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nnethercott/
llava-v1.5-7b-gpt4OCR-hf-GGUF_Q4_K_M

Name: llava-v1.5-7b-gpt4OCR-hf-GGUF_Q4_K_M
Availability: InStock

jimmycarter/textocr-gpt4v

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Model Details

Model Description

Finetuned version of liuhaotian/llava-v1.5-7b on ocr and object detection data using LoRA (adapter config at bottom) to improve OCR captioning abilities and bounding box generation.

The two datasets used for fine tuning are:

We use 10k samples from GRIT where each sample has an image-caption CLIP similarity larger than 0.35 and where the caption does not contain any proper nouns (filtered using spaCy).

How to Get Started with the Model

Use the code below to get started with the model:

python

from llama_cpp import Llama
from llama_cpp.llama_chat_format import Llava15ChatHandler
import io
from PIL import Image
import base64
import os 
import json
import argparse 
import time 
from pathlib import Path 

chat_handler = Llava15ChatHandler(clip_model_path="your-path-to-mmproj-model-f16.gguf")

llm = Llama(
  model_path="your-path-to-llava-v1.5-7b-ocr-pretrain.Q4_K_M.gguf",
  chat_handler=chat_handler,
  n_ctx=2048, # n_ctx should be increased to accomodate the image embedding
  logits_all=True,# needed to make llava work
  n_gpu_layers=-1, 
)

def inference(url, question):
    start = time.perf_counter()
    output = llm.create_chat_completion(
         messages = [
            {"role": "system", "content": "You are an assistant who answers user questions"},
            {
                "role": "user",
                "content": [
                    {"type": "image_url", 
                     "image_url": {
                         "url": url
                        }
                    },
                    {"type" : "text", "text": question}
                ]
            }
        ],
        temperature=1.0,
    )
    stop = time.perf_counter()

    return {
        **output,
        "completion_time": stop-start,
        "tokens-per-second": output["usage"]["completion_tokens"]/(stop-start),
    } 
    
 
def img_base64(path):
    ext = path.suffix
    path = str(path)
    with open(str(path), 'rb') as f:
        data = f.read()
    return f'data:image/{ext};base64,' + base64.b64encode(data).decode('utf8')

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('--url', help="url of an image for inference", type=str, default = "https://adquick-public.imgix.net/landing+images/media_formats/billboard-carvana.png?auto=format")
    parser.add_argument('--question', '-q', type=str, default="generate a descriptive caption for this image.")

    args = parser.parse_args()
    url = args.url 

    # hope this works for local images 
    if url.startswith('/') or url.startswith('./') or url.startswith("../"):
        url = img_base64(Path(url))
    
    # print(url)
    
    outputs = inference(url, args.question)
    print(json.dumps(outputs, indent=4))

Output:

The image depicts an advertisement billboard against a blue sky backdrop, displaying an orange car being transported on a flatbed truck emblazoned with the word \"CARVANA.\" Below the central message reading \"BUY YOUR NEXT CAR FROM YOUR COUCH. CARVANA,\" the text \"Carvana\" is prominently displayed in both yellow and white fonts, while a small \"e\" logo is also noticeable at the bottom right corner of the billboard.

nnethercott/llava-v1.5-7b-gpt4OCR-hf-GGUF_Q4_K_M

Model Card for Model ID

Model Details

Model Description

How to Get Started with the Model

nnethercott/
llava-v1.5-7b-gpt4OCR-hf-GGUF_Q4_K_M