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Epoch

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  1. Learning Rate Decay, at 0:0910:09

    IIT Madras (NPTEL)

    Learning Rate Decay

    “Epoch is when you have gone through your entire data set, epoch is when you have gone through your entire data set once, that is one epoch, right. Let us say you are using stochastic gradient descent or mini batch gradient descent, you have to run through your entire data set and that would be considered as one epoch.”

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    Moment · 0:09

    Learning Rate Decay

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  • Explanation thumbnail

    The frame at that moment, cropped around the speaker by AI.

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    …/video/upload/so_9.5,c_fill,ar_16:9,w_640,g_auto/f_auto,q_auto/pravaha/2b17046e-fb2d-4a2c-ad2c-e84a76f8c28a.jpg

    so_9.5
    starts at 9.5 s
    c_fill
    crops to fill the frame exactly
    ar_16:9
    aspect ratio 16 : 9
    w_640
    640 px wide
    g_auto
    AI picks the focus (the speaker or slide), not a blind centre crop
    f_auto
    best format for each device (e.g. AV1, WebM, MP4, WebP)
    q_auto
    AI-chosen quality: smallest file that still looks right

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