aiacademy: 期末專題分享
Tags: ai-project, aiacademy
多聽多看多長智慧~
Group-17: NewsLeopard 電子豹
-
電子郵件開信預測
-
平均開信%: 15%
-
降低開信negative 感覺
-
- 中文 NLP
- 切字
- 結疤doc2tVec: 整段話轉成向量
-
prediction
-
以
人
為 unit- 當模型預測
- skewed data: 收信超過100封 只佔1%
- domain:
- gamil
- yahoo
-
-
Result
- 調 threshold 到 0.99 比較具有商業價值
- 可以降低寄信頻率 減少支出
Group 18: 生命徵象異常測量值警示 1
-
看電影搂~
- 長情的告白
-
生命徵象
- 血壓
- 血氧
- 等…
-
資料平衡技巧
- SMOTE
- BalancedRandomForest
- ADASYN
- SMOTEENN
- SMOTETomek
Group 19: 生命徵象異常測量值警示 2
這是高手高手高高手!!!
-
標記
- 使用護理紀錄: 找出有標註的護理紀錄
- 著名紀錄
-
生命現象
- 高度相關
- BMI
- Age
- 高度相關
- 9 種慢性疾病
-
也加入時間軸的
-
Model
- Random Forest
- XGBoost
- LightGbm
- LightGbm
- Hard Voting
- Soft Voting
-
學理的判斷資訊
- F1: 0.08,
- Recall: 0,71
-
SHAP Value
Group 20 英文發音矯正系統
-
Jella
-
Object
- 念錯字
- 改進目標
- 透過 AI 來判斷哪種發音是異常,現階段幾乎都是人工閱聽
- 工具先預先判斷異常的發音
-
Speech Recognition, Speech To Text, Speaker Recognition
- 單音糾正
- HMM, GMM
-
Data Preparation:
-
聲音: 波型
- STFT
-
Group 21 智慧健身教練
-
深蹲
-
open-pose
-
光流
-
3d-cnn
-
time-distributed
Group 22 預測美元漲跌走勢及其價格區間
KPMG, 國泰
-
Prediction intervals of us dollar index
- AI Investment Platform
- ML/DL: Predcitve Models
- Open Financial Data
- Currentes, Stock, Bonds
- Model Center
- NN /DNN
- CNN
- ML
-
POC Stage
- US Dollar Index
- 美元指數
- EUR, JPY, GBP, CHF, CAD and SEK
-
Mission
- formulate price intervals output
-
選擇區間 unit
- daily
-
weekly
-
Learning Rate Scheduler
- [https://towardsdatascience.com/learning-rate-scheduler-d8a55747dd90]{:target=”_back”}
Group 23 音樂曲風辨識 1
超棒~~~~~~~
-
辨識曲風
- jazz, classical, hip-hpop, rock, and blue
-
Data GTZAN
-
EDA
-
每首歌切3s
- 3s music 轉 stft
- mei filter bank
- melspectrum
-
-
Melspectrum
- 各種曲風看出來的都會有自己的特色
-
Model
- CNN
- Xception
- VGG16
- VGG16 最棒棒
-
音色轉換
- 鋼琴 -> 吉他
-
不同樂器的泛音
- 都不一樣
-
piano & guitar
- guitar 高頻衰減比較少
- guitar 會影響其他弦
- piano 高頻衰減高
- guitar 高頻衰減比較少
- HPSS
-
tfrecod 可存音樂!!! 很快!!
- CycleGAN
- CQT 轉換
- unet ++
Goup 24 新聞推薦系統 1
-
Collaborative Filtering
- collaborative filtering is said to memory based
- user based
- item based
-
Content based
-
TF IDF
-
Data Preprocessing
-
user-based vs. item-based recommendation
- Similarity
- Pearson Correlation
- Mean Squared Distance
-
N-Neighbors User Based Collaborative Filtering Algorithm
-
hitratio & ndcg
Group 25 手勢辨識與指尖追蹤 1
-
EDA
-
GANerated Hands / Rendered Handpose Dataset
- GANerated Hands
- Rendered Hand pose Dataset
Group 26 手勢辨識與指尖追蹤 2
-
moel
- RegNet
- Different loss weight for 2D and 3D
- RegNet
-
GeoConGan
-
video Demo
- 用手控制音樂撥放
- 玩俄羅斯方塊
Group 27 新聞推薦系統 2
- non-negative matrix factorization
Group 28 音樂曲風辨識 2
- ai-音樂玩家
品味美、創造美
-
Preprocess
- music segementation: 8 s.
