Abstract: A data collection and analysis method includes applying a first noise step to an original data stream with an original character to generate a first data stream with a first character; and applying a second noise step to the first data stream to generate a second data stream with a second character, wherein a first variation between the original character and the first character is greater than a second variation between the original character and the second character.

Abstract: A data collection and analysis method includes applying a first noise step to an original data stream with an original character to generate a first data stream with a first character; and applying a second noise step to the first data stream to generate a second data stream with a second character, wherein a first variation between the original character and the first character is greater than a second variation between the original character and the second character.

Abstract: A data collection and analysis method includes applying a first noise step to an original data stream with an original character to generate a first data stream with a first character; and applying a second noise step to the first data stream to generate a second data stream with a second character, wherein a first variation between the original character and the first character is greater than a second variation between the original character and the second character.

Abstract: A network anomaly analysis apparatus, method, and non-transitory computer readable storage medium thereof are provided. The network anomaly analysis apparatus stores a plurality of network status data and is configured to dimension-reduce each network status datum into a principal component datum, select a first subset and a second subset of the principal component data as the training data and the testing data respectively, derive a classification model by classifying the training data into a plurality of normal data and a plurality of abnormal data, derive a clustering model by clustering the abnormal data, derive an accuracy rate by testing the classification model and the clustering model by the testing data, select a third subset of the principal component data as a plurality of validation data when the accuracy rate fails to reach a threshold, and update the classification model and the clustering model with the validation data.

Abstract: A base station central control server and a base station outage compensation method thereof are provided. After detecting an outage of a first base station, the base station central control server calculates a plurality of compensation indices which correspond to a plurality of second base stations according to base station information of the second base stations, and selects a prior compensation index which corresponds to a third base station. The base station central control server selects a main compensation configuration from a plurality of compensation configurations of the third base station, and notifies the third base station of performing compensation communication based on the main compensation configuration.

Abstract: A central control device and a load balancing method thereof are provided. The central control device includes a network interface, a storage and a processor. The network interface is connected to a plurality of base stations and receives a load parameter from each base station. The storage stores the load parameters. The processor is electrically connected to the storage and the network interface. For each base station, the processor calculates a load indication according to the load parameter thereof to determine whether the base station is an overloaded base station based on the load indication, and calculates an offload priority indication according to the load indication, a quantity of off-loadable resources of at least one neighboring base station, a first weighting factor and a second weighting factor. The processor determines an offload order of the overloaded base stations according to the offload priority indications.

Abstract: A video editing method for a video editing device is provided. The method includes: obtaining an editing segment of a video, wherein the editing segment follows a first segment of the video and precedes a second segment of the video, the first segment includes a first picture, the second segment includes a second picture, and a short-term reference index of the second picture points to the first picture; setting a header of a third picture in the first segment, such that the first picture is moved from a short-term reference picture list to a long-term reference picture list when the header of the third picture is decoded; changing the short-term reference index of the second picture into a long-term reference index, wherein the long-term reference index points to the first picture in the long-term reference picture list; and encoding the video. Accordingly, the speed of editing the video is increased.

Abstract: A central control device and a load balancing method thereof are provided. The central control device includes a network interface, a storage and a processor. The network interface is connected to a plurality of base stations and receives a load parameter from each base station. The storage stores the load parameters. The processor is electrically connected to the storage and the network interface. For each base station, the processor calculates a load indication according to the load parameter thereof to determine whether the base station is an overloaded base station based on the load indication, and calculates an offload priority indication according to the load indication, a quantity of off-loadable resources of at least one neighboring base station, a first weighting factor and a second weighting factor. The processor determines an offload order of the overloaded base stations according to the offload priority indications.

Abstract: A control device and a control method for dynamically adjusting power of small-cell base stations are provided. The control device determines the number of interfered terminals of each small-cell base station according to signal quality information of terminal devices, divides the small-cell base stations into a plurality of groups, and adjusts the power of the small-cell base stations of each group in order.

Abstract: A control device and a control method for dynamically adjusting power of small-cell base stations are provided. The control device determines the number of interfered terminals of each small-cell base station according to signal quality information of terminal devices, divides the small-cell base stations into a plurality of groups, and adjusts the power of the small-cell base stations of each group in order.

