WO2012100605A1 - 图片管理方法、移动终端及计算机存储介质 - Google Patents

图片管理方法、移动终端及计算机存储介质 Download PDF

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Publication number
WO2012100605A1
WO2012100605A1 PCT/CN2011/083976 CN2011083976W WO2012100605A1 WO 2012100605 A1 WO2012100605 A1 WO 2012100605A1 CN 2011083976 W CN2011083976 W CN 2011083976W WO 2012100605 A1 WO2012100605 A1 WO 2012100605A1
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WIPO (PCT)
Prior art keywords
picture
memory space
memory
identifier
image
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PCT/CN2011/083976
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English (en)
French (fr)
Inventor
丁寻
马斌
万鑫
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腾讯科技(深圳)有限公司
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Publication of WO2012100605A1 publication Critical patent/WO2012100605A1/zh
Priority to US13/950,690 priority Critical patent/US20130311742A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/0223User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023Free address space management
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39Control of the bit-mapped memory
    • G09G5/393Arrangements for updating the contents of the bit-mapped memory
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G06F12/0871Allocation or management of cache space
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0891Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using clearing, invalidating or resetting means
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/001Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10Providing a specific technical effect
    • G06F2212/1041Resource optimization
    • G06F2212/1044Space efficiency improvement
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1415Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/12Frame memory handling
    • G09G2360/121Frame memory handling using a cache memory
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/18Use of a frame buffer in a display terminal, inclusive of the display panel
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/02Networking aspects
    • G09G2370/022Centralised management of display operation, e.g. in a server instead of locally
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/02Networking aspects
    • G09G2370/027Arrangements and methods specific for the display of internet documents

Definitions

  • the present invention relates to computer technology, and in particular, to a picture management method, a mobile terminal, and a computer storage medium.
  • the mobile Internet has been accepted by more and more netizens, and it has become one of the indispensable Internet access methods for most users. It is widely used not only in daily leisure and entertainment, but also in the work of users. It has also been widely used.
  • Mobile terminals such as mobile phones and tablets are Internet devices that mobile Internet users often use. Users can send and receive pictures through their mobile phones or tablets. However, since the memory space used by these mobile terminals for picture processing is too small, the user often makes mistakes when operating the picture, which makes the operation efficiency very low.
  • a picture management method includes the following steps: receiving a picture; buffering the received picture into a memory space; determining whether a remaining size of the memory space is less than a threshold, and if so, releasing the memory space.
  • a mobile terminal comprising: a receiving module, configured to receive a picture; a memory space, configured to cache the received picture; and a memory control module, configured to determine whether a remaining size of the memory space is less than a threshold, and if yes, release the Memory space.
  • the image management method, the mobile terminal, and the computer storage medium determine whether the memory space is less than a threshold in the process of acquiring a picture, and if the memory space is less than the threshold, the memory space is released, thereby saving memory space, thereby providing sufficient processing for the image processing.
  • the memory space reduces the error rate when performing picture operations and improves the efficiency of picture operations.
  • Embodiment 1 is a flowchart of a picture management method in Embodiment 1;
  • Embodiment 2 is a flowchart of a picture management method in Embodiment 2;
  • Embodiment 3 is a flowchart of a picture management method in Embodiment 3.
  • FIG. 4 is a schematic structural diagram of a mobile terminal in Embodiment 4.
  • Embodiment 5 is a schematic structural diagram of a mobile terminal in Embodiment 5.
  • FIG. 6 is a schematic structural diagram of a query module in Embodiment 6.
  • FIG. 1 shows a picture management method in Embodiment 1, including the following steps:
  • the picture identifier may uniquely identify the picture, and the picture identifier may be a background server. Uniform distribution.
  • the picture identifier can be an identification code ( Pid ), unique information such as the name of the logo.
  • Pid an identification code
  • other users will take a picture obtained by taking a picture or select a picture stored locally, and then click the 'send' button to send the picture out through the network. At this time, the picture is received and the picture identifier assigned to the received picture is received.
  • the received image is cached into the memory space.
  • the received image is stored in the memory space by using the image identifier as an index.
  • the identifier may be stored in the memory space as the key value of the image or the name of the image.
  • the picture information is received, where the picture information includes a codec format of the picture, a size of the picture, a storage space occupied by the picture, a compression ratio of the picture, and a generation time of the picture.
  • the received picture information is stored in the memory space together with the picture.
  • step S50 it is determined whether the remaining size of the memory space is less than a threshold, and if yes, the process proceeds to step S70. .
