feat: add app

.gitignore

@@ -0,0 +1 @@
+.venv/

README.md

@@ -1,13 +1,14 @@
 ---
 title: Image Binarization
-emoji: 🦀
+emoji: ✂️
 colorFrom: indigo
 colorTo: red
 sdk: gradio
-sdk_version: 3.24.1
+sdk_version: 3.25.0
+python_version: 3.11
 app_file: app.py
 pinned: false
 license: mit
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+Check out the configuration reference at <https://huggingface.co/docs/hub/spaces-config-reference>

app.py

@@ -0,0 +1,42 @@
+import gradio as gr
+import numpy as np
+import cv2
+
+
+def run(img: np.ndarray, thres: int) -> tuple[np.ndarray, int | str]:
+    img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+
+    if thres > 0:
+        _, img = cv2.threshold(img, thres, 255, cv2.THRESH_BINARY)
+        threshold = thres
+    elif thres < 0:
+        img = cv2.adaptiveThreshold(
+            img, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY, 11, -thres
+        )
+        threshold = "adaptive"
+    else:
+        threshold, img = cv2.threshold(img, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU)
+
+    return img, threshold
+
+
+app = gr.Interface(
+    fn=run,
+    inputs=[
+        gr.Image(label="image"),
+        gr.Slider(
+            -30,
+            255,
+            -2,
+            label="threshold",
+            info="0 for Otsu's method, negative for adaptive thresholding",
+        ),
+    ],
+    outputs=[
+        gr.Image(label="processed"),
+        gr.Label(label="threshold"),
+    ],
+    allow_flagging="never",
+)
+
+app.queue().launch()

packages.txt

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+python3-opencv

pyproject.toml

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+[tool.poetry]
+name = "image-binarization"
+version = "0.1.0"
+description = ""
+authors = ["JacobLinCool <jacoblincool@gmail.com>"]
+license = "MIT"
+readme = "README.md"
+packages = [{include = "image_binarization"}]
+
+[tool.poetry.dependencies]
+python = "~3.11"
+gradio = "^3.25.0"
+opencv-python = "^4.7.0.72"
+numpy = "^1.24.2"
+
+[tool.poetry.group.dev.dependencies]
+black = "^23.3.0"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"