Abstract: A high-performance block-matching VLSI architecture with low memory bandwidth for power-efficient multimedia devices is disclosed. The architecture uses several current blocks with the same spatial address in different current frames to search the best matched blocks in the search window of the reference frame based on the best matching algorithm (BMA) to implement the process of motion estimation in video coding. The scheme of the architecture using several current blocks for one search window greatly increases data reuse, accelerates the process of motion estimation, and reduces the data bandwidth and the power consumption.

Abstract: A video editing method for a video editing device is provided. The method includes: obtaining an editing segment of a video, wherein the editing segment follows a first segment of the video and precedes a second segment of the video, the first segment includes a first picture, the second segment includes a second picture, and a short-term reference index of the second picture points to the first picture; setting a header of a third picture in the first segment, such that the first picture is moved from a short-term reference picture list to a long-term reference picture list when the header of the third picture is decoded; changing the short-term reference index of the second picture into a long-term reference index, wherein the long-term reference index points to the first picture in the long-term reference picture list; and encoding the video. Accordingly, the speed of editing the video is increased.

Abstract: A video decoding device is provided. The device includes an error checking unit and a decoding unit. The error checking unit checks the error state of a video data, so as to produce an error information. Then, the decoding unit selectively performs an error concealment process and a decoding process for the video data according to the error information. The video decoding device of the present invention can perform error checking process, error concealment process, and video decoding process for the video data.

Abstract: A method for performing temporal error concealment is provided. The method includes the following steps: detecting a damaged macroblock having four 8×8 damaged blocks; obtaining motion vectors of a plurality of 4×4 neighboring blocks surrounding the damaged macroblock; and for each of the 8×8 damaged blocks, determining a predicted motion vector according to motion vectors of six of the plurality of 4×4 neighboring blocks which are closest to the 8×8 damaged block.

Abstract: A method for assisting in video compression using rotation operation and an image capturing device thereof are provided. In the method, a rotation operation of the image capturing device is detected, and a rotation angle formed by the rotation operation is calculated. The image capturing device is rotated by the rotation angle so as to capture a current frame. In addition, whether a reference frame having a rotation angle information exists in a reference frame list stored in the image capturing device is determined. If not, a rotational motion vector is calculated based on the rotation angle. The current frame is divided into a plurality of current blocks. Among each of the current blocks, a matching block corresponding to the current block is searched in a reference frame of the reference frame list by using the rotational motion vector, and accordingly, the frame data of the current frame is compressed.

Abstract: Methods, software tools and systems for analyzing software applications, e.g., Web applications, are described. A software application to be analyzed is transformed into an abstract representation which preserves its information flow properties. The abstract interpretation is evaluated to identify vulnerabilities using, for example, type qualifiers to associate security levels with variables and/or functions in the application being analyzed and typestate checking. Runtime guards are inserted into the application to secure identified vulnerabilities.

Abstract: A method and a system for cleaning malicious software (malware), a computer program product, and a storage medium are provided. A relation graph is established to associate processes in an operating system and related elements. A node marking action is performed on the relation graph when a predetermined condition is satisfied. The node corresponding to a malicious process and its related nodes are marked with a first label. The nodes of other normal processes and their related nodes are marked with a second label. Then, those nodes marked with both the first label and the second label are screened, so that each of the nodes is marked with only the first label or the second label. Finally, the processes and elements corresponding to the nodes marked with the first label are removed.

Abstract: A server, a user device, and a malware detection method thereof are provided. The server connects with the user device via a network, and records execution records of the user device. Based on the history of the execution records of the user device, the server can detect whether the user device has malwares or not accordingly.

Abstract: A method for adjusting video image compression using a gesture, adapted to compress a video image displayed by an electronic device having a touch screen, is provided. In the method, a video image is displayed on the touch screen. Next, a first touch operation executed by a user on the video image is detected by using the touch screen, and a region of interest (ROI) and a non-ROI in the video image are determined according to the first touch operation. Then, compression methods for the ROI and the non-ROI are adjusted and used to compress the video image in the ROI and the non-ROI.

Abstract: A method for assisting video compression by using a touch screen and a monitoring system are provided. The monitoring system comprises a touch screen and at least one image capturing apparatus. Each image capturing apparatus captures a reference frame. A touch operation performed on the touch screen is detected and a motion vector thereof is computed. The image capturing apparatus is moved according to the motion vector to capture a current frame. The reference frame is divided into reference blocks, and a current block in the current frame corresponding to each reference block is searched according to the motion vector. A difference between each reference block and corresponding current block is compared to determine whether to use the motion vector of the touch operation as the motion vector between the reference block and the current block, so as to compress frame data of the reference block and the current block.