Abstract: A moving image editing apparatus including: a storage unit configured to store a first moving image; a stack memory configured to, each time a reading request for reading range of a portion of the first moving image from the storage unit, or a writing request for replacement range of a portion of the first moving image with a second moving image is received from a terminal, store the request; and a sending processing unit configured to output, when the reading request is read from the stack memory, to the terminal, a moving image in which the overlapping range of the reading range with regard to the first moving image has been replaced with the second moving image when the second moving image with which a range overlapping a portion of the reading range specified by the reading request is to be replaced has been received.

Abstract: An information conversion device includes a memory and a processor coupled to the memory. The processor executes a process including generating a conversion rule for converting a feature quantity vector into a binary string that is longer than a predetermined bit length. The process includes converting each of the feature quantity vectors into a binary string by using the conversion rule generated at the generating. The process includes calculating importance levels of the respective bits in the binary strings based on a distance of the feature quantity vectors. The process includes correcting the conversion rule into one that converts each of the feature quantity vectors into a binary string having the predetermined bit length based on the calculated importance levels. The process includes changing the feature quantity vectors into a binary string having the predetermined bit length by using the conversion rule corrected at the correcting.

Abstract: A bitstream conversion apparatus for converting a bitstream of a first format, containing content data, into a bitstream of a second format includes: a splitting unit which splits the bitstream of the first format in time sequential fashion into a plurality of split bitstreams of the first format; a plurality of conversion units which convert the plurality of split bitstreams of the first format into a plurality of split bitstreams of the second format; and a connecting unit which connects the plurality of split bitstreams of the second format to one another.

Abstract: A protection method of application software is executed by initiating the first program transmitted from a server via a network on a client, and the method divides an execution result of the application software executed on the client into a plurality of pieces of intermediate data in accordance with distribution arrangement information reported by the server, distributes and arranges the plurality of pieces of intermediate data in the server and the client, transmits to the server notice information including a data length and arranged location information of each piece of the distributed and arranged plurality of pieces of intermediate data, rearranges the distributed and arranged plurality of pieces of intermediate data in the original order of the execution result of the application software on the basis of the notice information, generates in the server a second program for generating the execution result, and transmits the second program to the client.

Abstract: This is a computer-readable portable storage medium which is used by a computer managing a plurality of frame buffers and which stores a program enabling the computer to execute a process, and the process comprises preparing an area in which data of a valid chain indicating a connection among frame buffers storing valid image data of the plurality of frame buffers and data of a vacant chain indicating a connection among frame buffers storing no valid image data, is stored, on memory and generating/updating data of the valid chain and the vacant chain when valid image data is stored in one of the plurality of frame buffers and storing it in the memory.

Abstract: An original picture inserted for each frame is divided into motion compensation blocks and each of the motion compensation blocks is encoded using motion compensation inter-frame prediction. A fade scene is detected using at least one of a sum of differential absolute values calculated when detecting a motion vector, a total number of motion compensation blocks and a total number of intra-motion compensation blocks being motion compensation blocks encoded as still pictures in addition to a motion vector detected from each of the motion compensation blocks. The encoding of the original picture is controlled, according to the detection result.

Abstract: A protection method of application software is executed by initiating the first program transmitted from a server via a network on a client, and the method divides an execution result of the application software executed on the client into a plurality of pieces of intermediate data in accordance with distribution arrangement information reported by the server, distributes and arranges the plurality of pieces of intermediate data in the server and the client, transmits to the server notice information including a data length and arranged location information of each piece of the distributed and arranged plurality of pieces of intermediate data, rearranges the distributed and arranged plurality of pieces of intermediate data in the original order of the execution result of the application software on the basis of the notice information, generates in the server a second program for generating the execution result, and transmits the second program to the client.

Abstract: A quality index value S?, such as a degree of block distortion or edge sharpness, of each frame constituting video data, an error region ratio Q as a ratio of an error region in which a packet error or the like occurs, and a pixel difference level N as a level of difference from color originally used in the video data are calculated, and a quality index value S is calculated based on the calculated quality index value S?, the error region ratio Q, and the video delivery system 2. Accordingly, it is possible to calculate the quality index value indicating quality of video data that is approximately the same as quality determined by a person.

Abstract: In encoding of moving pictures, I-frame is inserted when a scene change occurs. If scene changes frequently occur in the range of a predetermined amount-of-information allocation, the amount of information allocated to an encoding process on I-frame becomes enlarged. Therefore, the amount of information cannot be sufficiently reserved for another coding, thereby considerably degrading the quality of an image. Thus, a scene change detection threshold is obtained depending on the remainder in the VBV buffer, the scene change detection threshold is compared with a scene change detection value for determination of the occurrence of a scene change, and it is determined whether or not a scene change has occurred based on the comparison result.

