84 results about "Picture Memory" patented technology

A moving picture coding apparatus (10) for performing inter-picture predictive coding on pictures constituting a moving picture is provided with a coding unit (103) for performing predictive error coding on image data; a decoding unit (105) for performing predictive error decoding on an output from the coding unit (103); a reference picture memory (117) for holding output data from the decoding unit (105); and a motion vector detection unit (108) for detecting forward and backward motion vectors on the basis of decoded image data stored in the memory (117) When coding a B picture, a picture that is timewise closest to the target picture is used as a candidate picture for forward reference, and an I or P picture that is timewise closest to the target picture is used as a candidate picture for backward reference. The moving picture coding apparatus (10) so constructed can improve coding efficiency of a B picture to be subjected to bidirectional predictive coding.

There is provided an image decoding method for decoding a picture to be decoded by referencing an appropriate picture even when random access reproduction is performed. The method includes: a first storage step (S100-S104) for successively decoding respective pictures contained in a stream and storing the pictures used for reference in a picture memory (103), thereby performing management; a judgment step (S106) for judging whether a random access reproduction has been specified; a state modification step (S108) used when it is judged that the random access reproduction has been specified, for modifying the management state for managing the pictures in the picture memory (103); and a storage step (S100-S104) for successively decoding the respective pictures from the random access reproduction destination assuming that the modified management state is the initial state and storing the pictures used for reference in the picture memory (103), thereby performing management.

A picture reducing circuit 1 reduces a supplied original picture. A higher picture memory 2 stores an input higher picture. A predictive tap extracting circuit 3 extracts predictive taps from the higher picture stored in the higher picture memory 2 and outputs the extracted predictive taps to a mapping circuit 4, predictive coefficient generating circuit 5, and pixel value updating circuit 8. The mapping circuit 4 calculates a linear combination of predictive taps and predictive coefficients and obtains a predictive picture. The predictive picture is output to an error calculating circuit 6. The error calculating circuit 6 calculates an error (S / N ratio) between pixel value of the predictive picture and that of the original picture. A comparing and determining circuit 7 controls a non-linear processing circuit 9 corresponding to the difference of the errors. The non-linear processing circuit 9 adds or subtracts a predetermined value to / from the pixel value of each pixel of the updated higher picture corresponding to the variation amount of pixel value updated by the pixel value updating circuit 8.

The invention discloses an intelligent remote controller capable of automatically selecting a control target and a control method thereof. The intelligent remote controller is formed by arranging a camera and a picture memory on a conventional multifunctional remote controller, wherein the camera is provided with a movable inductive switch. Before a controlled household electrical appliance is used, the picture information of the controlled household electrical appliance is acquired by the camera and then is stored into the picture memory; and when the intelligent remote controller is used, the camera of the remote controller is taken to automatically shoot the aimed household electrical appliance, a central processing unit compares a new picture with each picture in the memory and selects corresponding household electrical appliance information, and then the control function of the remote controller is automatically switched to the aimed household electrical appliance. The intelligent remote controller capable of automatically selecting the control target achieves the function of automatically selecting the control target, namely, the aimed is the controlled; and the control method of the invention is applied to a multifunctional household electrical appliance remote controller.

The invention discloses a picture server and a picture data providing method. The server comprises a network interface, a type judging device, a compression ratio judging device, a picture processor and a picture memory suitable for memorizing picture data corresponding to picture information. The compression ratio judging device is suitable for presetting and memorizing comparison tables between terminal type information or network type information and a picture compression ratio, and determining the compression ratio of the picture corresponding to the terminal type or network type information. Therefore, the problems that when a mobile terminal accesses the picture, the loading speed is low and more network flows are consumed are solved; the mobile terminal can load the picture quickly; and the flow consumption in the picture accessing process is reduced.

