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+ ---
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+ # **OpenCOCO-I2T-Repack-Tiny**
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+ > **OpenCOCO-I2T-Repack-Tiny** is a compact **image-to-text / image-text-to-text captioning dataset** containing **158,958 image samples** sourced from the **COCO dataset** and repackaged into a lightweight format suitable for vision-language model (VLM) fine-tuning. The dataset contains synthesized responses generated using a **custom Qwen3.5 multimodal captioning pipeline**. The input images undergo **lossless image compression** to significantly reduce the overall storage footprint while preserving the visual information required for training and inference. With approximately **159K samples compressed into only 3.84 GB**, OpenCOCO-I2T-Repack-Tiny is designed to provide an easily accessible and efficient dataset for VLM-based fine-tuning, experimentation, and image understanding tasks.
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+
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+ ## Dataset Overview
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+
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+ | Property | Details |
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+ | ------------------ | ------------------------------------- |
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+ | Dataset Name | **OpenCOCO-I2T-Repack-Tiny** |
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+ | Samples | **158,958** |
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+ | Task | Image-to-Text / Image-Text-to-Text |
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+ | Modality | Image + Text |
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+ | Image Source | COCO |
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+ | Caption Generation | Qwen3.5 Custom Multimodal Pipeline |
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+ | Format | Parquet |
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+ | Dataset Size | **3.84 GB** |
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+ | License | Apache-2.0 |
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+ | Primary Use | VLM Fine-Tuning / Image Understanding |
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+
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+ ## Description
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+ OpenCOCO-I2T-Repack-Tiny is a repackaged version of COCO-based image data designed specifically for efficient multimodal training workflows.
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+ The dataset consists of:
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+ * **158,958 image-text samples**
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+ * Images sourced from the publicly available **COCO dataset**
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+ * Rich textual responses generated through a custom **Qwen3.5 multimodal pipeline**
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+ * Losslessly compressed input images
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+ * A compact Parquet-based dataset structure
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+ * Image source metadata preserved alongside the generated responses
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+ The goal is to provide a relatively small storage footprint while retaining a large number of image-text training examples.
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+
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+ ## Dataset Construction
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+ The dataset construction pipeline consists of several stages:
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+ 1. **Image Collection**
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+ * Images are sourced from the COCO dataset.
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+ * The original image source is retained through the `image_source` field.
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+ 2. **Multimodal Caption Generation**
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+ * Images are processed through a custom Qwen3.5-based multimodal pipeline.
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+ * The pipeline generates descriptive textual responses based on the visual content of each image.
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+ 3. **Image Compression**
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+ * Input images undergo lossless image compression.
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+ * The objective is to reduce storage requirements without introducing lossy visual degradation.
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+ 4. **Dataset Repacking**
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+ * Images and generated responses are consolidated into a compact dataset structure.
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+ * The final dataset is packaged in Parquet format for efficient loading and processing.
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+ 5. **VLM Training Preparation**
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+ * The resulting image-text pairs can be directly adapted for multimodal fine-tuning workflows.
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+ ## Dataset Structure
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+ The dataset contains the following primary fields:
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+ ```text
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+ image
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+ image_source
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+ response
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+ ```
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+ ### `image`
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+ The compressed input image used for multimodal captioning and analysis.
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+ ### `image_source`
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+ The source associated with the original image.
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+ For COCO samples, the source is:
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+ [COCO Dataset](https://cocodataset.org/?utm_source=chatgpt.com)
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+ ### `response`
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+ The synthesized textual response generated by the custom Qwen3.5 multimodal pipeline.
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+ The responses are intended to provide rich visual descriptions suitable for image understanding and VLM training.
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+
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+ ## Example
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+ ```text
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+ image:
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+ [COCO image]
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+ image_source:
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+ http://cocodataset.org/
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+ response:
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+ This outdoor wooden table scene features a hearty breakfast setup, bathed in bright sunlight. In the foreground, multiple plates and food items are arranged across the table...
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+ ```
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+ ## Dataset Statistics
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+ * **Total Samples:** 158,958
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+ * **Approximate Dataset Size:** 3.84 GB
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+ * **Source:** COCO
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+ * **Task:** Image-to-Text / Image-Text-to-Text
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+ * **Image Compression:** Lossless
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+ * **Caption Generation:** Qwen3.5 Custom Multimodal Pipeline
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+ The compact storage footprint makes the dataset convenient for local experimentation, cloud training, and VLM fine-tuning environments with limited storage capacity.
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+ ## Intended Use
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+ OpenCOCO-I2T-Repack-Tiny can be used for:
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+ * Vision-Language Model fine-tuning
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+ * Image captioning
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+ * Image understanding
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+ * Visual instruction tuning
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+ * Multimodal representation learning
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+ * Image-to-text generation
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+ * Image-text alignment
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+ * VLM benchmarking and experimentation
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+ * Lightweight multimodal training pipelines
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+
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+ ## Why OpenCOCO-I2T-Repack-Tiny?
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+ The primary goal of this repack is **efficiency**.
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+ Rather than maintaining a large raw image collection, the dataset combines a high sample count with aggressive **lossless compression** and an efficient Parquet-based representation.
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+ This results in:
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+ > **158,958 image-text samples in approximately 3.84 GB.**
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+ This makes the dataset particularly useful for researchers and developers who want a large number of multimodal examples without requiring an excessively large amount of local or cloud storage.
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+ ## Data Source
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+ The underlying images are sourced from the **COCO dataset**.
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+ [COCO Dataset](https://cocodataset.org/)
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+ This dataset is a repackaged and processed resource containing generated textual responses and compressed image representations.
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+ Users should review the original source dataset's terms and attribution requirements when using the data.
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+ ## Citation
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+ If you use **OpenCOCO-I2T-Repack-Tiny** in your research or project, please cite:
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+ ```bibtex
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+ @misc{prithiv_sakthi_2026,
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+ author = {Prithiv Sakthi},
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+ title = {OpenCOCO-I2T-Repack-Tiny (Revision a7ae40c)},
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+ year = {2026},
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+ url = {https://huggingface.co/datasets/prithivMLmods/OpenCOCO-I2T-Repack-Tiny},
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+ doi = {10.57967/hf/10057},
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+ publisher = {Hugging Face}
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+ }
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+ ```
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+ Dataset page:
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+ [OpenCOCO-I2T-Repack-Tiny on Hugging Face](https://huggingface.co/datasets/prithivMLmods/OpenCOCO-I2T-Repack-Tiny)
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+ Dataset creator:
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+ [prithivMLmods on Hugging Face](https://huggingface.co/prithivMLmods)
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+ ## License
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+ This dataset is released under the **Apache-2.0** license as indicated by the dataset repository.
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+ Because the underlying imagery originates from COCO, users should also review the applicable terms, attribution requirements, and usage conditions associated with the original source material.