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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
    SIFT 算法尤其适合处理视角变化、尺度变换、部分遮挡和光照变化的问题,因此被广泛应用于计算机视觉领域。 SIFT 由计算机科学家 David G Lowe 于 1999 年首次提出,并在 2004 年发表的论文《Distinctive Image Features from Scale-Invariant Keypoints》中进一步完善。 其革命性的设计使得 SIFT 成为了特征提取领域的重要里程碑。 虽然 SIFT 曾因专利保护限制了开源使用,但随着专利过期(美国专利于 2020 年到期),SIFT 再次成为开源社区的重要工具,并在许多实际项目中被广泛应用。
  • 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 特征 - SLAM 之旅 - GitHub Pages
    尺度不变特征变换 (Scale-invariant feature transform, SIFT) 1 2 是计算机视觉中一种检测、描述和匹配图像局部特征点的方法,通过在不同的尺度空间中检测极值点或特征点 (Conrner Point, Interest Point) ,提取出其位置、尺度和旋转不变量,并生成特征描述子,最后用于图像
  • 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
  • Digital Fraud Prevention Risk-Based Authentication | Sift
    Discover how hundreds of global brands use Sift to secure the customer journey and create revenue from risk Top-performing teams grow revenue faster with Sift’s award-winning fraud prevention platform
  • SIFT 特征检测器和描述符提取器 — skimage 0. 25. 0 文档 - scikit-image 图像处理库
    SIFT 特征检测器和描述符提取器 # 此示例演示了 SIFT 特征检测及其描述算法。 尺度不变特征变换 (SIFT) [1] 于 1999 年发布,至今仍然是最流行的特征检测器之一,因为它承诺“对图像缩放、平移和旋转不变,并且部分对光照变化和仿射或 3D 投影不变” [2]。
  • 视觉 AI 必学算法!图像匹配经典算法 SIFT 详解_哔哩哔哩_bilibili
    探索 SIFT(尺度不变特征变换)是如何工作的,以及为什么它是图像处理领域最具影响力的算法之一。 本教程将拆解 SIFT 的完整流程,从尺度空间极值点检测、关键点定位、方向分配到特征描述子的生成,逐步讲清每一个环节。
  • SIFT算法原理详解 - Alliswell_WP - 博客园
    在现今的电脑硬件速度下和小型的特征数据库条件下,辨识速度可接近即时运算。 SIFT特征的信息量大,适合在海量数据库中快速准确匹配。 SIFT算法的实质是在不同的尺度空间上查找关键点 (特征点),并计算出关键点的方向。
  • Sift - LinkedIn
    Sift is the leading fraud prevention platform delivering digital trust to 700+ global brands, allowing them to grow confidently by stopping fraud while enabling excellence in customer experience





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