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POTATOTIPS
#54
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Self
! Aymen Rebouh from France
iOS Engineer at Eureka Inc
Twitter/Github: @aymenworks
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@aymenworks
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• Swift 4.2 and ~= operator
• CoreImage and CIDetector
Self
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One question..
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One question..
How many of you know the ~= operator ?
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~= operator
Check if an array of ྸ contains only value between 18 and 25
Before
let usersAges = [18, 22, 20, 32]
var agesConform = true
for age in agesConform {
if age >= 18 && age <= 25 {
agesConform = false
return
}
}
// false
After let usersAges = [18, 22, 20, 32]
usersAges.filter { age >= 18 && age <= 25 }.count == usersAges.count
// false
After #2 let usersAges = [18, 22, 20, 32]
usersAges.allSatisfy { 18...25 ~= $0 }
// false
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Did someone already used Core
Image?
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CoreImage - CIDetector
ͳʹ͜Εʁ
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CoreImage - CIDetector
How it works
Rectangles,
QRCode, Text
Smile ☹, Eye blink
CIDetector: Image
Processor object
Faces
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CoreImage - CIDetector
Smile detection
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CoreImage - CIDetector
Smile detection
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CoreImage - CIDetector
Smile detection
#1
CIDetector
let detector = CIDetector(
ofType: CIDetectorTypeFace,
context: nil,
options: [CIDetectorAccuracy: CIDetectorAccuracyHigh]
)!
#2
Detecting
Smile
let faces = detector.features(
in: CIImage(image: ),
options: [CIDetectorSmile: true]) as? [CIFaceFeature]
Do what
you want
For face in faces {
// face.bounds, face.hasSmile, face.mouthPosition, etc..
}
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CoreImage - CIDetector
Smile detection
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CoreImage - CIDetector
Smile detection
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CoreImage - CIDetector
https://github.com/WeTransfer/WeScan
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Github - JSONShootout
https://github.com/bwhiteley/JSONShootout
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