TA-CNN

Closed weights Chinese University of Hong Kong (CUHK) 706K parameters November 2014

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Chinese University of Hong Kong (CUHK)
Organisation type
Academia
Country
Hong Kong
Published
29 November 2014
Authors
Yonglong Tian, Ping Luo, Xiaogang Wang, Xiaoou Tang

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Vision
Task
Object detection
Approach
Supervised

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Parameters
706K

Architecture details in Figure 4 Conv1: 3*7*7*32=4704 Conv2: 32*5*5*48=38400Conv3: 48*3*3*64=27648 Conv4: 64*3*3*96=55296 Fc5: 5*2*96*500=480000 Fc6: 500*200=100000 Total: 4704+38400+27648+55296+480000+100000=706048

Training data
45,000 tokens

Followed train test split detailed in Pedestrian Detection: An Evaluation of the State of the Art

Training compute

The arithmetic performed to train the model, measured in floating-point operations. It is a measure of what the training run cost, not of how fast the finished model answers you.

Training compute
1.1 × 10¹⁶ FLOP

Training time: 3h Assumed FP32 GPU FLOPs in 2014: 3.35e+12Assumed utilization: 0.3 Training FLOP: 3*60*60*0.3*3.35e12=10854000000000000=1.08e16

How it was established
Hardware

The training run

What it physically took to train: which chips, how many, for how long, and what that drew from the wall.

Chips used
1
Wall-clock time
3 hours

Availability

Whether you can obtain the model and run it on your own hardware, which is what decides if any of the graphics-card figures on this page apply.

Weights
Closed — provider access only
Model access
Unreleased

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Why it is tracked
SOTA improvement

"he proposed approach outperforms the state-of-the-art on the challenging Caltech and ETH datasets, where it reduces the miss rates of previous deep models by 17 and 5.5 percent, respectively. "

Record confidence
Likely

Sources

Where this record came from and when it was last checked.

Reference
Pedestrian Detection aided by Deep Learning Semantic Tasks
Last updated
28 November 2025

What the numbers mean

About this model

TA-CNN was published by Chinese University of Hong Kong (CUHK), in Hong Kong, in November 2014. The organisation is categorised as academia.

It works in Vision, and is recorded as doing object detection.

Because the weights are not available, none of the hardware figures elsewhere on this site apply to it.

What went into building it

Training it took roughly 1.1 × 10¹⁶ FLOP of computation — a measure of what producing the model cost, not of how fast it answers.

It was trained on about 45,000 tokens of text.

The reason it appears in this catalogue at all is sOTA improvement.

Answers

TA-CNN — common questions

01

How many parameters does TA-CNN have?

TA-CNN has 706K parameters. Architecture details in Figure 4 Conv1: 3*7*7*32=4704 Conv2: 32*5*5*48=38400Conv3: 48*3*3*64=27648 Conv4: 64*3*3*96=55296 Fc5: 5*2*96*500=480000 Fc6: 500*200=100000 Total: 4704+38400+27648+55296+480000+100000=706048. That figure is the total, and it is what decides how much memory the model needs — roughly half a gigabyte per billion at the compression most people use.

02

Who created TA-CNN?

TA-CNN was published by Chinese University of Hong Kong (CUHK), based in Hong Kong, categorised as academia.

03

When was TA-CNN released?

TA-CNN was published in November 2014. Capability per parameter has improved considerably since, so a newer model of the same size is often the better use of the same hardware.

04

What is TA-CNN used for?

TA-CNN works in Vision, and is recorded as handling object detection. Models frequently carry more than one of each, and the tags describe purpose rather than capability limits.

05

How much compute was used to train TA-CNN?

Around 1.1 × 10¹⁶ FLOP. That measures what producing the model cost and says nothing about how quickly it answers once trained — inference speed comes from memory bandwidth, not from the training budget.

06

What GPU do I need to run TA-CNN?

None. TA-CNN is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

07

Is TA-CNN open source?

No. TA-CNN has not had its weights published, so it exists only as a service controlled by its owner.

Source

Original publication

Record last updated 28 November 2025

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