The invention relates to an embedded touch-sensitive type multi-steady-state liquid crystal device. The device adopts an embedded touch-sensitive mode, and integrates a capacitive-type touch-sensitive sensing layer with a multi-steady-state liquid crystal box, and the capacitive-type touch-sensitive sensing layer and the multi-steady-state liquid crystal box can share some of components (such as a substrate and an electrode); liquid crystal molecules in the multi-steady-state liquid crystal box are distributed stably, so the water ripple phenomenon does not appear in the touch-sensitive process, and the picture memory and maintaining state do not need to be continuously powered so as to achieve zero power consumption display; a liquid crystal display control module and a touch-sensitive sensing control module are set and are communicated with a host computer, so that the touch-sensitive sensing input and processing and the like as well as the display output are staggered in time and independently of each other, thereby completely solving the problem of the mutual interference of touch-sensitive sensing components and a display circuit, and achieving the purposes of strong anti-interference ability, smaller water ripple, high stability, and good display effect.

An apparatus, method and computer program product for transmitting a plurality of still pictures extracted from a picture stream. The apparatus includes a transmission request receiving unit for receiving a transmission request for the still pictures, and a transmission sequence determining unit for determining a transmission sequence for the still pictures which is different than the sequence of the still pictures in the picture stream. Also included is a transmission unit for transmitting the still pictures according to the determined transmission sequence. Further, a display apparatus, method and computer program product for displaying a plurality of still pictures extracted from a picture stream is also provided. The display apparatus includes a still picture receiving unit for receiving a table having values corresponding to a sequence of the still pictures included in the picture stream, and for receiving any still pictures transmitted from an external apparatus. A still picture memory unit is coupled to the receiving unit, and stores the table and any received still pictures. In addition, a still picture control unit is coupled to the memory unit, and reads the table and determines whether or not a still picture corresponding to a value in the table is stored in the memory unit, and if the still picture is not stored in the memory unit, select another still picture that is saved in the memory unit and is closest in sequence to the still picture. A display unit displays the still pictures selected by the control unit.

Picture quality degradation which occurs in a miniaturized image pick-up lens can be favorably corrected when image pick-up of a color picture is performed by providing an optical color filter on an image pickup surface of one piece of image pickup device. Through an image pick-up lens 1, image light is focused on an image pickup surface of an image pickup unit 2 for which a checkerboard shaped primary color filter is provided. An electrical signal taken out from the image pickup unit 2 is supplied to an A / D conversion circuit 3 to be converted into raw data of each primary color and is supplied to a first camera signal processing circuit 61 without any change. In the first camera signal processing circuit 61, only basic video signal processing such as, for example, gamma-correction or the like is performed. Then, the raw data of each primary color processed in the first camera signal processing circuit 61 is stored in a picture memory 4. Further, the raw data of each primary color stored in the picture memory 4 is supplied to a magnification-reduction circuit 94 functioning as a first resolution conversion processing circuit for correcting the chromatic aberration of a lens.

A picture processor for a video conference device, etc., can be used easily by carrying it into a room other than the video conference room, has an object of enabling the display of the input picture to be switched freely even if the picture of the line drawing is displayed together with the input picture. The picture of a line drawing, etc., is held at the corresponding position even in cases where the display of the input picture is switched by updating the input picture data, which is stored in the input picture memory 40, on the basis of the line drawing data and by writing the picture expressed with the line drawing data directly in the input picture, which is stored in the input picture memory 40.

The invention relates to a system and a method for quickly previewing pictures. The system comprises a preview starting module, an information storage module, a judgment module, a picture resolving module and a picture display module, wherein the preview starting module receives the current file catalog preview instruction, and sends a picture pointer list in the current file catalog; the information storage module stores resolved picture pointers of all file catalogs in a memory and a mapping list of picture memory pointers; the judgment module judges whether the picture pointers in the current file catalog are matched with any picture pointers in the mapping list according to the picture pointer list and the mapping list, sends the picture memory pointers corresponding to the matched picture pointers to the picture display module for display, and sends the non-matched picture pointers to the picture resolving module for resolving; and the acquired picture memory pointers are displayed and stored. According to the system, the resolved picture data is directly called when pictures are previewed, and the non-resolved pictures are resolved, so that the processing speed of previewing the pictures is increased.