  • the memory free space is insufficient, that is, the usage of the memory space is detected.
  • the remaining size of the unused memory space is less than the set threshold, it is considered that the memory is insufficient.
  • step S50 The specific process is: detecting the memory allocated by the image processing and the total memory usage. When the remaining size of the memory space is less than the threshold, the memory is considered insufficient.
  • step S50 The specific process is: listening to the event that triggers the image processing operation, such as displaying, storing, editing, deleting, optimizing, sending and receiving, etc. of the image, and obtaining the memory and total allocated by the image processing when the event of the above image processing operation occurs. The size of the memory, when the remaining size of the memory space is less than the set threshold, the memory is considered insufficient.
  • step S70 In, free up memory space.
  • the picture cached in the memory space needs to be released to expand the remaining size of the memory.
  • the user's memory space occupied by the least frequently accessed picture is released.
  • the step of releasing the memory space is specifically: calculating the weight of each picture according to the access status and the image size in the picture cached by the memory space; comparing the weights of all the pictures to obtain the picture with the smallest weight; and deleting the minimum weight image.
  • the access status in the picture includes the number N of user views, the time T last viewed by the user, and so on.
  • a weight W is assigned to the image stored in the memory space, and the weight is composed of the following: the number N of user views, the time T of the last time the user viewed, and the size S of the image.
  • a , b , and c are constants, which are empirically derived values, and t is the current time.
  • the picture with the smallest weight is the least frequently accessed picture.
  • the step of storing the acquired image in the memory space in the image management method further includes the step of storing the image in the memory space into the local disk file.
  • the image in the memory space is periodically stored in the local disk file to release the memory space.
  • the user can manually save the image to its local disk file when viewing the image. in.
  • the step of receiving a picture further includes the step of returning the picture identifier.
  • the user who sends the picture returns whether the picture assigned to the picture identifier and the picture to which the picture is sent has been successfully sent.
  • FIG. 1 The method flow of the image management in the second embodiment is shown. Before the user performs the image viewing, the image management method further includes:
  • step S201 in response to the user operation, and determining whether the operated picture exists according to the picture identifier, if yes, proceeding to step S203 If not, proceed to step S205 .
  • the user triggers the operation of viewing the picture. At this time, it is first determined whether the operated picture exists. If the operated picture already exists, the request does not need to be initiated to receive the picture through the network, and only the picture of the operation needs to be found. And it can be displayed. If the picture of the operation does not exist, you need to initiate a request to receive the picture through the network.
  • step S203 a picture of the operation is found and displayed.
  • step S205 a picture and a picture identifier assigned to the picture are received.
  • FIG. 3 shows a method flow of a picture management in a specific embodiment, where the picture management method includes the following steps:
  • step S301 it is determined whether there is an operation picture in the file of the memory space cache according to the picture identifier, and if yes, proceed to step S305. If not, proceed to step S303. .
  • the file cached in the memory space is stored by using the image identifier as an index.
  • the picture identifier it is determined whether there is already a picture with the same picture identifier in the memory space. If yes, the picture of the operation is searched in the memory space, the page is refreshed and the picture is displayed, and if not, the image of the operation is found in the local disk file. .
  • step S303 it is determined whether there is an operation picture in the local disk file, and if yes, the process proceeds to step S305. If no, go to step S307 Medium. In this embodiment, it is determined whether the image of the operation exists in the local file according to the picture identifier, and if yes, the picture corresponding to the picture identifier is searched in the local disk file, the page is refreshed and the picture is displayed; if not, the request is received. The image and the image identifier assigned to the image.
  • step S305 a picture of the operation is found and displayed.
  • step S307 a picture of the reception operation and a picture identification assigned to the picture are requested.
  • the mobile terminal includes a receiving module 10 and a memory space. 30 and memory control module 50.
  • the receiving module 10 is configured to receive a picture.
  • the receiving module 10 A picture identifier is also received for the received picture, and the picture identifier can uniquely identify the picture.
  • the picture identifier can be unique information such as an identification code and an identifier name.
  • Other users will take pictures obtained by taking pictures or select the pictures stored in their local disk files, and then click the 'send' button to send the pictures out through the network.
  • the server receives the picture and assigns the picture identifier corresponding to the picture. .
  • the memory space 30 is used to cache the received image.
  • the memory space 30 The image is stored by using the image identifier as an index.
  • the identification code may be stored as a key value of the image or a name of the image.
  • the image information is also stored, and the image information includes the encoding and decoding format of the image, the size of the image, the storage space occupied by the image, the compression ratio of the image, and the generation time of the image. Store the received picture information along with the picture in the memory space 30 in.
