Sketch-Guided Text-to-Image Generation (in progress)

Introduction

Our goal is to generate photo-realistic images from given texts and freehand sketches, where texts provide the contents and sketches control the shapes. Freehand sketch can be highly abstract (examples shown below), and learning representations of sketches is not trivial. In contrast to other cross domain learning approaches, like pix2pix and CycleGAN, where a mapping from representations in one domain to those in another domain is learned, we propose to learn a joint representation of text, sketch and image.

face	bird	shoe

_{* A few freehand sketches were collected from volunteers.}

Contributors:

• Major Contributor: Shangzhe Wu (HKUST), Yongyi Lu (HKUST)
• Supervisor: Yu-wing Tai (Tencent), Chi-Keung Tang (HKUST)
• Mentor in MLJejuCamp2017: Hyungjoo Cho

MLJejuCamp2017

Part of the project was developed in Machine Learning Camp Jeju 2017. More interesting projects can be found in project descriptions and program GitHub.

Get Started

Prerequisites

• Python 3.5
• Tensorflow 0.12.1
• SciPy

Setup

• Clone this repo:

git clone https://github.com/elliottwu/sText2Image.git
cd sText2Image

• Download preprocessed CelebA data (~3GB):

sh ./datasets/download_dataset.sh

Train

sh train.sh

• To monitor training using Tensorboard, copy the following to your terminal and open localhost:8888 in your browser

tensorboard --logdir=logs_face --port=8888

Test

sh test.sh

Pretrained Model

• Download pretrained model:

sh download_pretrained_model.sh

• Test pretrained model on CelebA dataset:

python test.py ./datasets/celeba/test/* --checkpointDir checkpoints_face_pretrained --maskType right --batchSize 64 --lam1 100 --lam2 1 --lam3 0.1 --lr 0.001 --nIter 1000 --outDir results_face_pretrained --text_vector_dim 18 --text_path datasets/celeba/imAttrs.pkl

Experiments

We test our framework with 3 kinds of data, face(CelebA), bird(CUB), and flower(Oxford-102). So far, we have only experimented with face images using attribute vectors as texts information. Here are some preliminary results:

1. Face

We used CelebA dataset, which also provides 40 attributes for each image. Similar to the text information, attributes control the specific details of the generated images. We chose 18 attrbutes for training.

a). Attributes match sketch:

The following images were generated given sketches and the corresponding attriubtes.

Mustache

attributes	sketch / generated / gt	attributes	sketch / generated / gt
Male, 5_o_Clock_Shadow, Mouth_Open, Pointy_Nose		Male, 5_o_Clock_Shadow, Big_Nose, Mustache
Male, Big_Lips, Big_Nose, Chubby, Goatee, High_Cheekbones, Smiling		Male, Mustache
Male, Goatee, Mouth_Open, Smiling		Male, Big_Nose, Goatee, Smiling
Male, 5_o_Clock_Shadow, Big_Lips, Big_Nose, Goatee, High_Cheekbones, Mouth_Open, Rosy_Cheeks, Smiling		Male, 5_o_Clock_Shadow, Big_Nose, Narrow_Eyes

Eyeglasses

attributes	sketch / generated / gt	attributes	sketch / generated / gt
Male, Big_Nose, Eyeglasses, Goatee		Female, Eyeglasses
Female, Eyeglasses, High_Cheekbones, Mouth_Open, Smiling		Male, 5_o_Clock_Shadow, Big_Nose, Eyeglasses, Mouth_Open, Smiling
Male, Big_Nose, Double_Chin, Eyeglasses, Mouth_Open, Pointy_Nose, Smiling		Male, Eyeglasses, High_Cheekbones, Mouth_Open, Smiling
Male, 5_o_Clock_Shadow, Eyeglasses, Mouth_Open, Smiling		Male, Big_Lips, Big_Nose, Eyeglasses, Goatee, Mouth_Open

Lipstick

attributes	sketch / generated / gt	attributes	sketch / generated / gt
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Pointy_Nose, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, Mouth_Open, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Pointy_Nose, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, Pointy_Nose, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Pointy_Nose, Smiling, Wearing_Lipstick		Female, Big_Lips, Big_Nose, Heavy_Makeup, High_Cheekbones, Mouth_Open, Rosy_Cheeks, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, Pointy_Nose, Wearing_Lipstick		Female, Heavy_Makeup, Mouth_Open, Smiling, Wearing_Lipstick

b). Attributes mismatch sketch:

The following images were generated given sketches and the random attriubtes. The controlling effects of the attributes are still under improvement.

attributes	sketch / generated	attributes	sketch / generated	attributes	sketch / generated
Female, Big_Lips, Heavy_Makeup, Wearing_Lipstick		Female, Big_Lips, Heavy_Makeup, Wearing_Lipstick		Male, Big_Nose, No_Eyeglasses
Male, Big_Nose, Chubby, Double_Chin, High_Cheekbones, Smiling		Male, Big_Nose, Chubby, Double_Chin, High_Cheekbones, Mouth_Open, Smiling		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick, No_Eyeglasses		Male		Female, Heavy_Makeup, Pale_Skin, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Pointy_Nose, Smiling, Wearing_Lipstick, No_Eyeglasses		Female, Heavy_Makeup, High_Cheekbones, Pointy_Nose, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Pointy_Nose, Rosy_Cheeks, Smiling, Wearing_Lipstick

c). Freehand sketch:

The following images were generated given freehand sketches and the random attriubtes. The controlling effects of the attributes are still under improvement.

attributes	sketch / generated	attributes	sketch / generated	attributes	sketch / generated
Female, Big_Lips, Heavy_Makeup, Wearing_Lipstick		Male, Big_Nose		Male, Big_Nose, Chubby, Double_Chin, High_Cheekbones, Mouth_Open, Smiling
Male, Big_Nose, Chubby, Double_Chin, High_Cheekbones, Mouth_Open, Smiling		Male, Big_Nose, Chubby, Double_Chin, High_Cheekbones, Mouth_Open, Smiling		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Big_Lips, Heavy_Makeup, High_Cheekbones, Mouth_Open, Narrow_Eyes, Smiling, Wearing_Lipstick		Female, Big_Lips, Heavy_Makeup, High_Cheekbones, Mouth_Open, Narrow_Eyes, Smiling, Wearing_Lipstick
Female, Heavy_Makeup, High_Cheekbones, Pointy_Nose, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick		Female, Heavy_Makeup, High_Cheekbones, Mouth_Open, Smiling, Wearing_Lipstick

Acknowledgement

Codes are based on DCGAN and dcgan-completion.