In order to realize effective picture compression without significantly impairing the resolution, it is proposed that the picture to be compressed be subdivided into a plurality of picture areas, for example into picture blocks each having 16×16 pixels, and the picture areas be subdivided into a plurality of layers, in particular into three layers, which correspond to different sampling patterns. The pixels (13-15) of a layer are in each case predicted from adjacent pixels of the other layers, in particular of the already previously processed and coded layers, the prediction area being coded. The invention is suitable in particular for use in video coders or video decoders with motion-compensated prediction, in order to compress the reference picture to be stored in a reference picture memory (5).

The invention relates to a memory method for displaying picture and a relative system, wherein said method comprises: a, serially stating the pixel number with same colors in each row in the memory, combining the stated value and the pixel color value into one vector pixel to be stored in memory; b, releasing the original pixel storage space from the memory. And said system comprises: a picture processing unit for serially stating the pixel number with same colors in each row in the memory and combining the stated value with the pixel color value into one vector pixel; a picture memory unit for storing the vector pixel and releasing the original pixel space of picture. The invention can save the memory space of each picture.

The invention provides a picture memory managing method and apparatus for an android operation system. The provided android operation system picture memory managing method comprises the following steps of (a) creating a Lrucache hard reference caching module and setting the caching maximum value of the Lrucache hard reference caching module 1; (b) creating a soft reference picture caching module and setting the number of pictures allowed to be stored in the soft reference picture caching module; (c) creating a picture adding caching module 3 used for loading pictures in the Lrucache hard reference caching module in a memory according to picture addresses sent from application programs; (d) and creating a picture acquisition caching module. When pictures stored before are required by application programs, picture addresses and sizes are sent to the picture acquisition caching module. The picture memory managing method and apparatus for the android operation system can optimize the picture memory use of application programs and make users view pictures in a clear and smooth way. Furthermore, the user experience is improved.

A moving image coding apparatus (10) for performing inter-picture predictive coding on pictures constituting a moving image is provided with a coding unit (103) for performing predictive error coding on image data; a decoding unit (105) for performing predictive error decoding on an output from the coding unit (103); a reference picture memory (117) for holding output data from the decoding unit (105); and a motion vector detection unit (108) for detecting forward and backward motion vectors on the basis of decoded image data stored in the memory (117). When coding a B picture, a picture thatis timewise closest to the target picture is used as a candidate picture for forward reference, and an I or P picture that is timewise closest to the target picture is used as a candidate picture forbackward reference. The moving image coding apparatus (10) so constructed can improve coding efficiency of a B picture to be subjected to bidirectional predictive coding.

A two-dimensional filter arithmetic device comprises a picture memory (300), a line memory (400), a vertical filtering unit (100) which includes nine first filter modules installed in parallel, a buffer (500) for timing adjustments, and a horizontal filtering unit (200) which includes four second filter modules installed in parallel. From the line memory (400), the pixel values of nine full pels per line are inputted in parallel to the vertical filtering unit (100), nine vertically-filtered values of half pels are generated and inputted to the horizontal filtering unit (200); thereby, four two-dimensionally-filtered values of half pels are generated.

The invention discloses a display system and an electricity saving method thereof. The display system comprises a chip set, a video transmission interface, a display panel and a picture memory unit, wherein the video transmission interface is coupled between the chip set and the display panel. The electricity saving method comprises the following steps that: pictures of a video stream are stored in the picture memory unit adaptively; according to a previous picture and a current picture of the video stream, the chip set judges whether the current picture is a dynamic picture or a static picture; and when the current picture is the static picture, the video transmission interface is operated in an electricity-saving mode and the display panel displays the pictures stored in the picture memory unit. By the electricity saving method, the electricity consumption of the display system can be reduced.