  • the memory control module 50 is configured to determine whether the remaining size of the memory space is less than a threshold, and if so, release the memory space. Memory Control Module 50 Check whether there is an out of memory condition, that is, check the memory usage. When the unused memory space 30 is less than the set threshold, the memory shortage condition is considered.
  • the memory control module 50 Detects the memory allocated for image processing and the total memory usage. When the remaining size of the memory space is less than the threshold, the memory is considered insufficient. Moreover, in another embodiment, the memory control module 50 It can also listen to events that trigger image processing operations, such as display, storage, editing, deletion, optimization, and sending and receiving of events, and obtain the memory and total memory size allocated by the image processing when the above image processing operation occurs. When the remaining size of the memory is less than the set threshold, the memory is considered insufficient.
  • the memory control module 50 frees up the memory space occupied by the least frequently accessed pictures. Specifically, the memory control module 50 According to memory space 30
  • the access status and the image size in the picture calculate the weight of each picture, compare the weights of all pictures to get the picture with the smallest weight, and delete the picture with the smallest weight.
  • the access status in the image includes the number of user views N , the time T last viewed by the user, and so on.
  • the memory control module 50 assigns a weight W to the pictures stored in the memory space 30, and the weight is composed of the following parts: the number of times the user views N , the time T that the user last viewed, and the size S of the picture. Whenever a picture is added to the memory space or the user triggers the operation of viewing the picture, the value of one or a few weight components is changed, and the weight W is calculated by the following formula:
  • a , b , and c are constants, which are empirically derived values, and t is the current time.
  • the mobile terminal 30 It also includes a local storage module that stores the images in the memory space in a local disk file.
  • the local storage module periodically buffers the memory space.
  • the image in the file is saved in the local disk file to release the cached image in the memory space 30.
  • the user can manually save the image to his local disk file while viewing the image.
  • the server also returns a picture identification to the user who sent the picture.
  • the server returns the picture identifier assigned to the picture to the user who sent the picture and the user who sent the picture whether the picture has been successfully sent.
  • FIG. 5 shows the mobile terminal in the fifth embodiment, the mobile terminal further includes a query module 60 and a refresh module 70.
  • the query module 60 is configured to respond to the user operation, and determine whether the operated image exists according to the picture identifier, and if yes, notify the refresh module. If not, the receiving module 10 is notified.
  • the user triggers an operation of viewing a picture
  • the query module 60 First, responding to the user operation, and determining whether the operated picture exists according to the picture identifier. If the operated picture already exists, there is no need to initiate a request to obtain a picture from the network, and only need to refresh the module. The picture of the operation is found and displayed. If the picture of the operation does not exist, the receiving module 10 needs to initiate a request to obtain the picture from the network.
  • Refresh module 70 is used to find and display pictures.
  • the receiving module 10 is further configured to receive a picture identifier allocated for the received picture.
  • the query module 60 includes a cache file query unit 61 and a local disk query unit. 63.
  • Cache file query unit 61 And determining, according to the picture identifier, whether there is an operation picture in the file of the memory space cache, and if yes, notifying the refresh module, and if not, notifying the local disk query unit 63.
  • the cache file query unit 61 According to the picture identifier, it is determined whether there is already a picture with the same picture identifier in the memory space, and if so, the refresh module 70 is in the memory space 30 In the picture of the search operation, the page is refreshed and the picture is displayed. If not, the local disk query unit 63 queries whether the picture of the trigger operation exists in the local disk file.
  • the local disk query unit 63 is configured to determine, according to the picture identifier, whether there is an operation picture in the local disk file, and if yes, notify the refresh module. 70 Find and display the picture that triggered the operation, and if not, notify the receiving module 10 to request the picture of the operation.
  • the local disk query unit 63 According to the picture identifier, it is determined whether the image of the operation already exists in the local disk file, and if so, the refresh module 70 Find a picture in the local disk file that matches the picture ID, refresh the page and display the picture, and if not, request to obtain the picture of the operation.
  • each picture processed by the server is assigned a unique picture identifier by the server, and when the mobile terminal stores the received picture, the picture identifier is stored as a key value of the picture in the memory.
  • the name is stored as the name of the picture.
  • the server searches for the memory space through the image identifier that needs to be viewed. If there is no such image in the memory space, the local image file is searched according to the image identifier. If the image with the same image identifier is found, the image is viewed by the user. image.
