAM, AND IMAGE ENCODING METHOD - An image decoding apparatus has a video data decoder for receiving and decoding encoded video data to acquire a plurality of reconstructed images; a subsidiary data decoder for receiving and decoding subsidiary data to acquire subsidiary motion information; and a resolution enhancer for generating motion vectors representing time-space correspondences between the plurality of reconstructed images, based on the subsidiary motion information acquired by the subsidiary data decoder, and for generating a high-resolution image with a spatial resolution higher than that of the plurality of reconstructed images, using the generated motion vectors and the plurality of reconstructed images acquired by the video data decoder. | 03-04-2010 |
20100091846 | IMAGE PREDICTION/ENCODING DEVICE, IMAGE PREDICTION/ENCODING METHOD, IMAGE PREDICTION/ENCODING PROGRAM, IMAGE PREDICTION/DECODING DEVICE, IMAGE PREDICTION/DECODING METHOD, AND IMAGE PREDICTION DECODING PROGRAM - An objective is to provide an image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding program for selecting a plurality of candidate prediction signals, without increase in information amount. A weighting unit | 04-15-2010 |
20110222601 | MOVING IMAGE ENCODING AND DECODING SYSTEM - A moving image encoding and decoding system reduces compressed moving picture data amounts by producing a prediction signal suitable for moving pictures including dynamic textures. The system includes a moving picture encoding device | 09-15-2011 |
20110249738 | MOVING IMAGE ENCODING APPARATUS, MOVING IMAGE DECODING APPARATUS, MOVING IMAGE ENCODING METHOD, MOVING IMAGE DECODING METHOD, MOVING IMAGE ENCODING PROGRAM, MOVING IMAGE DECODING PROGRAM, AND MOVING IMAGE ENCODING/ DECODING SYSTEM - In order to improve the encoding efficiency while avoiding an increase in the size or memory band of a frame memory and having adaptability in the encoding/decoding processing of a moving picture, a bit length extension converter converts a target picture having a bit length N into an extended target picture having a bit length M, a compressor encodes the converted picture, and an expander restores the encoded picture. Then, a bit length reduction converter converts the picture into a reproduction picture having a bit length L smaller than the bit length M, and this reproduction picture is stored in a frame memory as a reference picture. | 10-13-2011 |
20130003854 | METHOD, APPARATUS AND PROGRAM FOR EFFICIENT GENERATION OF PREDICTION SIGNALS - A block divider divides an input image into a plurality of regions. A prediction signal generator generates a prediction signal for the pixel signal contained in an object region, which is the object of processing, among the plurality of regions, and generates a prediction signal by using a texture synthesis method for forming a texture signal for the object region. A subtracter determines a residual signal between the pixel signal of the object region and the prediction signal, and a transformer and a quantizer encode the residual signal to generate a compressed signal. | 01-03-2013 |
20130028322 | MOVING IMAGE PREDICTION ENCODER, MOVING IMAGE PREDICTION DECODER, MOVING IMAGE PREDICTION ENCODING METHOD, AND MOVING IMAGE PREDICTION DECODING METHOD - An object is to improve the quality of a reproduced picture and improve the efficiency of predicting a picture using the reproduced picture as a reference picture. For this object, a video prediction encoder | 01-31-2013 |
20130044813 | MOVING IMAGE PREDICTION ENCODING/DECODING SYSTEM - A moving image encoding/decoding system may include a video predictive encoding device, which may include: an encoding device which encodes each of a plurality of input pictures to generate compressed picture data including a random access picture, and encodes data about display order information of each picture; a restoration device which decodes the compressed picture data to restore a reproduced picture; a picture storage device which stores the reproduced picture as a reference picture; and a memory management device which controls the picture storage device. Following completion of an encoding process of generating the random access picture, the memory management device refreshes the picture storage device by setting every reference picture in the picture storage device, except for the random access picture, as unnecessary immediately before or immediately after encoding a picture with display order information larger than the display order information of the random access picture. | 02-21-2013 |