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Yong Yuan. I am Yong Yuan, an Algorithm Engineer in Kwai. His research interests cover large-scale image and video retrieval, approximate...
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I am Yong Yuan, an Algorithm Engineer in Kwai. His research interests cover large-scale image and video retrieval, approximate nearest neighbor search, content-based video copy detection.
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人脸识别:Deep Face Recognition论文阅读
人脸识别:Deep Face Recognition论文阅读 人脸检测 人脸校正 Face alignment,对检测到的人脸进行姿态的校正,使其人脸尽可能的”正”,通过校正可以提高人脸识别的精度。校正的方法有2D校正、3D校正的方法,3D校正的方法可以使侧脸得到较好的识别。目前校正在处理过程中完全可以达到实时性的要求,具体可以阅读Face Alignment at 3000 FPS via...
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图像检索:常用图像库整理 MNIST手写数字图像库, Yann LeCun, Corinna Cortes and Chris Burges,这个库有共70,000张图片,每张图片的大小是28*28,共包含10类从数字0到9的手写字符图像,在图像检索里一般是直接使用它的灰度像素作为特征,特征维度为784维。 CIFAR-10 and CIFAR-100 datasets,这个数据库包含10类...
Yongyuan.name news digest
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9 months
LLM推荐系统 A Simple Training-free Approach for Recommendations using LLM
思路动机
LLM最新进展为推荐系统任务提供了有前途的新方法。当前最先进的方法依赖于微调 LLM 来实现最佳结果,但此过程成本高昂且带来了显著的工程复杂性。相反,绕过微调并直接使用 LLM 的方法资源密集程度较低,但往往无法完全捕获语义和协作信息,导致与经过微调的方法相比性能不佳。在本文中,提出了一种简单的无需训练的推荐方法 (STAR),这是一个利用 LLM 的框架,可应用于各种推荐任务而无需微调。
comment: 这篇论文,提供了一个将语义与协同信息融合起来的视角,这是这篇论文提供的最大的启发性视角。... -
2 years
MHA、MQA、GQA差异
MHA:Multi-Head Attention,QKV 三部分有相同数量的头,且一一对应。每次做 Attention,head_i 的 QKV 做好自己的运算就可以,输出时各个头加起来就行。
MQA:Multi-Query Attention,让 Q 仍然保持原来的头数,但 K 和 V 只有一个头,相当于所有的 Q 头共享一组 K 和 V 头,所以叫做 Multi-Query 了。 -
2 years
论文阅读:点击率预估之长序列建模Clustering based Behavior Sampling
SIGIR 2022 Clustering based Behavior Sampling with Long Sequential Data for CTR Prediction paper reading分享时记录的笔记。
背景
对当前target item预估时,序列建模要解决的两个主要问题: -
2 years
背景
搜索是一个以相关性为基础,辅助消费、权威、质量、时鲜等多目标的复杂系统。
各位看官在搜索引擎输入一个Query=“如何在mate 40上连接wifi”,我们优先考虑的是排序的doc是否与Query相关,根据相关的程度,可以有不一样的定义:
Domain history
Web host: | GitHub, INC. |
Registrar: | Global Name Registry |
Registrant: | |
Updated: | January 01, 1970 |
Expires: | January 01, 1970 |
Created: | January 01, 1970 |
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