  • the mobile terminal When the mobile terminal sends a picture, it will receive the identification code of the picture sent by the server, and know whether the picture has been sent successfully.
  • a computer storage medium storing computer executable instructions for executing the above picture management method is also provided.
  • the specific steps of the computer-executable instructions in the computer storage medium are as described in the above method, and are not described herein again.
  • the image management method and system can be applied to a mobile terminal, for example, a mobile terminal having a small memory space such as a smart phone or a tablet computer.
  • the image management method and system can receive and display a picture in a client of the mobile terminal. .
  • the image management method, the system, and the computer storage medium determine whether the memory space is less than a threshold in the process of acquiring a picture, and if the memory space is less than the threshold, the memory space is released, thereby saving memory space, thereby providing sufficient memory for processing the picture. Space reduces the incidence of errors when performing image operations and improves efficiency.

Abstract

一种图片管理方法,包括以下步骤:接收图片;将接收到的图片缓存到内存空间中;判断所述内存空间的剩余大小是否小于阈值,若是,则释放内存空间。上述图片管理方法、移动终端及计算机存储介质中在获取图片的过程中判断内存空间是否小于阈值,若该内存空间小于阈值则释放该内存空间,节省了内存空间,从而为图片的处理提供足够的内存空间,减少了进行图片操作时的错误发生率,提高了图片操作效率。

Description

图片管理方法、移动终端及计算机存储介质
【技术领域】
本发明涉及计算机技术,特别是涉及一种图片管理方法、移动终端及计算机存储介质。
【背景技术】
随着移动互联网的发展,移动互联网已经被越来越多的网民所接受,成为大多数用户必不可少的上网途径之一,不但在平时的休闲娱乐中广泛使用,而且在用户的工作过程中也同样得到了广泛的使用。
手机和平板电脑等移动终端是移动互联网用户常常使用的上网设备,用户可自行通过手机或平板电脑进行图片的收发操作。但是,由于这些移动终端用于进行图片处理的内存空间太小,使得用户在对图片进行操作时常常发生错误,使得操作效率非常低下。
【发明内容】
基于此,有必要提供一种可节省内存空间的图片管理方法。
此外,还有必要提供一种可节省内存空间的移动终端。
另外,还有必要提供一种可节点内存空间的计算机存储介质。
一种图片管理方法,包括以下步骤:接收图片;将接收到的图片缓存到内存空间中;判断所述内存空间的剩余大小是否小于阈值,若是,则释放内存空间。
一种移动终端,包括:接收模块,用于接收图片;内存空间,用于缓存接收到的图片;内存控制模块,用于判断所述内存空间的剩余大小是否小于阈值,若是,则释放所述内存空间。
一种用于存储计算机可执行指令的计算机存储介质,所述计算机可执行指令用于控制计算机执行一种图片管理方法,所述方法包括:
接收图片;
将接收到的图片缓存到内存空间中;
判断所述内存空间的剩余大小是否小于阈值,若是,则释放内存空间。
上述图片管理方法、移动终端及计算机存储介质中在获取图片的过程中判断内存空间是否小于阈值,若该内存空间小于阈值则释放该内存空间,节省了内存空间,从而为图片的处理提供足够的内存空间,减少了进行图片操作时的错误发生率,提高了图片操作效率。
【附图说明】
图 1 为实施例一中的图片管理方法的流程图;
图 2 为实施例二中的图片管理方法的流程图;
图 3 为实施例三中的图片管理方法的流程图;
图 4 为实施例四中的移动终端的结构示意图;
图 5 为实施例五中的移动终端的结构示意图;
图 6 为实施例六中的查询模块的结构示意图。
【具体实施方式】
图 1 示出了实施例一中的图片管理方法,包括以下步骤:
在步骤 S10 中,接收图片。本实施例中,在收发图片的操作中,接收其他用户发送过来的图片,并获取为接收的图片分配的图片标识,该图片标识可对该图片进行唯一的标识,图片标识可以是后台的服务器进行统一分配的。例如,图片标识可以是标识码( pid )、标识名称等具有唯一性的信息。例如,其他用户将通过拍照获得的图片或者选择自身本地存储的图片,然后点击'发送'按键,将图片通过网络发送出去,此时,接收该图片以及为接收的图片分配的图片标识。
在步骤 S30 中,将接收到的图片缓存到内存空间中。本实施例中,以图片标识作为索引将接收到的图片存入内存空间中,此外,也可将标识码作为图片的键值或者图片的名称将图片存入内存空间中。在步骤 S30 中,接收图片信息,该图片信息包括图片的编解码格式、图片的尺寸、图片所占用的存储空间、图片的压缩比、图片的生成时间等信息。 将接收到的图片信息与图片一起存储在内存空间中。
在步骤 S50 中,判断内存空间的剩余大小是否小于阈值,若是,则进入步骤 S70 。本实施例中,查询是否出现内存剩余空间不足的状况,即检测内存空间的使用情况,当未使用的内存空间的剩余大小小于设定的阈值时,即认为出现了内存不足的状况。
在一个实施例中,步骤 S50 的具体过程为:检测为图片处理所分配的内存和总的内存的使用情况,当内存空间的剩余大小小于阈值时,即认为内存不足。在另一个实施例中,步骤 S50 的具体过程为:侦听触发图片处理操作的事件,例如图片的显示、存储、编辑、删除、优化以及收发等事件,并获取发生以上图片处理操作的事件时图片处理所分配的内存和总的内存的大小,当内存空间的剩余大小小于设定的阈值时,即认为内存不足。
在步骤 S70 中,释放内存空间。本实施例中,当内存不足时,需要释放内存空间中缓存的图片,以扩大内存的剩余大小。
在优选的实施例中,当内存不足时,释放掉最不经常访问的图片所占用户的内存空间。具体地,释放内存空间的步骤具体是:根据内存空间缓存的图片中的访问状况以及图片大小计算每一图片的权值;比较所有图片的权值得到权值最小的图片;删除权值最小的图片。
图片中的访问状况包括了用户查看次数 N,用户最后一次查看的时间T等。为存储于内存空间中的图片分配权值 W ,这一权值由以下部分组成:用户查看次数 N ,用户最后一次查看的时间 T 、图片的大小 S 。 每当图片加入到内存空间或者用户触发查看图片的操作时,都会以改变以下某一个或者某几个权值组成部分的值,权值 W 通过以下公式计算得到:
W =a*N- b *(t-T)+c*S
其中, a b c 为常量,是通过经验得出的值, t 是当前时间。
然后比较内存空间中所有图片的权值,权值最小的图片即为最不经常访问的图片。
另一实施例中,上述图片管理方法中在将获取到的图片存入内存空间的步骤之后还包括了将内存空间中的图片存入本地磁盘文件的步骤。本实施例中,定时将内存空间中的图片存入本地磁盘文件中,以释放出内存空间,此外,用户也可以在查看该图片时以手动的方式将这张图片保存到自身的本地磁盘文件中。
其它实施例中,上述图片管理方法中,接收图片的步骤之后还包括返回图片标识的步骤。本实施例中,向发送图片的用户返回分配给该图片标识以及告之发送图片的用户该图片是否已经发送成功。
图 2 示出了实施例二中图片管理的方法流程,在用户进行图片查看时,上述图片管理方法在接收图片的步骤之前还包括:
在步骤 S201 中,响应用户操作,并根据图片标识判断操作的图片是否存在,若是,则进入步骤 S203 ,若否,则进入步骤 S205 。本实施例中,用户触发查看图片的操作,此时,首先判断操作的图片是否存在,如果操作的图片已经存在了,则不需要发起请求以通过网络接收图片,只需要查找到该操作的图片并显示即可,如果操作的图片不存在,则需要发起请求以通过网络接收图片。
