解释以下这段话For simplicity and effec- tiveness, the sample method crops the images by the sample bounding box with four-direction offsets of target size. Namely, .

时间: 2024-04-27 20:23:10 浏览: 7
这段话解释了一个名为"sample method"的图像裁剪方法的原理。该方法通过使用目标大小的四个方向偏移量,将图像按照样本边界框裁剪,以达到简单和有效的效果。也就是说,该方法通过对目标区域的大小和位置进行估计,找到目标在图像中的位置,并以此为基础将相邻的图像区域也裁剪出来,以便在后续处理中使用。这种方法简单、高效,因此在图像处理领域被广泛应用。
相关问题

the laws of the simplicity

简约之法指的是以简单、直接和明确的方式来表达和交流。它是一种原则,认为简单和直观的形式和内容更易于被人理解和接受。简约之法是许多领域的准则,包括设计、沟通、写作和思考等。 在设计领域,简约之法的原则是去除多余的元素,使设计更加简洁明了。这种简约的设计思路可以使用户更容易理解和使用产品。例如,苹果公司的产品设计一直以简约为主导,所以它的界面简单、直观,功能清晰明了,获得了广泛的用户喜爱。 在沟通和写作方面,遵循简约之法可以使信息更加明确和易于理解。使用简洁的句子和直接的表达方式可以避免信息的混淆和误解。此外,简约的文字和语言可以更好地引起读者的注意力,使他们更易于沟通和理解。 对于思考和问题解决而言,简约之法可以帮助我们快速而准确地分析和解决问题。简洁的思考方式可以帮助我们聚焦于问题的核心,避免陷入无关的细节和纷杂的信息。通过简单和明确的思路,我们可以更好地处理复杂的情况和挑战。 总的来说,简约之法是一种重要的准则,它指导我们在各个领域更好地表达、交流、思考和解决问题。遵循简约之法可以使我们的工作更加高效、易懂和有效果。简约之法的价值在于它能够使事物变得更简单而不失精确和有力。

download the full online installer version of simplicity studio 5

### 回答1: Simplicity Studio 5是一款非常实用的软件,适用于各种不同类型的嵌入式设备的开发。要下载Simplicity Studio 5的完整在线安装程序版本,您需要执行以下步骤: 首先,您可以在Silicon Labs的官方网站上找到Simplicity Studio 5的下载页面。在该页面上,您应该能够看到有两种不同版本可供选择:在线安装程序和单独的离线安装程序。 如果您决定下载完整的在线安装程序版本,那么您需要选择相应的选项,然后点击“下载”按钮。此时,会提示您选择要安装的软件包,您需要根据自己的需求来选择。 一旦您选择了正确的软件包,您只需耐心等待下载和安装过程即可。尽管下载和安装的速度取决于您的互联网连接和计算机配置,但通常情况下,这个过程不应该花费太长时间。 总之,如果您想使用最新版本的Simplicity Studio 5来进行嵌入式设备的开发工作,那么下载完整的在线安装程序版本是最好的方法之一。 ### 回答2: Simplicity Studio 5是一款大型软件开发环境,主要用于为Silicon Labs的产品开发提供全面支持。如果您想下载完整的在线安装程序,可以参考以下步骤: 首先,您需要进入Silicon Labs的官方网站。在官网中间部分的搜索栏中输入关键词“Simplicity Studio 5”,然后点击搜索按钮。在搜索结果页面中,您可以看到Simplicity Studio 5的详细信息和相关下载链接。 接下来,您需要点击下载按钮,选择完整的在线安装程序版本。您还可以选择其他版本,例如单独的软件工具、文档或SDK。请注意,在下载前,确保您已经了解并同意Silicon Labs的许可协议和其他条款。 下载过程可能需要一些时间,取决于您的互联网连接速度和您的计算机性能。等待下载完成后,您将获得一个完整的安装程序,可以用来安装Simplicity Studio 5。安装过程比较简单,您只需要按照提示完成即可。 总之,下载Simplicity Studio 5的完整在线安装程序需要前往Silicon Labs的官方网站,并按照提示进行下载和安装。希望这个回答能够帮到您。

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翻译 There are several reasons a network designed on layer-2 protocols is selected over a network designed on layer-3 protocols. In spite of the difficulties of using a bridge to perform the network role of a router, many vendors, customers, and service providers choose to use Ethernet in as many parts of their networks as possible. The benefits of selecting a layer-2 design are: Ethernet frames contain all the essentials for networking. These include, but are not limited to, globally unique source addresses, globally unique destination addresses, and error control. Ethernet frames can carry any kind of packet. Networking at layer-2 is independent of the layer-3 protocol. Adding more layers to the Ethernet frame only slows the networking process down. This is known as nodal processing delay. You can add adjunct networking features, for example class of service (CoS) or multicasting, to Ethernet as readily as IP networks. VLANs are an easy mechanism for isolating networks. Most information starts and ends inside Ethernet frames. Today this applies to data, voice, and video. The concept is that the network will benefit more from the advantages of Ethernet if the transfer of information from a source to a destination is in the form of Ethernet frames. Although it is not a substitute for IP networking, networking at layer-2 can be a powerful adjunct to IP networking. Layer-2 Ethernet usage has additional benefits over layer-3 IP network usage: Speed Reduced overhead of the IP hierarchy. No need to keep track of address configuration as systems move around. Whereas the simplicity of layer-2 protocols might work well in a data center with hundreds of physical machines, cloud data centers have the additional burden of needing to keep track of all virtual machine addresses and networks. In these data centers, it is not uncommon for one physical node to support 30-40 instances.