The invention discloses a picture setting system and method. The system comprises an acquiring module for acquiring an added photo from a updated preset picture memory space; a determining module for determining whether the added photo is a person photo by a preset first algorithm; a matting module for capturing a person picture from the added person photo when it is determined that the added photo is a person photo and saving the captured person picture in a preset database; a matching module for matching the person picture saved in the database with a contact in an address book; and a setting module for setting the picture corresponding to the contact as a person picture corresponding to a tag matching the contact. The system and the method may automatically update communication backgrounds or head portraits, improves intimacy in user communication, and enhances user experience.

The invention provides a platform board with a vehicle speed monitoring device. The platform board comprises a platform board, a camera, a photographing device, a speed measuring radar, a radar reading device, a picture memory, a solar panel, a street lamp, a storage battery, a lamp post, a player, a control processor, a signal receiver, an LED display, and a bus indicator. The speed measuring radar monitors signals emitted by vehicles and then transmits signals to the radar reading device. The radar reading device transmits the converted vehicle speed data to the control processor. The control processor controls the camera and the photographing device. The camera is responsible for the real-time shooting. The photographing device photographs overspeed vehicles according to the instruction of the control processor, and then the photographed pictures of vehicles are finally transferred to the picture memory. According to the technical scheme of the invention, not only a bus route can be clearly displayed, but also a solar street lamp is additionally arranged. The function of prompting the pull-in time of a bus and other various functions are realized. Moreover, a vehicle speed monitoring device is arranged. Therefore, overspeed vehicles are effectively monitored and photographed, so that the traffic is safer. The lives of people are more convenient.

The invention discloses a picture loading method, a terminal and a computer readable storage medium. According to the method, when a to-be-loaded picture does not exist in a preset memory of a picture cache memory, whether or not a first picture with the size difference with the to-be-loaded picture in a preset size difference range exists in pictures, not displayed on a screen currently, in the preset memory is judged; if yes, the memory of the first picture is obtained, the to-be-loaded picture is obtained, the memory of the first picture is updated by means of the to-be-loaded picture, and the to-be-loaded picture is displayed; otherwise, a memory is allocated for the to-be-loaded picture from the picture cache memory, the to-be-loaded picture is obtained, picture information of the to-be-loaded picture is drawn on the allocated memory, the to-be-loaded picture is displayed, and a memory corresponding to the to-be-loaded picture is included into the preset memory. According to the method, by means of reuse of the picture memory in a picture memory cache, the problem that in the prior art, a picture loader continuously releases and allocates the memory and accordingly memory thrashing is caused is solved, adverse effects caused by memory thrashing are improved, and the user experience is improved.

A picture reducing circuit 1 reduces a supplied original picture. An upper hierarchical level picture memory 2 stores an input upper hierarchical level picture. A predictive tap obtaining circuit 3 extracts a predictive tap from the upper hierarchical level picture stored in the upper hierarchical level picture memory 2 and outputs the extracted predictive tap to a predictive coefficient calculating circuit 4, a pixel value updating circuit 5, and a mapping circuit 6. The predictive coefficient calculating circuit 4 generates an observation equation using the predictive tap as student data and pixels of an original picture corresponding thereto as teacher data, solves the observation equation, and generates predictive coefficients. The pixel value updating circuit 5 generates an observation equation using the predictive coefficient as student data received from the predictive coefficient calculating circuit 4 and original picture data corresponding thereto as teacher data, solves the observation equation, and simultaneously obtains optimum values of a plurality of updated pixel values corresponding to given coefficients.