requirements.txt

@@ -0,0 +1,66 @@
+aiofiles==23.1.0 ; python_version >= "3.11" and python_version < "3.12"
+aiohttp==3.8.4 ; python_version >= "3.11" and python_version < "3.12"
+aiosignal==1.3.1 ; python_version >= "3.11" and python_version < "3.12"
+altair==4.2.2 ; python_version >= "3.11" and python_version < "3.12"
+anyio==3.6.2 ; python_version >= "3.11" and python_version < "3.12"
+async-timeout==4.0.2 ; python_version >= "3.11" and python_version < "3.12"
+attrs==22.2.0 ; python_version >= "3.11" and python_version < "3.12"
+certifi==2022.12.7 ; python_version >= "3.11" and python_version < "3.12"
+charset-normalizer==3.1.0 ; python_version >= "3.11" and python_version < "3.12"
+click==8.1.3 ; python_version >= "3.11" and python_version < "3.12"
+colorama==0.4.6 ; python_version >= "3.11" and python_version < "3.12" and platform_system == "Windows"
+contourpy==1.0.7 ; python_version >= "3.11" and python_version < "3.12"
+cycler==0.11.0 ; python_version >= "3.11" and python_version < "3.12"
+entrypoints==0.4 ; python_version >= "3.11" and python_version < "3.12"
+fastapi==0.95.0 ; python_version >= "3.11" and python_version < "3.12"
+ffmpy==0.3.0 ; python_version >= "3.11" and python_version < "3.12"
+filelock==3.11.0 ; python_version >= "3.11" and python_version < "3.12"
+fonttools==4.39.3 ; python_version >= "3.11" and python_version < "3.12"
+frozenlist==1.3.3 ; python_version >= "3.11" and python_version < "3.12"
+fsspec==2023.4.0 ; python_version >= "3.11" and python_version < "3.12"
+gradio-client==0.0.10 ; python_version >= "3.11" and python_version < "3.12"
+gradio==3.25.0 ; python_version >= "3.11" and python_version < "3.12"
+h11==0.14.0 ; python_version >= "3.11" and python_version < "3.12"
+httpcore==0.17.0 ; python_version >= "3.11" and python_version < "3.12"
+httpx==0.24.0 ; python_version >= "3.11" and python_version < "3.12"
+huggingface-hub==0.13.4 ; python_version >= "3.11" and python_version < "3.12"
+idna==3.4 ; python_version >= "3.11" and python_version < "3.12"
+jinja2==3.1.2 ; python_version >= "3.11" and python_version < "3.12"
+jsonschema==4.17.3 ; python_version >= "3.11" and python_version < "3.12"
+kiwisolver==1.4.4 ; python_version >= "3.11" and python_version < "3.12"
+linkify-it-py==2.0.0 ; python_version >= "3.11" and python_version < "3.12"
+markdown-it-py==2.2.0 ; python_version >= "3.11" and python_version < "3.12"
+markdown-it-py[linkify]==2.2.0 ; python_version >= "3.11" and python_version < "3.12"
+markupsafe==2.1.2 ; python_version >= "3.11" and python_version < "3.12"
+matplotlib==3.7.1 ; python_version >= "3.11" and python_version < "3.12"
+mdit-py-plugins==0.3.3 ; python_version >= "3.11" and python_version < "3.12"
+mdurl==0.1.2 ; python_version >= "3.11" and python_version < "3.12"
+multidict==6.0.4 ; python_version >= "3.11" and python_version < "3.12"
+numpy==1.24.2 ; python_version >= "3.11" and python_version < "3.12"
+opencv-python==4.7.0.72 ; python_version >= "3.11" and python_version < "3.12"
+orjson==3.8.10 ; python_version >= "3.11" and python_version < "3.12"
+packaging==23.0 ; python_version >= "3.11" and python_version < "3.12"
+pandas==2.0.0 ; python_version >= "3.11" and python_version < "3.12"
+pillow==9.5.0 ; python_version >= "3.11" and python_version < "3.12"
+pydantic==1.10.7 ; python_version >= "3.11" and python_version < "3.12"
+pydub==0.25.1 ; python_version >= "3.11" and python_version < "3.12"
+pyparsing==3.0.9 ; python_version >= "3.11" and python_version < "3.12"
+pyrsistent==0.19.3 ; python_version >= "3.11" and python_version < "3.12"
+python-dateutil==2.8.2 ; python_version >= "3.11" and python_version < "3.12"
+python-multipart==0.0.6 ; python_version >= "3.11" and python_version < "3.12"
+pytz==2023.3 ; python_version >= "3.11" and python_version < "3.12"
+pyyaml==6.0 ; python_version >= "3.11" and python_version < "3.12"
+requests==2.28.2 ; python_version >= "3.11" and python_version < "3.12"
+semantic-version==2.10.0 ; python_version >= "3.11" and python_version < "3.12"
+six==1.16.0 ; python_version >= "3.11" and python_version < "3.12"
+sniffio==1.3.0 ; python_version >= "3.11" and python_version < "3.12"
+starlette==0.26.1 ; python_version >= "3.11" and python_version < "3.12"
+toolz==0.12.0 ; python_version >= "3.11" and python_version < "3.12"
+tqdm==4.65.0 ; python_version >= "3.11" and python_version < "3.12"
+typing-extensions==4.5.0 ; python_version >= "3.11" and python_version < "3.12"
+tzdata==2023.3 ; python_version >= "3.11" and python_version < "3.12"
+uc-micro-py==1.0.1 ; python_version >= "3.11" and python_version < "3.12"
+urllib3==1.26.15 ; python_version >= "3.11" and python_version < "3.12"
+uvicorn==0.21.1 ; python_version >= "3.11" and python_version < "3.12"
+websockets==11.0.1 ; python_version >= "3.11" and python_version < "3.12"
+yarl==1.8.2 ; python_version >= "3.11" and python_version < "3.12"