在步骤 S203 中,查找并显示操作的图片。
在步骤 S205 中,接收图片以及为图片分配的图片标识。
在实施例三中,图 3 示出了一个具体的实施例中图片管理的方法流程,该图片管理方法包括以下步骤:
在步骤 S301 中,根据图片标识判断内存空间缓存的文件中是否存在操作的图片,若是,进入步骤 S305 ,若否,则进入步骤 S303 。本实施例中,内存空间中缓存的文件是以图片标识为索引进行存储的。根据图片标识判断内存空间中是否已经存在了图片标识一致的图片,若是,则在内存空间中查找操作的图片,刷新页面并显示该图片,若否,则查询本地磁盘文件中是否存在操作的图片。
在步骤 S303 中,判断本地磁盘文件中是否存在操作的图片,若是,则进入步骤 S305 中,若否,则进入步骤 S307 中。本实施例中,根据图片标识判断本地文件中是否已经存在了操作的图片,若是,则在本地磁盘文件中查找与图片标识一致的图片,刷新页面并显示该图片;若否,则请求接收操作的图片以及为图片分配的图片标识。
在步骤 S305 中,查找并显示操作的图片。
在步骤 S307 中,请求接收操作的图片以及为图片分配的图片标识。
此外,在实施例四中,还有必要提供一种移动终端。如图 4 所示,该移动终端包括接收模块 10 、内存空间 30 以及内存控制模块 50 。
接收模块 10 ,用于接收图片。本实施例中,接收模块 10 还接收为接收的图片分配的图片标识,图片标识可对该图片进行唯一的标识,例如,图片标识可以是标识码、标识名称等具有唯一性的信息。其他用户将通过拍照获得的图片或者选择自身本地磁盘文件中存储的图片,然后点击'发送'按键将图片通过网络发送出去,此时,服务器接收该图片,并分配与该图片相对应的图片标识。
内存空间 30 ,用于缓存接收到的图片。本实施例中,内存空间 30 以图片标识为索引对图片进行存储,此外,也可以将标识码作为图片的键值或者图片的名称进行图片的存储中。在存储获取到的图片时,还存储了图片信息,该图片信息包括了图片的编解码格式、图片的尺寸、图片所占用的存储空间、图片的压缩比、图片的生成时间等信息。将接收到的图片信息与图片一起存储在内存空间 30 中。
内存控制模块 50 ,用于判断内存空间的剩余大小是否小于阈值,若是,则释放内存空间。内存控制模块 50 查询是否出现了内存不足的状况,即检测内存的使用情况,当未使用的内存空间 30 小于设定的阈值时,即认为出现了内存不足的状况。
在一个实施例中,内存控制模块 50 检测为图片处理所分配的内存和总的内存的使用情况,当内存空间的剩余大小小于阈值时,即认为内存不足。此外,在另一个实施例中,内存控制模块 50 还可以侦听触发图片处理操作的事件,例如图片的显示、存储、编辑、删除、优化以及收发等事件,并获取发生以上图片处理操作的事件时图片处理所分配的内存和总的内存的大小,当内存的剩余大小小于设定的阈值时,即认为内存不足。
当内存不足时,内存控制模块 50 释放掉最不经常访问的图片所占的内存空间。具体地,内存控制模块 50 根据内存空间 30 的图片中的访问状况以及图片大小计算每一图片的权值,比较所有图片的权值得到权值最小的图片,并删除权值最小的图片。图片中的访问状况包括了用户查看次数N ,用户最后一次查看的时间T 等。
内存控制模块 50 为存储于内存空间 30 中的图片都分配权值 W ,这一权值由以下部分组成:用户查看次数 N ,用户最后一次查看的时间 T 、图片的大小 S 。 每当图片加入到内存空间或者用户触发查看图片的操作时,都会以改变以下某一个或者某几个权值组成部分的值 ,权值 W 通过以下公式计算得到:
W =a*N- b *(t-T)+c*S
其中, a b c 为常量,是通过经验得出的值, t 是当前时间。
然后比较内存空间 30 中所有图片的权值,权值最小的图片即为最不经常访问的图片。
另一实施例中,移动终端 30 还包括本地存储模块,该本地存储模块用于将内存空间中的图片存入本地磁盘文件中。本实施例中,本地存储模块定时将内存空间 30 中的图片存入本地磁盘文件中,以释放出内存空间 30 中缓存的图片,此外,用户也可以在查看该图片时手动将这张图片保存到自身的本地磁盘文件中。
在其它实施例中,服务器还向发送图片的用户返回图片标识。本实施例中,服务器向发送图片的用户返回分配给该图片的图片标识以及告之发送图片的用户该图片是否已经发送成功。
图 5 示出了实施例五中的移动终端,该移动终端还包括查询模块 60 以及刷新模块 70 。
查询模块 60 ,用于响应用户操作,并根据图片标识判断操作的图片是否存在,若是,则通知刷新模块 70 ,若否,则通知接收模块 10 。本实施例中,用户触发查看图片的操作,查询模块 60 首先响应用户操作,并根据图片标识判断操作的图片是否存在,如果操作的图片已经存在了,则不需要发起请求以从网络中获取图片,只需要刷新模块 70 查找到操作的图片并显示即可,如果操作的图片不存在,则需要接收模块 10 发起请求以从网络中获取图片。
