原创 Thrift編譯與驗證 - python
1 編譯(保留了C和python語言,簡化編譯): # ./configure --without-java --without-cpp --without-php --without-erlang #make && make insta
原创 Hilbert space
Definition A Hilbert space H is a real or complex inner product space that is also a complete metric space with res
原创 shell使用隨筆
001 對文件某一列求和 awk '{sum += $collum};END {print sum}' /path/to/your/file2 3 3 5假設文件內容如上所示: # awk '{sum += $1};END {prin
原创 Positive-definite kernel
Definition Let be a sequence of (complex) Hilbert spaces and be the bounded operators from Hi to Hj. A map A on wh
原创 Shannon entropy
Shannon entropy is one of the most important metrics in information theory. Entropy measures the uncertainty associated
原创 萬字長文帶你看盡深度學習中的各種卷積網絡
深度學習中的各種卷積網絡大家知多少?對於那些聽說過卻又對它們沒有特別清晰的認識的小夥伴們,Kunlun Bai 這篇文章非常值得一讀。Kunlun Bai 是一位人工智能、機器學習、物體學以及工程學領域的研究型科學家,在本文中,他詳細地介
原创 訓練集(train)、驗證集(validation)和測試集(test)
在有監督的機器學習中,經常會說到訓練集(train)、驗證集(validation)和測試集(test),這三個集合的區分可能會讓人糊塗,特別是,有些讀者搞不清楚驗證集和測試集有什麼區別。 劃分 # 如果我們自己已經有了一個大的標註數據集
原创 SIFT: Theory and Practice - Keypoint orientations(轉)
SIFT: Theory and Practice Keypoint orientations Series: SIFT: Theory and Practice: Introduction The scale space LoG a
原创 SIFT: Theory and Practice - The scale space(轉)
SIFT: Theory and Practice The scale space Series: SIFT: Theory and Practice: Introduction The scale space LoG approxi
原创 SIFT: Theory and Practice - Finding keypoints(轉)
SIFT: Theory and Practice Finding keypoints Series: SIFT: Theory and Practice: Introduction The scale space LoG appro
原创 SIFT: Theory and Practice - Introduction (轉)
SIFT: Theory and Practice Learn how the famous SIFT keypoint detector works in the background. This paper led a mini re
原创 SIFT: Theory and Practice - LoG approximations (轉)
SIFT: Theory and Practice LoG approximations Series: SIFT: Theory and Practice: Introduction The scale space LoG appr
原创 SIFT: Theory and Practice - Generating a feature(轉)
SIFT: Theory and Practice Generating a feature Series: SIFT: Theory and Practice: Introduction The scale space LoG ap
原创 SIFT: Theory and Practice - Getting rid of low contrast keypoints(轉)
SIFT: Theory and Practice Getting rid of low contrast keypoints Series: SIFT: Theory and Practice: Introduction The s
原创 A tutorial on binary descriptors – part 3 – The ORB descriptor(轉)
A tutorial on binary descriptors – part 3 – The ORB descriptor This third post in our series about binary descriptors t