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Yean Cheng

6 accepted papers

2025

AlignMMBench: Evaluating Chinese Multimodal Alignment in Large Vision-Language Models

ACL 2025long

Evaluating the alignment capabilities of large Vision-Language Models (VLMs) is essential for determining their effectiveness as helpful assistants. However, existing benchmarks primarily focus on basic abilities using nonverbal methods, such as yes-no and multiple-choice questions. In this paper, w…

2025

CogVideoX: Text-to-Video Diffusion Models with An Expert Transformer

ICLR 2025poster

We present CogVideoX, a large-scale text-to-video generation model based on diffusion transformer, which can generate 10-second continuous videos that align seamlessly with text prompts, with a frame rate of 16 fps and resolution of 768 x 1360 pixels. Previous video generation models often struggle…

2025

LVBench: An Extreme Long Video Understanding Benchmark

ICCV 2025poster

Recent progress in multimodal large language models has markedly enhanced the understanding of short videos (typically under one minute), and several evaluation datasets have emerged accordingly. However, these advancements fall short of meeting the demands of real-world applications such as embodie…

2025

MotionBench: Benchmarking and Improving Fine-grained Video Motion Understanding for Vision Language Models

CVPR 2025poster

In the quest for artificial general intelligence, Multi-modal Large Language Models (MLLMs) have emerged as a focal point in recent advancements. However, the predominant focus remains on developing their capabilities in static image understanding. The potential of MLLMs in processing sequential vis…

2024

Colorizing Monochromatic Radiance Fields

AAAI 2024technical

Though Neural Radiance Fields (NeRF) can produce colorful 3D representations of the world by using a set of 2D images, such ability becomes non-existent when only monochromatic images are provided. Since color is necessary in representing the world, reproducing color from monochromatic radiance fiel…

2020

Structure-Preserving Super Resolution With Gradient Guidance

CVPR 2020poster

Structures matter in single image super resolution (SISR). Recent studies benefiting from generative adversarial network (GAN) have promoted the development of SISR by recovering photo-realistic images. However, there are always undesired structural distortions in the recovered images. In this paper…

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