Provided is a moving picture decoding apparatus including: a picture memory (103) that stores previously decoded picture data of a picture including macroblocks and macroblock information described on a macroblock basis, in association therebetween; an error judging unit (104) that judges presence or absence of an error for a current picture to be decoded; a picture data replacing unit (109) that replaces, when an error is present, picture data of the current picture to be decoded with that of a previously decoded picture in the picture memory (103); and a macroblock information replacing unit (113) that replaces macroblock information in association with the current picture to be decoded including an error with macroblock information stored in association with the previously decoded picture, or a macroblock information storage unit (602) that stores information that indicates presence of the error for the current picture to be decoded in association therewith.

A picture processing apparatus includes a decoder configured to decode encoded data to generate a decoded picture. A picture memory has a plurality of banks each containing a plurality of pages to which row addresses are assigned, and is configured to store the decoded picture. A bank selector is configured to divide the decoded picture into a plurality of blocks, and to select a page of a different bank as a write location for a block adjacent in at least one of either a horizontal direction or a vertical direction. A write controller is configured to write pixel data of pixels occupying even lines of each of the blocks, and pixel data of pixels occupying odd lines of each of the blocks in a column address direction of each of the page in an alternating manner.

No flicker is displayed on the display screen during display of moving pictures and power consumption can be reduced by adding a high quality moving picture display function. Moreover, the number of times of transfer of moving pictures by comprising a still-picture•text•system•I / O bus•interface and a moving picture interface (external display interface), providing a display operation change register (DM) and a RAM access change register (RM) which are changed selectively depending on display content (display mode) displayed on a display device and displaying the display data on the display device via a picture memory even in the moving picture display mode.

The disclosed enhance device for display effect of TV picture comprises: an overlay controller, a picture memory, a picture decoder register, a picture frame memory, a picture frame selector, a picture frame decoder register, a picture decoder, and a picture synthesizer. This invention provides a kind of individual service for user.

A picture display apparatus for displaying a picture in response to inputted picture signals of an arbitrary format. The apparatus includes a picture display unit having an arranged matrix of dots for picture display, a picture display unit drive for converting inputted picture signals into display picture signals adapted for display on the picture display unit and generating drive timing signals for driving the picture display unit, the picture display unit driver including a picture memory for storing picture signals inputted into the picture memory, a display position detector for detecting a picture display position on the picture display unit based on the display picture signals and the drive timing signals, and a display position controller for controlling a timing of admission of the inputted picture signals to the picture memory of the picture display unit driver, based on the detected display position data from the display position detector. The picture display unit, the picture display unit driver, the display position detector and the display position controller are integrated to form the picture display apparatus for receiving the inputted picture signals of an arbitrary format.

The invention provides a moving image coding method and a moving image coding device. The moving image coding device (10a) comprises a level analyzer (100a) that determines the maximum number of codable on-screen pixels (Nfpx) based on a level identifier (Lst) indicating a user-specified coding level and the maximum number of stored pixels (Nspx) that can be stored in the picture memory of a decoding device. Based on the maximum number of on-screen pixels (Nfpx) and an input image size (number of vertical pixels (Nhpx) and number of horizontal pixels (Nwpx)), the moving image coding device (10a) determines i f an input image can be coded and, at the same time, calculates the maximum number of reference pictures (Nrpn) that is the number of reference candidat e pictures that can be referenced during inter-picture predictive coding. A decoding device, which receives a code string from such a moving picture coding device (10a), can always decode the code string properly and can perform inter-picture predictive decoding corresponding to inter-picture predictive coding on the coding side. As a result, it is possible to design the memory area of a coding device and a decoding device compatible with a coding method that does not limit the capacity of the memory area.

No flicker is displayed on the display screen during display of moving pictures and power consumption can be reduced by adding a high quality moving picture display function. Moreover, the number of times of transfer of moving pictures by comprising a still-picture•text•system•I / O•bus interface and a moving picture interface (external display interface), providing a display operation change register (DM) and a RAM access change register (RM) which are changed selectively depending on display content (display mode) displayed on a display device and displaying the display data on the display device via a picture memory even in the moving picture display mode.