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import streamlit as st
import torch
from PIL import Image
from models import IndividualLandmarkViT
from utils import VisualizeAttentionMaps
from utils.transform_utils import make_test_transforms
st.title("PdiscoFormer Part Discovery Visualizer")
model_options = ["ananthu-aniraj/pdiscoformer_cub_k_8", "ananthu-aniraj/pdiscoformer_cub_k_16",
"ananthu-aniraj/pdiscoformer_cub_k_4", "ananthu-aniraj/pdiscoformer_part_imagenet_ood_k_8",
"ananthu-aniraj/pdiscoformer_part_imagenet_ood_k_25",
"ananthu-aniraj/pdiscoformer_part_imagenet_ood_k_50",
"ananthu-aniraj/pdiscoformer_flowers_k_2", "ananthu-aniraj/pdiscoformer_flowers_k_4",
"ananthu-aniraj/pdiscoformer_flowers_k_8", "ananthu-aniraj/pdiscoformer_nabirds_k_4",
"ananthu-aniraj/pdiscoformer_nabirds_k_8", "ananthu-aniraj/pdiscoformer_nabirds_k_11",
"ananthu-aniraj/pdiscoformer_pimagenet_seg_k_8", "ananthu-aniraj/pdiscoformer_pimagenet_seg_k_16",
"ananthu-aniraj/pdiscoformer_pimagenet_seg_k_25", "ananthu-aniraj/pdiscoformer_pimagenet_seg_k_41",
"ananthu-aniraj/pdiscoformer_pimagenet_seg_k_50"]
model_name = st.selectbox("Select a model", model_options)
if model_name is not None:
if "cub" in model_name or "nabirds" in model_name:
image_size = 518
else:
image_size = 224
# Set the device
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# Load the model
model = IndividualLandmarkViT.from_pretrained(model_name, input_size=image_size).eval().to(device)
num_parts = model.num_landmarks
amap_vis = VisualizeAttentionMaps(num_parts=num_parts + 1, bg_label=num_parts)
test_transforms = make_test_transforms(image_size)
# Instructions
st.write("If you choose to upload an image, the part assignment will be visualized. "
"The model is trained to discover parts of the salient objects in the image depending on the training dataset.")
st.write("If you choose one of the CUB or NABirds models, please choose a bird image.")
st.write("If you choose one of the Flower models, please choose a flower image.")
st.write("If you choose one of the PartImageNet models, please choose an image of classes from PartImageNet like land animals/birds/cars/bottles/airplanes.")
image_name = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"]) # Upload an image
if image_name is not None:
image = Image.open(image_name).convert("RGB")
image_tensor = test_transforms(image).unsqueeze(0).to(device)
with torch.no_grad():
maps, scores = model(image_tensor)
coloured_map = amap_vis.show_maps(image_tensor, maps)
st.image(coloured_map, caption="Attention Map", use_column_width=True)
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