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sift    音标拼音: [s'ɪft]
vt. 筛,过滤,撒,详查
vi. 筛,被筛下,精选

筛,过滤,撒,详查筛,被筛下,精选

sift
v 1: move as if through a sieve; "The soldiers sifted through
the woods"
2: separate by passing through a sieve or other straining device
to separate out coarser elements; "sift the flour" [synonym:
{sift}, {sieve}, {strain}]
3: check and sort carefully; "sift the information" [synonym:
{sieve}, {sift}]
4: distinguish and separate out; "sift through the job
candidates" [synonym: {sieve}, {sift}]

Sift \Sift\, v. t. [imp. & p. p. {Sifted}; p. pr. & vb. n.
{Sifting}.] [AS. siftan, from sife sieve. [root]151a. See
{Sieve}.]
1. To separate with a sieve, as the fine part of a substance
from the coarse; as, to sift meal or flour; to sift
powder; to sift sand or lime.
[1913 Webster]

2. To separate or part as if with a sieve.
[1913 Webster]

When yellow sands are sifted from below,
The glittering billows give a golden show. --Dryden.
[1913 Webster]

3. To examine critically or minutely; to scrutinize.
[1913 Webster]

Sifting the very utmost sentence and syllable.
--Hooker.
[1913 Webster]

Opportunity I here have had
To try thee, sift thee. --Milton.
[1913 Webster]

Let him but narrowly sift his ideas. --I. Taylor.
[1913 Webster]

{To sift out}, to search out with care, as if by sifting.
[1913 Webster]

150 Moby Thesaurus words for "sift":
air, analyze, appraise, assess, assort, bolt, canvass, catalog,
categorize, choose, choose out, clarify, class, classify, clear,
collate, comb, comment upon, consider, contradistinguish,
controvert, cordon, cordon off, cull, cull out, deal with, debate,
decide between, decrassify, deliberate, deliberate upon,
delve into, demarcate, demark, depurate, differentiate, dig into,
discourse about, discriminate, discuss, distill, distinguish,
divide, draw the line, edulcorate, elute, essentialize, evaluate,
examine, excerpt, exchange views, explore, extract, factor, fathom,
filter, filtrate, gauge, ghettoize, gin, glean, go into, gradate,
grade, group, handle, handpick, identify, indagate, inquire into,
insulate, investigate, isolate, keep apart, keep aside,
knock around, lay aside, leach, lixiviate, look into,
make a selection, mark the interface, pass under review, peer into,
percolate, pick, pick out, plumb, poke into, probe, prospect,
pry into, purify, put aside, quarantine, rank, rap, reason,
reason about, reason the point, rectify, refine, review, riddle,
screen, screen out, scrutinize, search into, seclude, segregate,
select, separate, set a limit, set apart, set aside, set off,
sever, severalize, sieve, sieve out, sift out, single out, size,
sort, sort out, sound, spiritualize, split hairs, strain, study,
subdivide, sublimate, sublime, subordinate, subtilize, take up,
talk, talk about, talk of, talk over, thrash, thrash out, thresh,
thresh out, treat, try, ventilate, weed out, weigh, winnow



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  • 万字长文详解SIFT特征提取 - 知乎
    本文对 SIFT 算法进行了详细梳理。 SIFT即 尺度不变特征变换 (Scale-Invariant Feature Transform),是一种用于检测和描述图像局部特征的算法。 该算法对图像的尺度和旋转具有不变性,并且在一定程度上能够抵御亮度变化和视角变化,具备较强的鲁棒性。
  • SIFT 全面解析:原理、实现与应用-CSDN博客
    以下从优点和缺点两个方面对 SIFT 进行全面分析。 4 1 SIFT 的优点 1 尺度与旋转不变性 尺度不变性:通过构建高斯尺度空间和检测极值点,SIFT 实现了对不同尺度图像的特征点提取。 例如,无论物体在图像中放大还是缩小,SIFT 都能检测到相同的关键点。
  • 图像特征算法(一)——SIFT算法简述及Python标记SIFT特征检测实践
    SIFT算法,Scale-invariant feature transform,中文含义就是 尺度不变特征变换。 该算法自1999年由David Lowe提出(Object recognition from local scale-invariant features)以后被广泛的应用于图像识别,图像检索,3D重建等CV的各种领域。
  • Digital Fraud Prevention Risk-Based Authentication | Sift
    Powered by a global data network of ~1T annual events representing 700+ global brands, Sift instantly exposes threats like account takeover, payment fraud, and first-party abuse to deliver precise, split-second decisioning accuracy at scale
  • SIFT算法原理:SIFT算法详细介绍-腾讯云开发者社区-腾讯云
    SIFT算法由David Lowe提出,具备尺度、旋转不变性,通过高斯差分金字塔检测关键点,确定方向并生成描述符,广泛应用于物体识别、3D建模等领域,虽存在实时性不足等缺陷,但仍是特征提取的重要方法。
  • Sift算子特征点提取、描述及匹配全流程解析-CSDN博客
    1999年,大不列颠哥伦比亚大学的David G Lowe教授在现有基于不变量技术的特征检测方法基础上,提出了一种基于尺度空间的,对图像缩放、旋转、甚至仿射变换保持不变性的图像局部特征描述算子——Sift(尺度不变特征变换),全称是Scale Invariant Feature Transform
  • SIFT 特征 - SLAM 之旅 - GitHub Pages
    SIFT 特征凭借其良好的性能广泛应用于运动跟踪 (Motion tracking) 、图像拼接 (Automatic mosaicing) 、3D 重建 (3D reconstruction) 、移动机器人导航 (Mobile robot navigation) 以及目标识别 (Object Recognition) 等领域。
  • Scale-invariant feature transform - Wikipedia
    SIFT and SIFT-like GLOH features exhibit the highest matching accuracies (recall rates) for an affine transformation of 50 degrees After this transformation limit, results start to become unreliable
  • GitHub - bbbbbjw pythonSIFT: SIFT的代码实现 以及kmeans visual words
    尺度不变特征转换 (Scale-invariant feature transform或SIFT)是把图像的特征以关键点的位置,方向以及特征向量表示。 SIFT特征是图像的局部特征,其对旋转、尺度缩放、亮度变化保持不变性,对视角变化、仿射变换、噪声也保持一定程度的稳定性,sift特征具有高速性





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