Algorithm 1: The online LyDROO algorithm for solving (P1). input : Parameters V , {γi, ci}Ni=1, K, training interval δT , Mt update interval δM ; output: Control actions 􏰕xt,yt􏰖Kt=1; 1 Initialize the DNN with random parameters θ1 and empty replay memory, M1 ← 2N; 2 Empty initial data queue Qi(1) = 0 and energy queue Yi(1) = 0, for i = 1,··· ,N; 3 fort=1,2,...,Kdo 4 Observe the input ξt = 􏰕ht, Qi(t), Yi(t)􏰖Ni=1 and update Mt using (8) if mod (t, δM ) = 0; 5 Generate a relaxed offloading action xˆt = Πθt 􏰅ξt􏰆 with the DNN; 6 Quantize xˆt into Mt binary actions 􏰕xti|i = 1, · · · , Mt􏰖 using the NOP method; 7 Compute G􏰅xti,ξt􏰆 by optimizing resource allocation yit in (P2) for each xti; 8 Select the best solution xt = arg max G 􏰅xti , ξt 􏰆 and execute the joint action 􏰅xt , yt 􏰆; { x ti } 9 Update the replay memory by adding (ξt,xt); 10 if mod (t, δT ) = 0 then 11 Uniformly sample a batch of data set {(ξτ , xτ ) | τ ∈ St } from the memory; 12 Train the DNN with {(ξτ , xτ ) | τ ∈ St} and update θt using the Adam algorithm; 13 end 14 t ← t + 1; 15 Update {Qi(t),Yi(t)}N based on 􏰅xt−1,yt−1􏰆 and data arrival observation 􏰙At−1􏰚N using (5) and (7). i=1 i i=1 16 end With the above actor-critic-update loop, the DNN consistently learns from the best and most recent state-action pairs, leading to a better policy πθt that gradually approximates the optimal mapping to solve (P3). We summarize the pseudo-code of LyDROO in Algorithm 1, where the major computational complexity is in line 7 that computes G􏰅xti,ξt􏰆 by solving the optimal resource allocation problems. This in fact indicates that the proposed LyDROO algorithm can be extended to solve (P1) when considering a general non-decreasing concave utility U (rit) in the objective, because the per-frame resource allocation problem to compute G􏰅xti,ξt􏰆 is a convex problem that can be efficiently solved, where the detailed analysis is omitted. In the next subsection, we propose a low-complexity algorithm to obtain G 􏰅xti, ξt􏰆. B. Low-complexity Algorithm for Optimal Resource Allocation Given the value of xt in (P2), we denote the index set of users with xti = 1 as Mt1, and the complementary user set as Mt0. For simplicity of exposition, we drop the superscript t and express the optimal resource allocation problem that computes G 􏰅xt, ξt􏰆 as following (P4) : maximize 􏰀j∈M0 􏰕ajfj/φ − Yj(t)κfj3􏰖 + 􏰀i∈M1 {airi,O − Yi(t)ei,O} (28a) τ,f,eO,rO 17 ,建立了什么模型

Write a program to simulate a process of translation from a logical address to physical address. Assumptions 1. Assume the file la.txt includes the sequence of generated addresses from CPU. 2. Use a part of memory as backing store that store data for a process. 3. The backing store size is 128 bytes 4. The size of process p is 128 bytes. 5. The contents of p is included in a file pdata.bin which is a binary file. 6. Use a part of memory as RAM. The size of physical memory is 256 bytes, from 0 to 255. All the physical memory is available, allocating starting from beginning in sequence. That is, allocate frame 0 first, then frame 1, then frame 2…. 7. The size of a frame is 32 bytes, i.e., 5 bits for the offset in a frame, total number of frames is 8. 8. At beginning, no page table is available for process p. Requirements Write a program to 1. Setup a simulating backing store in memory. Read the data from pdata.bin to this backing store. 2. Initialize a page table for process p, set the frame number to be -1 for each page, indicating that the page is not loaded into memory yet. 3. Read logical addresses one by one from la.txt. 4. For each logical address, a) if its page has been loaded into physical memory, simply find the frame number in the page table, then generate physical address, find and print out the physical address and data inside this address. b) if the page is used for the first time, i.e., in page table, its frame number is -1,then the page that contains this address should be loaded into a free frame in physical memory (RAM). Then update the page table by adding the frame number to the right index in the page table. Then repeat 4a). Refer to Figure 1 for the relationships and how physical memory, backing store, and CPU are simulated. Figure 1 How physical memory, backing store and CPU are simulated in this program assignment Hints: a) use a memory block pointed by a pointer or use an array as a simulation of backing store b) use functions fread or mmap for the binary file read. Search through the Internet for the usage of these functions. c) Use an array to simulate the memory. d) Use bit operators &, |, <<, and >> to get the bits in a logic address or form a physical address e) Use char for the type of data in the process, use unsigned char (8 bits) for the type of address. Coding & Submission 1. Using pure C to finish this program. 2. Put all the codes in one .c file named PA3_#####.c, replace “#####” as the last 5 digits of your student ID. 3. Put pdata.txt and la.txt in the same folder as PA3_#####.c, which the need .txt file can be open directly by filename instead of absolute path. 4. Submit only the .c file mentioned above.使用C语言完成

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