225 lines
6.4 KiB
Plaintext
225 lines
6.4 KiB
Plaintext
package models
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import (
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"errors"
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"os"
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"path"
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. "git.andr3h3nriqu3s.com/andr3/fyp/logic/db_types"
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. "git.andr3h3nriqu3s.com/andr3/fyp/logic/tasks/utils"
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tf "github.com/galeone/tensorflow/tensorflow/go"
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"github.com/galeone/tensorflow/tensorflow/go/op"
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tg "github.com/galeone/tfgo"
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"github.com/galeone/tfgo/image"
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)
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func ReadPNG(scope *op.Scope, imagePath string, channels int64) *image.Image {
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scope = tg.NewScope(scope)
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contents := op.ReadFile(scope.SubScope("ReadFile"), op.Const(scope.SubScope("filename"), imagePath))
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output := op.DecodePng(scope.SubScope("DecodePng"), contents, op.DecodePngChannels(channels))
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output = op.ExpandDims(scope.SubScope("ExpandDims"), output, op.Const(scope.SubScope("axis"), []int32{0}))
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image := &image.Image{
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Tensor: tg.NewTensor(scope, output)}
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return image.Scale(0, 255)
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}
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func ReadJPG(scope *op.Scope, imagePath string, channels int64) *image.Image {
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scope = tg.NewScope(scope)
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contents := op.ReadFile(scope.SubScope("ReadFile"), op.Const(scope.SubScope("filename"), imagePath))
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output := op.DecodePng(scope.SubScope("DecodeJpeg"), contents, op.DecodePngChannels(channels))
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output = op.ExpandDims(scope.SubScope("ExpandDims"), output, op.Const(scope.SubScope("axis"), []int32{0}))
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image := &image.Image{
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Tensor: tg.NewTensor(scope, output)}
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return image.Scale(0, 255)
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}
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func runModelNormal(base BasePack, model *BaseModel, def_id string, inputImage *tf.Tensor) (order int, confidence float32, err error) {
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order = 0
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err = nil
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tf_model := tg.LoadModel(path.Join("savedData", model.Id, "defs", def_id, "model"), []string{"serve"}, nil)
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results := tf_model.Exec([]tf.Output{
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tf_model.Op("StatefulPartitionedCall", 0),
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}, map[tf.Output]*tf.Tensor{
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tf_model.Op("serving_default_rescaling_input", 0): inputImage,
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})
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var vmax float32 = 0.0
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var predictions = results[0].Value().([][]float32)[0]
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for i, v := range predictions {
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if v > vmax {
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order = i
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vmax = v
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}
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}
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confidence = vmax
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return
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}
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func runModelExp(base BasePack, model *BaseModel, def_id string, inputImage *tf.Tensor) (order int, confidence float32, err error) {
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err = nil
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order = 0
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base_model := tg.LoadModel(path.Join("savedData", model.Id, "defs", def_id, "base", "model"), []string{"serve"}, nil)
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//results := base_model.Exec([]tf.Output{
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base_results := base_model.Exec([]tf.Output{
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base_model.Op("StatefulPartitionedCall", 0),
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}, map[tf.Output]*tf.Tensor{
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//base_model.Op("serving_default_rescaling_input", 0): inputImage,
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base_model.Op("serving_default_input_1", 0): inputImage,
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})
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type head struct {
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Id string
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Range_start int
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}
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heads, err := GetDbMultitple[head](base.GetDb(), "exp_model_head where def_id=$1;", def_id)
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if err != nil {
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return
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}
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base.GetLogger().Info("test", "count", len(heads))
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var vmax float32 = 0.0
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for _, element := range heads {
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head_model := tg.LoadModel(path.Join("savedData", model.Id, "defs", def_id, "head", element.Id, "model"), []string{"serve"}, nil)
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results := head_model.Exec([]tf.Output{
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head_model.Op("StatefulPartitionedCall", 0),
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}, map[tf.Output]*tf.Tensor{
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head_model.Op("serving_default_head_input", 0): base_results[0],
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})
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var predictions = results[0].Value().([][]float32)[0]
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for i, v := range predictions {
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base.GetLogger().Debug("predictions", "class", i, "preds", v)
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if v > vmax {
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order = element.Range_start + i
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vmax = v
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}
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}
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}
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// TODO runthe head model
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confidence = vmax
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base.GetLogger().Debug("Got", "heads", len(heads), "order", order, "vmax", vmax)
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return
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}
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func ClassifyTask(base BasePack, task Task) (err error) {
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defer func() {
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if r := recover(); r != nil {
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base.GetLogger().Error("Task failed due to", "error", r)
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Task failed running")
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}
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}()
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task.UpdateStatusLog(base, TASK_RUNNING, "Runner running task")
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model, err := GetBaseModel(base.GetDb(), *task.ModelId)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to obtain the model")
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return err
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}
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if !model.CanEval() {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to obtain the model")
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return errors.New("Model not in the right state for evaluation")
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}
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def := JustId{}
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err = GetDBOnce(base.GetDb(), &def, "model_definition where model_id=$1", model.Id)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to obtain the model")
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return
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}
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def_id := def.Id
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// TODO create a database table with tasks
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run_path := path.Join("/tmp", model.Id, "runs")
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os.MkdirAll(run_path, os.ModePerm)
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img_path := path.Join("savedData", model.Id, "tasks", task.Id+"."+model.Format)
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root := tg.NewRoot()
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var tf_img *image.Image = nil
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switch model.Format {
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case "png":
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tf_img = ReadPNG(root, img_path, int64(model.ImageMode))
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case "jpeg":
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tf_img = ReadJPG(root, img_path, int64(model.ImageMode))
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default:
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to obtain the model")
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}
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exec_results := tg.Exec(root, []tf.Output{tf_img.Value()}, nil, &tf.SessionOptions{})
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inputImage, err := tf.NewTensor(exec_results[0].Value())
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to run model")
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return
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}
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vi := -1
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var confidence float32 = 0
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if model.ModelType == 2 {
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base.GetLogger().Info("Running model normal", "model", model.Id, "def", def_id)
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vi, confidence, err = runModelExp(base, model, def_id, inputImage)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to run model")
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return
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}
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} else {
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base.GetLogger().Info("Running model normal", "model", model.Id, "def", def_id)
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vi, confidence, err = runModelNormal(base, model, def_id, inputImage)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to run model")
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return
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}
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}
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var GetName struct {
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Name string
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Id string
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}
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err = GetDBOnce(base.GetDb(), &GetName, "model_classes where model_id=$1 and class_order=$2;", model.Id, vi)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to obtain model results")
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return
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}
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returnValue := struct {
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ClassId string `json:"class_id"`
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Class string `json:"class"`
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Confidence float32 `json:"confidence"`
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}{
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Class: GetName.Name,
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ClassId: GetName.Id,
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Confidence: confidence,
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}
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err = task.SetResult(base, returnValue)
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if err != nil {
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task.UpdateStatusLog(base, TASK_FAILED_RUNNING, "Failed to save model results")
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return
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}
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task.UpdateStatusLog(base, TASK_DONE, "Model ran successfully")
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return
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}
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