JoshVarty

learner = load_learner('../data/cropped_faces','effnet_test.pkl',
                    test=ImageList.from_folder('/home/josh/git/kgl_deepfake/data/cropped_faces/valid'))

# Opening an image with fastai
fastai_img = open_image('/home/josh/git/kgl_deepfake/data/cropped_faces/valid/vylzsyazmx.mp4_1_REAL.jpg')
print(fastai_img.shape)

# Opening an image manually
manual_img = PILImage.open('/home/josh/git/kgl_deepfake/data/cropped_faces/valid/vylzsyazmx.mp4_1_REAL.jpg')
manual_img_array = np.array(manual_img, dtype=np.float32) / 255.

JoshVarty

def get_img_pil(path):
    img = Image.open(path)
    arr = np.asarray(img)
    img.close()
    del img
    return arr


def get_img_cv2(path):
    img = cv2.imread(path)

JoshVarty

learn.fit_one_cycle(10, max_lr=(1e-2))

JoshVarty

learn.fit_one_cycle(10, max_lr=(1e-2))

JoshVarty

learn = cnn_learner(data, models.resnet18, pretrained=False, metrics=[f_score])
learn.unfreeze()
learn.fit_one_cycle(10, max_lr=slice(1e-6,1e-2))

JoshVarty

# Simply pass in a learner and the module you would like to instrument
def probeModule(learn, module):
    hook = StoreHook(learn, modules=flatten_model(module))
    learn.callbacks += [ hook ]
    return hook

JoshVarty

# Modified from: https://forums.fast.ai/t/confused-by-output-of-hook-output/29514/4
class StoreHook(HookCallback):
    def on_train_begin(self, **kwargs):
        super().on_train_begin(**kwargs)
        self.hists = []
        
    def hook(self, m, i, o): 
        return o
    
    def on_batch_end(self, train, **kwargs): 

JoshVarty

class RNN:
  # ...
  def step(self, x):
    # update the hidden state
    self.h = np.tanh(np.dot(self.W_hh, self.h) + np.dot(self.W_xh, x))
    # compute the output vector
    y = np.dot(self.W_hy, self.h)
    return y

JoshVarty

class RNN:
  # ...
  def step(self, x):
    # update the hidden state
    self.h = np.tanh(np.dot(self.W_hh, self.h) + np.dot(self.W_xh, x))
    # compute the output vector
    y = np.dot(self.W_hy, self.h)
    return y

JoshVarty

// Place your key bindings in this file to override the defaults
[
  {
  "key": "ctrl+k ctrl+o",
  "command": "workbench.action.files.openFolder"
  },
  {
  "key": "ctrl+o",
  "command": "workbench.action.files.openFile"
  },