Image analysis with Moondream and Llama Vision

gistfile1.txt

  // following Dart code is used to analyze an image with Moondream and Llama3.2-vision
  
  Future<String> encodeFile(String imagePath) async {
    File imageFile = File(imagePath);
    List<int> imageBytes = await imageFile.readAsBytes();
    return base64Encode(imageBytes);
  }

  Future<void> analyzeWithLocalMoondream(String path) async {
    final base64Image = await encodeFile(path);
    final data = jsonEncode({
      "image_url": "data:image/jpeg;base64,$base64Image",
      "stream": false,
    });
    try {
      final response = await http.post(
        Uri.parse('http://localhost:2020/v1/caption'),
        body: data,
      );
      print('response ${response.statusCode} ${response.body}');
    } on Exception catch (e) {
      print('exception $e');
    }
  }

  Future<void> analyzeWithLocalLlama(String path) async {
    final base64Image = await encodeFile(path);
    final data = jsonEncode({
      "model": "llama3.2-vision",
      "messages": [
        {
          "role": "user",
          "content": "what is in this image?",
          "images": [base64Image],
        },
      ],
    });
    try {
      final response = await http.post(
        Uri.parse('http://localhost:11434/api/chat'),
        body: data,
      );
      print('response ${response.statusCode} ${response.body}');
    } on Exception catch (e) {
      print('exception $e');
    }
  }