SemanticSegmentation-CoreML

This project is Object Segmentation on iOS with Core ML.
If you are interested in iOS + Machine Learning, visit here you can see various DEMOs.

DeepLabV3-DEMO1	FaceParsing-DEMO	DeepLabV3-DEMO-2	DeepLabV3-DEMO-3

How it works

When use Metal

Requirements

• Xcode 10.2+
• iOS 12.0+
• Swift 5

Models

Download

Download model from apple's model page.

Matadata

Name	Input	Output	Size	iOS version+	Download
DeepLabV3	Image (Color 513 × 513)	MultiArray (Int32 513 × 513)	8.6 MB	iOS 12.0+	link
DeepLabV3FP16	Image (Color 513 × 513)	MultiArray (Int32 513 × 513)	4.3 MB	iOS 12.0+	link
DeepLabV3Int8LUT	Image (Color 513 × 513)	MultiArray (Int32 513 × 513)	2.3 MB	iOS 12.0+	link
FaceParsing	Image (Color 512 × 512)	MultiArray (Int32) 512 × 512	52.7 MB	iOS 14.0+	link

Inference Time − DeepLabV3

Device	Inference Time	Total Time (GPU)	Total Time (CPU)
iPhone 12 Pro	29 ms	29 ms	240 ms
iPhone 12 Pro Max	⏲	⏲	⏲
iPhone 12	30 ms	31 ms	253 ms
iPhone 12 Mini	29 ms	30 ms	226 ms
iPhone 11 Pro	39 ms	40 ms	290 ms
iPhone 11 Pro Max	35 ms	36 ms	280 ms
iPhone 11	⏲	⏲	⏲
iPhone SE (2nd)	⏲	⏲	⏲
iPhone XS Max	⏲	⏲	⏲
iPhone XS	54 ms	55 ms	327 ms
iPhone XR	133 ms	⏲	402 ms
iPhone X	137 ms	143 ms	376 ms
iPhone 8+	140 ms	146 ms	420 ms
iPhone 8	189 ms	⏲	529 ms
iPhone 7+	240 ms	⏲	667 ms
iPhone 7	192 ms	208 ms	528 ms
iPhone 6S +	309 ms	⏲	1015 ms

⏲: need to measure

Inference Time − FaceParsing

Device	Inference Time	Total Time (GPU)	Total Time (CPU)
iPhone 12 Pro	⏲	⏲	⏲
iPhone 11 Pro	37 ms	37 ms	⏲

Labels − DeepLabV3

# total 21
["background", "aeroplane", "bicycle", "bird", "boat", 
"bottle", "bus", "car", "cat", "chair", 
"cow", "diningtable", "dog", "horse", "motorbike", 
"person", "pottedplant", "sheep", "sofa", "train", 
"tv"]

Labels − FaceParsing

# total 19
["background", "skin", "l_brow", "r_brow", "l_eye", 
"r_eye", "eye_g", "l_ear", "r_ear", "ear_r", 
"nose", "mouth", "u_lip", "l_lip", "neck", 
"neck_l", "cloth", "hair", "hat"]

See also

• motlabs/iOS-Proejcts-with-ML-Models
  : The challenge using machine learning model created from tensorflow on iOS
• DeepLab on TensorFlow
  : The repository providing DeepLabV3 model
• FaceParsing
  : The repository providing the FaceParsing pytorch model