gchhablani's picture
Fix slider issue
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from io import BytesIO
import streamlit as st
import pandas as pd
import json
import os
import numpy as np
from streamlit.elements import markdown
from PIL import Image
from model.flax_clip_vision_marian import (
FlaxCLIPVisionMarianMT,
)
from transformers import MarianTokenizer
from utils import (
get_transformed_image,
)
import matplotlib.pyplot as plt
from mtranslate import translate
from session import _get_state
state = _get_state()
@st.cache
def load_model(ckpt):
return FlaxCLIPVisionMarianMT.from_pretrained(ckpt)
tokenizer = MarianTokenizer.from_pretrained("Helsinki-NLP/opus-mt-en-es")
@st.cache(persist=True)
def generate_sequence(pixel_values, num_beams, temperature, top_p):
output_ids = model.generate(input_ids=pixel_values, max_length=64, num_beams=num_beams, temperature=temperature, top_p = top_p)
print(output_ids)
output_sequence = tokenizer.batch_decode(output_ids[0], skip_special_tokens=True, max_length=64)
return output_sequence
def read_markdown(path, parent="./sections/"):
with open(os.path.join(parent, path)) as f:
return f.read()
checkpoints = ["./ckpt/ckpt-17499"] # TODO: Maybe add more checkpoints?
dummy_data = pd.read_csv("reference.tsv", sep="\t")
st.set_page_config(
page_title="Multilingual Image Captioning",
layout="wide",
initial_sidebar_state="collapsed",
page_icon="./misc/mic-logo.png",
)
st.title("Multilingual Image Captioning")
st.write(
"[Bhavitvya Malik](https://huggingface.co/bhavitvyamalik), [Gunjan Chhablani](https://huggingface.co/gchhablani)"
)
st.sidebar.title("Generation Parameters")
num_beams = st.sidebar.number_input(label="Number of Beams", min_value=2, max_value=10, value=4, step=1, help="Number of beams to be used in beam search.")
temperature = st.sidebar.select_slider(label="Temperature", options = list(np.arange(0.0,1.1, step=0.1)), value=1.0, help ="The value used to module the next token probabilities.", format_func=lambda x: f"{x:.2f}")
top_p = st.sidebar.select_slider(label = "Top-P", options = list(np.arange(0.0,1.1, step=0.1)),value=1.0, help="Nucleus Sampling : If set to float < 1, only the most probable tokens with probabilities that add up to :obj:`top_p` or higher are kept for generation.", format_func=lambda x: f"{x:.2f}")
image_col, intro_col = st.beta_columns([3, 8])
# image_col.image("./misc/sic-logo.png", use_column_width="always")
intro_col.write(read_markdown("intro.md"))
with st.beta_expander("Usage"):
st.markdown(read_markdown("usage.md"))
with st.beta_expander("Article"):
st.write(read_markdown("abstract.md"))
st.write(read_markdown("caveats.md"))
# st.write("# Methodology")
# st.image(
# "./misc/Multilingual-IC.png", caption="Seq2Seq model for Image-text Captioning."
# )
st.markdown(read_markdown("pretraining.md"))
st.write(read_markdown("challenges.md"))
st.write(read_markdown("social_impact.md"))
st.write(read_markdown("references.md"))
# st.write(read_markdown("checkpoints.md"))
st.write(read_markdown("acknowledgements.md"))
first_index = 20
# Init Session State
if state.image_file is None:
state.image_file = dummy_data.loc[first_index, "image_file"]
state.caption = dummy_data.loc[first_index, "caption"].strip("- ")
image_path = os.path.join("images", state.image_file)
image = plt.imread(image_path)
state.image = image
# col1, col2 = st.beta_columns([6, 4])
if st.button("Get a random example", help="Get a random example from one of the seeded examples."):
sample = dummy_data.sample(1).reset_index()
state.image_file = sample.loc[0, "image_file"]
state.caption = sample.loc[0, "caption"].strip("- ")
image_path = os.path.join("images", state.image_file)
image = plt.imread(image_path)
state.image = image
# col2.write("OR")
# uploaded_file = col2.file_uploader("Upload your image", type=["png", "jpg", "jpeg"])
# if uploaded_file is not None:
# state.image_file = os.path.join("images", uploaded_file.name)
# state.image = np.array(Image.open(uploaded_file))
transformed_image = get_transformed_image(state.image)
new_col1, new_col2 = st.beta_columns([5,5])
# Display Image
new_col1.image(state.image, use_column_width="always")
# Display Reference Caption
new_col2.write("**Reference Caption**: " + state.caption)
new_col2.markdown(
f"""**English Translation**: {translate(state.caption, 'en')}"""
)
with st.spinner("Loading model..."):
model = load_model(checkpoints[0])
sequence = ['']
if new_col2.button("Generate Caption", help="Generate a caption in the specified language."):
with st.spinner("Generating Sequence..."):
sequence = generate_sequence(transformed_image, num_beams, temperature, top_p)
# print(sequence)
if sequence!=['']:
st.write(
"**Generated Caption**: "+sequence[0]
)
st.write(
"**English Translation**: "+ translate(sequence[0])
)