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Heatmap Manual adjustment option on Streamlit. #15

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merged 2 commits into from
Sep 6, 2021
Merged

Heatmap Manual adjustment option on Streamlit. #15

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70df25e
Streamlit Heatmap manually adjustment
h1day Sep 5, 2021
a5d43cf
Fixed typo
h1day Sep 6, 2021
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28 changes: 20 additions & 8 deletions streamlit_app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,16 @@ def tensor_to_img(x, normalize=False):
x = x.clip(0.,1.).permute(1,2,0).detach().numpy()
return x

def pred_to_img(x):
x -= x.min()
if x.max() > 0:
x /= x.max()
def pred_to_img(x, range):
range_min, range_max = range
x -= range_min
if (range_max - range_min) > 0:
x /= (range_max - range_min)
return tensor_to_img(x)

def show_pred(sample, score, fmap):
def show_pred(sample, score, fmap, range):
sample_img = tensor_to_img(sample, normalize=True)
fmap_img = pred_to_img(fmap)
fmap_img = pred_to_img(fmap, range)

# overlay
plt.imshow(sample_img)
Expand Down Expand Up @@ -103,6 +104,13 @@ def main():
app_backbone = st.sidebar.selectbox("Choose a backbone",
BACKBONES)

manualRange = st.sidebar.checkbox('Manually set color range', value=False)

if manualRange:
app_color_min = st.sidebar.number_input("set color min ",-1000,1000, 0)
app_color_max = st.sidebar.number_input("set color max ",-1000,1000, 200)
color_range = app_color_min, app_color_max

app_start = st.sidebar.button("Start")

if app_start or "reached_test_phase" not in st.session_state:
Expand Down Expand Up @@ -211,8 +219,12 @@ def main():

sample, *_ = test_dataset[st.session_state.test_idx]
img_lvl_anom_score, pxl_lvl_anom_score = model.predict(sample.unsqueeze(0))
show_pred(sample, img_lvl_anom_score, pxl_lvl_anom_score)

score_range = pxl_lvl_anom_score.min(), pxl_lvl_anom_score.max()
if not manualRange:
color_range = score_range
show_pred(sample, img_lvl_anom_score, pxl_lvl_anom_score, color_range)
st.write("pixel score min:{:.0f}".format(score_range[0]))
st.write("pixel score max:{:.0f}".format(score_range[1]))

@contextmanager
def st_redirect(src, dst, msg):
Expand Down