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model.py
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model.py
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import numpy as np
import pandas as pd
import os
import cv2
import timm
from albumentations.pytorch.transforms import ToTensorV2
import torch
import torch.nn.functional as F
from torch import nn
from torch.optim import Adam
import math
from configuration import *
class ArcMarginProduct(nn.Module):
def __init__(self, opt, in_features, out_features, scale=30.0, margin=0.50, easy_margin=False, ls_eps=0.0):
super(ArcMarginProduct, self).__init__()
self.in_features = in_features
self.out_features = out_features
self.scale = scale
self.margin = margin
self.ls_eps = ls_eps # label smoothing