Jack Vial

About:

Grew up in Donegal, Ireland
Live in Cleveland OH
Staff Software Engineer at environmental startup Encamp
Like Machine Learning, DSP, and Robotics
Like heavy metal and shredding on the guitar

Work:

Encamp report filing engine: Orchestrates thousands of long-running browser automation sessions to enter data into state EPA websites for all 50 states. This presents an interesting resource constrained, distributed systems, and scheduling problem.
Tuatara: Deep Learning OCR Engine
Insomnia Cookies app

        
        # Load and reshape weights
        W ← &i "data/mnist_weights_e100.ua"
        AV ← use "AV" W
        ABV ← use "ABV" W
        A ← ↯ 256_784 AV 1
        AB ← ABV 1
        
        BV ← use "BV" W
        BBV ← use "BBV" W
        B ← ↯ 128_256 BV 1
        BB ← BBV 1
        
        CV ← use "CV" W
        CBV ← use "CBV" W
        C ← ↯ 64_128 CV 1
        CB ← CBV 1
        
        DV ← use "DV" W
        DBV ← use "DBV" W
        D ← ↯ 10_64 DV 1
        DB ← DBV 1
        
        # Load and reshape image
        Image ← ↯ 28_28 ↙ 1 ⍉ ⍉ &imd &frab "data/img_7635.jpg"
        &ims Image
        
        E ← 2.71828182
        ReLU ← ↥ 0
        SoftMax ← ÷ /+. ⁿ ∶ E
        
        # Forward pass
        X ← ReLU + AB /+× ♭ Image ⍉ A
        X ← ReLU + BB /+× X ⍉ B
        X ← ReLU + CB /+× X ⍉ C
        ↙ 1 ⍖ SoftMax + DB /+× X ⍉ D

Kaggle notebook on Fourier Transform, Filters, and the Convolution Theorem

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