Abstract: A moving image editing apparatus including: a storage unit configured to store a first moving image; a stack memory configured to, each time a reading request for reading range of a portion of the first moving image from the storage unit, or a writing request for replacement range of a portion of the first moving image with a second moving image is received from a terminal, store the request; and a sending processing unit configured to output, when the reading request is read from the stack memory, to the terminal, a moving image in which the overlapping range of the reading range with regard to the first moving image has been replaced with the second moving image when the second moving image with which a range overlapping a portion of the reading range specified by the reading request is to be replaced has been received.

Abstract: A moving picture coding program directs a computer to perform the procedure of detecting a scene change between images depending on, for example, whether or not summation of absolute values of inter-frame differences has exceeded a threshold, and the procedure of coding image data before a scene change by rough quantization when the scene change is detected.

Abstract: A bitstream conversion apparatus for converting a bitstream of a first format, containing content data, into a bitstream of a second format includes: a splitting unit which splits the bitstream of the first format in time sequential fashion into a plurality of split bitstreams of the first format; a plurality of conversion units which convert the plurality of split bitstreams of the first format into a plurality of split bitstreams of the second format; and a connecting unit which connects the plurality of split bitstreams of the second format to one another.

Abstract: This is a computer-readable portable storage medium which is used by a computer managing a plurality of frame buffers and which stores a program enabling the computer to execute a process, and the process comprises preparing an area in which data of a valid chain indicating a connection among frame buffers storing valid image data of the plurality of frame buffers and data of a vacant chain indicating a connection among frame buffers storing no valid image data, is stored, on memory and generating/updating data of the valid chain and the vacant chain when valid image data is stored in one of the plurality of frame buffers and storing it in the memory.

Abstract: In encoding of moving pictures, I-frame is inserted when a scene change occurs. If scene changes frequently occur in the range of a predetermined amount-of-information allocation, the amount of information allocated to an encoding process on I-frame becomes enlarged. Therefore, the amount of information cannot be sufficiently reserved for another coding, thereby considerably degrading the quality of an image. Thus, a scene change detection threshold is obtained depending on the remainder in the VBV buffer, the scene change detection threshold is compared with a scene change detection value for determination of the occurrence of a scene change, and it is determined whether or not a scene change has occurred based on the comparison result.

Abstract: A moving picture coding program directs a computer to perform the procedure of detecting a scene change between images depending on, for example, whether or not summation of absolute values of inter-frame differences has exceeded a threshold, and the procedure of coding image data before a scene change by rough quantization when the scene change is detected.

Abstract: An original picture inserted for each frame is divided into motion compensation blocks and each of the motion compensation blocks is encoded using motion compensation inter-frame prediction. A fade scene is detected using at least one of a sum of differential absolute values calculated when detecting a motion vector, a total number of motion compensation blocks and a total number of intra-motion compensation blocks being motion compensation blocks encoded as still pictures in addition to a motion vector detected from each of the motion compensation blocks. The encoding of the original picture is controlled, according to the detection result.

Abstract: On the transmitter side, an enhancement layer is hierarchized by expanding a coefficient of orthogonal transformation to a plurality of bit planes or designating a coefficient position in a block. Then, only a coefficient in a position designated by coefficient position information is encoded and streaming distribution is performed. On the receiver side, the coefficient block is restored using the coefficient position information.

Abstract: On the transmitter side, an enhancement layer is hierarchized by expanding a coefficient of orthogonal transformation to a plurality of bit planes or designating a coefficient position in a block. Then, only a coefficient in a position designated by coefficient position information is encoded and streaming distribution is performed. On the receiver side, the coefficient block is restored using the coefficient position information.

Abstract: There is provided a method for automatically set a spatial resolution for an image to be encoded by properties of an image during an encoding process. The method includes the steps of dividing the moving image into blocks and compression encoding the moving image for each of the blocks, decoding an encoded moving image, obtaining a block distortion ratio from a decoded image, and making a resolution decision to select a first resolution lower than a current spatial resolution if the block distortion ratio is greater than a first threshold value or a second resolution higher than the current spatial resolution if the block distortion ratio is smaller than a second threshold value.

Abstract: A region extraction apparatus for extracting a desired region from a moving image, includes a region specifying unit for specifying contour points of a region which is to be extracted, a template creating unit for creating a template of the region which is to be extracted based on the contour points of the region specified by the region specifying unit, a template matching unit for matching the template created by the template creating unit and the moving image, and a template correcting unit for correcting the template depending on a matching result obtained by the template matching unit.