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README.md
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---
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# For reference on model card metadata, see the spec: https://github.com/huggingface/hub-docs/blob/main/modelcard.md?plain=1
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# Doc / guide: https://huggingface.co/docs/hub/model-cards
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{}
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---
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# Model Card for keerthikoganti/architecture-design-stages-compact-cnn
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<!-- Provide a quick summary of what the model is/does. -->
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ArchiTutor is a compact convolutional neural network (CNN) that classifies images
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## Model Details
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### Model Description
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ArchiTutor is a compact convolutional neural network (CNN) that classifies images of architecture projects into discrete design stages commonly seen in studio workflows: Brainstorm, Design Iteration, Optimization/Detailing, and Final Review/Presentation (class names configurable). The goal is to support design pedagogy and analytics by tagging studio artifacts over time.
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Task: Image classification (multi-class)
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Inputs: RGB images of architecture artifacts (sketches, diagrams, renders, boards, screenshots)
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Outputs: One of the design-stage labels, with class probabilities
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Intended audience: Architecture students, instructors, design researchers, education tech tools
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- **Developed by:** Keerthi Koganti (Carnegie Mellon University)
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- **Model type:** Compact Convolutional Neural Network (CNN)
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- **Language(s) (NLP):** English
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- **License:** MIT
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## Uses
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### Direct Use
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<!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
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Auto-tagging student submissions by stage for feedback dashboards
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Curating datasets of process images for research on studio workflows
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Searching/filtering large archives by stage
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### Downstream Use [optional]
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<!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
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[More Information Needed]
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### Out-of-Scope Use
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<!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
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Not a critique engine; it does not assess design quality
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May struggle with ambiguous mixed-stage boards or atypical media (e.g., code screenshots)
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Performance depends on domain similarity (studio imagery vs. unrelated graphics)
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## Bias, Risks, and Limitations
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<!-- This section is meant to convey both technical and sociotechnical limitations. -->
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Data imbalance: The dataset may contain more examples of final presentation boards than early sketches or optimization models, biasing predictions toward later stages.
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Style bias: If most training images come from specific software (e.g., Rhino/Grasshopper or Revit renderings), the model may underperform on hand drawings, mixed-media collages, or atypical workflows.
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### Recommendations
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<!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
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Diversify training data: Expand datasets to include hand sketches, BIM screenshots, and diverse cultural/academic styles to reduce bias.
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Apply fairness checks: Periodically assess per-class and per-style accuracy metrics to ensure no overfitting to dominant visual tropes.
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Document provenance: Keep metadata on dataset sources, creators, and usage consent for transparency.
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Avoid high-stakes use: The model should not be used for academic assessment, admissions, or publication decisions.
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## How to Get Started with the Model
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Use the code below to get started with the model.
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import torch
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from torchvision import transforms
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from PIL import Image
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from model import load_model # your helper
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from labels import IDX2LABEL # list or dict mapping
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device = "cuda" if torch.cuda.is_available() else "cpu"
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model = load_model(checkpoint_path="checkpoints/best.pt").to(device).eval()
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tfm = transforms.Compose([
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transforms.Resize(256),
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transforms.CenterCrop(224),
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485,0.456,0.406],
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std=[0.229,0.224,0.225]),
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])
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img = Image.open("example.jpg").convert("RGB")
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with torch.no_grad():
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logits = model(tfm(img).unsqueeze(0).to(device))
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probs = torch.softmax(logits, dim=1).squeeze().cpu().tolist()
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pred_idx = int(torch.argmax(logits, dim=1).item())
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print(IDX2LABEL[pred_idx], probs[pred_idx])
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## Training Details
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### Training Data
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<!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
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[More Information Needed]
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### Training Procedure
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<!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
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#### Training Hyperparameters
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- **Training regime:** Framework: PyTorch
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Backbone: Compact CNN (e.g., MobileNetV3-Small or custom ~1–3M params)
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Head: Global pooling → Dropout → Linear (num_classes)
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Loss: Cross-entropy
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Optimizer: AdamW (lr=3e-4, wd=1e-4)
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Scheduler: Cosine decay with warmup (e.g., 5 epochs)
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Augmentations: RandomResizedCrop(224), RandomHorizontalFlip, small ColorJitter
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Batch size / Epochs: [e.g., 64 / 30] (early stopping on val loss)
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Mixed precision: Recommended (AMP)
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Hardware: [e.g., 1× A100 / 1× RTX 3060]
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Reproducibility: Set seeds, log versions (torch, cuda), save train/val metrics <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
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## Citation
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Gen AI used to made this - ChatGPT and Google Colab
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## Model Card Contact
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Maintainer: Keerthi Koganti
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