-
兩組都用 Melspectrum
- resullt & discussion
- 把 pop and rock 拿掉
- 0.67 —> 0.87
-
normalization
- min & max
- resullt & discussion
-
創造美!
-
Genere Transfer
- Change Pich
- WGAN-GP
- CycleGAN
- Change Velocity
- RNN
-
把所有樂器都壓成鋼琴
-
天空之城 轉 jazz
-
RNN Architecture
- pitch change
- cycleGAN 可做 —> music generation
-
Group 29 美國股債轉折點預測與投資組合交易回測 1
最棒棒!!!!
Group 30 美國股債轉折點預測與投資組合交易回測 2
-
TA-lib (open source lib)
-
1年(252交易日)
-
FB Prophet (open source)
Group 31 埋葬蟲移動軌跡偵測(Tracking)與行為偵測 (Action)
-
社會性生物追蹤 與互動行為預測
-
行為
- attck
- chase
- escape
- Wrestle
- object detection
- yolov3, M2Det
- M2Det
- CFENet 對小物體駔最佳化
- 比 Faster-CNN, yolo 還棒棒!
- object tracking
- Sort, NASNet,
-
Performance
- IOU
-
Improve recall
- recall 高
- 盡量框出埋葬蟲
- recall 高
-
Object Classification
- NASNet
-
SORT + NASNet
-
Behavior Prediction
- detection + tracking + classification + behavior prediction
Group 32 新聞推薦系統 News Recommendation System
-
Objective
- news 2018/01 ~ 2018/12
- 最高點擊
- July
- 5 pm
- 最高點擊
- news 2018/01 ~ 2018/12
-
Open Data + Sentiment Analytics + User Click Log + News Content
- 112 features
-
Model
- Wide & Deep
- K-means
- 人分群
- group n
- FM
Microsoft Azure Machine Learning
- AI global trend
- Clud or not (security)
- MS AI solution
Adopting Advanced Analytics and AI in your company
- Where do you see your company today ?
2020 3.9T
- decision support
- virutal agents
- smart products
- workflow sutomation
Digital Transformation
-
Engage your
customers
-
Epower your
employees
-
Optimize your
operations
-
Transform your
products
Momentum
-
194 billion
/ External Requesets made to Azure App Service -
750 million
/ Azure Active Directory users -
340 billion
/ Azure SQL query requests processed/day -
188 billion
/ Hits to websites run on Azure Web App Service
Cybersecurity Reference Architecture
Azure Data Center
-
Microsoft Cloud Infrastructure and Operations Security starts with physical data center
-
Azure Compliance Engineering
- Certification
- ISO
- SOC I
- …
- Certification
Continuous Compliance approach
Projec tBrainwave
- field-programmable gate array (FPGA)
ONNX and Azure Machine Learning: Create and accelerate ML models
Azure Cognitive Services
- most comprehensive pre-trained AI
- Decision
- Speech
- Language
- vision
- web search
IOT + Edge
-
Azure IoT Edge
-
Coud GeteWay + Insights + Actions
DevOps
- k8s
GPU
-
Broad Range of GPU Scenarios in Azure
- Visualization
- Rendering
- HPC/Simulation
- Deep-Learning/AI
Autonomous
Azure Batch AI
Automated machine learning
- automated ML
Power BI with AI
-https://powerbi.microsoft.com/en-us/
-
丟掉、丟掉、丟掉、把不賺錢的都丟掉
-
cloud first & mobile first
微軟小冰!
Microsoft Azure Data Lake
- 在 lake 裡面放各種資料,不同格式不同類型的資料。
Lambda architecture
-https://en.wikipedia.org/wiki/Lambda_architecture
Cortana
Power BI
-
Power BI Desktop
-
Power BI Free
-
Power BI Pro
-
Power BI Premium
SQL2016, 2019
- +R
- +python, +java
SQL Serve
- rxDTree & plot(create TreeView());