刷新模块 70 ,用于查找并显示图片。
接收模块 10 还用于接收为接收的图片分配的图片标识。
图 6 示出了实施例六中的查询模块,该查询模块 60 包括缓存文件查询单元 61 以及本地磁盘查询单元 63 。
缓存文件查询单元 61 ,用于根据图片标识判断内存空间缓存的文件中是否存在操作的图片,若是,则通知刷新模块,若否,则通知本地磁盘查询单元 63 。本实施例中,缓存文件查询单元 61 根据图片标识判断内存空间中是否已经存在了图片标识一致的图片,若是,则刷新模块 70 在内存空间 30 中查找操作的图片,刷新页面并显示该图片,若否,则通过本地磁盘查询单元 63 查询本地磁盘文件中是否存在该触发操作的图片。
本地磁盘查询单元 63 ,用于根据图片标识判断本地磁盘文件中是否存在操作的图片,若是,则通知刷新模块 70 查找并显示触发操作的图片,若否,则通知接收模块 10 请求接收操作的图片。本实施例中,本地磁盘查询单元 63 根据图片标识判断本地磁盘文件中是否已经存在了操作的图片,若是,则刷新模块 70 在本地磁盘文件中查找与图片标识一致的图片,刷新页面并显示该图片,若否,则请求获取操作的图片。
上述图片管理方法及移动终端中,每一张经过服务器处理的图片都会被服务器分配一个唯一的图片标识,移动终端在存储接收到的图片时,会以这个图片标识作为图片的键值存储于内存空间中,或以图片标识作为图片的名称存储。服务器通过需要查看的图片标识去内存空间中查找,如果内存空间中没有这一图片,则根据图片标识去本地磁盘文件中查找,如果找到图片标识相同的图片,则说明该图片是用户需要查看的图片。
当移动终端发送图片时,将会收到由服务器下发的该图片的标识码,并了解到该图片是否已经发送成功。
本 发明还提供了一种存储了计算机可执行指令的计算机存储介质,该计算机可执行指令用于执行上述图片管理方法 ,计算机存储介质中的计算机可执行指令执行 图片管理 方法的具体步骤如上述方法描述,在此不再赘述。
上述图片管理方法及系统可应用于移动终端上,例如,智能手机、平板电脑等内存空间较小的移动终端,通过上述图片管理方法及系统可在移动终端的客户端中进行图片的接收及显示。
上述图片管理方法、系统及计算机存储介质中在获取图片的过程中判断内存空间是否小于阈值,若该内存空间小于阈值则释放该内存空间,节省了内存空间,从而为图片的处理提供足够的内存空间,减少了进行图片操作时的错误发生率,提高了效率。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (21)

  1. 一种图片管理方法,包括以下步骤:
    接收图片;
    将接收到的图片缓存到内存空间中;
    判断所述内存空间的剩余大小是否小于阈值,若是,则释放内存空间。
  2. 根据权利要求 1 所述的图片管理方法,其特征在于,所述将接收到的图片缓存到内存空间中的步骤之后还包括:
    将所述内存空间中的图片存入本地磁盘文件的步骤。
  3. 根据权利要求 1 所述的图片管理方法,其特征在于,所述接收图片的步骤之前还包括:
    响应用户操作,并根据图片标识判断操作的图片是否存在,若是,则查找并显示操作的图片,若否,则接收图片以及为图片分配的图片标识。
  4. 根据权利要求 3 所述的图片管理方法,其特征在于,所述根据图片标识判断操作的图片是否存在,若是,则查找并显示操作的图片,若否,则接收图片以及为图片分配的图片标识的步骤为:
    根据图片标识判断内存空间缓存的文件中是否存在所述操作的图片,若是,则查找并显示所述操作的图片,若否,则进一步判断本地磁盘文件中是否存在所述操作的图片,若是,则查找并显示所述操作的图片,若否,则请求接收所述操作的图片以及为图片分配的图片标识。
  5. 根据权利要求 1 所述的图片管理方法,其特征在于,所述判断所述内存空间的剩余大小是否小于阈值的步骤为:
    检测为图片处理所分配的内存和总的内存的使用情况,判断所述内存空间的剩余是否小于阈值,若是,则进入所述释放内存空间的步骤。
  6. 根据权利要求 1 所述的图片管理方法,其特征在于,所述判断所述内存空间的剩余大小是否小于阈值的步骤为:
    侦听触发图片处理操作的事件,并获取发生图片处理操作的事件时图片处理所分配的内存和总的内存的大小,判断所述内存空间的剩余是否小于阈值,若是,则进入所述释放内存空间的步骤。
  7. 根据权利要求 1 所述的图片管理方法,其特征在于,所述释放内存空间的步骤为:
