--- license: mit language: - en pipeline_tag: image-to-video tags: - GAN - U-Net --- # Model Card: Ayo_Generator for GIF Frame Generation ## Model Overview The **Ayo_Generator** model is a GAN-based architecture designed to generate animated sequences, such as GIFs, from a single input image. The model uses a combination of CNN layers, upsampling, and attention mechanisms to produce smooth, continuous motion frames from a static image input. The architecture is particularly suited for generating simple animations (e.g., jumping, running) in pixel-art styles or other low-resolution images. ## Intended Use The **Ayo_Generator** can be used in creative projects, animation generation, or for educational purposes to demonstrate GAN-based sequential generation. Users can input a static character image and generate a sequence of frames that simulate motion. ### Applications - **Sprite Animation for Games:** Generate small animated characters from a single pose. - **Educational Demos:** Teach GAN-based frame generation and image-to-motion transformations. - **GIF Creation:** Turn still images into animated GIFs with basic motion patterns. ## How It Works 1. **Input Image Encoding:** The input image is encoded through a series of convolutional layers, capturing spatial features. 2. **Frame-Specific Embedding:** Each frame is assigned an embedding that indicates its position in the sequence. 3. **Sequential Frame Generation:** Each frame is generated sequentially, with the generator network using the previous frame as context for generating the next. 4. **Attention and Skip Connections:** These features help retain spatial details and produce coherent motion across frames. ## Model Architecture - **Encoder:** Uses multiple convolutional layers to encode the input image into a lower-dimensional feature space. - **Dense Layers:** Compress and embed the encoded information to capture relevant features while reducing dimensionality. - **Decoder:** Upsamples the compressed feature representation, generating frame-by-frame outputs. - **Attention and Skip Connections:** Improve coherence and preserve details, helping to ensure continuity across frames. ## Training Data The **Ayo_Generator** was trained on a custom dataset containing animated characters and their associated motion frames. The dataset includes: - **Character Images:** Base images from which motion frames were generated. - **Motion Frames:** Frames for each character to simulate movement, such as walking or jumping. ### Data Preprocessing Input images are preprocessed to 128x128 resolution and normalized to a [-1, 1] scale. Frame embeddings are incorporated to help the model understand sequential order, with each frame index converted into a unique embedding vector. ## Sample GIF Generation Given an input image, this example code generates a series of frames and stitches them into a GIF. ```python import imageio input_image = ... # Load or preprocess an input image as needed generated_frames = [generator(input_image, tf.constant([i])) for i in range(10)] # Save as GIF with imageio.get_writer('generated_animation.gif', mode='I') as writer: for frame in generated_frames: writer.append_data((frame.numpy() * 255).astype(np.uint8)) ``` ## Evaluation Metrics The model was evaluated based on: - **MSE Loss (Pixel Similarity):** Measures pixel-level similarity between real and generated frames. - **Perceptual Loss:** Captures higher-level similarity using VGG19 features for realism in generated frames. - **Temporal Consistency:** Ensures frames flow smoothly by minimizing the difference between adjacent frames. ## Future Improvements Potential improvements for the Ayo Generator include: - **Enhanced Temporal Consistency:** Using RNNs or temporal loss to improve coherence. - **Higher Resolution Output:** Modifying the model to support 256x256 or higher. - **Additional Character Variation:** Adding data variety to improve generalization. ## Ethical Considerations The **Ayo Generator** is intended for creative and educational purposes. Users should avoid: - **Unlawful or Offensive Content:** Misusing the model to create or distribute harmful animations. - **Unauthorized Replication of Identities:** Ensure that generated characters respect IP and individual likeness rights. ## Model Card Author This Model Card was created by [Minseok Kim]. For any questions, please contact me at [kevkim1018@gmail.com] or [https://github.com/minnnnnnnn-dev] ## Acknowledgments I would like to extend my gratitude to [Junyoung Choi][https://github.com/tomato-data] for valuable insights and assistance throughout the development of the **Ayo Generator** model. Their feedback greatly contributed to the improvement of this project. Additionally, special thanks to the [Team **Six Guys**] for providing helpful resources and support during the research process.