lossy

简明释义

英[ˈlɒsi]美[ˈlɔːsi]

adj. 有损耗的

英英释义

单词用法

同义词

反义词

例句

1.The expanded lossy DCT - based mode provides a set of further enhancements to the baseline process.

扩展的有损的基于DCT模式提供了一系列对基本处理过程的增强模式。

2.An iterative microwave imaging algorithm for metallic cylinders in lossy media was proposed.

探讨了有耗介质中金属散射体断层成像的迭代算法。

3.Larger files, not so much, unless you demand non-lossy images.

较大文件，不那么好，除非你要求无损耗图像。

4.However, the compression is normally lossy (in other words, image data is thrown away as part of the compression process).

但其压缩通常是有损的(换句话说，在压缩过程中会丢弃图像数据)。

5.No, there is no such method. The hash function is lossy.

不，没有这样的办法。哈希函数是有损耗的。

6.Almost all video codecs use lossy compression to minimize the huge amounts of data associated with video.

几乎所有的视频编译码器都采用有损压缩，最小化与视频相关的数据量。

7.The results show that this method is a powerful method to analysis antennas near lossy dielectric bodies.

计算结果表明，该方法是分析天线位于有耗介质附近时的有效分析方法。

8.Requirements gathering is a lossy form of compression.

需求收集是一种有损压缩。

9.Transmission of wavelet coded images over lossy packet networks presents an image reconstruction problem.

在丢包信道中传输子波编码图像时，存在图像重构问题。

10.The MP3 format is a popular choice for music because it is lossy 有损的, which reduces file size significantly.

MP3格式因其是lossy 有损的，大幅减少文件大小，因此成为音乐的热门选择。

11.When saving images in JPEG format, you should be aware that it is lossy 有损的 and can affect the quality.

保存图像为JPEG格式时，您应该意识到它是lossy 有损的，可能会影响质量。

12.Streaming video often uses lossy 有损的 compression to reduce bandwidth usage.

流媒体视频通常使用lossy 有损的压缩来减少带宽使用。

13.In contrast to lossless 无损的 formats, lossy 有损的 formats sacrifice some quality for smaller file sizes.

与lossless 无损的格式相比，lossy 有损的格式牺牲了一些质量以获得更小的文件大小。

14.Using lossy 有损的 audio codecs can make your music library more manageable on portable devices.

使用lossy 有损的音频编码可以使您的音乐库在便携设备上更易于管理。

作文

In the digital age, the way we store and transmit information has drastically changed. One of the key concepts that has emerged in this context is the idea of lossy compression. This term refers to a method of data compression where some amount of data is lost during the process. While it may sound concerning, lossy compression is widely used because it significantly reduces file sizes, making it easier to store and share large amounts of data. For instance, when we listen to music on streaming platforms or watch videos online, we are often experiencing lossy formats like MP3 or JPEG. The primary reason for using lossy compression is efficiency. In a world where bandwidth is limited and storage space can be costly, reducing file size without severely compromising quality is crucial. For example, an MP3 file compresses audio data by removing frequencies that are less audible to the human ear. This means that while the file size is much smaller, the overall listening experience remains relatively intact for most listeners. Similarly, JPEG images use lossy techniques to discard some visual information that our eyes might not easily notice, allowing for faster loading times on websites and devices. However, the use of lossy compression does come with its drawbacks. The most significant concern is the potential loss of quality. Once data is removed through lossy compression, it cannot be recovered. This can be particularly problematic in fields such as professional photography or audio production, where maintaining the highest quality is paramount. For these applications, lossless compression methods are preferred, as they preserve all original data. Yet, lossless formats typically result in larger file sizes, which can pose challenges for storage and sharing. Another aspect to consider is the subjective nature of quality perception. What may be considered an acceptable level of quality loss to one person might be intolerable to another. For example, audiophiles often prefer lossless formats because they can discern subtle differences in sound quality that most casual listeners may not notice. Similarly, graphic designers may opt for lossless image formats to ensure that every detail is preserved in their work. Despite these challenges, the benefits of lossy compression cannot be overlooked. It enables faster downloads, reduced storage costs, and the ability to stream content seamlessly. As technology continues to evolve, so too will the methods of data compression. New algorithms are being developed to improve the quality of lossy compression, aiming to minimize the impact on user experience while still achieving significant reductions in file size. In conclusion, understanding the concept of lossy compression is essential in today's digital landscape. It plays a critical role in how we consume media and manage data. While it involves some trade-offs in terms of quality, the advantages it offers in terms of efficiency and convenience make it a valuable tool in our increasingly connected world. As we continue to navigate the complexities of digital information, the balance between quality and file size will remain a key consideration for both consumers and creators alike.

在数字时代，我们存储和传输信息的方式发生了巨大的变化。其中一个关键概念是“lossy压缩”这一术语。它指的是一种数据压缩方法，在此过程中会丢失一些数据。虽然这听起来令人担忧，但由于它显著减少了文件大小，使得存储和共享大量数据变得更加容易，lossy压缩被广泛使用。例如，当我们在流媒体平台上听音乐或在线观看视频时，我们常常体验到像MP3或JPEG这样的lossy格式。 使用lossy压缩的主要原因是效率。在一个带宽有限且存储空间可能昂贵的世界中，在不严重妨碍质量的情况下减少文件大小至关重要。例如，MP3文件通过去除人耳不太能听到的频率来压缩音频数据。这意味着虽然文件大小小得多，但大多数听众的整体听觉体验仍然相对完好。类似地，JPEG图像使用lossy技术丢弃一些我们眼睛可能不容易注意到的视觉信息，从而实现网站和设备上更快的加载时间。 然而，使用lossy压缩确实存在一些缺点。最显著的担忧是潜在的质量损失。一旦数据通过lossy压缩被移除，就无法恢复。这在专业摄影或音频制作等领域尤其成问题，因为在这些应用中，保持最高质量至关重要。因此，对于这些应用，通常更倾向于无损压缩方法，因为它们保留所有原始数据。然而，无损格式通常会导致更大的文件大小，这可能对存储和共享造成挑战。 另一个需要考虑的方面是质量感知的主观性。对一个人来说，可能被认为是可以接受的质量损失水平，对另一个人来说可能是不可容忍的。例如，音响发烧友通常更喜欢无损格式，因为他们能够辨别出大多数普通听众可能不会注意到的微妙声音质量差异。同样，图形设计师可能会选择无损图像格式，以确保在他们的作品中保留每一个细节。 尽管面临这些挑战，lossy压缩的好处仍然不可忽视。它使得更快的下载、降低的存储成本以及无缝流式内容的能力成为可能。随着技术的不断发展，数据压缩的方法也将不断演进。新的算法正在被开发，以改善lossy压缩的质量，旨在最大限度地减少对用户体验的影响，同时仍能实现文件大小的显著减少。 总之，理解lossy压缩的概念在当今数字环境中至关重要。它在我们消费媒体和管理数据的方式中发挥着关键作用。尽管在质量方面涉及一些权衡，但它在效率和便利性方面所提供的优势使其成为我们日益互联的世界中的一种宝贵工具。随着我们继续驾驭数字信息的复杂性，质量与文件大小之间的平衡将继续成为消费者和创作者需要考虑的关键因素。