    根据内存空间缓存的图片中的访问状况以及图片大小计算每一图片的权值;
    比较所有图片的权值得到权值最小的图片;
    删除所述权值最小的图片。
  8. 一种移动终端,其特征在于,包括:
    接收模块,用于接收图片;
    内存空间,用于缓存接收到的图片;
    内存控制模块,用于判断所述内存空间的剩余大小是否小于阈值,若是,则释放所述内存空间。
  9. 根据权利要求 8 所述的移动终端,其特征在于,还包括:
    本地存储模块,用于将所述内存空间中的图片存入本地磁盘文件中。
  10. 根据权利要求 8 所述的移动终端,其特征在于,所述移动设备还包括:
    查询模块,用于响应用户操作,并根据图片标识判断操作的图片是否存在,若是,则通知刷新模块,若否,则通知接收模块;
    刷新模块,用于查找并显示所述图片;
    接收模块,还用于接收为接收的图片分配的图片标识。
  11. 根据权利要求 10 所述的移动终端,其特征在于,所述查询模块包括:
    缓存文件查询单元,用于根据图片标识判断内存空间缓存的文件中是否存在所述操作的图片,若是,则通知刷新模块,若否,则通知本地磁盘查询单元;
    本地磁盘查询单元,用于根据图片标识判断本地磁盘文件中是否存在所述操作的图片,若是,则通知所述刷新模块,若否,则通知所述接收模块。
  12. 根据权利要求 8 所述的移动终端,其特征在于,所述内存控制模块还用于检测为图片处理所分配的内存和总的内存的使用情况,判断所述内存空间的剩余是否小于阈值,若是,则释放内存空间。
  13. 根据权利要求 8 所述的移动终端,其特征在于,所述内存控制模块还用于侦听触发图片处理操作的事件,并获取发生图片处理操作的事件时图片处理所分配的内存和总的内存的大小,判断所述内存空间的剩余是否小于阈值,若是,则释放内存空间。
  14. 根据权利要求 8 所述的移动终端,其特征在于,所述内存控制模块根据内存空间的图片中的访问状况以及图片大小计算每一图片的权值,比较所有图片的权值得到权值最小的图片,并删除所述权值最小的图片。
  15. 一种用于存储计算机可执行指令的计算机存储介质,所述计算机可执行指令用于控制计算机执行一种图片管理方法,其特征在于,所述方法包括:
    接收图片;
    将接收到的图片缓存到内存空间中;
    判断所述内存空间的剩余大小是否小于阈值,若是,则释放内存空间。
  16. 根据权利要求 15 所述的计算机存储介质,其特征在于,所述将接收到的图片缓存到内存空间中的步骤之后还包括:
    将所述内存空间中的图片存入本地磁盘文件的步骤。
  17. 根据权利要求 15 所述的计算机存储介质,其特征在于,所述接收图片的步骤之前还包括:
    响应用户操作,并根据图片标识判断操作的图片是否存在,若是,则查找并显示操作的图片,若否,则接收图片以及为图片分配的图片标识。
  18. 根据权利要求 17 所述的计算机存储介质,其特征在于,所述根据图片标识判断操作的图片是否存在,若是,则查找并显示操作的图片,若否,则接收图片以及为图片分配的图片标识的步骤为:
    根据图片标识判断内存空间缓存的文件中是否存在所述操作的图片,若是,则查找并显示所述操作的图片,若否,则进一步判断本地磁盘文件中是否存在所述操作的图片,若是,则查找并显示所述操作的图片,若否,则请求接收所述操作的图片以及为图片分配的图片标识。
  19. 根据权利要求 15 所述的计算机存储介质,其特征在于,所述判断所述内存空间的剩余大小是否小于阈值的步骤为:
    检测为图片处理所分配的内存和总的内存的使用情况,判断所述内存空间的剩余是否小于阈值,若是,则进入所述释放内存空间的步骤。
  20. 根据权利要求 15 所述的计算机存储介质,其特征在于,所述判断所述内存空间的剩余大小是否小于阈值的步骤为:
    侦听触发图片处理操作的事件,并获取发生图片处理操作的事件时图片处理所分配的内存和总的内存的大小,判断所述内存空间的剩余是否小于阈值,若是,则进入所述释放内存空间的步骤。
  21. 根据权利要求 15 所述的计算机存储介质,其特征在于,所述释放内存空间的步骤为:
    根据内存空间缓存的图片中的访问状况以及图片大小计算每一图片的权值;
    比较所有图片的权值得到权值最小的图片;
    删除所述权值最小的图片。
PCT/CN2011/083976 2011-01-26 2011-12-14 图片管理方法、移动终端及计算机存储介质 WO2012100605A1 (zh)

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